Patent application title: METHOD FOR TRANSFORMATION OF STRAMENOPILE
Inventors:
IPC8 Class: AC12N1579FI
USPC Class:
1 1
Class name:
Publication date: 2016-10-06
Patent application number: 20160289689
Abstract:
To provide a transformation method for producing a stramenopile organism
having an improved unsaturated fatty acid production capability by
disrupting a gene of the stramenopile organism or inhibiting the
expression of the gene in a genetically engineering manner. [Solution] A
method for transforming a stramenopile organism, which comprises
disrupting a gene of the stramenopile organism or inhibiting the
expression of the gene in a genetically engineering manner, and which is
characterized in that the stramenopile organism is selected from
Thraustochytrium aureum, Parietichytrium sarkarianum, Thraustochytrium
roseum and Parietichytrium sp. and the gene to be disrupted or of which
the expression is to be inhibited is a gene associated with the
biosynthesis of a fatty acid.Claims:
1. A method for transforming Stramenopile, the method comprising
disrupting a stramenopile gene and/or inhibiting expression thereof by
genetic engineering in microorganisms belong to Stramenopile, wherein the
microorganisms are selected from the group consisting of Thraustochytrium
aureum ATCC 34304 and Thraustochytrium roseum ATCC 28210.
2. The method according to claim 1, wherein the stramenopile gene is a gene associated with fatty acid biosynthesis.
3. The method according to claim 2, wherein the gene associated with fatty acid biosynthesis is a gene associated with polyketide synthase, fatty acid chain elongase, and/or fatty acid desaturase.
4. The method according to claim 3, wherein the fatty acid chain elongase is a C20 elongase.
5. The method according to claim 3, wherein the fatty acid desaturase is a .DELTA.12 desaturase.
6. The method according to claim 5, wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
7. The method according to claim 6, wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
8. The method according to claim 7, further comprising introducing a gene associated with fatty acid desaturase.
9. The method according to claim 8, wherein the gene associated with fatty acid desaturase is an .omega.3 desaturase.
10. A method for modifying the fatty acid composition of a stramenopile, the method comprising disrupting a stramenopile gene and/or inhibiting expression thereof by genetic engineering in microorganisms, wherein the microorganisms are selected from the group consisting of Thraustochytrium aureum ATCC 34304 and Thraustochytrium roseum ATCC 28210.
11. The method according to claim 10, wherein the stramenopile gene is a gene associated with fatty acid biosynthesis.
12. The method according to claim 11, wherein the gene associated with fatty acid biosynthesis is a gene associated with polyketide synthase, fatty acid chain elongase, and/or fatty acid desaturase.
13. The method according to claim 12, wherein the fatty acid chain elongase is a C20 elongase.
14. The method according to claim 12, wherein the fatty acid desaturase is a .DELTA.12 desaturase.
15. The method according to claim 14, wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
16. The method according to claim 15, wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
17. The method according to claim 16, further comprising introducing a gene associated with fatty acid desaturase.
18. The method according to claim 17, wherein the gene associated with fatty acid desaturase is an 3 desaturase.
19. A method for highly accumulating a fatty acid in a stramenopile, wherein the method uses the method of claim 18.
20. The method according to claim 19, wherein the fatty acid is an unsaturated fatty acid.
21. The method according to claim 20, wherein the unsaturated fatty acid is an unsaturated fatty acid of 18 to 22 carbon atoms.
22. A fatty acid obtained from the stramenopile in which the fatty acid is highly accumulated by using the method of claim 21.
23. A stramenopile transformed for the modification of the fatty acid composition through disruption of its gene and/or inhibition of expression thereof by genetic engineering in microorganisms, wherein the microorganisms are selected from the group consisting of Thraustochytrium aureum ATCC 34304 and Thraustochytrium roseum ATCC 28210.
24. The stramenopile according to claim 23, wherein the stramenopile gene is a gene associated with fatty acid biosynthesis.
25. The stramenopile according to claim 24, wherein the gene associated with fatty acid biosynthesis is a gene associated with polyketide synthase, fatty acid chain elongase, and/or fatty acid desaturase.
26. The stramenopile according to claim 25, wherein the fatty acid chain elongase is a C20 elongase.
27. The stramenopile according to claim 25, wherein the fatty acid desaturase is a .DELTA.12 desaturase.
28. The stramenopile according to claim 27, wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
29. The stramenopile according to claim 28, wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
30. The stramenopile according to claim 29, further comprising introducing a gene associated with fatty acid desaturase is introduced.
31. The stramenopile according to claim 30, wherein the gene associated with fatty acid desaturase is an .omega.3 desaturase.
32. The method according to claim 1, wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
33. The method according to claim 32, wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
34. The method according to claim 2, wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
35. The method according to claim 34, wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
36. The method according to claim 3, wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
37. The method according to claim 36, wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
38. The method according to claim 4, wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
39. The method according to claim 38, wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
Description:
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application is a Divisional of copending application Ser. No. 13/877,225, filed Aug. 1, 2013, which is a 371 of PCT International Application No. PCT/JP2011/072650 filed on Sep. 30, 2011, which based upon and claims the benefit of priority of the prior Japanese Patent Application No. 2011-179194, filed on Aug. 18, 2011, and Japanese Patent Application No. 2010-224225, filed on Oct. 1, 2010. The entire contents of each of the above documents are hereby incorporated by reference into the present application.
[0002] The sequence listing submitted in a computer readable form under the name of "130412-revised_sequence_listing.txt" is hereby incorporated by reference into the present application. The electronic copy of the sequence listing in the computer readable form, the file size of which is 242 K bytes, was created on Jan. 29, 2016.
TECHNICAL FIELD
[0003] The present invention relates to a method for transforming stramenopile whereby genes of stramenopile are disrupted and/or expression thereof is inhibited by genetic engineering. Particularly, the invention relates to a transformation method for disrupting genes associated with fatty acid biosynthesis and/or inhibiting expression thereof, a method for modifying the fatty acid composition of a stramenopile, a method for highly accumulating fatty acids in a stramenopile, a stramenopile having an enhanced unsaturated fatty acid content, and a method for producing unsaturated fatty acid from the unsaturated fatty acid content-enhanced stramenopile, among others.
BACKGROUND ART
[0004] Polyunsaturated fatty acids (PUFA) represent an important component of animal and human nutrition. .omega.3 polyunsaturated fatty acids (also called n-3 polyunsaturated fatty acids) such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) have a wide range of roles in many aspects of health, including brain development in children, eye functions, syntheses of hormones and other signaling substances, and prevention of cardiovascular disease, cancer, and diabetes mellitus (Non-Patent Documents 1 and 2). These fatty acids therefore represent an important component of human nutrition. Accordingly, there is a need for polyunsaturated fatty acid production.
[0005] Meanwhile, microorganisms of the class Labyrinthulomycetes are known to produce polyunsaturated fatty acids. Concerning microorganisms of the family Thraustochytrium, there are reports of, for example, a polyunsaturated fatty acid-containing phospholipid producing method using Schizochytrium microorganisms (Patent Document 1), and Thraustochytrium microorganisms having a docosahexaenoic acid producing ability (Patent Document 2). For enhancement of food and/or feed by the unsaturated fatty acids, there is a strong demand for a simple economical process for producing these unsaturated fatty acids, particularly in the eukaryotic system.
[0006] With regard to the class Labyrinthulomycetes, there have been reported foreign gene introducing methods for specific strains of the genus Schizochytrium (the genus Auranthiochytrium (Non-Patent Document 4) in the current classification scheme (Non-Patent Document 3)) (Patent Documents 3 and 4). Further, a method that causes a change in fatty acid composition by means of transformation is known in which a polyketide synthase (PKS) gene is destroyed to change the resulting fatty acid composition (Non-Patent Document 5). However, there is no report directed to changing a fatty acid composition by manipulating the enzymes of the elongase/desaturase pathway. Under these circumstances, the present inventors found ways to change fatty acid compositions through introduction of elongase/desaturase genes into various species of Labyrinthulomycetes, and have filed a patent application therefor (Patent Document 5).
CITATION LIST
Patent Documents
[0007] Patent Document 1: JP-A-2007-143479
[0008] Patent Document 2: JP-A-2005-102680
[0009] Patent Document 3: JP-A-2006-304685
[0010] Patent Document 4: JP-A-2006-304686
[0011] Patent Document 5: WO2011/037207
[0012] Patent Document 6: WO1997/011094
[0013] Patent Document 7: US Patent Application US2005/0014231
[0014] Patent Document 8: JP-T-2007-532104 (the term "JP-T" as used herein means a published Japanese translation of a PCT patent application)
Non-Patent Documents
[0014]
[0015] Non-Patent Document 1: Poulos A., Lipids, 30, 1-14 (1995)
[0016] Non-Patent Document 2: Horrocks L. A. and Yeo Y. K., Pharmacol Res., 40, 211-225 (1999)
[0017] Non-Patent Document 3: Yokoyama R., Honda D., Mycoscience, 48, 199-211 (2007)
[0018] Non-Patent Document 4: Lecture Summary for the 60th Conference of The Society for Biotechnology, Japan, p 136 (2008)
[0019] Non-Patent Document 5: Lippmeier J. C. et al., Lipids, 44(7), 621-630 (2009)
[0020] Non-Patent Document 6: Tonon T. et al., FEBS Lett., 553, 440-444 (2003).
[0021] Non-Patent Document 7: Thompson J. D. et al., Nucleic Acids Res., 22, 4673-4680 (1994)
[0022] Non-Patent Document 8: Yazawa K., Lipids, 31, Supple. 297-300 (1996)
[0023] Non-Patent Document 9: Jiang X. et al., Wei Sheng Wu Xue Bao., 48(2), 176-1.83 (2008)
[0024] Non-Patent Document 10: PEREIRA S. L. et al., Biochem. J., 378, 665-671 (2004)
[0025] Non-Patent Document 11: Prasher D. C. et al., Gene, 111(2), 229-233 (1992)
[0026] Non-Patent Document 12: Chalfie M. et al., Science, 263, 802-805 (1994)
[0027] Non-Patent Document 13: Southern P. J., and Berg, P., J. Molec. Appl. Gen., 1, 327-339 (1982)
[0028] Non-Patent Document 14: Saitou N. et al., Mol. Biol. Evol., 4, 406-425 (1987)
[0029] Non-Patent Document 15: Ausubel F. M. et al., Current Protocols in Molecular Biology, Unit 13 (1.994)
[0030] Non-Patent Document 16: Guthrie C., Fink G. et al., Methods in Enzymology: Guide to Yeast Genetics and Molecular Biology, Volume 194 (1991)
[0031] Non-Patent Document 17: Abe E., et al., J. Biochem, 1.42, 31561-31566 (2006)
[0032] Non-Patent Document 18: Bio-Experiment Illustrated 2, Fundamentals of Gene Analysis, p 117-128, Shujunsha, 1995
[0033] Non-Patent Document 19: Japan Society for Bioscience, Biotechnology, and Agrochemistry, 77, 2, 150-153 (2003)
[0034] Non-Patent Document 20: Bio-Experiment Illustrated 2, Fundamentals of Gene Analysis, p 63-68, Shujunsha, 1995
[0035] Non-Patent Document 21: Sanger, F. et al., Proc. Natl. Acad. Sci, 74, 5463 (1977)
[0036] Non-Patent Document 22: Meyer, A., et al. J. Lipid Res., 45, 1899-1909 (2004)
[0037] Non-Patent Document 23: Cigan and Donahue, 1987; Romanos et al., 1992
[0038] Non-Patent Document 24: Qiu, X., et al. J. Biol. Chem., 276, 31561-6 (2001)
[0039] Non-Patent Document 25: DIG Application Manual [Japanese version] 8th, Roche Applied Science
SUMMARY OF THE INVENTION
Problems that the Invention is to Solve
[0040] The present invention is directed to improving the ability of a stramenopile to produce useful substances by way of transformation through disruption of stramenopile genes and/or inhibition of expression thereof by genetic engineering. By modifying the ability to produce useful substances through disruption of stramenopile genes associated with production of useful substances and/or inhibition of expression thereof by genetic engineering, the invention provides a modification method of a fatty acid composition produced by a stramenopile, a method for highly accumulating fatty acids in a stramenopile, an unsaturated fatty acid producing method, a stramenopile having an enhanced unsaturated fatty acid content, and production of unsaturated fatty acid from the unsaturated fatty acid content-enhanced stramenopile. With the modification of a fatty acid composition produced by a stramenopile, and the method for highly accumulating fatty acids in a stramenopile, the present invention enables more efficient production of polyunsaturated fatty acids.
Means for Solving the Problems
[0041] The present inventors conducted intensive studies under the foregoing circumstances of the conventional techniques, and succeeded in transforming a stramenopile by way of disrupting stramenopile genes and/or inhibiting expression thereof by genetic engineering to greatly improve the ability of the stramenopile to produce an unsaturated fatty acid. The present inventors also found a method for modifying the fatty acid composition produced by a stramenopile through disruption of stramenopile genes or inhibition of expression thereof by genetic engineering, and a method for highly accumulating unsaturated fatty acids in the transformed stramenopile. The present invention was completed after further studies and development for practical applications.
[0042] The gist of the present invention includes the following stramenopile transformation methods (1) to (12).
[0043] (1) A method for transforming stramenopile, the method including disrupting a stramenopile gene and/or inhibiting expression thereof by genetic engineering.
[0044] (2) The method according to (1), wherein the stramenopile belongs to the class Labyrinthulomycetes.
[0045] (3) The method according to (2), wherein the Labyrinthulomycetes are microorganisms belonging to the genus Labyrinthula, Althornia, Aplanochytrium, Japonochytrium, Labyrinthuloides, Schizochytrium, Aurantiochytrium, Thraustochytrium, Ulkenia, Oblongichytrium, Botryochytrium, Parietichytrium, or Sicyoidochytrium.
[0046] (4) The method according to (3), wherein the microorganisms are Thraustochytrium aureum, Parietichytrium sarkarianum, Thraustochytrium roseum, Parietichtrium sp., or Schizochytrium sp.
[0047] (5) The method according to (4), wherein the microorganisms are Thraustochytrium aureum ATCC 34304, Parietichytrium sarkarianum SEK 364 (FERM BP-11298), Thraustochytrium roseum ATCC 28210, Parietichytrium sp. SEK358 (FERM BP-11405), Parietichytrium sp. SEK571 (FERM BP-11406), or Schizochytrium sp. TY12Ab (FERM BP-11421).
[0048] (6) The method according to any one of (1) to (5), wherein the stramenopile gene is a gene associated with fatty acid biosynthesis.
[0049] (7) The method according to (6), wherein the gene associated with fatty acid biosynthesis is a gene associated with polyketide synthase, fatty acid chain elongase, and/or fatty acid desaturase.
[0050] (8) The method according to (7), wherein the fatty acid chain elongase is a C20 elongase.
[0051] (9) The method according to (7), wherein the fatty acid desaturase is a .DELTA.12 desaturase.
[0052] (10) The method according to any one of (1) to (9), wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
[0053] (11) The method according to any one of (1) to (10), wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
[0054] (12) The method according to any one of (1) to (11), further including introducing a gene associated with fatty acid desaturase.
[0055] (13) The method according to (12), wherein the gene associated with fatty acid desaturase is an .omega.3 desaturase.
[0056] Further, the gist of the present invention includes the following methods (14) to (26) for modifying the fatty acid composition of a stramenopile.
[0057] (14) A method for modifying the fatty acid composition of a stramenopile, the method including disrupting a stramenopile gene and/or inhibiting expression thereof by genetic engineering.
[0058] (15) The method according to (14), wherein the stramenopile belongs to the class Labyrinthulomycetes.
[0059] (16) The method according to (15), wherein the Labyrinthulomycetes are microorganisms belonging to the genus Labyrinthula, Althornia, Aplanochytrium, Japonochytrium, Labyrinthuloides, Schizochytrium, Aurantiochytrium, Thraustochytrium, Ulkenia, Oblongichytrium, Botryochytrium, Parietichytrium, or Sicyoidochytrium.
[0060] (17) The method according to (1.6), wherein the microorganisms are Thraustochytrium aureum, Parietichytrium sarkarianum, Thraustochytrium roseum, Parietichytrium sp., or Schizochytrium sp.
[0061] (18) The method according to (17), wherein the microorganisms are Thraustochytrium aureum ATCC 34304, Parietichytrium sarkarianum SEK 364 (FERM BP-11298), Thraustochytrium roseum ATCC 28210, Parietichytrium sp. SEK358 (FERM BP-11405), Parietichytrium sp. SEK571 (FERM BP-11406), or Schizochytrium sp. TY12Ab (FERM BP-11421).
[0062] (19) The method according to any one of (14) to (18), wherein the stramenopile gene is a gene associated with fatty acid biosynthesis.
[0063] (20) The method according to (19), wherein the gene associated with fatty acid biosynthesis is a gene associated with polyketide synthase, fatty acid chain elongase, and/or fatty acid desaturase.
[0064] (21) The method according to (20), wherein the fatty acid chain elongase is a C20 elongase.
[0065] (22) The method according to (21), wherein the fatty acid desaturase is a .DELTA.12 desaturase.
[0066] (23) The method according to any one of (14) to (22), wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
[0067] (24) The method according to any one of (14) to (23), wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
[0068] (25) The method according to any one of (14) to (24), further including introducing a gene associated with fatty acid desaturase.
[0069] (26) The method according to (25), wherein the gene associated with fatty acid desaturase is an .omega.3 desaturase.
[0070] Further, the gist of the present invention includes the following methods (27) to (29) for highly accumulating fatty acids in a stramenopile.
[0071] (27) A method for highly accumulating a fatty acid in a stramenopile, wherein the method uses the method of any one of (14) to (26).
[0072] (28) The method according to (27), wherein the fatty acid is an unsaturated fatty acid.
[0073] (29) The method according to (28), wherein the unsaturated fatty acid is an unsaturated fatty acid of 13 to 22 carbon atoms.
[0074] Further, the gist of the present invention includes the following fatty acid (30).
[0075] (30) A fatty acid obtained from the stramenopile in which the fatty acid is highly accumulated by using the method of any one of (27) to (29).
[0076] Further, the gist of the present invention includes the following transformed stramenopiles (31) to (43).
[0077] (31) A stramenopile transformed for the modification of the fatty acid composition through disruption of its gene and/or inhibition of expression thereof by genetic engineering.
[0078] (32) The stramenopile according to (31), wherein the stramenopile belongs to the class Labyrinthulomycetes.
[0079] (33) The stramenopile according to (32), wherein the Labyrinthulomycetes are microorganisms belonging to the genus Labyrinthula, Althornia, Aplanochytrium, Japonochytrium, Labyrinthuloides, Schizochytrium, Aurantiochtrium, Thraustochytrium, Ulkenia, Oblongichytrium, Botryochytrium, Parietichytrium, or Sicyoidochytrium.
[0080] (34) The stramenopile according to (33), wherein the microorganisms are Thraustochytrium aureum, Parietichytrium sarkarianum, Thraustochytrium roseum, Parietichytrium sp., or Schizochytrium sp.
[0081] (35) The stramenopile according to (34), wherein the microorganisms are Thraustochytrium aureum ATCC 34304, Parietichytrium sarkarianum SEK 364 (FERM BP-1129), Thraustochytrium roseum ATCC 28210, Parietichytrium sp. SEK358 (FERM BP-11405), Parietichytrium sp. SEK571 (FERM BP-11406), or Schizochytrium sp. TY12Ab (FERM BP-11421).
[0082] (36) The stramenopile according to any one of (31) to (35), wherein the stramenopile gene is a gene associated with fatty acid biosynthesis.
[0083] (37) The stramenopile according to (36), wherein the gene associated with fatty acid biosynthesis is a gene associated with polyketide synthase, fatty acid chain elongase, and/or fatty acid desaturase.
[0084] (38) The stramenopile according to (36), wherein the fatty acid chain elongase is a C20 elongase.
[0085] (39) The stramenopile according to (37), wherein the fatty acid desaturase is a .DELTA.12 desaturase.
[0086] (40) The stramenopile according to any one of (31) to (39), wherein the method used to disrupt the stramenopile gene by genetic engineering is electroporation or a gene-gun technique introducing a loss-of-function gene or a DNA fragment from which a coding region of the gene is deleted.
[0087] (41) The stramenopile according to any one of (31) to (40), wherein the method used to inhibit expression of the stramenopile gene by genetic engineering is an antisense technique or RNA interference.
[0088] (42) The stramenopile according to any one of (31) to (41), further comprising introducing a gene associated with fatty acid desaturase is introduced.
[0089] (43) The stramenopile according to (42), wherein the gene associated with fatty acid desaturase is an c3 desaturase.
Advantage of the Invention
[0090] The present invention improves the ability of a stramenopile to produce useful substances by way of transformation through disruption of stramenopile genes and/or inhibition of expression thereof by genetic engineering. By modifying the stramenopiles' ability to produce useful substances through disruption of stramenopile genes associated with production of useful substances and/or inhibition of expression thereof by genetic engineering, the invention provides a modification method of a fatty acid composition produced by a stramenopile, a method for highly accumulating fatty acids in a stramenopile, an unsaturated fatty acid producing method, a stramenopile having an enhanced unsaturated fatty acid content, and production of unsaturated fatty acid from the unsaturated fatty acid content-enhanced stramenopile. With the modification of the fatty acid composition produced by a stramenopile, and the method for highly accumulating fatty acids in a stramenopile, the present invention enables more efficient production of polyunsaturated fatty acids.
BRIEF DESCRIPTION OF THE DRAWINGS
[0091] FIG. 1 represents the result of RACE performed to amplify a T. aureum ATCC 34304-derived elongase gene in Example 2-2. [Brief Description of Reference Numerals] 1: 5'-RACE using a synthetic adapter-specific oligonucleotide and a denatured oligonucleotide elo-R; 2: 3'-RACE using a synthetic adapter-specific oligonucleotide and a denatured oligonucleotide elo-F; 3: 5'-RACE using only elo-R (negative control); 4: 3'-RACE using only elo-F (negative control); 5: 5'-RACE using only a synthetic adapter-specific oligonucleotide (negative control); 6: 3'-RACE using only a synthetic adapter-specific oligonucleotide (negative control).
[0092] FIG. 2 represents a molecular phylogenetic tree of T. aureum ATCC 34304-derived .DELTA.6/.DELTA.9 elongase and .DELTA.5/.DELTA.6 elongase (TaELO1 and TaELO2) of Example 2-3.
[0093] FIG. 3 represents the evaluation of transfectants with the introduced KONeor in Example 2-8. (A), an oligonucleotide primer set used for the evaluation of the transfectants by a PCR performed with template genomic DNA. [Brief Description of Reference Numerals](1) Neor detection primers (SNeoF and SNeoR), (2) KO verification 1 (KO Pro F SmaI and KO Term R SmaI), (3) KO verification 2 (E2 KO ProF EcoRV and SNeoR), (4) KO verification 3 (SNeoF and E2 KO Term R EcoRV), (5) TaELO2 detection (E2 HindIII and E2 XbaI); (B), the result of agarose electrophoresis in the evaluation of the transfectants by a PCR performed with template genomic DNA. [Brief Description of Reference Numerals] 1, 5, 9, 13, 17: transfectants; 2, 6, 10, 14, 18: wild-type strains; 3, 7, 11, 15, 19: samples using KONeor as a template; 4, 8, 12, 16: no template. The numbers (1) to (5) above the lane numbers represent the oligonucleotide primer sets used.
[0094] FIG. 4 represents the result of confirming the copy numbers of TaELO2 by southern blotting in Example 2-9. [Brief Description of Reference Numerals]1: genomic DNA (2.5 .mu.g), BamHI treatment; 2: BglII treatment; 3: EcoRI treatment; 4: EcoRV treatment; 5: HindIII treatment; 6: KpnI treatment; 7: SmaI treatment; 8: XbaI treatment; 9: positive control (a PCR product amplified with 1-ng E2 KO ProF EcoRV and E2 KO Term R EcoRV, containing TaELO2).
[0095] FIG. 5 represents the evaluation of TKONeor-introduced transfectants by southern blotting in Example 2-10. (A), a schematic view representing the southern blotting performed for the detection of a wild-type allele or a TKONeor-introduced mutant allele; (B), the result of southern blotting. [Brief Description of Reference Numerals] 1: T. aureum wild-type strain (2.5-.mu.g genomic DNA); 2, 3: TKONeor-introduced transfectants (2.5-.mu.g genomic DNA); 4: positive control (a PCR product amplified with 50-ng E2 KO ProF EcoRV and E2 KO Term R EcoRV, containing TaELO2).
[0096] FIG. 6 represents the PCR evaluation performed in Example 2-12 by using as a template the genomic DNA of the transfectant obtained by KOub600Hygr reintroduction. (A), the oligonucleotide primer set used. [Brief Description of Reference Numerals] (1) TaELO2 ORF detection (SNeoF and SNeoR), (2) KO verification (E2 KO Pro F EcoRV and ubi-hygro R); (B), the result of agarose electrophoresis in a PCR using the oligonucleotide primer set (1) for KO verification (arrows indicate transfectants for which amplification of a specific product was confirmed, and that were assumed to be TaELO2-deficient homozygotes); (C) the result of agarose electrophoresis in a PCR performed for the transfectants identified as TaELO2-deficient homozygotes using the oligonucleotide primer set (2) for TaELO2 ORF detection. [Brief Description of Reference Numerals]1: sample using KOub600Hygr as a template; 2: wild-type strain.
[0097] FIG. 7 represents the southern blotting evaluation of the transfectants obtained by KOub600Hygr reintroduction in Example 2-12. (A), a schematic view representing the southern blotting performed for the detection of a wild-type allele, a KONeor-introduced mutant allele, and a KOub600Hygr-introduced mutant allele; (B), the result of southern blotting. [Brief Description of Reference Numerals] 1, 9: wild-type strains; 2-8 and 10-16: TaELO2-deficient homozygotes.
[0098] FIG. 8 represents the result of the southern blotting performed for the detection of TaELO2 in Example 2-12. [Brief Description of Reference Numerals]1: wild-type strain; 2-5: T TaELO2-deficient homozygotes.
[0099] FIG. 9 represents the result of the RT-PCR agarose gel electrophoresis performed for the detection of TaELO2 mRNA in Example 2-12. [Brief Description of Reference Numerals] 1-4: TaELO2-deficient homozygotes; 5: wild-type strain; 6-9: TaELO2-deficient homozygotes, using total RNA as a template (negative control); 10: wild-type strain, using total RNA as a template (negative control); 11: sample using wild-type strain genomic DNA as a template (positive control).
[0100] FIG. 10 represents the result of the comparison of the fatty acid compositions of the wild-type strain and a TaELO2-deficient homozygote in Example 2-13.
[0101] FIG. 11 represents a plasmid containing the SV40 terminator sequence derived from a subcloned pcDNA 3.1 Myc-His vector.
[0102] FIG. 12 is a schematic view showing the primers used for fusion PCR, and the product. The end product is the fused sequence of a Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter and an artificial neomycin-resistant gene.
[0103] FIG. 13 represents a BglII cassette of the produced artificial neomycin-resistant gene.
[0104] FIG. 14 is a schematic view showing the primers used for fusion PCR, and the product. The end product is the fused sequence of a Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter and a pcDNA 3.1/Hygro-derived hygromycin-resistant gene.
[0105] FIG. 15 represents a BglII cassette of the produced pcDNA 3.1/Hygro-derived hygromycin-resistant gene.
[0106] FIG. 16 represents a plasmid containing a cloned Parietichytrium C20 elongase sequence.
[0107] FIG. 17 represents a plasmid with a BglII site inserted into the Parietichytrium C20 elongase sequence of the plasmid of FIG. 16.
[0108] FIG. 18 represents produced Parietichytrium C20 elongase gene targeting vectors (two vectors). The vectors have a neomycin-resistant gene (pRH85) or a hygromycin-resistant gene (pRH86) as a drug-resistance marker.
[0109] FIG. 19 is a schematic view representing the positions of the PCR primers used for the identification of the C20 elongase gene disrupted strain of Parietichytrium sarkarianum SEK364, and the expected products.
[0110] FIG. 20 represents the C20 elongase gene disruption evaluation performed by a PCR using the Parietichytrium sarkarianum SEK364 genomic DNA as a template. [Description of Reference Numerals] +/+: Parietichytrium sarkarianum SEK364 wild-type strain; +/-: Parietichytrium sarkarianum SEK364-derived C20 elongase gene first allele homologous recombinant; -/-: Parietichytrium sarkarianum SEK364-derived C20 elongase gene disrupted strain.
[0111] FIG. 21 represents the result of the comparison of the fatty acid compositions of the Parietichytrium sarkarianum SEK364 wild-type strain and the C20 elongase gene disrupted strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the gene disrupted strain, respectively. All values are given as mean value.+-.standard deviation.
[0112] FIG. 22 represents the proportions of the fatty acids of the C20 elongase gene disrupted strain relative to the Parietichytrium sarkarianum SEK364 wild-type strain taken as 100%.
[0113] FIG. 23 is a schematic view of the primers used for fusion PCR, and the product. The end product is the fused sequence of Thraustochytrium aureum ATCC 34304-derived 18S rDNA, Thraustochytrium aureum ATCC 34304-derived EF1.alpha. promoter, artificial neomycin-resistant gene, and Thraustochytrium aureum ATCC 34304-derived EF1.alpha. terminator.
[0114] FIG. 24 represents a plasmid obtained by partial cloning of the DNA fragment joined in FIG. 23. The plasmid contains a partial sequence on the 3'-end side of the EcoRI site of the Thraustochytrium aureum ATCC 34304-derived 18S rDNA, the Thraustochytrium aureum ATCC 34304-derived EF1.alpha. promoter, the artificial neomycin-resistant gene, and a partial sequence on the 5'-end side of the NcoI site of the Thraustochytrium aureum ATCC 34304-derived EF1.alpha. terminator.
[0115] FIG. 25 represents a produced Thraustochytrium aureum ATCC 34304 PKS pathway-associated gene orfA targeting vector. The vector has a neomycin-resistant gene as a drug-resistance marker.
[0116] FIG. 26 represents a plasmid containing the upstream sequence of Thraustochytrium aureum ATCC 34304 PKS pathway-associated gene orfA, a Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter, and a hygromycin-resistant gene.
[0117] FIG. 27 represents a produced Thraustochytrium aureum ATCC 34304 PKS pathway-associated gene orfA targeting vector. The vector has a hygromycin-resistant gene as a drug-resistance marker.
[0118] FIG. 28 is a schematic view representing the positions of the southern hybridization analysis probes used for the identification of the PKS pathway-associated gene orfA disrupted strain of Thraustochytrium aureum ATCC 34304, and the expected gene fragment sizes.
[0119] FIG. 29 represents the evaluation of PKS pathway-associated gene orfA disruption performed by southern hybridization using the Thraustochytrium aureum ATCC 34304 genomic DNA. [Description of Reference Numerals] T. au: Thraustochytrium aureum ATCC 34304 wild-type strain; +/-: Thraustochytrium aureum ATCC 34304-derived PKS pathway-associated gene orfA first allele homologous recombinant; -/-: Thraustochytrium aureum ATCC 34304-derived PKS pathway-associated gene orfA disrupted strain.
[0120] FIG. 30 represents the result of the comparison of the fatty acid compositions of the Thraustochytrium aureum ATCC 34304 wild-type strain and the PKS pathway-associated gene orfA disrupted strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the gene disrupted strain, respectively. All values are given as mean value.+-.standard deviation.
[0121] FIG. 31 represents the proportions of the fatty acids of the PKS pathway-associated gene orfA disrupted strain relative to the Thraustochytrium aureum ATCC 34304 wild-type strain taken as 100%.
[0122] FIG. 32 is a schematic view representing the primers used for fusion PCR, and the product. The end product is the fused sequence of Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter and pTracer-CMV/Bsd/lacZ-derived blasticidin-resistant gene.
[0123] FIG. 33 represents a pTracer-CMV/Bsd/lacZ-derived blasticidin-resistant gene BglII cassette.
[0124] FIG. 34 is a schematic view representing the primers used for fusion PCR, and the product. The end product is the fused sequence of Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter and enhanced GFP gene (clontech).
[0125] FIG. 35 is a schematic view representing the primers used for fusion PCR, and the product. The end product is the fused sequence of Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter, enhanced GFP gene (clontech), and pcDNA3.1 Zeo(+)-derived zeocin-resistant gene.
[0126] FIG. 36 represents a produced enhanced GFP-zeocin-resistant fused gene BglII cassette.
[0127] FIG. 37 represents a plasmid containing a cloned Thraustochytrium aureum ATCC 34304 C20 elongase sequence and nearby sequences.
[0128] FIG. 38 represents a plasmid with the inserted BglII site after the complete deletion of the Thraustochytrium aureum ATCC 34304 C20 elongase sequence from the plasmid of FIG. 37.
[0129] FIG. 39 represents produced Thraustochytrium aureum ATCC 34304 C20 elongase gene targeting vectors (two vectors). The vectors have a blasticidin-resistant gene (pRH43) or an enhanced GFP-zeocin-resistant fused gene (pRH54) as a drug-resistance marker.
[0130] FIG. 40 is a schematic view representing the positions of the southern hybridization analysis probes used for the identification of the C20 elongase gene disrupted strain of the Thraustochytrium aureum ATCC 34304 PKS pathway (orfA gene) disrupted strain, and the expected gene fragment sizes.
[0131] FIG. 41 represents the evaluation of C20 elongase gene disruption performed by southern hybridization using the Thraustochytrium aureum ATCC 34304 genomic DNA. [Description of Reference Numerals] T. au: Thraustochytrium aureum ATCC 34304 wild-type strain; -/-: Thraustochytrium aureum ATCC 34304-derived PKS pathway (orfA gene) and C20 elongase gene double disrupted strain.
[0132] FIG. 42 represents the result of the comparison of the fatty acid compositions of the Thraustochytrium aureum ATCC 34304 wild-type strain and the PKS pathway (orfA gene) and C20 elongase gene double disrupted strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the gene disrupted strain, respectively. All values are given as mean value.+-. standard deviation.
[0133] FIG. 43 represents the proportions of the fatty acids of the PKS pathway (orfA gene) and C20 elongase gene double disrupted strain relative to the Thraustochytrium aureum ATCC 34304 wild-type strain taken as 100%.
[0134] FIG. 44 is a schematic view representing the primers used for fusion PCR, and the product. The end product is the fused sequence of Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter, Saprolegnia diclina-derived? .omega.3 desaturase gene sequence, and Thraustochytrium aureum ATCC 34304-derived ubiquitin terminator.
[0135] FIG. 45 represents the plasmid containing a KpnI site replacing one of the BglII sites in the blasticidin-resistant gene BglII cassette of FIG. 33.
[0136] FIG. 46 represents a produced Saprolegnia diclina-derived .omega.3 desaturase gene expression plasmid. The plasmid has a blasticidin-resistant gene as a drug-resistance marker.
[0137] FIG. 47 is a schematic view representing the positions of the PCR primers used for the confirmation of the genome insertion of the Saprolegnia diclina-derived .omega.3 desaturase gene.
[0138] FIG. 48 represents the evaluation of the transfectant strain derived from the Thraustochytrium aureum ATCC 34304 PKS pathway (orfA gene) disrupted strain. [Description of Reference Numerals] lanes 1 to 2: transfectants.
[0139] FIG. 49 represents the results of the comparison of the fatty acid compositions of the control Thraustochytrium aureum ATCC 34304 PKS pathway (orfA gene) disrupted strain and the .omega.3 desaturase gene introduced strain. Blank bar and solid bar indicate the fatty acid compositions of the control strain and the .omega.3 desaturase gene introduced strain, respectively. All values are given as mean value.+-. standard deviation.
[0140] FIG. 50 represents the proportions of the fatty acids of the .omega.3 desaturase gene introduced strain relative to the Thraustochytrium aureum ATCC 34304 PKS pathway (orfA gene) disrupted strain taken as 100%.
[0141] FIG. 51 is a diagram representing a pRH59 cloning the sequence containing the Thraustochytrium aureum ATCC 34304-derived C20 elongase.
[0142] FIG. 52 is a diagram representing a pRH64 cloning the sequence containing a BglII site in the Thraustochytrium aureum ATCC 34304-derived C20 elongase.
[0143] FIG. 53 is a diagram representing a pRH65 containing a ubiquitin promoter-, neomycin-resistant gene-, and SV40 terminator-containing sequence cloned into the Thraustochytrium aureum ATCC 34304-derived C20 elongase, and a pRH66 containing a ubiquitin promoter-, hygromycin-resistant gene-, and SV 40 terminator-containing sequence cloned into the Thraustochytrium aureum ATCC 34304-derived C20 elongase.
[0144] FIG. 54 represents the expected fragment sizes of the wild-type strain allele and knockout strains in a PCR.
[0145] FIG. 55 represents the detection results for the wild-type strain allele and knockout strains in a PCR.
[0146] FIG. 56 represents the fatty acid compositions of the wild-type strain and the C20 elongase knockout strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the strain, respectively.
[0147] FIG. 57 represents the result of the comparison of the fatty acid compositions of the wild-type strain and the knockout strain.
[0148] FIG. 58 represents a plasmid containing a sequence from 1,071 bp upstream of the .DELTA.4 desaturase gene to 1,500 bp within the .DELTA.4 desaturase gene of the cloned Thraustochytrium aureum ATCC 34304 strain.
[0149] FIG. 59 represents a plasmid containing a BglII site inserted into the deleted portion of the plasmid of FIG. 58 containing the 60 bp upstream of the .DELTA.4 desaturase gene and the 556-bp sequence containing the start codon within the .DELTA.4 desaturase gene (616 bp, SEQ ID NO: 205).
[0150] FIG. 60 represents produced Thraustochytrium aureum ATCC 34304 strain .DELTA.4 desaturase gene targeting vectors (two vectors). The vectors have a blasticidin resistant gene (pTM6) or an enhanced GFP-zeocin-resistant fused gene (pTM8) as a drug-resistance marker.
[0151] FIG. 61 is a schematic view representing the positions of the PCR primers used for the identification of the .DELTA.4 desaturase gene disrupted strain of the Thraustochytrium aureum ATCC 34304 PKS pathway (orfA gene) disrupted strain, and the expected product.
[0152] FIG. 62 represents the evaluation of .DELTA.4 desaturase gene disruption performed by a PCB using the genomic DNA of the Thraustochytrium aureum ATCC 34304 strain as a template. [Description of Reference Numerals] +/+: Thraustochytrium aureum ATCC 34304-derived PKS pathway (orfA gene) disrupted strain; +/-: .DELTA.4 desaturase gene first allele homologous recombinant derived from Thraustochytrium aureum ATCC 34304-derived PKS pathway (orfA gene) disrupted strain; -/-: Thraustochytrium aureum ATCC 34304-derived PKS pathway (orfA gene) and .DELTA.4 desaturase gene double disrupted strain.
[0153] FIG. 63 represents the result of the comparison of the fatty acid compositions of the Thraustochytrium aureum ATCC 34304 wild-type strain, and the PKS pathway (ortA gene) and .DELTA.4 desaturase gene double disrupted strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the gene disrupted strain, respectively.
[0154] FIG. 64 represents the proportions of the fatty acids of the PKS pathway (orfA gene) and .DELTA.4 desaturase gene double disrupted strain relative to the Thraustochytrium aureum ATCC 34304 wild-type strain taken as 100%.
[0155] FIG. 65 represents the evaluation of C20 elongase gene disruption performed by a PCR using the genomic DNA of the Parietichytrium sp. SEK358 strain as a template. [Description of Reference Numerals] +/+: Parietichytrium sp. SEK358 wild-type strain; -/-: Parietichytrium sp. SEK358 strain-derived C20 elongase gene disrupted strain.
[0156] FIG. 66 represents the result of the comparison of the fatty acid compositions of the Parietichytrium sp. SEK358 wild-type strain, and the Parietichytrium sp. SEK358 strain-derived C20 elongase gene disrupted strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the gene disrupted strain, respectively.
[0157] FIG. 67 represents the proportions of the fatty acid compositions of the Parietichytrium sp. SEK358 strain-derived C20 elongase gene disrupted strain relative to the Parietichytrium sp. SEK358 wild-type strain taken as 100%. The diagonal line indicates that the fatty acid produced by the Parietichytrium sp. SEK358 wild-type strain is below the detection limit.
[0158] FIG. 68 represents the evaluation of C20 elongase gene disruption performed by a PCR using the genomic DNA of the Parietichytrium sp. SEK571 strain as a template. [Description of Reference Numerals] +/+: Parietichytrium sp. SEK571 wild-type strain; -/-: Parietichytrium sp. SEK571 strain-derived C20 elongase gene disrupted strain.
[0159] FIG. 69 represents the result of the comparison of the fatty acid compositions of the Parietichytrium sp. SEK571wild-type strain, and the Parietichytrium sp. SEK571 strain-derived C20 elongase gene disrupted strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the gene disrupted strain, respectively.
[0160] FIG. 70 represents the proportions of the fatty acids of the Parietichytrium sp. SEK571 strain-derived C20 elongase gene disrupted strain relative to the Parietichytrium sp. SEK571 wild-type strain taken as 100%.
[0161] FIG. 71 represents the multiple alignment of T.DELTA.12d with the putative amino acid sequences of the .DELTA.12 desaturase genes derived from Thalassiosira pseudonana, Micromonas sp, and Phaeodactylum tricornutum. [Description of Reference Numerals] Underlined portion: histidine box.
[0162] FIG. 72 represents a GC analysis chart for the T.DELTA.12d overexpressing strain of the budding yeast Saccharomyces cerevisiae, and the proportions of fatty acid compositions.
[0163] FIG. 73 is a diagram representing a T.DELTA.12d KO targeting vector construction scheme.
[0164] FIG. 74 represents a scheme for the preparation of a homologous recombination fragment for efficiently obtaining a homologous recombinant by a split marker method.
[0165] FIG. 75 represents the result of the amplification of the hygromycin-resistant gene, blasticidin-resistant gene, and T.DELTA.12d gene by a PCR performed by using the genomic DNAs of the wild-type strain, the T.DELTA.12d first allele disrupted strain, and the T.DELTA.12d disrupted strain (two alleles are disrupted). [Description of Reference Numerals] M: .lamda.HindIII digest/.phi.X174 HincII digest; W: wild-type; S1 to S3: 1st allele knock-out strain; D1 to D3: 2nd allele knock-out strain.
[0166] FIG. 76 represents the result of the mRNA detection of the hygromycin-resistant gene, blasticidin-resistant gene, and T.DELTA.12d gene by a RT-PCR for the wild-type strain, the T.DELTA.12d first allele disrupted strain, and the T.DELTA.12d disrupted strain. [Description of Reference Numerals] M: .lamda.HindIII digest/.phi.X174 HincII digest; W: wild-type; S1 to S3: 1st allele knock-out strain; D1 to D3: 2nd allele knock-out strain.
[0167] FIG. 77 represents the result of the southern blotting performed for the wild-type strain, the T.DELTA.12d first allele disrupted strain, and the T.DELTA.12d disrupted strain.
[0168] FIG. 78 represents the result of the growth rate comparison by the measurements of OD600 and dry cell weight for the wild-type strain, the T.DELTA.12d first allele disrupted strain, and the T.DELTA.12d disrupted strain.
[0169] FIG. 79 represents the proportions of the fatty acid compositions of the wild-type strain, the T.DELTA.12d first allele disrupted strain, and the T.DELTA.12d disrupted strain. [Description of Reference Numerals] Asterisk: significant difference at p<0.01 (n=3).
[0170] FIG. 80 represents the fatty acid level per dry cell in the wild-type strain, the T.DELTA.12d first allele disrupted strain, and the T.DELTA.12d disrupted strain. [Description of Reference Numerals] Asterisk: significant difference at p<0.01 (n=3).
[0171] FIG. 81 represents a plasmid containing a BamHI site inserted through modification of the Thraustochytrium aureum C20 elongase gene targeting vector (pRH43) of FIG. 39 with a blasticidin-resistant gene.
[0172] FIG. 82 represents a plasmid containing a KpnI site inserted through modification of the plasmid of FIG. 81.
[0173] FIG. 83 represents a produced Thraustochytrium aureum C20 elongase gene targeting and Saprolegnia diclina-derived .omega.3 desaturase expression vector. The vector has a blasticidin-resistant gene as a drug-resistance marker.
[0174] FIG. 84 is a schematic view representing the positions of the southern hybridization analysis probes used for the identification of the C20 elongase gene disrupted and Saprolegnia diclina-derived .omega.3 desaturase expressing strain of the Thraustochytrium aureum PKS pathway (orfA gene) disrupted strain, and the expected gene fragment sizes.
[0175] FIG. 85 represents the evaluation of the C20 elongase gene disrupted and Saprolegnia diclina-derived .omega.3 desaturase expressing strain by southern hybridization using the Thraustochytrium aureum ATCC 34304 genomic DNA. [Description of Reference Numerals] PKSKO: Thraustochytrium aureum ATCC 34304-derived PKS pathway (orfA gene) disrupted strain; +/-: C20 elongase gene first allele homologous recombinant of the Thraustochytrium aureum ATCC 34304-derived PKS pathway (orfA gene) disrupted strain; -/-: Thraustochytrium aureum-derived PKS pathway (orfA gene) and C20 elongase gene double disrupted and Saprolegnia diclina-derived 03 desaturase expressing strain.
[0176] FIG. 86 represents the result of the comparison of the fatty acid compositions of the Thraustochytrium aureum ATCC 34304 wild-type strain, and the PKS pathway (orfA gene) and C20 elongase gene double disrupted and Saprolegnia diclina-derived .omega.3 desaturase expressing strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the gene disrupted strain, respectively.
[0177] FIG. 87 represents the proportions of the fatty acids of the PKS pathway (orfA gene) and C20 elongase gene double disrupted and Saprolegnia diclina-derived .omega.3 desaturase expressing strain relative to the Thraustochytrium aureum ATCC 34304 wild-type strain taken as 100%.
[0178] FIG. 88 represents a base plasmid used for Saprolegnia diclina-derived .omega.3 desaturase expression vector production.
[0179] FIG. 89 represents a plasmid containing a Saprolegnia diclina-derived 03 desaturase expression KpnI cassette inserted into the plasmid of FIG. 88.
[0180] FIG. 90 represents a Saprolegnia diclina-derived .omega.3 desaturase expression vector produced by inserting a hygromycin-resistant gene as a drug-resistance marker into the plasmid of FIG. 89.
[0181] FIG. 91 is a schematic view representing the positions of the PCR primers used for the confirmation of the genome insertion of the Saprolegnia diclina-derived .omega.3 desaturase gene.
[0182] FIG. 92 represents the evaluation of the Parietichytrium sp. SEK571 C20 elongase gene disrupted strain-derived transfectant strain. [Description of Reference Numerals] Lanes 1 to 2: transfectants
[0183] FIG. 93 represents the result of the comparison of the fatty acid compositions of the Parietichytrium sp. SEK571 wild-type strain, and the C20 elongase gene disrupted and Saprolegnia diclina-derived .omega.3 desaturase expressing strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the transfectant strain, respectively.
[0184] FIG. 94 represents the proportions of the fatty acids of the C20 elongase gene disrupted and Saprolegnia diclina-derived .omega.3 desaturase expressing strain relative to the Parietichytrium sp. SEK571wild-type strain taken as 100%.
[0185] FIG. 95 is a diagram representing a pRH70 cloning a sequence containing a Schizochytrium-derived C20 elongase gene.
[0186] FIG. 96 is a diagram representing a pRH71 cloning a sequence containing a BglII site within the Schizochytrium-derived C20 elongase.
[0187] FIG. 97 is a diagram representing a pRH73 cloning a sequence containing a ubiquitin promoter, a neomycin-resistant gene, and an SV40 terminator within the Schizochytrium-derived C20 elongase, and a pKS-SKO cloning a sequence containing a ubiquitin promoter, a hygromycin-resistant gene, and an SV40 terminator within the Schizochytrium-derived C20 elongase.
[0188] FIG. 98 represents the expected fragment sizes of the wild-type strain allele and the knockout strains in a PCR.
[0189] FIG. 99 represents the PCR detection result for the wild-type strain allele and the knockout strain.
[0190] FIG. 100 represents the fatty acid compositions of the wild-type strain and the C20 elongase knockout strain. Blank bar and solid bar indicate the fatty acid compositions of the wild-type strain and the strain, respectively.
[0191] FIG. 101 represents the result of the comparison of the fatty acid compositions of the wild-type strain and the knockout strain.
MODE FOR CARRYING OUT THE INVENTION
[0192] The recent studies of the physiological activity and the pharmacological effects of lipids have elucidated the conversion of unsaturated fatty acids into various chemical substances, and the roles of unsaturated fatty acids in the unsaturated fatty acid metabolism. Particularly considered important in relation to disease is the nutritionally preferred proportions of saturated fatty acids, monounsaturated fatty acids, and unsaturated fatty acids, and the proportions of fish oil-derived .omega.3 series (also known as the n-3 series) fatty acids such as eicosapentaenoic acid and docosahexaenoic acid, and plant-derived .omega.6 series (also known as the n-6 series) fatty acids as represented by linoleic acid. Because animals are deficient in fatty acid desaturases (desaturases) or have low levels of fatty acid desaturases, some unsaturated fatty acids need to be ingested with food. Such fatty acids are called essential fatty acids (or vitamin F), which include linoleic acid (LA), .gamma.-lnolenic acid (GLA), and arachidonic acid (AA or ARA).
[0193] Unsaturated fatty acid production involves enzymes called fatty acid desaturases (desaturases). The fatty acid desaturases (desaturases) are classified into two types: (1) those creating a double bond (also called an unsaturated bond) at a fixed position from the carbonyl group of a fatty acid (for example, .DELTA.9 desaturase creates a double bond at the 9th position as counted from the carbonyl side), and (2) those creating a double bond at a specific position from the methyl end of a fatty acid (for example, .omega.3 desaturase creates a double bond at the 3rd position as counted from the methyl end). It is known that the biosynthesis of unsaturated fatty acid involves the creation of a double bond by the desaturase (unsaturation), and the repeated elongation of the chain length by several different elongases. For example, .DELTA.9 desaturase synthesizes oleic acid (OA) by unsaturating the stearic acid either synthesized in the body from palmitic acid or ingested directly from the outside of the body. .DELTA.6, .DELTA.5, and .DELTA.4 desaturases are fatty acid desaturases (desaturases) essential for the syntheses of polyunsaturated fatty acids such as arachidonic acid (AA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA).
[0194] The Labyrinthulomycetes, a member of stramenopile, has two families: Thraustochytrium (Thraustochytriaceae) and Labyrinthulaceae. These microorganisms are known to accumulate polyunsaturated fatty acids such as arachidonic acid, EPA, DTA, DPA, and DHA.
[0195] The present invention is concerned with a stramenopile transformation method whereby stramenopile genes are disrupted and/or expression thereof is inhibited by genetic engineering. Specifically, the present invention developed and provides a transformation method for disrupting genes associated with fatty acid biosynthesis and/or inhibiting expression thereof, a method for modifying the fatty acid composition of a stramenopile with the use of the transformation method, a method for highly accumulating fatty acids in a stramenopile, a stramenopile having an enhanced unsaturated fatty acid content, and a method for producing unsaturated fatty acid from the unsaturated fatty acid content-enhanced stramenopile.
[0196] The present invention includes manipulating the enzymes of the stramenopile elongase/desaturase pathway to change the fatty acid composition produced by a stramenopile. Specifically, the present invention enables modification of the fatty acid composition produced by stramenopile through (1) disruption of a fatty acid chain elongase gene and/or inhibition of expression thereof, (2) disruption of a polyketide synthase gene and/or inhibition of expression thereof, (3) disruption of a fatty acid desaturase and/or inhibition of expression thereof, (3) disruption of two of or all of a polyketide synthase gene, a fatty acid chain elongase gene, and a fatty acid desaturase and/or inhibition of expression thereof, (4) disruption of a fatty acid chain elongase gene and/or inhibition of expression thereof, and introduction of a fatty acid desaturase gene, (5) disruption of a polyketide synthase gene and/or inhibition of expression thereof, and introduction of a fatty acid desaturase gene, (6) disruption of a fatty acid desaturase and/or inhibition of expression thereof, and introduction of a fatty acid desaturase gene, (6) disruption of two of or all of a polyketide synthase gene, a fatty acid chain elongase gene, and a fatty acid desaturase and/or inhibition of expression thereof, and introduction of a fatty acid desaturase gene.
[0197] The present invention is described below in more detail.
[Microorganism]
[0198] The microorganisms used in the fatty acid modification method of the present invention are not particularly limited, as long as the microorganisms are stramenopiles considered to undergo modification of the fatty acid composition through disruption of genes associated with fatty acid biosynthesis and/or inhibition of expression thereof. Particularly preferred microorganisms are those belonging to the class Labyrinthulomycetes. Examples of the Labyrinthulomycetes include those of the genus Labyrinthula, Althornia, Aplanochytrium, Japonochytrium, Labyrinthuloides, Schizochytrium, Thraustochytrium, Ulkenia, Aurantiochytrium, Oblongichytrium, Botryochytrium, Parietichytrium, and Sicyoidochytrium.
[0199] Of note, Labyrinthuloides and Aplanochytrium are regarded as being synonymous among some scholars (Leander, Celeste A. & David Porter, Mycotaxon, vol. 76, 439-444 (2000)).
[0200] The Labyrinthulomycetes used in the present invention are preferably microorganisms belonging to the genus Thraustochytrium and the genus Parietichytrium, particularly preferably Thraustochytrium aureum, Parietichytrium sarkarianum, and Thraustochytrium roseum. Specific examples include strains of Thraustochytrium aureum ATCC 34304, Parietichytrium sarkarianum SEK 364 (FERM BP-11298), Thraustochytrium roseum ATCC 28210, Parietichytrium sp. SEK358 (FERM BP-11405), and Parietichytrium sp. SEK571 (FERM BP-11406). Thraustochytrium aureum ATCC 34304 and Thraustochytrium roseum ATCC 282.10 are deposited at the ATCC, and are commonly available. The Parietichytrium sarkarianum SEK364 strain was obtained from the surface water collected at the mouth of fukidougawa on Ishigakijima. The water (10 ml) was placed in a test tube, and left unattended at room temperature after adding pine pollens. After 7 days, the pine pollens were applied to a sterile agar medium (2 g glucose, 1 g peptone, 0.5 g yeast extract, 0.2 g chloramphenicol, 15 g agar, distilled water 100 mL, sea water 900 mL). Colonies appearing after 5 days were isolated and cultured. This was repeated several times to isolate the cells. This strain has been internationally deposited, and is available from The National Institute of Advanced Industrial Science and Technology, International Patent Organism Depositary (Tsukuba Center, Chuou Dairoku, 1-1-1, Higashi, Tsukuba-shi, Ibaraki) (accession number: FERM BP-11298; Sep. 24, 2010). The Parietichytrium sp. SEK358 strain was isolated from the cells cultured as above from the sea water sample collected at the mouth of Miyaragawa on Ishigakijima. This strain has been internationally deposited, and is available from The National Institute of Advanced Industrial Science and Technology, International Patent Organism Depositary (Tsukuba Center, Chuou Dairoku, 1-1-1, Higashi, Tsukuba-shi, Ibaraki) (accession number: FERM BP-11405; Aug. 11, 2011). The Parietichytrium sp. SEK571 strain was isolated from the cells cultured as above from the sea water sample collected at the mouth of Shiiragawa on Iriomotejima. This strain has been internationally deposited, and is available from The National Institute of Advanced Industrial Science and Technology, International Patent Organism Depositary (Tsukuba Center, Chuou Dairoku, 1-1-1, Higashi, Tsukuba-shi, Ibaraki) (accession number: FERM BP-11406; Aug. 11, 2011). The Schizochytrium sp. TY12Ab strain was isolated from the cells cultured as above from the dead leaves collected on the coast of Tanegashima. This strain has been internationally deposited, and is available from The National Institute of Advanced Industrial Science and Technology, International Patent Organism Depositary (Tsukuba Center, Chuou Dairoku, 1-1-1, Higashi, Tsukuba-shi, Ibaraki) (accession number: FERM ABP-11421; Sep. 29, 2011). Then, the RECEIPT IN THE CASE OF AN ORIGINAL DEPOSIT (FERM BP-11421) was issued by International Patent Organism Depositary on Nov. 30, 2011
[Genes Associated with Fatty Acid Biosynthesis]
[0201] In the present invention, the genes associated with fatty acid biosynthesis are not particularly limited, as long as the genes are genes of enzymes associated with the fatty acid biosynthesis in stramenopile, particularly the Labyrinthulomycetes. Examples of such genes include polyketide synthase gene, fatty acid chain elongase gene, and fatty acid desaturase gene. In the present invention, one of or both of these genes are subject to the disruption or inhibition of expression by genetic engineering. Here, the target of the gene disruption and/or inhibition of expression is, for example, the open reading frame, when, for example, the fatty acid produced by the polyketide synthase in a stramenopile is not the desired fatty acid. In the case of the fatty acid chain elongase, the target is the gene associated with an enzyme that converts the desired fatty acid into an other fatty acid. For example, when eicosapentaenoic acid (EPA) is the desired product, the gene of the fatty acid chain elongase associated with the conversion of eicosapentaenoic acid into docosapentaenoic acid (DPA), specifically C20 elongase gene may be disrupted and/or expression thereof may be inhibited. In the case of the fatty acid desaturase, the target is the gene associated with the enzyme that converts the desired fatty acid into an other fatty acid. For example, when oleic acid is the desired product, the gene of the fatty acid desaturase associated with the conversion of oleic acid into linoleic acid, specifically .DELTA.12 desaturase gene may be disrupted and/or expression thereof may be inhibited. Further, two of or all of the polyketide synthase gene, the fatty acid chain elongase gene, and the fatty acid desaturase may be disrupted and/or expression thereof may be inhibited according to the desired fatty acid.
[0202] Further, a gene associated with fatty acid biosynthesis may be introduced into a transfectant strain produced by disrupting a gene and/or inhibiting expression thereof by genetic engineering as above. Here, the introduced gene is a gene associated with the enzyme that performs biosynthesis of the desired fatty acid. For example, when eicosapentaenoic acid is the desired product, a gene of the fatty acid desaturase that converts arachidonic acid (AA) into eicosapentaenoic acid, specifically .omega.3 desaturase gene may be introduced.
[Polyketide Synthase and Fatty Acid Chain Elongase]
[0203] Polyketide synthase (PKS) is an enzyme that catalyzes the multiple condensation reactions of a starter substrate (acetyl-CoA, fatty acid CoA ester, benzoyl CoA, coumaroyl CoA) with an extender substrate (such as malonyl CoA), and the enzyme is generally known to be involved in the biosyntheses of secondary metabolites in organisms such as plants and fungi. Involvement in the biosynthesis of polyunsaturated fatty acid is also reported in some species of organisms. For example, the marine bacteria Shewanella produce eicosapentaenoic acid (EPA) with this enzyme (Non-Patent Document 8). In some species of stramenopile, the polyketide synthase is known to be involved in the biosynthesis of polyunsaturated fatty acid, and the gene sequence has been elucidated in the Labyrinthulomycetes. For example, as described in Patent Document 7, the polyketide synthase gene of the genus Schizochytrium of Labyrinthula has three open reading frames, OrfA, OrfB, and OrfC. Further, as described in Patent Document 8, the polyketide synthase gene of the genus Ulkenia of Labyrinthula is considered to have three open reading frames.
[0204] The fatty acid chain elongase of the present invention is not particularly limited, as long as it extends the chain length of a fatty acid. Preferred examples include C18 elongase gene, and C20 elongase gene. The C18 elongase gene and the C20 elongase gene extend fatty acids of 18 and 20 carbon atoms, respectively, in two-carbon units to produce fatty acids of 20 and 22 carbon atoms. These fatty acid chain elongases are found in a wide range of organisms, including stramenopiles, and in, for example, the genus Thraustochytrium of Labyrinthulomycetes, as reported in Non-Patent Document 9. The C18 elongase catalyzes the conversion of .gamma.-linolenic acid (GLA) to dihomo-.gamma.-linolenic acid (DGLA), and the conversion of stearidonic acid (STA) into eicosatetraenoic acid (ETA). The C20 elongase catalyzes the conversion of arachidonic acid (AA) into docosatetraenoic acid (DTA), and the conversion of eicosapentaenoic acid (EPA) into n-3 docosapentaenoic acid (DPA, 22:5n-3).
[0205] It follows from this that when the desired product is, for example, stearidonic acid (STA), a gene of the fatty acid chain elongase associated with the conversion of stearidonic acid into eicosatetraenoic acid (ETA), specifically C18 elongase gene may be disrupted and/or expression thereof may be inhibited. When the desired product is, for example, eicosapentaenoic acid (EPA), a gene of the fatty acid chain elongase associated with the conversion of the eicosapentaenoic acid into docosapentaenoic acid (DPA), specifically C20 elongase gene may be disrupted and/or expression thereof may be inhibited. Further, when the fatty acid biosynthesized with the polyketide synthase in a stramenopile is not the desired fatty acid, the polyketide synthase gene may be disrupted and/or expression thereof may be inhibited. As reported in Non-Patent Document 5, a strain of the genus Schizochytrium of Labyrinthula loses the ability to biosynthesize docosahexaenoic acid after the disruption of the polyketide synthase gene, and cannot grow in media unless supplemented with polyunsaturated fatty acid. In the present invention, however, some species of Labyrinthula, even with the disrupted polyketide synthase gene, are able to grow in media without adding polyunsaturated fatty acid, and the desired polyunsaturated fatty acid can thus be obtained by disrupting the gene or inhibiting gene expression in the manner described above.
[Fatty Acid Desaturase]
[0206] The fatty acid desaturase (desaturase) of the present invention is not particularly limited, as long as it functions as a fatty acid desaturase. The origin of the fatty acid desaturase gene is not particularly limited, and may be, for example, animals and plants. Examples of the preferred fatty acid desaturase genes include .DELTA.4 desaturase gene, .DELTA.5 desaturase gene, .DELTA.6 desaturase gene, .DELTA.12 desaturase gene, and .omega.3 desaturase gene, and these may be used either alone or in combination. The .DELTA.4 desaturase gene, .DELTA.5 desaturase gene, .DELTA.6 desaturase gene, and .DELTA.12 desaturase gene form an unsaturated bond at carbon 4, 5, 6, and 12, respectively, as counted from the carbon atom of the terminal carboxyl group (delta end) of the fatty acid. A specific example of these fatty acid desaturase genes is the microalgae-derived .DELTA.4 desaturase gene (Non-Patent Document 6). Specific examples of .DELTA.5 desaturase include T. Aureum-Derived .DELTA.5 Desaturase, and .DELTA.5 desaturases derived from Thraustochytrium sp. ATCC 26185, Dictyostelium discoideum, Rattus norvegicus, Mus musculus, Homo sapiens, Caenohabditis elegans, and Leishmania major. Examples of .DELTA.12 desaturase include Pinquiochrysis pyriformis-derived .DELTA.12 desaturase, and fungus- and protozoa-derived .DELTA.12 desaturases. The .omega.3 desaturase forms a double bond at the third position as counted from the methyl terminal of the fatty acid carbon chain. Examples include Saprolegnia-derived .omega.3 desaturase (Non-Patent Document 10). The .DELTA.5 desaturase catalyzes, for example, the conversion of dihomo-.gamma.-linolenic acid (DGLA) to arachidonic acid (AA), and the conversion of eicosatetraenoic acid (ETA) to eicosapentaenoic acid (EPA). .DELTA.6 desaturase catalyzes, for example, the conversion of linoleic acid (LA) to .gamma.-linolenic acid (GLA), and the conversion of .alpha.-linolenic acid (ALA) to stearidonic acid (STA). The .omega.3 desaturase catalyzes the conversion of arachidonic acid to eicosapentaenoic acid. Linoleic acid (LA) is produced from oleic acid (OA) by the action of .DELTA.12 desaturase.
[Product Unsaturated Fatty Acid]
[0207] The unsaturated fatty acid produced by the fatty acid desaturase expressed in a stramenopile is, for example, an unsaturated fatty acid of 18 to 22 carbon atoms. Preferred examples include docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), though the preferred unsaturated fatty acids vary depending on the types of the fatty acid desaturase and the fatty acid substrate used. Other examples include .alpha.-linolenic acid (ALA), octadecatetraenoic acid (OTA, 18:4n-3), eicosatetraenoic acid (ETA, 20:4n-3), n-3 docosapentaenoic acid (DPA, 22:5n-3), tetracosapentaenoic acid (TPA, 24:5n-3), tetracosahexaenoic acid (THA, 24:6n-3), linoleic acid (LA), .gamma.-linolenic acid (GLA), eicosatrienoic acid (20:3n-6), arachidonic acid (AA), and n-6 docosapentaenoic acid (DPA, 22:5n-6).
[Gene Source of Enzyme Associated with Fatty Acid Biosynthesis]
[0208] The organisms that can be used as the gene sources of the polyketide synthase, fatty acid chain elongase, and/or fatty acid desaturase in the present invention are not limited to particular genuses, species, or strains, and may be any organisms having an ability to produce polyunsaturated fatty acids. For example, in the case of microorganisms, such organisms are readily available from microorganism depositary authorities. Examples of such microorganisms include the bacteria Moritella marina MP-1 strain (ATCC15381) of the genus Moritella. The following describes a method using this strain as an example of desaturase and elongase gene sources. The method, however, is also applicable to the isolation of the constituent desaturase and elongase genes from all biological species having the desaturase/elongase pathway.
[0209] Isolation of the desaturase and/or elongase gene from the MP-1 strain requires estimation of a conserved region in the amino acid sequence of the target enzyme gene. For example, in desaturase, it is known that a single cytochrome b5 domain and three histidine boxes are conserved across biological species, and that elongase has two conserved histidine boxes across biological species. More specifically, the conserved region of the target enzyme can be estimated by the multiple alignment comparison of the known amino acid sequences of the desaturase or elongase genes derived from various biological species using the clustal w program (Non-Patent Document 7). It is also possible to estimate conserved regions specific to desaturase and/or elongase having the same substrate specificity by the multiple alignment comparison of the amino acid sequences of desaturase or elongase genes having the same substrate specificity in the desaturase and/or elongase derived from known other organisms. Various degenerate oligonucleotide primers are then produced based on the estimated conserved regions, and the partial sequence of the target gene derived from the MP-1 strain is amplified using an MP-1 strain-derived cDNA library as a template, by using methods such as PCR and RACE. The resulting amplification product is cloned into a plasmid vector, and the base sequence is determined using an ordinary method. The sequence is then compared with a known enzyme gene to confirm isolation of a part of the target enzyme gene from the MP-1 strain. The full-length target enzyme gene can be obtained by hybridization screening using the obtained partial sequence as a probe, or by the RACE technique using the oligonucleotide primers produced from the partial sequence of the target gene.
[0210] The polyketide synthase can be cloned by using an ordinary method, using the PUFA PKS sequence of Patent Document 7 as a reference.
[Other Gene Sources]
[0211] Reference should be made to Non-Patent Document 11 or 12 for GFP (Green Fluorescent Protein), Patent Document 6 for EGFP (enhanced GFP), and Non-Patent Document 13 for neomycin-resistant gene.
[Disruption of Gene Associated with Fatty Acid Biosynthesis in Stramenopile]
[0212] The stramenopile gene associated with fatty acid biosynthesis may be disrupted by using conventional gene disruption methods used for microorganisms. An example of such a method is the transformation introducing a recombinant expression vector into a cell.
[0213] For example, for the disruption of a Thraustochytrium aureum gene, genomic DNA is extracted from a Thraustochytrium aureum by using an ordinary method, and a genome library is created. Then, genome walking primers are set using the DNA sequence of the target gene to be disrupted, and a PCR is run using the produced genome library as a template to obtain the upstream and downstream sequences of the target gene of Thraustochytrium aureum. These sequences are flanked on both sides to provide homologous recombination regions for gene disruption, and a drug marker gene is inserted therebetween for selection. The DNA is then linearized, and introduced into a Thraustochytrium aureum using a gene-gun technique, and the cells are cultured for about 1 week on a drug-containing plate. By using an ordinary method, genomic DNA is extracted from cells that have acquired drug resistance, and strains that underwent homologous recombination are identified by PCR or southern hybridization. Because the Thraustochytrium aureum is a diploid, the procedures from the introduction of the linearized DNA into the cells using a gene-gun technique to the identification of homologous recombinant strains are repeated twice. In this way, a Thraustochytrium aureum with the disrupted target gene can be obtained. When two or more target genes are present, a strain with the disrupted multiple target genes can be obtained by repeating the foregoing procedures. Here, because the Thraustochytrium aureum is a diploid, two selection markers need to be prepared for each gene.
[0214] For the disruption of, for example, the C20 elongase of Parietichytrium sarkarianum, genomic DNA is extracted from a Parietichytrium species by using an ordinary method, and the genome is decoded. Then, a search is made for a gene sequence highly homologous to a known C20 elongase gene, and the gene sequence is amplified by PCB from the start codon to the stop codon. This is followed by insertion of a restriction enzyme site at substantially the center of the gene sequence by using a mutagenesis method, and insertion of a drug marker gene cassette to the restriction enzyme site for selection. The DNA is linearized, and introduced into a Parietichytrium sarkarianum SEK364 using a gene-gun technique. The cells are then cultured for about 1 week on a drug-containing plate. By using an ordinary method, genomic DNA is extracted from cells that have acquired drug resistance, and strains that underwent homologous recombination are identified by PCR. Because the Parietichytrium sarkarianum SEK364 is a diploid, the procedures from the introduction of the linearized DNA into the cells using a gene-gun technique to the identification of the homologous recombinant strains are repeated twice. In this way, a Parietichytrium sarkarianum SEK364 with the disrupted C20 elongase gene can be obtained. Here, because the Parietichytrium sarkarianum SEK364 is a diploid, two selection markers need to be prepared. For the disruption of, for example, the .DELTA.4 desaturase of a Thraustochytrium aureum ATCC 34304-derived OrfA disrupted strain, genomic DNA is extracted from a Thraustochytrium aureum ATCC 34304 by using an ordinary method, and the genome is decoded. Then, a search is made for a gene sequence highly homologous to a known .DELTA.4 desaturase, and the gene sequence is amplified by PCR from the upstream region to a region in the vicinity of the stop codon. By using a mutagenesis method, a restriction enzyme site is inserted at the same time as deleting a part of the ORF containing the start codon, and a drug marker gene cassette is inserted to the restriction enzyme site for selection. The DNA is linearized, and introduced into a Thraustochytrium aureum ATCC 34304-derived OrfA disrupted strain by using a gene-gun technique. The cells are then cultured for about 1 week on a drug-containing plate. By using an ordinary method, genomic DNA is extracted from cells that have acquired drug resistance, and strains that underwent homologous recombination are identified by PCR. Because the Thraustochytrium aureum ATCC 34304 is a diploid, the procedures from the introduction of the linearized DNA using a gene-gun technique to the identification of homologous recombinant strains are repeated twice. In this way, a Thraustochytrium aureum ATCC 34304-derived OrfA disrupted strain with the disrupted .DELTA.4 desaturase gene can be obtained. Here, because the Thraustochytrium aureum ATCC 34304 is a diploid, two selection markers need to be prepared.
[0215] The C20 elongase gene sequence of Thraustochytrium aureum was used for disrupting the C20 elongase of Thraustochytrium roseum. Genomic DNA is extracted from a Thraustochytrium aureum by using an ordinary method, and the C20 elongase gene is amplified from the start codon to the stop codon by PCR. A restriction enzyme site is inserted to substantially the center of the gene sequence by using a mutagenesis method, and a drug marker gene cassette is inserted to the restriction enzyme site for selection. The DNA is linearized, and introduced into a Thraustochytrium roseum by using a gene-gun technique. The cells are then cultured for about 1 week on a drug-containing plate. By using an ordinary method, genomic DNA is extracted from cells that have acquired drug resistance, and strains that underwent homologous recombination are identified by PCR. Because the Thraustochytrium roseum is a diploid, the procedures from the introduction of the linearized DNA using a gene-gun technique to the identification of the homologous recombinant strain are repeated twice. In this way, a Thraustochytrium roseum with the disrupted C20 elongase gene can be obtained. Here, because the Thraustochytrium roseum is a diploid, two selection markers need to be prepared.
[0216] Details of the disruption of stramenopile genes associated with fatty acid biosynthesis according to the present invention will be specifically described later in Examples. The stramenopile subject to transformation is not particularly limited, and those belonging to the class Labyrinthulomycetes can preferably be used, as described above.
[0217] For example, for the disruption of the C20 elongase of the Parietichytrium sp. SEK358 strain, the Parietichytrium C20 elongase gene targeting vector produced in Example 3-6 was used. The DNA is linearized, and introduced into a Parietichytrium sp. SEK358 strain by using a gene-gun technique. The cells are then cultured for about 1 week on a drug-containing plate. By using an ordinary method, genomic DNA is extracted from cells that have acquired drug resistance, and strains that underwent homologous recombination were identified by PCR (see Example 9). For the disruption of, for example, the C20 elongase of the Parietichytrium sp. SEK571 strain, the Parietichytrium C20 elongase gene targeting vector produced in Example 3-6 was used. The DNA is linearized, and introduced into a Parietichytrium sp. SEK571 strain by using a gene-gun technique. The cells are then cultured for about 1 week on a drug-containing plate. By using an ordinary method, genomic DNA was extracted from cells that had acquired drug resistance, and the homologous recombinant strain was identified by PCR (see Example 10).
[0218] The expression vector is not particularly limited, and a recombinant expression vector with an inserted gene may be used. The vehicle used to produce the recombinant expression vector is not particularly limited, and, for example, a plasmid, a phage, and a cosmid may be used. A known method may be used for the production of the recombinant expression vector. The vector is not limited to specific types, and may be appropriately selected from vectors expressible in a host cell. Specifically, the expression vector may be one that is produced by incorporating the gene of the present invention into a plasmid or other vehicles with a promoter sequence appropriately selected according to the type of the host cell for reliable expression of the gene. The vector may be a cyclic or a linear vector. The expression vector preferably includes at least one selection marker. Examples of such selection markers include auxotrophic markers, drug-resistance markers, fluorescent protein markers, and fused markers of these. Examples of the auxotrophic markers include dihydrofolate reductase genes. Examples of the drug-resistance markers include neomycin-resistant genes, hygromycin-resistant genes, blasticidin-resistant genes, and zeocin-resistant genes. Examples of the fluorescent protein markers include GFPs, and enhanced GFPs (EGFPs). Examples of the fused markers include fused markers of fluorescent protein markers and drug-resistance markers, specifically, for example, GFP-fused zeocin-resistant genes. These selection markers allow for confirmation of whether the polynucleotide according to the present invention has been introduced into a host cell, or whether the polynucleotide is reliably expressed in the host cell. Alternatively, the fatty acid desaturase according to the present invention may be expressed as a fused polypeptide. For example, the fatty acid desaturase according to the present invention may be expressed as a GFP-fused polypeptide, using GFP as a marker.
[0219] Preferably, electroporation or a gene gun is used as the method of gene introduction for the gene disruption. In the present invention, the disruption of the gene associated with fatty acid biosynthesis changes the fatty acid composition of the cell from that before the gene disruption. Specifically, the fatty acid composition is modified by the disruption of the gene associated with fatty acid biosynthesis. A stramenopile with the disrupted fatty acid biosynthesis-related enzyme gene can produce the desired fatty acid in greater amounts when further introduced with a fatty acid desaturase gene. Preferably, an .omega.3 desaturase gene is introduced as the fatty acid desaturase gene.
[0220] The stramenopile transformation produces a stramenopile (microorganism) in which the composition of the fatty acid it produces is modified. The stramenopile with the disrupted gene associated with fatty acid biosynthesis can be used for, for example, the production of unsaturated fatty acids. Unsaturated fatty acid production is possible with the stramenopile that has been modified to change its produced fatty acid composition as above, and other conditions, including steps, equipment, and instruments are not particularly limited. The unsaturated fatty acid production includes the step of culturing a microorganism that has been modified to change its produced fatty acid composition by the foregoing modification method, and the microorganism is used with its medium to produce unsaturated fatty acids.
[0221] The cell culture conditions (including medium, culture temperature, and aeration conditions) may be appropriately set according to such factors as the type of the cell, and the type and amount of the unsaturated fatty acid to be produced. As used herein, the term "unsaturated fatty acids" encompasses substances containing unsaturated fatty acids, and attributes such as the content, purity, shape, and composition are not particularly limited. Specifically, in the present invention, the cell or its medium itself having a modified fatty acid composition may be regarded as unsaturated fatty acids. Further, a step of purifying the unsaturated fatty acids from such cells or media also may be included. A known method of purifying unsaturated fatty acids and other lipids (including conjugate lipids) may be used for the purification of the unsaturated fatty acids.
[Method of Highly Accumulating Unsaturated Fatty Acid in Stramenopile]
[0222] Accumulation of unsaturated fatty acids in stramenopile is realized by culturing the transformed stramenopile of the present invention. For example, the culture is performed using a common solid or liquid medium. The type of medium used is not particularly limited, as long as it is one commonly used for culturing Labyrinthulomycetes, and that contains, for example, a carbon source (such as glucose, fructose, saccharose, starch, and glycerine), a nitrogen source (such as a yeast extract, a corn steep liquor, polypeptone, sodium glutamate, urea, ammonium acetate, ammonium sulfate, ammonium nitrate, ammonium chloride, and sodium nitrate), and an inorganic salt (such as potassium phosphate) appropriately combined with other necessary components. Particularly preferably, a yeast extract/glucose medium (GY medium) is used. The prepared medium is adjusted to a pH of 3.0 to 8.0, and used after being sterilized with an autoclave or the like. The culture may be performed by aerated stirred culture, shake culture, or static culture at 10 to 40.degree. C., preferably 15 to 35.degree. C., for 1 to 14 days.
[0223] For the collection of the produced unsaturated fatty acids, the stramenopile is grown in a medium, and the intracellular lipids (oil and fat contents with the polyunsaturated fatty acids, or the polyunsaturated fatty acids) are released by processing the microorganism cells obtained from the medium. The lipids are then collected from the medium containing the released intracellular lipids. Specifically, the cultured stramenopile is collected by using a method such as centrifugation. The cells are then disrupted, and the intracellular fatty acids are extracted using a suitable organic solvent according to an ordinary method. Oil and fat with the enhanced polyunsaturated fatty acid content can be obtained in this manner.
[0224] In the present invention, the composition of the fatty acids produced by a stramenopile is modified by culturing a stramenopile transformed through disruption of genes associated with fatty acid biosynthesis, and/or inhibition of expression thereof, specifically disruption of the polyketide synthase, the fatty acid chain elongase, and/or the fatty acid desaturase gene, and/or inhibition of expression of these genes. Because the genes associated with fatty acid biosynthesis are disrupted and/or expression thereof is inhibited, the desired fatty acid can be accumulated in the stramenopile without being converted into other fatty acids. Further, by introducing the gene associated with fatty acid desaturase into a stramenopile transformed through gene disruption and/or inhibition of gene expression, the ability to convert the precursor fatty acid of the desired fatty acid into the desired fatty acid can be enhanced, and the desired fatty acid is accumulated.
[0225] The unsaturated fatty acids of the present invention encompass various drugs, foods, and industrial products, and the applicable areas of the unsaturated fatty acids are not particularly limited. Examples of the food containing oil and fat that contain the unsaturated fatty acids of the present invention include foods with health claims such as supplements, and food additives. Examples of the industrial products include feeds for non-human organisms, films, biodegradable plastics, functional fibers, lubricants, and detergents.
[0226] The present invention is described below in more detail based on examples. Note, however, that the present invention is in no way limited by the following examples.
Example 1
Labyrinthulomycetes, Culture Method, and Preservation Method
(1) Strains Used in the Present Invention
[0227] Thraustochytrium aureum ATCC 34304 and Thraustochytrium roseum ATCC 28210 were obtained from ATCC. Parietichytrium sarkarianum SEK364 (FERM BP-11298), Parietichytrium sp. SEK358 (FERM BP-11405), and Parietichytrium sp. SEK571 (FERM BP-11406) were obtained from Konan University, Faculty of Science and Engineering. Schizochytrium sp. TY12Ab (FERM BP-11421) was obtained from University of Miyazaki, Faculty of Agriculture.
(2) Medium Composition
[0228] i. Agar Plate Medium Composition
PDA Agar Plate Medium
[0229] A 0.78% (w/v) potato dextrose agar medium (Nissui Pharmaceutical Co., Ltd.), 1.75% (w/v) Sea Life (Marine Tech), and 1.21% (w/v) agar powder (nacalai tesque) were mixed, and sterilized with an autoclave at 121.degree. C. for 20 min. After sufficient cooling, ampicillin sodium (nacalai tesque) was added in a final concentration of 100 .mu.g/ml to prevent bacterial contamination. The medium was dispensed onto a petri dish, and allowed to stand on a flat surface to solidify.
ii. Liquid Medium Composition
GY Liquid Medium
[0230] 3.18% (w/v) glucose (nacalai tesque), 1.06% (w/v) dry yeast extract (nacalai tesque), and 1.75 (w/v) Sea Life (Marine Tech) were mixed, and sterilized with an autoclave at 121.degree. C. for 20 min. Then, 100 .mu.g/ml ampicillin sodium (nacalai tesque) was added.
PD Liquid Medium
[0231] 0.48% (w/v) potato dextrose (Difco), and 1.75% (w/v) Sea Life (Marine Tech) were mixed, and sterilized with an autoclave at 121.degree. C. for 20 min. Then, 100 .mu.g/ml ampicillin sodium (nacalai tesque) was added.
(3) Culture Method
[0232] i. Agar Plate Culture
[0233] Labyrinthula cells were inoculated using a platinum loop or a spreader, and static culture was performed at 25.degree. C. to produce colonies. Subcultures were produced by collecting the colonies with a platinum loop, suspending the collected colonies in a sterilized physiological saline, and applying the suspension using a platinum loop or a spreader. As required, the cells on the plate were inoculated in a liquid medium for conversion into a liquid culture.
ii. Liquid Culture
[0234] Labyrinthula cells were inoculated, and suspension culture was performed by stirring at 25.degree. C., 150 rpm in an Erlenmeyer flask or in a test tube. Subcultures were produced by adding a culture fluid to a new GY or PD liquid medium in a 1/200 to 1/10 volume after confirming proliferation from the logarithmic growth phase to the stationary phase. As required, the cell culture fluid was applied onto a PDA agar plate medium for conversion into an agar plate culture.
(4) Maintenance and Preservation Method of Labyrinthulomycetes
[0235] In addition to the subculture, cryopreservation was performed by producing a glycerol stock. Specifically, glycerol (nacalai tesque) was added in a final concentration of 15% (v/v) to the logarithmic growth phase to stationary phase of a cell suspension in a GY liquid medium, and the cells were conserved in a -80.degree. C. deep freezer.
Example 2
Disruption of Thraustochytrium aureum C20 Elongase Gene
Example 2-1
Extraction of T. Aureum ATCC 34304-Derived Total RNA, and mRNA Purification
[0236] A T. aureum ATCC 34304 culture fluid grown for 3 days using a GY liquid medium was centrifuged at 3,500.times.g for 15 min, and the cells were collected. After being suspended in sterilized physiological saline, the cells were washed by being recentrifuged. The cells were then rapidly frozen with liquid nitrogen, and ground into a powdery form with a mortar. Total RNA was extracted from the resulting cell disruption liquid, using Sepasol-RNA I Super (nacalai tesque). This was followed by purification of mRNA from the total RNA using the Oligotex.TM.-dT30<Super> mRNA Purification Kit (Takara Bio) according to the manufacturer's protocol. The resulting total RNA and the mRNA were dissolved in a suitable amount of TE, and electrophoresed with a formalin-denatured gel (1% agarose/MOPS buffer). The result confirmed successful extraction of the total RNA, and purification of mRNA from the total RNA. It was also confirmed that the RNA was not degraded by the RNase. In order to minimize RNA degradation, all experimental procedures were performed with sanitary equipment such as rubber gloves and a mask. All instruments were RNase free, or were used after a diethylpyrocarbonate (nacalai tesque) treatment to deactivate the RNase. The solution used to dissolve the RNA was prepared by adding the recombinant RNase inhibitor RNaseOUT.TM. (invitrogen) to sterilized Milli Q water treated with diethylpyrocarbonate.
Example 2-2
Isolation of T. aureum ATCC 34304-Derived Elongase Gene by RACE
[0237] Forward (elo-F; 5'-TTY YTN CAY GTN TAY CAY CAY-3') (SEQ ID NO: 1), and reverse (elo-R; 5'-GCR TGR TGR TAN ACR TGN ARR AA-3') (SEQ ID NO: 2) denatured oligonucleotides were synthesized, targeting the histidine box (His box) highly conserved in elongase genes. The oligonucleotides were synthesized with a DNA synthesizer (Applied Biosystems). Then, by addition of synthetic adapters to the 3'- and 5'-ends, 3'- and 5'-RACE cDNA libraries were produced by using the SMART.TM. RACE cDNA Amplification Kit (clontech) according to the manufacturer's protocol, respectively. By using these as templates, 3'- and 5'-RACE were performed using the synthetic adapter-specific oligonucleotides, and the denatured oligonucleotides elo-F and elo-R [PCR cycles: 94.degree. C. 1 min/94.degree. C. 30 sec, 60.degree. C. 30 sec, 72.degree. C. 3 min, 30 cycles/72.degree. C. 10 min/4.degree. C..infin.]. The result confirmed bands for the specifically amplified 3'- and 5'-RACE products (FIG. 1). The total RACE product amounts were subjected to electrophoresis with 1% agarose gel, and the isolated DNA fragments were cut out with a clean cutter or the like and extracted from the agarose gel according to the method described in Non-Patent Document 20. The DNA fragments were then TA cloned with a pGEM-T easy Vector (Promega), and the base sequences were determined by the method of Sanger et al. (Non-Patent Document 21). Specifically, the base sequences were determined by using a dye terminator method, using a BigDyeR Terminator v3.1 Cyele Sequencing Kit and a 3130 genetic analyzer (Applied Biosystems) according to the manufacturers' protocols.
[0238] As a result, two sequences, 190 bp and 210 bp, named elo1 (SEQ ID NO: 3) and elo2 (SEQ ID NO: 4) were successfully identified for the 3'-RACE product, and one sequence, 200 bp, named elo3 (SEQ ID NO: 5) was successfully identified for the 5'-RACE product. Because the elo1, elo2, and elo3 sequences had significant homology to the sequences of various elongase genes, the results suggested that these sequences were partial sequences of the T. aureum ATCC 34304-derived elongase gene. In an attempt to obtain cDNA sequences by RACE, oligonucleotide primers were redesigned for the elo1, elo2, and elo3. The oligonucleotide primers produced are as follows.
[0239] elo1 forward oligonucleotide primer (elo1-F1; 5'-TAT GAT CGC CAA GTA CGC CCC-3') (SEQ ID NO: 6) and reverse oligonucleotide primer (elo1-R1; 5'-GAA CTG CGT CAT CTG CAG CGA-3') (SEQ ID NO: 7)
[0240] elo2 forward oligonucleotide primer (elo2-F1; 5'-TCT CGC CCT CGA CCA CCA AC-3') (SEQ ID NO: 8) and reverse oligonucleotide primer (elo2-R1; 5'-CGG TGA CCG AGT TGA GGT AGC C-3') (SEQ ID NO: 9)
[0241] elo3 forward oligonucleotide primer (elo3-F1; 5'-CAA CCC TTT CGG CCT CAA CAA G-3') (SEQ ID NO: 10) and reverse oligonucleotide primer (elo3-R1; 5'-TTC TTG AGG ATC ATC ATG AAC GTG TC-3') (SEQ ID NO: 11)
[0242] By using these forward and reverse oligonucleotide primers, RACE and base sequence analysis of the amplification products were performed as above. As a result, specifically amplified 3'- and 5'-RACE products were obtained for elo1, and there was a complete match in the overlapping portion, identifying the sequence as a 1,139-bp elo1 cDNA sequence (SEQ ID NO: 12). Similarly, specifically amplified 3'- and 5'-RACE products were obtained for elo3, and there was a complete match in the overlapping portion, identifying the sequence as a 1,261-bp elo3 cDNA sequence (SEQ ID NO: 13).
[0243] It was found from the sequence analysis result that elo1 consisted of an 825-bp translated region (SEQ ID NO: 15) coding for 275 amino acid residues (SEQ ID NO: 14). It was also found from the result of a BLAST search that the sequence had significant homology to various elongase genes, and completely coincided with the sequence of a known T. aureum-derived putative .DELTA.5 elongase gene (NCBI accession No. CS486301). On the other hand, it was assumed that the elo3 consisted of a 951-bp translated region (SEQ ID NO: 17) coding for 317 amino acid residues (SEQ ID NO: 16). It was also found from the result of a BLAST search that the sequence had significant homology to various elongase genes, and thus represented a T. aureum ATCC 34304-derived putative elongase gene. Note that the putative amino acid sequences of these genes contained His boxes highly conserved in elongase genes. From these results, elo1 and elo3 genes were identified as T. aureum ATCC 34304-derived putative elongase genes, and were named TaELO1 and TaELO2, respectively,
Example 2-3
TaELO1 and TaELO2 Phylogenetic Analysis
[0244] Elongases are broadly classified into three groups on the basis of substrate specificity.
[0245] 1. SFA/MUFA elongases (act on saturated fatty acids or monovalent unsaturated fatty acids)
[0246] 2. PUFA-elongases (single-step) (act on polyvalent unsaturated fatty acids of certain chain lengths)
[0247] 3. PUFA elongases (multi-step) (act on polyvalent unsaturated fatty acids of various chain lengths)
[0248] According to the elongase phylogenetic analysis conducted by Meyer et al. (Non-Patent Document 22), there is a good correlation between the substrate specificity and the phylogenetic relationships.
[0249] Accordingly, a phylogenetic analysis was performed for TaELO1, TaELO2, and various other elongase genes derived from other organisms, using the method of Meyer et al. Specifically, a molecular phylogenetic tree was created according to the neighbor-joining method (Non-Patent Document 14), using the CLUSTAL Wprogram (Non-Patent Document 7). It was found as a result that the TaELO1 and TaELO2 were classified into the PUFA-elongases (single-step) group, suggesting that these elongases act on polyvalent unsaturated fatty acids of certain chain lengths (FIG. 2).
Example 2-4
TaELO1 and TaELO2 Expression in Budding Yeast Saccharomyces cerevisiae Host, and Fatty Acid Composition Analysis of Gene Introduced Strain
[0250] Expression vectors were constructed for TaELO1 and TaELO2 for their expression in budding yeast S. cerevisiae used as a host, as briefly described below. A set of oligonucleotide primer (E1 HindIII; 5'-ATA AGC TTA AAA TGT CTA GCA ACA TGA GCG CGT GGG GC-3') (SEQ ID NO: 18) and E1 XbaI; 5'-TGT CTA GAA CGC GCG GAC GGT CGC GAA A-3') (SEQ ID NO: 19) was produced using the sequence of the TaELO1 translated region. The E1 HindIII is a forward oligonucleotide primer, and has a restriction enzyme HindIII site (AAGCTT) at the 5'-end. The sequence in the vicinity of the TaELO1 start codon is modified by referring to a yeast consensus sequence ((A/Y) A (A/U) A AUG UCU; the start codon is underlined) (Non-Patent Document 23). The E1 XbaI is a reverse oligonucleotide primer, and has an XbaI site (TCTAGA) at the 5'-end.
[0251] In the same manner, a set of oligonucleotide primer (E2 HindIII; 5'-TAA AGC TTA AAA TGT CTA CGC GCA CCT CGA AGA GCG CTC C-3') (SEQ ID NO: 20) and E2 XbaI; 5'-CAT CTA GAC TCG GAC TTG GTG GGG GCG CTT G-3') (SEQ ID NO: 21) was produced using the sequence of the TaELO2 translated region. The E2 HindIII is a forward oligonucleotide primer, and has a restriction enzyme HindIII site at the 5'-end. The sequence in the vicinity of the TaELO2 start codon is modified by referring to a yeast consensus sequence. The E2 XbaI is a reverse oligonucleotide primer, and has an XbaI site at the 5'-end.
[0252] By using the two oligonucleotide primer sets, a PCR was performed using the 5'-RACE cDNA library of Example 2-2 as a template. The PCR amplified a 949-bp TaELO1 translated region (SEQ ID NO: 22) and a 967-bp TaELO2 translated region (SEQ ID NO: 23) having the restriction enzyme HindII and the restriction enzyme XbaI site at the 5'-end and the 3'-end, and modified to the yeast consensus sequence in the vicinity of the start codon. Note that a PrimeSTARR DNA polymerase (Takara Bio) of high proofreading activity was used as the PCR enzyme to avoid extension errors [PCR cycles: 98.degree. C. 2 min/98.degree. C. 5 sec, 60.degree. C. 5 sec, 72.degree. C. 1.5 min, 30 cycles/72.degree. C. 7 min/4.degree. C. .infin.].
[0253] After isolating the amplified PCR products with a 1% agarose gel, the DNA fragments were cut and extracted from the agarose gel. After treatment with restriction enzymes HindIII and XbaI, the product was purified again with an agarose gel. To construct a cyclic vector, the product was joined to a budding yeast expression vector pYES2/CT (invitrogen) with a DNA Ligation Kit <Mighty Mix> (Takara Bio) after linearizing the pYES2/CT vector with restriction enzymes HindIII and XbaI. This was followed by a base sequence analysis, which confirmed that no PCR extension error occurred and no mutation was introduced to the TaELO1 and TaELO2 translated region sequences introduced into the pYES2/CT. In this manner, a TaELO1 expression vector pYEELO1, and a TaELO2 expression vector pYEELO2 were successfully constructed.
[0254] The two expression vectors constructed above, and the pYES2/CT were introduced into the budding yeast S. cerevisiae by using the lithium acetate technique according to the methods described in Non-Patent Documents 15 and 16, and the transfectants were screened for. The resulting transfectants (pYEELO1 introduced strain, pYEELO2 introduced strain, and mock introduced strain) were cultured according to the method of Qiu et al. (Non-Patent Document 24), and the cell-derived fatty acids were extracted and methylesterificated. Note that each culture was performed in a medium supplemented with .alpha.-linolenic acid (ALA, C18:3.DELTA.9, 12, 15) and linoleic acid (LA, C18:2.DELTA.9, 12) added as .DELTA.9 elongase substrates, stearidonic acid (STA, C18:4.DELTA.6, 9, 12, 15) and .gamma.-linolenic acid (GLA, C18:3.DELTA.6, 9, 12) added as .DELTA.6 elongase substrates, and eicosapentaenoic acid (EPA, C20:5.DELTA.5, 8, 11, 14, 17) and arachidonic acid (AA, C20:4.DELTA.5, 8, 11, 14) added as .DELTA.5 elongase substrates. Here, each supplement was added in a final concentration of 0.2 mM. This was followed by the gas chromatography (GC) analysis of the methylesterificated fatty acids according to the method of Abe at al. (Non-Patent Document 17). The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0255] Column: HR-SS-10 (30 m.times.0.25 m; Shinwa Chemical Industries Ltd.)
[0256] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0257] Carrier gas: He (1.3 mL/min).
[0258] It was found as a result that, the pYEELO1 introduced strain had the .DELTA.6 elongase activity not found in the host (mock introduced strain), converting the stearidonic acid (STA) into eicosatetraenoic acid (ETA, C20:4.DELTA.8, 11, 14, 17), and the .gamma.-linolenic acid (GLA) into dihomo-.gamma.-linolenic acid (DGLA, C20:3.DELTA.8, 11, 14). The pYEELO1 introduced strain also had the .DELTA.9 elongase activity of converting the .alpha.-linolenic acid (ALA) into eicosatrienoic acid (ETrA, C20:3.DELTA.11, 14, 17), and the linoleic acid (LA) into eicosadienoic acid (EDA, C20:3.DELTA.11, 14), and the .DELTA.5 elongase activity of converting the eicosapentaenoic acid (EPA) into .omega.3 docosapentaenoic acid (.omega.3 DPA, C22:5.DELTA.7, 10, 13, 16, 19), and the arachidonic acid (AA) into docosatetraenoic acid (DTA, C22:4.DELTA.7, 10, 13, 16) (Table 1).
[0259] As for the pYEELO2 introduced strain, it was found that this strain had the .DELTA.5 elongase activity not found in the host, converting EPA to .omega.3 DPA (C22:5.DELTA.7, 10, 13, 16, 19), and AA to DTA. The pYEELO2 introduced strain also had a weak .DELTA.66 elongase activity, converting STA to ETA, and GLA to DGLA (Table 1). These results confirmed that the TaELO1 was a .DELTA.6/.DELTA.9/.DELTA.5 elongase, and the TaELO2 was a .DELTA.5/.DELTA.6elongase, contrary to the results expected from the TaELO1 and TaELO2 substrate specificity in the phylogenetic analysis described in Example 2-3 and FIG. 2.
TABLE-US-00001 TABLE 1 mock TaELO1 TaELO2 mock TaELO1 TaELO2 LA addition (0.2 mM) ALA addition (0.2 mM) LA 30.5 23.5 36.3 ALA 49.1 25.8 47.1 EDA 0.2 8.9 0.2 ETrA 0.2 17.9 0.3 Conversion 27.4 Conversion 41 efficiency efficiency (%) (%) GLA addition (0.2 mM) STA addition (0.2 mM) GLA 44.0 7.6 43.6 STA 46.2 8.3 40.5 DGLA 0.2 29.0 0.8 ETA 0.3 28.1 1.7 Conversion 79.3 1.9 Conversion 77.2 4.0 efficiency efficiency (%) (%) ARA addition (0.2 mM) EPA addition (0.2 mM) ARA 30.9 23.2 8.9 EPA 42.0 31.2 13.1 ADA -- 5.8 13.6 DPA 0.1 19.6 24.5 Conversion 20.1 60.3 Conversion 25.3 65.1 efficiency efficiency (%) (%) Conversion efficiency (%) = 100 .times. product (area)/substrate (area) + product (area) (n = 1)
Example 2-5
Obtaining TaELO2 ORF Upstream and Downstream Regions by PCR Genome Walking
[0260] The TaELO2 ORF upstream and downstream regions as the homologous recombination sites in a targeting vector for disrupting TaELO2 were obtained by using the PCR genome walking technique, as briefly described below.
[0261] T. aureum ATCC 34304 cell grown for 3 days using a GY liquid medium was rapidly frozen with liquid nitrogen, and ground into a powdery form with a mortar. Then, genomic DNA was extracted according to the method described in Non-Patent Document 18, and dissolved in a suitable amount of TE. Genomic DNA levels and purity were assayed by O.D.260 and O.D.280 measurements. This was followed by construction of a genomic DNA library by adding a cassette sequence with restriction enzyme sites to the genomic DNA cut with various restriction enzymes, using a TaKaRa LA PCR.TM. in vitro Cloning Kit (Takara Bio) according to the manufacturer's protocol. Then, by using the genomic DNA library as a template, a nested PCR was performed according to the manufacturer's protocol, using the forward oligonucleotide primers E2 XbaI (Example 2-4; SEQ ID NO: 21) and elo3-F1 (Example 2-2; SEQ ID NO: 10) or the reverse oligonucleotide primers E2 HindIII (Example 2-4; SEQ ID NO: 20) and elo3-R1 (Example 2-2; SEQ ID NO: 11) produced from the TaELO2 sequence, and the oligonucleotide primers complementary to the cassette sequence (attached to the kit). As a result, a 1,122-bp TaELO2 ORF upstream sequence (SEQ ID NO: 24), and a 1,204-bp TaELO2 ORF downstream sequence (SEQ ID NO: 25) were successfully obtained.
Example 2-6
Construction of TaELO2 Targeting Vector Using Selection Marker Neor
[0262] A DNA fragment joining TaELO2 ORF upstream sequence/artificial Neor/TaELO2 ORF downstream sequence was produced by fusion PCR. The following oligonucleotide primers were used.
TABLE-US-00002 KO Pro F SmaI (SEQ ID NO: 26) (31 mer: 5'-CTC CCG GGT GGA CCT AGC GCG TGT GTC ACC T-3') Pro R (SEQ ID NO: 27) (25 mer: 5'-GGT CGC GTT TAC AAA GCA GCG CAG C-3') SNeo F (SEQ ID NO: 28) (52 mer; 5'-GCT GCG CTG CTT TGT AAA CGC GAC CAT GAT TGA ACA GGA CGG CCT TCA CGC T-3') SNeoR (SEQ ID NO: 29) (52 mer; 5'-TCG GGA GCC AGC CGG AAA CAG GTT CAA AAG AAC TCG TCC AGG AGG CGG TAG A-3') Term F (SEQ ID NO: 30) (23 mer: 5'-ACC TGT TTC CGG CTG GCT CCC GA-3') KO Term R SmaI (SEQ ID NO: 31) (27 mer: 5'-ATC CCG GGG CCG AGA ACG GGG TCG CCC-3')
[0263] The oligonucleotide primers KO Pro F SmaI/Pro R were used for the amplification of the TaELO2 ORF upstream sequence using the T. aureum ATCC 34304 genomic DNA of Example 2-5 as a template. The oligonucleotide primers SNeo F/SNeo R were used for the amplification of the artificial Neor using artificial Neor as a template. The oligonucleotide primers Term F/KO Term R SmaI were used for the amplification of the TaELO2 ORF downstream sequence using the T. aureum ATCC 34304 genomic DNA of Example 2-5 as a template. The PCR reaction was performed at a denature temperature of 98.degree. C. for 10 seconds, and the annealing and the extension reaction were performed while appropriately adjusted according to the primer Tm and the amplification product length.
[0264] As a result, a 2,696-bp sequence (SEQ ID NO: 32) joining TaELO2 ORF upstream sequence/artificial Neor/TaELO2 ORF downstream sequence was successfully obtained, and the sequence after TA cloning with a pGEM-T easy Vector (Promega) was used as a knockout vector, named pTKONeor.
Example 2-7
Introduction of TKONeor into T. aureum ATCC 34304
[0265] The TaELO2 targeting vector pTKONeor using artificial Neor as a selection marker (Example 2-6) was used as a template, and the TaELO2 ORF upstream sequence/artificial Neor/TaELO2 ORF downstream sequence was amplified using a set of oligonucleotide primers KO Pro F SmaI (Example 2-6, SEQ ID NO: 26)/KO Term R SmaI (Example 2-6, SEQ ID NO: 31), and PrimeSTAR HS DNA polymerase (Takara Bio) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 3 min, 30 cycles/68.degree. C. 10 min/4.degree. C. o]. The DNA fragments were extracted after electrophoresis using a 1% agarose gel, and dissolved in a suitable amount of TE after ethanol precipitation. The DNA fragment levels and the purity were assayed by O.D.260 and O. D.280 measurements. In the following, the DNA fragment will be referred to as TKONeor.
[0266] This was followed by DNA penetration using the gene-gun technique. Specifically, T. aureum ATCC 34304 was cultured in a GY liquid medium from the middle to late stage of the logarithmic growth phase at 25.degree. C., 150 rpm, and the supernatant was removed by centrifugation at 3,500.times.g, 4.degree. C. for 10 min. The resulting cells were resuspended in a GY liquid medium in 100 times the concentration of the original culture fluid, and a 20-.mu.l portion of the cell suspension was evenly applied as a thin layer of about a 3-cm diameter on a 5-cm diameter PDA agar plate medium containing 1 mg/ml G418 (nacalai tesque). After drying, penetration was performed using a PDS-1000/He system (BioRad) under the following conditions.
[0267] Target distance: 6 cm
[0268] Vacuum: 26 inches Hg
[0269] Micro carrier size: 0.6 .mu.m
[0270] Rupture disk (penetration pressure): 1,100 psi
[0271] Thereafter, a PD liquid medium (100 .mu.l) was dropped onto the PDA agar plate medium, and the cells were spread and statically cultured. As a result, transfectants with the conferred G418 resistance were obtained at the efficiency of 4.7.times.10.sup.1 cfu/.mu.g DNA.
Example 2-8
PCR Using TONeor-Introduced Transfectant Genomic DNA as a Template
[0272] Seven colonies of transfectants were collected with a toothpick, and inoculated in a GY liquid medium containing 0.5 mg/ml G418 (nacalai tesque). After multiple subculturing, genomic DNA was extracted from the cells using the method of Example 2-5, and dissolved in a suitable amount of TE after ethanol precipitation. The levels of extracted genomic DNA and the purity were assayed by O.D.260 and O.D.280 measurements. By using the genomic DNAs of the transfectants and the wild-type strain as templates, a PCR was performed with various oligonucleotide primer sets. The following oligonucleotide primer sets were used.
[0273] (1) Neor detection: SNeoF (Example 2-6; SEQ ID NO: 28) and SNeoR (Example 2-6; SEQ ID NO: 29)
[0274] (2) KO verification 1: KO Pro F SmaI (Example 2-6; SEQ ID NO: 26) and KO Term R SmaI (Example 2-6; SEQ ID NO: 31)
[0275] (3) KO verification 2: E2 KO ProF EcoRV (30 mer: 5'-GGA TAT CCC CCG CGA GGC GAT GGC TGC TCC-3') (SEQ ID NO: 33) and SNeoR
[0276] (4) KO verification 3: SNeoF and E2 KO Term R EcoRV (30 mer: 5'-TGA TAT CGG GCC GCG CCC TGG GCC GTA GAT-3') (SEQ ID NO: 34)
[0277] (5) TaELO2 amplification: E2 HindIII (Example 2-4; SEQ ID NO: 20) and E2 XbaI (Example 2-4; SEQ ID NO:21) (FIG. 3A)
[0278] Six out of the seven clones analyzed were transfectants by random integration, and the homologous recombination replacement of TaELO2 ORF with Neor was confirmed in the remaining clone (FIG. 3B, lanes 9 and 13). It was also found that this was accompanied by the simultaneous TaELO2 ORF amplification (FIG. 3B, lane 17). These results suggested the possibility that the T. aureum ATCC 34304 was a diploid or higher ploidy, or the TaELO2 was a multicopy gene.
Example 2-9
Confirmation of TaELO2 Copy Number by Southern Blotting
[0279] The following experiments were conducted according to the methods described in DIG Application Manual [Japanese version] 8th, Roche Applied Science (Non-Patent Document 25). Specifically, the genomic DNA of the wild-type strain was cut with various restriction enzymes, and electrophoresed in 2.5 .mu.g per lane using a 0.7% SeaKemR GTGR agarose (Takara Bio). This was transferred to a nylon membrane (Hybond.TM.-N+, GE Healthcare), and hybridized at 48.degree. C. for 16 hours with DIG-labeled probes produced by using a PCR DIG Probe Synthesis Kit (Roche Applied Science). The following oligonucleotide primer set was used for the production of the DIG-labeled probes.
TABLE-US-00003 TaELO2 det F (SEQ ID NO: 35) (25 mer: 5'-GTA CGT GCT CGG TGT GAT GCT GCT C-3') TaELO2 det R (SEQ ID NO: 36) (24 mer: 5'-GCG GCG TCC GAA CAG GTA GAG CAT-3')
[0280] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 65.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C. .infin.]
[0281] Detection of the hybridized probes was made by using a chromogenic method (NBT/BCIP solution).
[0282] As a result, a single band was detected in all lanes treated with the various restriction enzymes (FIG. 4), suggesting that the TaELO2 was a single copy gene. The result thus suggested that the T. aureum ATCC 34304 was a diploid or higher ploidy.
Example 2-10
Evaluation of TKONeor-Introduced Transfectants by Southern Blotting
[0283] Southern blotting was performed by using the method of Example 2-9. Specifically, the genomic DNAs of the wild-type strain and the transfectants digested with EcoRV and PstI were subjected to southern blotting using a chromogenic method (NBT/BCIP solution), using DIG-labeled probes PCR amplified with a set of oligonucleotide primers uprobe F (35 mer: 5'-ATC CG: GTA TAT ATC CGT AAA CAA CGG AAC ATT CT-3') (SEQ ID NO: 37) and uprobe R (26 mer: 5'-CTT CGG GTG GAT CAG CGA GCG ACA GC-3') (SEQ ID NO: 38) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 65.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C..infin.]. Here, in contrast to about a 1.2-kbp DNA fragment detected for the wild-type allele, about a 2.5-kbp DNA fragment was detected for the mutant allele that underwent the homologous recombination replacement of TaELO2 ORF with Neor (FIG. 5A).
[0284] Because the wild-type allele band was simultaneously detected with the mutant allele band in the transfectants (FIG. 5B), the analysis result suggested that the T. aureum ATCC 34304 was a diploid or higher ploidy.
Example 2-11
Construction of TaELO2 Targeting Vector Using Selection Marker Hygr
[0285] A TaELO2 targeting vector was constructed with a selection marker Hygr to disrupt the remaining wild-type allele.
[0286] First, a fusion PCR was performed to join Hygr to a T. aureum ATCC 34304-derived ubiquitin promoter sequence. The following oligonucleotide primers were used.
TABLE-US-00004 ubi-600p F (SEQ ID NO: 39) (27 mer: 5'-GCC GCA GCG CCT GGT GCA CCC GCC GGG-3') ubi-hygro R (SEQ ID NO: 40) (59 mer: 5'-TCG CGGG TGA GTT CAG GCT TTT TCA TGT TGG CTA GTG TTG CTT AGG TCG CTT GCT GCT G-3') ubi-hygro F (SEQ ID NO: 41) (57 mer; 5'-AGC GAC CTA AGC AAC ACT AGGC CAA CAT GAA AAA GCC TGA ACT CAC CGC GAC GTC TG-3') hygro R (SEQ ID NO: 42) (29 mer; 5'-CTA TTC CTT TGC CCT CGG ACG AGT GCT GG-3')
The oligonucleotide primers ubi-600p F/ubi-hygro R were used for the amplification of the T. aureum ATCC 34304-derived ubiquitin promoter sequence using the T. aureum ATCC 34304 genomic DNA of Example 2-5 as a template. The oligonucleotide primers ubi-hygro F/hygro R were used for the amplification of the artificial Hygr using pcDNA 3.1 Zeo (Invitogen) as a template. The PCB reaction was performed at a denature temperature of 98.degree. C. for 10 seconds, and the annealing and the extension reaction were appropriately adjusted according to the primer Tm and the amplification product length.
[0287] As a result, a 1, 636-bp (SEQ ID NO: 43) joining T. aureum ATCC 34304-derived ubiquitin promoter sequence/Hygr was successfully obtained, and the sequence after TA cloning with a pGEM-T easy Vector (Promega) was named pTub600Hygr.
[0288] By using the pTub600Hygr as a template, a PCR was performed with PrimeSTAR HS DNA polymerase (Takara Bio) to prepare a T. aureum ATCC 34304-derived ubiquitin promoter sequence/Hygr DNA fragment containing NheI and XbaI sites added to the 5' end and the 3' end, respectively. The PCR was run under the following conditions using a set of oligonucleotide primers ubi-600p F NheI (33 mer: 5'-GTG CTA GCC GCA GCG CCT GGT GCA CCC GCC GGG-3') (SEQ ID NO: 44) and hygro R XbaI (37 mer: 5'-GTT CTA GAC TAT TCC TTT GCC CTC GGA CGA GTG CTG G-3') (SEQ ID NO: 45) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 3 min, 30 cycles/68.degree. C. 10 min/4.degree. C..infin.]. Separately, by using the pTKONeor of Example 2-6 as a template, a PCR was performed with PrimeSTAR HS DNA polymerase (Takara Bio) to prepare a linear vector that did not contain the Neor of the pTKONeor of Experiment Example 2-6 and to which NheI and XbaI sites were added to the 3' end and the 5' end, respectively. The PCR was run under the following conditions using a set of oligonucleotide primers KO vec F XbaI (37 mer: 5'-GTT CTA GAC CTG TTT CCG GCT GGC TCC CGA GCC ATG C-3') (SEQ ID NO: 46) and KO vec R NheI (40 mer: 5'-GTG CTA GCG GTC GCG TTT ACA AAG CAG CGC AGC AAC AGA A-3') (SEQ ID NO: 47) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 3 min, 30 cycles/68.degree. C. 10 min/4.degree. C. .infin.]. The both DNA fragments were digested with restriction enzymes NheI and XbaI, and purified with an agarose gel to construct a cyclic vector using a Ligation Convenience Kit (Nippon Gene).
[0289] The TaELO2 targeting vector using Hygr as a selection marker thus constructed used the pGEM-T easy Vector (Promega) as the platform, and contained a 3,537-bp insert sequence (SEQ ID NO: 48) of TaELO2 ORF upstream sequence/T. aureum ATCC 34304-derived ubiquitin promoter sequence/Hygr/TaELO2 ORF downstream sequence. This was named pTKOub600Hygr.
Example 2-12
Reintroduction of KOub600Hygr, and Evaluation of Transfectants by PCR Using Genomic DNA as Template, and by Southern Blotting and RT-PCR
[0290] The constructed TaELO2 targeting vector pTKOub600Hygr (Example 2-11) using Hygr as a selection marker was used as a template, and the TaELO2 ORF upstream sequence/T. aureum ATCC 34304-derived ubiquitin promoter sequence/Hygr/TaELO2 ORF downstream sequence was amplified with a PrimeSTAR HS DNA polymerase (Takara Bio), using a set of oligonucleotide primers KO Pro F SmaI (Example 2-6, SEQ ID NO: 26)/KO Term R SmaI (Example 2-8, SEQ ID NO: 31) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 3.5 min, 30 cycles/68.degree. C. 10 min/4.degree. C..infin.]. The resulting DNA fragment was named KOub600Hygr. This was introduced to the transfectants obtained in Example 2-6 by using the technique described therein, and statically cultured on a 1 mg/ml G418 (nacalai tesque)-containing PDA agar plate medium for 24 hours. The cells were collected, and statically cultured on a PDA agar plate medium supplemented with 1 mg/ml G418 (nacalai tesque) and 2 mg/ml hygromycin B (Wako Pure Chemical Industries, Ltd.). As a result, large numbers of transfectants were obtained (introduction efficiency: 1.02.times.10.sup.3 cfu/.mu.g DNA).
[0291] Fifty clones were collected, and subcultured multiple times in a GY liquid medium supplemented with 1 mg/ml G418 (nacalai tesque) and 2 mg/ml hygromycin B (Wako Pure Chemical Industries, Ltd.). Then, genomic DNA was extracted by using the same technique used in Example 2-5, and dissolved in a suitable amount of TE after ethanol precipitation. The levels of extracted genomic DNA and the purity were assayed by O.D.260 and O.D.280 measurements. By using the genomic DNAs of the resulting transfectants and the wild-type strain as templates, a PCR was performed with various oligonucleotide primer sets [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 10 min/4.degree. C..infin.]. The following oligonucleotide primer sets were used.
[0292] (1) TaELO2 ORF detection: SNeoF (Example 2-6; SEQ ID NO: 28) and SNeoR (Example 2-6; SEQ ID NO: 29)
[0293] (2) KO verification: E2 KO Pro F EcoRV (Example 2-8; SEQ ID NO: 33) and ubi-hygro R (Example 2-11; SEQ ID NO: 40) (FIG. 6A).
[0294] It was suggested that 14 out of the 50 clones analyzed were transfectants that underwent homologous recombination through TaELO2 ORF replacement (FIG. 6B, arrow). It was also confirmed that the TaELO2 ORF was not amplified in these clones (FIG. 6C).
[0295] This was followed by southern blotting using the same technique used in Example 2-10. Specifically, the genomic DNAs of the wild-type strain and the transfectants digested with EcoRV and PstI were subjected to southern blotting using a chromogenic method (NBT/BCIP solution), using DIG-labeled probes prepared with a set of oligonucleotide primers uprobe F (SEQ ID NO: 37) and uprobe R (SEQ ID NO: 38). Here, about a 1.2-kbp DNA fragment was detected for the wild-type allele. In contrast, about a 2.5-kbp DNA fragment was detected for the mutant allele that underwent the homologous recombination replacement of TaELO2 ORF with Neor, and about a 1.9-kbp DNA fragment was detected for the mutant allele that underwent the homologous recombination replacement of TaELO2 ORF with Hygr (FIG. 7A).
[0296] The analysis revealed that the wild-type allele band of about a 2.5 kbp was absent in the resulting transfectants, and a new band, about 1.9 kbp, was detected for the mutant allele in which the TaELO2 ORF was replaced with Hygr (FIG. 7B).
[0297] Southern blotting using a chromogenic method (NBT/BCIP solution) was also performed for the genomic DNAs of the wild-type strain and the transfectants (clones 1, 8, 9, and 10) digested with EcoRV, using TaELO2-detecting DIG-labeled probes prepared by PCR using a set of oligonucleotide primers TaELO2 probe F (30 mer: 5'-ATG GCG ACG CGC ACC TCG AAG AGC GCT CCG-3') (SEQ ID NO: 49) and TaELO2 probe R (30 mer: 5'-AGG ATC ATC ATG AAC GTG TCG CTC CAG TCG-3') (SEQ ID NO: 50) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 65.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C..infin.]. Here, TaELO2 was detected as about a 2.5-kbp DNA fragment (FIG. 7A).
[0298] The analysis revealed that in contrast to the wild-type strain in which the TaELO2 was detected (FIG. 8, lane 1), TaELO2 was not detected in any of the transfectants (FIG. 8, lanes 2 to 5).
[0299] To examine the TaELO2 disruption at the mRNA level, TaELO2 mRNA detection was performed by RT-PCR. Total RNA was extracted from the cells of the wild-type strain and the transfectants (clones 1, 8, 9, and 10) cultured for 3 days in GY liquid media, using Sepasol-RNA I Super (nacalai tesque) as in Example 2-1. The total RNA (50 .mu.g) was cleaned up using an RNeasy Mini Kit (QIAGEN) according to the manufacturer's protocol, and treated at 37.degree. C. for 1 hour using 50 U Recombinant DNase I (Takara Bio) to degrade and remove the contaminated genomic DNA. By using the resulting total RNA as a template, a single-stranded cDNA library was created using oligo(dT) primer (Novagen) and PrimeScript Reverse Transcriptase (Takara Bio) according to the manufacturers' protocols. By using the resulting single-stranded cDNA library as a template, the TaELO2 ORF was amplified with a set of oligonucleotide primers E2 HindIII (Example 2-4; SEQ ID NO: 20) and E2 XbaI (Example 2-4; SEQ ID NO:21), and LA taq Hot Start Version (Takara Bio) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 10 min/4.degree. C..infin.].
[0300] It was found as a result that the TaELO2 mRNA detected in the wild-type strain (FIG. 9, lane 5) was not detected in any of the transfectants (clones 1, 8, 9, and 10) (FIG. 9, lanes 1 to 4).
[0301] As demonstrated above, TaELO2-deficient homozygotes with the complete disruption of TaELO2 were successfully obtained. It was also found that the T. aureum ATCC 34304 was a diploid.
Example 2-13
Comparison of Fatty Acid Compositions of Wild-Type Strain and TaELO2-Deficient Homozygote
[0302] The fatty acid compositions of the TaELO2-deficient homozygote and the wild-type strain of Example 2-12 were compared by the GC analysis of methylesterificated fatty acids. Specifically, the cells of the TaELO2-deficient homozygotes and the wild-type strain cultured for 5 days in GY liquid media were collected, and the fatty acids from these cells were extracted and methylesterificated by using the methods described in Example 2-4, and subjected to GC analysis. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0303] Column: HR-SS-10 (30 m.times.0.25 m; Shinwa Chemical Industries Ltd.
[0304] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0305] Carrier gas: He (1.3 mL/min).
[0306] As a result, the level of the EPA as a TaELO2 substrate showed about a two-fold increase in the TaELO2-deficient homozygote compared to the wild-type strain, whereas the level of the downstream metabolite DHA was lower than in the wild-type strain (FIG. 10).
[0307] The present invention is the first example of the modification of fatty acid compositions through disruption of genes that form the desaturase/elongase pathways in Labyrinthula. Specifically, the present invention has elucidated the involvement of the desaturase/elongase pathways in the PUFA biosynthesis in the Labyrinthula T. aureum, and shows that modification of fatty acid composition is possible by knocking out the constitutive genes. In the future, it would be possible to perform molecular breeding of Labyrinthulomycetes that selectively produce industrially useful PUFAs in large quantities in a PUFA biosynthetic pathway artificially created from combinations of genetic modifications such as overexpression of foreign desaturase/elongase genes, and PUFA-PKS gene knockouts.
Example 3
Disruption of Parietichytrium sarkarianum C20 Elongase Gene
Example 3-1
Subcloning of SV40 Terminator Sequence
[0308] An SV40 terminator sequence was amplified with PrimeSTAR HS DNA polymerase (Takara Bio), using a pcDNA 3.1 Myc-His vector as a template. The PCR primers used are as follows. RHO58 was set on the SV40 terminator sequence, and contains BglII and BamHI linker sequences. RHO52 was set on the SV40 terminator sequence, and contains a BglII sequence [RHO58: 34mer: 5'-CAG ATC TGG ATC CGC GAA ATG ACC GAC CAA GCG A-3' (SEQ ID NO: 51), RHO52: 24mer: 5'-ACG CAA TTA ATG TGA GAT CTA GCT-3' (SEQ ID NO: 52)]. The sequence was cloned into a pGEM-T easy vector (Promega) after being amplified under the following conditions [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 60.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 1 min]. The sequence was confirmed with a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER) after being amplified with Escherichia coli, and was named pRH27.
[0309] A plasmid (pRH27) containing the subcloned SV40 terminator sequence (342 bp, SEQ ID NO: 53) is shown in FIG. 11.
Example 3-2
Production of Artificial Neomycin-Resistant Gene Cassette
[0310] The Thraustochytrium aureum ATCC 34304 strain was cultured in GY medium, and cells at the late stage of the logarithmic growth phase were centrifuged at 4.degree. C., 3,500.times.g for 5 min to obtain a pellet. The pellet was then disrupted after being frozen with liquid nitrogen. The cell disruption liquid was extracted with phenol, and precipitated with ethanol. The precipitate was then dissolved in a TE solution. The nucleic acids dissolved in the TE solution were treated with RNase at 37.degree. C. for 30 min to degrade the RNA, and extracted again with phenol. After ethanol precipitation, the precipitate was dissolved in a TE solution. The DNA concentration was calculated by measuring A260/280.
[0311] By using this as a template, a ubiquitin promoter sequence (619 bp, SEQ ID NO: 54) was amplified using a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio). The PCR primers used are as follows. RHO53 was set on the ubiquitin promoter sequence, and contains a BglII linker sequence. The TKO1 contains the ubiquitin promoter sequence and an artificial neomycin-resistant gene sequence [RHO53: 36mer: 5'-CCC AGA TCT GCC GCA GCG CCT GGT GCA CCC GCC GGG-3' (SEQ ID NO: 55), TEO1: 58mer: 5'-CGT GAA GGC CGT CCT GTT CAA TCA TGT TGG CTA GTG TTG CTT AGG TCG CTT GCT GCT G-3' (SEQ ID NO: 56)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 1 min].
[0312] An artificial neomycin-resistant gene sequence (826 bp, SEQ ID NO: 57) was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio), using the artificial neomycin-resistant gene sequence as a template. The PCR primers used are as follows. TKO2 contains the ubiquitin promoter sequence and the artificial neomycin-resistant gene sequence. RHO57 contains the artificial neomycin-resistant gene sequence, and has a BglII linker sequence [TKO2: 54mer: 5'-AGC GAC CTA AGC AAC ACT AGC CAA CAT GAT TGA ACA GGA CGG CCT TCA CGC TGG-3' (SEQ ID NO: 58), RHO57: 26mer: 5'-CAG ATC TCA AAA GAA CTC GTC CAG GA-3' (SEQ ID NO: 59)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 1 min].
[0313] By using SEQ ID NOS: 54 and 57 as templates, a fusion PCR was performed with PHO53 (SEQ ID NO: 55) and RHO57 (SEQ ID NO: 59) according to the method described in Non-Patent Document 19. The product was amplified under the following conditions by using an LA taq Hot start version (Takara Bio) as an enzyme, and digested with BglII [PCR cycles: 94.degree. C. 2 min/94.degree. C. 20 sec, 55.degree. C. 30 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 1 min (1.degree. C./10 sec from 55.degree. C. to 68.degree. C.) (FIG. 12).
[0314] The fused product Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter-artificial neomycin-resistant gene sequence (1,395 bp, SEQ ID NO: 60) was digested with BglII, and ligated to the BamHI site of the pRH27 of Example 3-1. The resulting plasmid was amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER) and named pRH31.
[0315] The product artificial neomycin-resistant gene cassette (pRH31) is shown in FIG. 13.
Example 3-3
Production of Hygromycin-Resistant Gene Cassette
[0316] By using the genomic DNA of the Thraustochytrium aureum ATCC 34304 as a template, a ubiquitin promoter sequence (617 bp, SEQ ID NO: 61) was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio). The PCR primers used are as follows. RHO53 was set on the ubiquitin promoter sequence, and contains a BglII linker sequence. KSO8 contains the ubiquitin promoter sequence and a hygromycin-resistant gene sequence [RHO53: 36mer: 5'-CCC AGA TCT GCC GCA GCG CCT GGT GCA CCC GCC GGG-3' (Example 3-2; SEQ ID NO: 55), KSO8: 58mer: 5'-TCG CGG TGA GTT CAG GCT TTT TCA TGT TGG CTA GTG TTG CTT AGG TCG CTT GCT GCT G-3' (SEQ ID NO: 62)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min].
[0317] By using a pcDNA 3.1/Hygro (invitrogen) as a template, a hygromycin-resistant gene (1,058 bp, SEQ ID NO: 63) was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio). The PCR primers used are as follows. KSO7 contains the ubiquitin promoter sequence and the hygromycin-resistant gene sequence. RHO56 contains the hygromycin-resistant gene, and has a BglII linker sequence [KSO7: 56mer: 5'-AGC GAC CTA AGC AAC ACT AGC CAA CAT GAA AAA GCC TGA ACT CAC CGC GAC GTC TG-3' (SEQ ID NO: 64), RHO56: 36mer: 5'-CAG ATC TCT ATT CCT TTG CCC TCG GAC GAG TGC TGG-3' (SEQ ID NO: 65)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min].
[0318] By using SEQ ID NOS: 61 and 63 as templates, a fusion PCR was performed with RHO53 (Example 3-2; SEQ ID NO: 55) and RHO56 (SEQ ID NO: 65) according to the method described in Non-Patent Document 19. The product was amplified under the following conditions using an LA taq Hot start version (Takara Bio) as an enzyme, and digested with BglII [PCR cycles: 94.degree. C. 2 min/94.degree. C. 20 sec, 55.degree. C. 30 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 1 min (1.degree. C./10 sec from 55.degree. C. to 68.degree. C.)] (FIG. 14).
[0319] The fused product Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter-pcDNA 3.1/Hygro (invitrogen)-derived hygromycin-resistant gene (1,625 bp, SEQ ID NO: 66) was digested with BglII, and ligated to the BamHI site of the pRH27 of Example 3-1 (FIG. 11). The resulting plasmid was amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH32.
[0320] The product artificial neomycin-resistant gene cassette (pRH32) is shown in FIG. 15.
Example 3-4
Cloning of Parietichytrium C20 Elongase Gene
[0321] The Parietichytrium sarkarianum SEK364 genomic DNA extracted by using the method of Example 3-2 was extracted, and the genome was decoded.
[0322] A forward oligonucleotide (PsTaELO2 F1; 5'-CCT TCG GCG CTC CTC TTA TGT ATG T-3') (SEQ ID NO: 67) and a reverse oligonucleotide (PsTaELO2 R2; 5'-CAA TGC AAG AGG CGA ACT GGG AGA G-3') (SEQ ID NO: 68) were synthesized by targeting a conserved region in the C20 elongase gene. The oligonucleotides PsTaELO2 F1 and PsTaELO2 R2 were then used for a PCR performed with an LA taq Hot start version (TaKaRa) using the Parietichytrium sarkarianum SEK364 genomic DNA prepared by using the method of Example 3-2 as a template [PCR cycles: 98.degree. C. 1 min/98.degree. C. 10 sec, 60.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C..infin.]. The resulting specific amplification product was gel purified, and the base sequence was analyzed by direct sequencing. The sequence showed significant homology with the sequence of a known C20 elongase gene, suggesting that the sequence was a partial sequence of the Parietichytrium sarkarianum SEK364-derived C20 elongase gene.
[0323] This was followed by cloning of the Parietichytrium sarkarianum SEE364-derived C20 elongase gene by 3'- and 5'-RACE, as in Example 2-2. First, forward oligonucleotide primers (PsRACE F1; 5'-TGG GGC TCT GGA ACC GCT GCT TAC G-3') (SEQ ID NO: 69) and (PsRACE F2; 5'-CTT CCA GCT CTC CCA GTT CGC CTC T-3') (SEQ ID NO: 70), and reverse oligonucleotide primers (PsRACE R1; 5'-CGG GTT GTT GAT GTT GAG CGA GGT G-3') (SEQ ID NO: 71) and (PsRACE R2; 5'-CCC ACG CCA TCC ACG AGC ACA CCA C-3') (SEQ ID NO: 72) were designed. This was followed by 3'- and 5'-RACE using a synthetic adapter-specific oligonucleotide and the oligonucleotide PsRACE F1 or PsRACE R1, using the cDNA library created with the SMART.TM. RACE cDNA Amplification Kit (Clontech) as a template [PCR cycles: 94.degree. C. 30 sec 5 cycles/94.degree. C. 30 sec, 70.degree. C. 30 sec, 72.degree. C. 3 min, 5 cycles/94.degree. C. 30 sec, 68.degree. C. 30 sec, 72.degree. C. 3 min, 25 cycles/4.degree. C. m]. By using the resulting both RACE products as templates, a nested PCR was performed using a synthetic adapter-specific oligonucleotide, and the oligonucleotide PsRACE F2 or PsRACE R2 [PCR cycles: 94.degree. C. 1 min/94.degree. C. 30 sec, 68.degree. C. 30 sec, 72.degree. C. 3 min, 25 cycles/72.degree. C. 10 min/4.degree. C..infin.]. The resulting specific product was gel purified, and the base sequence was analyzed after being TA cloned with a pGEM-T easy Vector (Promega). The result confirmed that the product was a Parietichytrium sarkarianum SEK364-derived C20 elongase gene.
[0324] A sequence (957 bp, SEQ ID NO: 73) containing the C20 elongase gene sequence was amplified with an LA taq Hot start version (Takara Bio), using the Parietichytrium genomic DNA extracted by using the method of Example 3-2 as a template. The PCR primers used are as follows. RHO153 contains a start codon, and has a BamHI site as a linker sequence. RHO154 contains a stop codon, and has a BamHI site as a linker sequence [RHO153: 32 mer: 5'-CCC GGA TCC ATG GCA GCT CGC GTG GAG AAA CA-3' (SEQ ID NO: 74), RHO154: 33 mer: 5'-CCC GGA TCC TTA CTG AGC CTT CTT GGA GGT CTC-3' (SEQ ID NO: 75)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 2 min].
[0325] The resulting DNA fragment was cloned into a pGE-T easy vector, and amplified with Escherichia coli. Then, the sequence was confirmed with a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER).
[0326] The 936-bp Parietichytrium C20 elongase gene (SEQ ID NO: 76) was cloned, and named pRH80 (FIG. 16). The amino acid sequence is represented by SEQ ID NO: 77.
Example 3-5
Production of Base Plasmid for Parietichytrium C20 Elongase Gene Targeting Vector Production
[0327] By using the pRH80 produced in Example 3-4 (FIG. 16) as a template, amplification was performed with a PrimeSTAR Max DNA Polymerase (Takara Bio), using a primer set of the reverse orientation prepared for the insertion of the BglII site in a portion halfway along the C20 elongase gene sequence. The PCR primers used were as follows, and the both primers have BglII linker sequences [RHO155: 26 mer: 5'-ACA AAG ATC TCG ACT GGA CCG ACA CC-3' (SEQ ID NO: 78), RHO156: 27 mer: 5'-AGT CGA GAT CTT TGT CAG GAG GTG GAC-3' (SEQ ID NO: 79)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 56.degree. C. 15 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 1 min]. After the amplification under these conditions, the product was digested with BglII, and allowed to self-ligate. The ligated sample was amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH83. The 935-bp C20 elongase gene sequence with the inserted BglII site is represented by SEQ ID NO: 80.
[0328] The produced base plasmid (pRH83) for Parietichytrium C20 elongase gene targeting vector production Is shown in FIG. 17.
Example 3-6
Production of Targeting Vectors (Artificial Neomycin-Resistant Gene and Hygromycin-Resistant Gene)
[0329] The pRH31 (FIG. 13) of Example 3-2 was digested with BglII, and a DNA fragment containing an artificial neomycin-resistant gene cassette was ligated to the BglII site of the pRH83 (FIG. 17) of Example 3-5. This was named pRH85.
[0330] The pRH32 (FIG. 15) of Example 3-3 was digested with BglII, and a DNA fragment containing a hygromycin-resistant gene cassette was ligated to the BglII site of the pRH83 (FIG. 17) of Example 3-5. This was named pRH86.
[0331] The two targeting vectors (pRH85 and 86) produced are shown in FIG. 18.
Example 3-7
Introduction of C20 Elongase Gene Targeting Vector
[0332] By using the two targeting vectors produced in Example 3-6 as templates, the gene was amplified with a PrimeSTAR Max DNA polymerase (Takara Bio), using the RHO153 (Example 3-4; SEQ ID NO: 74) and RHO154 (Example 3-4; SEQ ID NO: 75) as primers [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min]. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was then calculated by measuring A260/280. The introduced fragment obtained from using the pRH85 (FIG. 18) of Example 3-6 as a template was 2,661 bp, and had the following sequence order: First half of Parietichytrium C20 elongase gene-SV40 terminator sequence-artificial neomycin-resistant gene sequence-ubiquitin promoter sequence-second half of Parietichytrium C20 elongase gene (SEQ ID NO: 81). The introduced fragment obtained from using the pRH86 (FIG. 18) of Example 3-6 as a template was 2,892 bp, and had the following sequence order: First half of Parietichytrium C20 elongase gene-SV40 terminator sequence-hyqromycin-resisatant gene sequence-ubiquitin promoter sequence-second half of Parietichytrium C20 elongase gene (SEQ ID NO: 82).
[0333] The Parietichytrium sarkarianum SEK364 strain was cultured in a GY medium for 4 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was then introduced into cells corresponding to OD600=1 to 1.5 using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 1,550 PSI). After a 24-hour recovery time, the cells with the introduced gene were applied onto a PDA agar plate medium (containing 2 mg/ml G418 or 2 mg/ml hygromycin). As a result, 10 to 20 drug resistant strains were obtained per penetration.
Example 3-8
Identification of C20 Elongase Gene Gene Targeting Homologous Recombinant
[0334] Genomic DNA was extracted from the Parietichytrium sarkarianum SEK364 strain, the C20 elongase gene hetero homologous recombinant, and the C20 elongase gene homo homologous recombinant (gene disrupted strain) by using the method described in Example 3-2, and the DNA concentration was calculated by measuring A260/280. By using this as a template, a PCR was performed with an LA taq Hot start version (Takara Bio) to confirm the genome structure. The positions of the primers, combinations used for the amplification, and the expected sizes of the amplification products are shown in FIG. 19. RHO184 and RHO185 were set on the upstream and downstream sides, respectively, of the C20 elongase. RHO142 and RHO143 were set on the artificial neomycin-resistant gene. RHO140 and RHO141 were set on the hygromycin-resistant gene [RHO140: 20 mer: 5'-GGT TGA CGG CAA TTT CGA TG-3' (SEQ ID NO: 83), RHO141: 22 mer: 5'-CCT CCT ACA TCG AAG CTG AAA G-3' (SEQ ID NO: 84), RHO142: 21 mer: 5'-CTT CTC GGG CTT TAT CGA CTG-3' (SEQ ID NO: 85), RHO143: 22 mer: 5'-TAA GGT CGG TCT TGA CAA ACA G-3' (SEQ ID NO: 86), RHO184: 24 mer: 5'-AGT AGT CCC CGA TTT GGT AGT TGA-3' (SEQ ID NO: 87), RHO185: 22 mer: 5'-GGC AGA GAG CAA AAA CAC GAG C-3' (SEQ ID NO: 88)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 4 min, 30 cycles/68.degree. C. 7 min].
[0335] C20 elongase knockout strains were obtained that showed no amplification of the wild-type allele (Wt allele) and the artificial neomycin-resistant gene allele (NeoR allele) and the hygromycin-resistant gene allele (HygR allele) (FIG. 20).
Example 3-9
Changes in Fatty Acid Composition by C20 Elongase Disruption
[0336] Parietichytrium sarkarianum SEK364, and the gene disrupted strains were cultured in GY media. Cells from the late stage of the logarithmic growth phase were centrifuged at 4.degree. C., 3,000 rpm for 10 min to form a pellet, suspended in 0.9% NaCl, and washed. The cells were further centrifuged at 4.degree. C., 3,000 rpm for 10 min, and the pellet was suspended in sterile water, and washed. After further centrifugation at 3,000 rpm for 10 min, the cells were freeze dried after removing the supernatant.
[0337] Then, 2 ml of methanolic KOH (7.5% KOH in 95% methanol) was added to the freeze dried cells, and, after being vortexed, the cells were ultrasonically disrupted (80.degree. C., 30 min). The cells were vortexed after adding sterile water (500 .mu.l), and vortexed again after adding n-hexane (2 ml). This was followed by centrifugation at 3,000 rpm for 10 min, and the upper layer was discarded. The cells were vortexed again after adding n-hexane (2 ml), and centrifuged at 3,000 rpm for 10 min. After discarding the upper layer, 6 N HCl (1 ml) was added to the remaining lower layer, and the mixture was vortexed. The mixture was vortexed again after adding n-hexane (2 ml). This was followed by centrifugation at 3,000 rpm for 10 min, and the upper layer was collected. The mixture was further vortexed after adding n-hexane (2 ml), centrifuged at 3,000 rpm for 10 min, and the upper layer was collected. The collected upper layer was then concentrated and dried with nitrogen gas. The concentrated dry sample was incubated overnight at 80.degree. C. after adding 3 N methanolic HCl (2 ml).
[0338] The sample was allowed to cool to room temperature, and 0.9% NaCl (1 ml) was added. The mixture was vortexed after adding n-hexane (2 ml). This was followed by centrifugation at 3,000 rpm for 10 min, and the upper layer was collected. The mixture was further vortexed after adding n-hexane (2 ml), centrifuged at 3,000 rpm for 10 min, and the upper layer was collected. After adding a small amount of anhydrous sodium sulfate to the collected upper layer, the mixture was vortexed, and centrifuged at 3,000 rpm for 10 min. After collecting the upper layer, the upper layer was concentrated and dried with nitrogen gas. The concentrated dry sample was dissolved in n-hexane (0.5 ml), and 1 .mu.l of the sample was GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0339] Column: HR-SS-10 (30 m.times.0.25 mm; Shinwa Chemical Industries Ltd.)
[0340] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0341] Carrier gas: He (1.3 mL/min).
[0342] As a result, knocking out the C20 elongase in the Parietichytrium sarkarianum SEK364 caused reduction of fatty acids of 22 or greater carbon chain length, and increased fatty acids of 20 carbon chain length (FIG. 21). FIG. 22 represents the proportions relative to the wild-type strain taken as 100%. As can be seen from these results, the arachidonic acid increased about ten-fold, and the EPA showed about an eight-fold increase. The DPA and DHA reduced to about 1/4 and about 1/5, respectively.
Example 4
Disruption of Thraustochytrium aureum PUFA PKS Pathway-Associated Gene OrfA
Example 4-1
Cloning of PUFA PKS Pathway-Associated Gene OrfA Upstream Sequence
[0343] Genomic DNA was extracted from the Thraustochytrium aureum ATCC 34304 by using the method described in Example 3-2, and the DNA concentration was calculated by measuring A260/280. By using this, a genome cassette library was produced with an LA PCR.TM. in vitro Cloning Kit (Takara Bio). A PCR lower primer [RHO20: 23mer: 5'-CGA TGA AAG GTC ACA GAA GAG TC-3' (SEQ ID NO: 89)] was set on the PUFA PKS pathway-associated gene OrfA described in Patent Document 7, and the DNA was amplified by using this primer in combination with the cassette primer attached to the kit [1st PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 56.degree. C. 30 sec, 72.degree. C. 4 min, 30 cycles/72.degree. C. 5 min]. The 1st PCR amplification product was diluted 100 times, and amplified with the PCR lower primer [RHO20] and the nested primer attached to the kit [2nd PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 56.degree. C. 30 sec, 72.degree. C. 4 min, 30 cycles/72.degree. C. 5 min]. The resulting DNA fragment was cloned into a pGEM-T easy vector, amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER).
[0344] The 3, 377-bp (SEQ ID NO: 91) DNA fragment containing the upstream 3,181 bp (SEQ ID NO: 90) of OrfA was cloned. The OrfA upstream DNA sequence was found to be 3,181 bp.
Example 4-2
Cloning of PUFA PKS Pathway-Associated Gene OrfA Downstream Sequence
[0345] The genome cassette library produced in Example 4-1 was used as a template. The DNA was amplified by using the method described in Example 4-1, using a PCR upper primer [RHO21: 21mer: 5'-CAG GGC GAG CGA GTG TGG TTC-3' (SEQ ID NO: 92)] set on the PUFA PKS pathway-associated gene OrfA described in Patent Document 7. The resulting DNA fragment was cloned into a pGEM-T easy vector, amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). The 1,204-bp DNA fragment (SEQ ID NO: 94) containing the downstream 1,160 bp (SEQ ID NO: 93) of OrfA was cloned.
[0346] The DNA was amplified by using the method described in Example 4-1 using the PCR upper primer [RHO28: 20mer: 5'-TGA TGC CGA TGC TAC AAA AG-3' (SEQ ID NO: 95] produced on SEQ ID NO: 94. The resulting DNA fragment was cloned into a pGEM-T easy vector, amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER).
[0347] The 1, 488-bp DNA fragment (SEQ ID NO: 96) containing the downstream sequence was cloned. The downstream DNA sequence of OrfA was found to be 2,551 bp in total (SEQ ID NO: 97).
Example 4-3
Production of PUFA PKS Pathway-Associated Gene OrfA Targeting Vector
[0348] By using the genomic DNA of Thraustochytrium aureum ATCC 34304 as a template, an 18S rDNA sequence (1,835 bp, SEQ ID NO: 98) was amplified with a PrimeSTAR HS DNA polymerase (Takara Bio). The PCR primers used are as follows. TMO30 was set on the 1885 rDNA sequence. TMO31 contains the 18S rDNA sequence and an EF1.alpha. promoter sequence [TMO30: 30mer: 5'-CGA ATA TTC CTG GTT GAT CCT GCC AGT AGT-3' (SEQ ID NO: 99), TNO31: 46mer: 5'-GTA ACG GCT TTT TTT GAA TTG CAG GTT CAC TAC GCT TGT TAG AAA C-3' (SEQ ID NO: 100)] [PCR cycles: 98.degree. C. 10 sec/98.degree. C. 10 sec, 58.degree. C. 30 sec, 72.degree. C. 2 min, 30 cycles/72.degree. C. 2 min]. Separately, by using the Thraustochytrium aureum ATCC 34304 genomic DNA as a template, the EF1.alpha. promoter sequence (661 bp, SEQ ID NO: 101) was amplified with a PrimeSTAR HS DNA polymerase (Takara Bio). The PCR primers used are as follows. TMO32 contains the 18S rDNA sequence and the EF1.alpha. promoter sequence. TMO33 contains the EF1.alpha. promoter sequence and an artificial neomycin-resistant gene sequence [TMO32: 46mer: 5'-GGT TTC CGT AGT GAA CCT GCA ATT CAA AAA AAG CCG TTA CTC ACA T-3' (SEQ ID NO: 102), TMO33: 46mer: 5'-GCG TGA AGG CCG TCC TGT TCA ATC ATC TAG CCT TCC TTT GCC GCT G-3' (SEQ ID NO: 103)] [PCR cycles: 98.degree. C. 10 sec/98.degree. C. 10 sec, 58.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 1 min].
[0349] By using the artificial neomycin-resistant gene as a template, the artificial neomycin-resistant gene sequence (835 bp, SEQ ID NO: 104) was amplified with a PrimeSTAR HS DNA polymerase (Takara Bio). The PCR primers used are as follows. TMO34 contains the EF1.alpha. promoter sequence and the artificial neomycin-resistant gene sequence. TMO35 contains the artificial neomycin-resistant gene sequence and the EF1.alpha. terminator sequence [TMO34: 45mer: 5'-CAT CGG CAA AGG AAG GCT AGA TGA TTG AAC AGG ACG GCC TTC ACG-3' (SEQ ID NO: 105), TMO 35: 46mer: 5'-GCG CAT AGC CGG CGC GGA TCT CAA AAG AAC TCG TCC AGG AGG CGG T-3' (SEQ ID NO: 106)] [PCR cycles: 98.degree. C. 10 sec/98.degree. C. 10 sec, 58.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 1 min].
[0350] Further, by using the Thraustochytrium aureum ATCC 34304 genomic DNA as a template, the EF1.alpha. terminator sequence (1249 bp, SEQ ID NO: 107) was amplified with a PrimeSTAR HS DNA polymerase (Takara Bio). The PCR primers used are as follows. TMO36 contains the artificial neomycin-resistant gene sequence and the EF1.alpha. terminator sequence. TMO37 was set within the EF1.alpha. terminator [TMO36: 46mer: 5'-TCC TGG ACG AGT TCT TTT GAG ATC CGC GCC GGC TAT GCG CCC GTG C-3' (SEQ ID NO: 108), TMO37: 30mer: 5'-CAC TGC AGC GAA AGA CGG GCC GTA AGG ACG-3' (SEQ ID NO: 109)] [PCR cycles: 98.degree. C. 10 sec/98.degree. C. 10 sec, 58.degree. C. 30 sec, 72.degree. C. 2 min, 30 cycles/72.degree. C. 2 min].
[0351] By using SEQ ID NOS: 98, 101, 104, and 107 as templates, a fusion PCR was performed according to the method described in Non-Patent Document 19. An LA taq Hot start version (Takara Bio) was used as the enzyme. The TMO30 (SEQ ID NO: 99) and TMO33 (SEQ ID NO: 103) set, and the TMO34 (SEQ ID NO: 105) and TMO37 (SEQ ID NO: 109) set were used for the first amplification. The TMO30 (SEQ ID NO: 99) and TMO37 (SEQ ID NO: 109) set was used for the second amplification. The PCR reaction was performed at a denature temperature of 98.degree. C. for 10 seconds, and the annealing and the extension reaction were appropriately adjusted according to the primer Tm value and the amplification fragment length (FIG. 23).
[0352] The DNA fragment (FIG. 23, SEQ ID NO: 110, 4,453 bp) joined as above was cut at the EcoRI site of the T. aureum 18S rDNA, and the NcoI site of the T. aureum EF1.alpha. terminator, and ligated to a pGEM-T easy vector-derived vector. This was named pRH5 (FIG. 24).
[0353] By using the Thraustochytrium aureum ATCC 34304 genomic DNA as a template, the DNA was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio), using PCR primers set in the upstream sequence found in Example 4-1 (SEQ ID NO: 90, and PUFA PKS pathway-associated gene OrfA described in Patent Document 7). The amplification yielded a 1,218-bp DNA fragment (SEQ ID NO: 111). This was used as the 5' homologous region of the targeting vector. The PCR primers used are as follows. An EcoRI site or a HindIII site was added as a linker sequence [RHO33: 32mer: 5'-CCC GAA TTC GGA CGA TGA CTG ACT GAC TGA TT-3' (SEQ ID NO: 112), RHO34: 28mer: 5'-CCC AAG CTT GTC TGC CTC GGC TCT TGG T-3' (SEQ ID NO: 113)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 57.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 3 min].
[0354] By using the Thraustochytrium aureum ATCC 34304 genomic DNA as a template, the DNA was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio) using the PCR primers set in the downstream sequence (SEQ ID NO: 97) found in Example 4-2. The amplification yielded a 1,000-bp DNA fragment (SEQ ID NO: 114). This was used as the 3' homologous region of the targeting vector. The PCR primers used are as follows. A linker sequence NcoI site was added to the both primers [RHO29: 28mer: 5'-CCC CCA TGG TGT TGC TGT GGG ATT GGT C-3' (SEQ ID NO: 115), RHO30: 30mer: 5'-CCC CCA TGG CTC GGT TAC ATC TCT GAG GAA-3' (SEQ ID NO: 116)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 57.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 3 min].
[0355] The amplified upstream sequence was joined to the EcoRI site and the HindIII site in the pRH5 of FIG. 24. The amplified downstream sequence was joined to the NcoI site. This vector was named pRH21.
[0356] The produced targeting vector (pRH21) using the artificial neomycin-resistant gene is shown in FIG. 25.
Example 4-4
Production of PUFA PKS Pathway-Associated Gene OrfA Targeting Vector (Hygromycin-Resistant Gene)
[0357] By using the pRH32 (FIG. 15) of Example 3-3 as a template, a ubiqitin promoter-hygromycin-resistant gene fragment (1,632 bp, SEQ ID NO: 117) was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio). The PCR primers used are as follows. RHO59 was set on the ubiquitin promoter, and a linker sequence HindIII site was added. RHO60 contains a hygromycin-resistant gene sequence stop codon, and has linker sequences SphI and SalI [RHO59: 36mer: 5'-CCC AAG CTT GCC GCA GCG CCT GGT GCA CCC GCC GGG-3' (SEQ ID NO: 118), RHO60: 43mer: 5'-CCC GCA TGC GTC GAC TAT TCC TTT GCC CTC GGA CGA GTG CTG G-3' (SEQ ID NO: 119)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min].
[0358] The amplified fragment was joined to the HindIII and SphI sites of the pRH21 (FIG. 25) of Example 4-3 (FIG. 26, pRH30).
[0359] By using the Thraustochytrium aureum ATCC 34304 genomic DNA as a template, the gene was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio) using the PCR primers produced in the downstream sequence (SEQ ID NO: 97) found in Example 4-2. The amplification yielded a 1,000-bp DNA fragment (SEQ ID NO: 120). This was used as the 3' homologous region of the targeting vector. The PCR primers used are as follows. A linker sequence SalI site was added to the both primers [RHO61: 29mer: 5'-CCC GTC GAC GTG TTG CTG TGG GAT TGG TC-3' (SEQ ID NO: 121), RHO62: 29mer: 5'-CCC GTC GAC TCG GTT ACA TCT CTG AGG AA-3' (SEQ ID NO: 122)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 57.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 3 min].
[0360] The amplified downstream sequence was joined to the SalI site of pRH30 (FIG. 26). This was named pRH33. The produced targeting vector (pRH33) using the hygromycin-resistant gene is shown in FIG. 27.
Example 4-5
Introduction of PUFA PKS Pathway-Associated Gene OrfA Targeting Vector
[0361] By using the targeting vectors produced in Examples 4-3 and 4-4 as templates, the gene was amplified with a PrimeSTAR Max DNA polymerase (Takara Bio) using the RHO030 (Example 4-3; SEQ ID NO: 116) and RHO33 (Example 4-3; SEQ ID NO: 112) as primers [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 60.degree. C. 30 sec. 72.degree. C. 1 min, 30 cycles/72.degree. C. 3 min]. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment obtained from using the pRH21 (FIG. 25) of Example 4-3 as a template was 3,705 bp, and had the following sequence order: Thraustochytrium aureum OrfA gene upstream-EF1.alpha. promoter sequence-artificial neomycin-resistant gene sequence-Thraustochytrium aureum OrfA gene downstream (SEQ ID NO: 123). The introduced fragment obtained from using the pRH33 (FIG. 27) of Example 4-4 as a template was 3,826 bp, and had the following sequence order: Upstream of Thraustochytrium aureum OrfA gene-ubiquitin promoter sequence-hygromycin-resistant gene sequence-downstream of Thraustochytrium aureum OrfA gene (SEQ ID NO: 124).
[0362] The Thraustochytrium aureum ATCC 34304 strain was cultured in a GY medium for 4 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was then introduced into cells corresponding to OD600=1 to 1.5 using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 1, 100 PSI). After a 4- to 6-hour recovery time, the cells with the introduced gene were applied onto a PDA agar plate medium (containing 2 mg/ml G418 or 2 mg/ml hygromycin). As a result, 100 to 200 drug resistant strains were obtained per penetration.
Example 4-6
Identification of PUFA PKS Pathway-Associated Gene OrfA Gene Targeting Homologous Recombinant
[0363] Genomic DNA was extracted from the Thraustochytrium aureum ATCC 34304, the hetero homologous recombinant, and the homo homologous recombinant (PKS pathway-associated gene disrupted strain) by using the method described in Example 3-2. The DNA concentration was calculated by measuring A260/280.
[0364] The genomic DNA was cut with restriction enzymes, and electrophoresed in about 2 to 3 .mu.g per well with a 0.7% SeaKem GTG agarose gel (Takara Bio). This was transferred to a nylon membrane, and hybridized at 54.degree. C. for 16 hours with the probes produced by using a DIG system (Roche Applied Science). The following primers were used for the probe production.
[0365] 5' end [RHO37: 22mer: 5'-GAA GCG TCC CGT AGA TGT GGT C-3' (SEQ ID NO: 125), RHO38: 21mer: 5'-GCC CGA GAG GTC AAA GTA CGC-3' (SEQ ID NO: 126)]
[0366] 3' end [RHO39: 20mer: 5'-GCG AGC CCA GGT CCA CTT GC-3' (SEQ ID NO: 127), RHO40: 22mer: 5'-CAG CCC GAT GAA AAA CTT GGT C-3' (SEQ ID NO: 128)]
[0367] PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 60.degree. C. 30 sec, 72.degree. C. 2 min, 30 cycles/72.degree. C. 3 min
[0368] The restriction enzymes used and the probe positions are as shown in FIG. 28. Detection of the hybridized probes was made by using the chromogenic method (NBT/BCIP solution).
[0369] Bands of the sizes expected from the homologous recombination of the drug resistant genes were observed in the analyses of both the 5' end and the 3' end (FIG. 29).
Example 4-7
Changes in Fatty Acid Composition by Disruption of PUFA PKS Pathway-Associated Gene OrfA
[0370] The Thraustochytrium aureum ATCC 34304 and the gene disrupted strain were cultured and freeze dried according to the methods of Example 3-9, and the fatty acids were methylesterificated, and GC analyzed.
[0371] FIG. 30 represents changes in fatty acid composition. FIG. 31 represents the proportions relative to the wild-type strain taken as 100%. As can be seen from these results, disrupting the PUFA PKS pathway-associated gene OrfA in the Thraustochytrium aureum tended to increase the DPA (C22: 5n-6) and decrease the DHA (C22: 6n-3).
Example 5
Disruption of C20 Elongase Gene in Thraustochytrium aureum OrfA Disrupted Strain
Example 5-1
Cloning of Upstream Sequence of Thraustochytrium aureum C20 Elongase Gene
[0372] The genome cassette library produced in Example 4-1 was used as a template. A PCR lower primer [RHO71: 22mer: 5'-GGG AGC GCA GGG AAA ACG GTC T-3' (SEQ ID NO: 129)] was produced on the C20 elongase gene upstream sequence (SEQ ID NO: 24) of Example 2-5, and the gene was amplified by using this primer with the cassette primer attached to the kit used in Example 4-1 [1st PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 56.degree. C. 30 sec, 72.degree. C. 4 min, 30 cycles/72.degree. C. 5 min]. The 1st PCR amplification product was diluted 100 times, and the gene was amplified by using the PCR lower primer [RHO72: 20mer: 5'-CCA GCC CAC GTC GTC GGA GC-3' (SEQ ID NO: 130)] with the nested primer attached to the kit used in Example 4-1 [2nd PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 56.degree. C. 30 sec, 72.degree. C. 4 min, 30 cycles/72.degree. C. 5 min]. The resulting DNA fragment was cloned into a pGEM-T easy vector, amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER).
[0373] The 2,297-bp DNA fragment (SEQ ID NO: 131) containing the upstream -3,277 bp to -981 bp region of the C20 elongase gene was cloned.
Example 5-2
Cloning of C20 Elongase Gene Downstream Sequence
[0374] The genome cassette library produced in Example 4-1 was used as a template. A PCR upper primer [RHO87: 23 mer: 5'-GCC GCT CAT GCC CAC GCT CAA AC-3' (SEQ ID NO: 132)] was produced on the C20 elongase gene downstream sequence (SEQ ID NO: 25) of Example 2-5, and the gene was amplified by using this primer with the cassette primer attached to the kit used in Example 4-1 [1st PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 56.degree. C. 30 sec, 72.degree. C. 4 min, 30 cycles/72.degree. C. 5 min]. The 1st PCR amplification product was diluted 100 times, and the gene was amplified by using the PCR lower primer [RHO73: 23 mer: 5'-CTT TCG GCT GCC AGG AAT CTA CG-3' (SEQ ID NO: 133)] with the nested primer attached to the kit used in Example 4-1 [2nd PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 56.degree. C. 30 sec, 72.degree. C. 4 min, 30 cycles/72.degree. C. 5 min]. The resulting DNA fragment was cloned into a pGEM-T easy vector, amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER).
[0375] The 2,189-bp DNA fragment (SEQ ID NO: 134) containing the downstream 1,106 bp to 3,294 bp region of the C20 elongase gene was cloned.
Example 5-3
Production of Blasticidin-Resistant Gene Cassette
[0376] A ubiquitin promoter sequence (618 bp, SEQ ID NO:135) was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio), using the Thraustochytrium aureum ATCC 34304 genomic DNA as a template. The PCR primers used are as follows. RHO53 was set on the ubiquitin promoter sequence, and contains a BglII linker sequence (Example 3-2, SEQ ID NO: 55). RHO48 contains the ubiquitin promoter sequence and a blasticidin-resistant gene sequence [RHO48: 58mer: 5'-CTT CTT GAG ACA AAG GCT TGG CCA TGT TGG CTA GTG TTG CTT AGG TCG CTT GCT GCT G-3' (SEQ ID NO: 136)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 1 min].
[0377] By using pTracer-CMV/Bsd/lacZ as a template, the blasticidin-resistant gene (432 bp, SEQ ID NO: 137) was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer. The PCR primers used are as follows. RHO47 contains the ubiquitin promoter sequence and the blasticidin-resistant gene sequence. RHO49 contains the blasticidin-resistant gene sequence, and has a BglII linker sequence [RHO47: 54mer:5'-AGC GAC CTA AGC AAC ACT AGC CAA CAT GGC CAA GCC TTT GTC TCA AGA AGA ATC-3' (SEQ ID NO: 138), RHO49: 38mer: 5'-CCC AGA TCT TAG CCC TCC CAC ACA TAA CCA GAG GGC AG-3' (SEQ ID NO: 139)][PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 1 min].
[0378] By using SEQ ID NOS: 135 and 137 as templates, a fusion PCR was performed with RHO53 (Example 3-2, SEQ ID NO: 55) and RHO49 (SEQ ID NO: 139) according to the method described in Non-Patent Document 19. An LA taq Hot start version (Takara Bio) was used as the enzyme. After the amplification performed under the following conditions, the product was digested with BglII [PCR cycles: 94.degree. C. 2 min/94.degree. C. 20 sec, 55.degree. C. 30 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 1 min (1.degree. C./10 sec from 55.degree. C. to 68.degree. C.)] (FIG. 32).
[0379] The fused Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter-pTracer-CMV/Bsd/lacZ-derived blasticidin-resistant gene (1,000 bp, SEQ ID NO: 140) was digested with BglII, and ligated to the BamHI site of the pRH27 (FIG. 11) of Example 3-1. The resulting plasmid was amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH38.
[0380] The product blasticidin-resistant gene cassette (pRH38) is shown in FIG. 33.
Example 5-4
Production of GFP-Fused Zeocin-Resistant Gene Cassette
[0381] By using the Thraustochytrium aureum ATCC 34304 genomic DNA as a template, a ubiquitin promoter sequence (812 bp, SEQ ID NO: 141) was amplified with a PrimeSTAR HS DNA polymerase with GC Buffer (Takara Bio). The PCR primers used are as follows. TMO38 was set on the ubiquitin promoter sequence. TMO39 contains the ubiquitin promoter sequence and an enhanced GFP gene sequence [TMO38: 29mer: 5'-TCG GTA CCC GTT AGA ACG CGT AAT ACG AC-3' (SEQ ID NO: 142), TMO39: 41mer: 5'-TCC TCG CCC TTG CTC ACC ATG TTG GCT AGT GTT GCT TAG GT-3' (SEQ ID NO: 143)] [PCR cycles: 98.degree. C. 10 sec/98.degree. C. 10 sec, 58.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 1 min].
[0382] By using the enhanced GFP gene sequence (clontech) as a template, an enhanced GFP gene sequence (748 bp, SEQ ID NO: 144) was amplified with a PrimeSTAR HS DNA polymerase (Takara Bio). The PCR primers used are as follows. TMO40 contains the ubiquitin promoter sequence and the enhanced GFP gene sequence. RHO91 contains the enhanced GFP sequence and a zeocin-resistant gene sequence [TMO40: 41mer: 5'-ACC TAA GCA ACA CTA GCC AAC ATG GTG AGC AAG GGC GAG GA-3' (SEQ ID NO: 145), RHO91: 58mer: 5'-GAA CGG CAC TGG TCA ACT TGG CGT CCA TGC CGA GAG TGA TCC CGG CGG CGG TCA CGA A-3' (SEQ ID NO: 146)] [PCR cycles: 98.degree. C. 10 sec/98.degree. C. 10 sec, 58.degree. C. 30 sec, 72.degree. C. 2 min, 30 cycles/72.degree. C. 2 min].
[0383] By using SEQ ID NOS: 141 and 144 as templates, a fusion PCR was performed with an LA taq Hot start version (Takara Bio) according to the method described in Non-Patent Document 19. TMO38 (SEQ ID NO: 142) and RHO91 (SEQ ID NO: 146) were used as primers, and the reaction was performed under the following conditions [PCR cycles: 94.degree. C. 2 min/94.degree. C. 20 sec, 55.degree. C. 30 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min (1.degree. C./10 sec from 55.degree. C. to 68.degree. C.)](FIG. 34, 1,519 bp, SEQ ID NO: 147).
[0384] By using SEQ ID NO: 147 as a template, the ubiquitin promoter sequence-enhanced GFP gene sequence (1,319 bp, SEQ ID NO: 148) was amplified with a PrimeSTAR HS DNA polymerase (Takara Bio). The primers used are as follows. RHO53 (Example 3-2, SEQ ID NO: 55) contains the ubiquitin promoter sequence, and has a BglII site. RHO91 (SEQ ID NO: 146) contains the enhanced GFP sequence and the zeocin-resistant gene sequence [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min].
[0385] By using pcDNA3.1 Zeo(+) as a template, the zeocin-resistant gene sequence (408 bp, SEQ ID NO: 149) was amplified with a PrimeSTAR HS DNA polymerase (Takara Bio).
[0386] RHO92 contains the enhanced GFP sequence and the zeocin-resistant gene sequence. RHO64 contains the zeocin-resistant gene sequence, and has a BglII site [RHO92: 54mer: 5'-CGC CGC CGG GAT CAC TCT CGG CAT GGA CGC CAA GTT GAC CAG TGC CGT TCC GGT-3' (SEQ ID NO: 150), RHO64: 38mer: 5'-CCC AGA TCT CAG TCC TGC TCC TCG GCC ACG AAG TGC AC-3' (SEQ ID NO: 151)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 1 min].
[0387] By using SEQ ID NOS: 148 and 149 as templates, a fusion PCR was performed with an LA taq Hot start version (Takara Bio) according to the method described in Non-Patent Document 19. RHO53 (Example 3-2, SEQ ID NO: 55) and RHO64 (SEQ ID NO: 151) were used as primers, and the reaction was performed under the following conditions [PCR cycles: 94.degree. C. 2 min/94.degree. C. 20 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min (1.degree. C./10 sec from 55.degree. C. to 68.degree. C.)] (FIG. 35).
[0388] The fused Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter-enhanced GFP gene-pcDNA3.1 Zeo (+)-derived zeocin-resistant gene (FIG. 35, 1,677 bp, SEQ ID NO: 152) was digested with BglII, and ligated to the BamHI site of the pRH27 (FIG. 11) of Example 3-1. The resulting plasmid was amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH51.
[0389] The product GFP-fused zeocin-resistant gene cassette (pRH51) is shown in FIG. 36.
Example 5-5
Production of Base Plasmid for C20 Elongase Gene Targeting Vector Production
[0390] By using the Thraustochytrium aureum ATCC 34304 genomic DNA as a template, the C20 elongase gene and the nearby sequences (2,884 bp, SEQ ID NO: 153) were PCR amplified with a PrimeSTAR HS DNA polymerase (Takara Bio). The PCR primers used are as follows. The both primers contain EcoRI linker sequences. KSO9 was set upstream of the C20 elongase gene (SEQ ID NO: 24), and KSO10 downstream of the C20 elongase gene (SEQ ID NO: 25) [KSO9: 50mer: 5'-CCC GAA TTC ACT AGT GAT TCT CCC GGG TGG ACC TAG CGC GTG TGT CAC CT-3' (SEQ ID NO: 154), KSO10: 40mer: 5'-CCC GAA TTC GAT TAT CCC GGG GCC GAG AAC GGG GTC GCC C-3' (SEQ ID NO: 155)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 3.5 min, 30 cycles/68.degree. C. 10 min]. A PrimeSTAR HS DNA Polymerase (Takara Bio) was used as the enzyme. After the amplification, the product was digested with EcoRI, and cloned into the EcoRI site of the pBluescript (SK) (stratagene) vector. After amplification with Escherichia coli, the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER) (FIG. 37).
[0391] By using the plasmid of FIG. 37 as a template, amplification was performed with a PrimeSTAR Max DNA Polymerase (Takara Bio), using a primer set of the reverse orientation prepared for the deletion of the C20 elongase gene sequence portion and the insertion of a BglII site (1,939 bp, SEQ ID NO: 156). The PCB primers used are as follows. The both primers have BglII linker sequences [RHO69: 38mer: 5'-CCC AGA TCT ACC TGT TTC CGG CTG GCT CCC GAG CCA TG-3' (SEQ ID NO: 157), RHO70: 38mer: 5'-CCC AGA TCT GGT CGC GTT TAC AAA GCA GCG CAG CAA CA-3' (SEQ ID NO: 158)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1.5 min, 30 cycles/68.degree. C. 1.5 min]. After the amplification performed under these conditions, the product was digested with BglII, and allowed to self ligate. The ligated sample was amplified with Escherichia coli, and the sequence was confirmed with a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH40.
[0392] The produced base plasmid (pBH40) for the production of the C20 elongase gene targeting vector is shown in FIG. 38.
Example 5-6
Production of Targeting Vectors (Blasticidin-Resistant Gene and GFP-Fused Zeocin-Resistant Gene)
[0393] The pRH38 (FIG. 33) of Example 5-3 was digested with BglII, and the DNA fragment containing the blasticidin-resistant gene cassette was ligated to the BglII site of the pRH40 (FIG. 38) of Example 5-5. This was named pRH43.
[0394] The pRH51 (FIG. 36) of Example 5-4 was digested with BglII, and the DNA fragment containing the GFP-fused zeocin-resistant gene cassette was ligated to the BqlII site of the pRH40 (FIG. 38) of Example 5-5. This was named pRH54.
[0395] The two targeting vectors (pRH43 and 54) produced are shown in FIG. 39.
Example 5-7
Introduction of C20 Elongase Gene Targeting Vector into Thraustochytrium aureum OrfA Disrupted Strain
[0396] By using the two targeting vectors produced in Example 5-6 as templates, the gene was amplified with a PrimeSTAR Max DNA polymerase (Takara Bio), using KSO11 and KSO12 as primers. KSO11 was set upstream of the Thraustochytrium aureum C20 elongase gene, and KSO12 downstream of the Thraustochytrium aureum C20 elongase gene [KSO11: 31mer: 5'-CTC CCG GGT GGA CCT AGC GCG TGT GTC ACC T-3' (SEQ ID NO: 159), KSO12: 27mer: 5'-ATC CCG GGG CCG AGA ACG CCC TCG CC-3' (SEQ ID NO: 160)][PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min]. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment obtained from using the pRH43 (FIG. 39) of Example 5-6 as a template was 3,215 bp, and had the following sequence order: Upstream of Thraustochytrium aureum C20 elongase gene-ubiquitin promoter-blasticidin-resistant gene sequence-SV40 terminator sequence-downstream of Thraustochytrium aureum C20 elongase gene (SEQ ID NO: 161). The introduced fragment obtained from using the pRH54 (FIG. 39) of Example 5-6 as a template was 3,887 bp, and had the following sequence order: Upstream of Thraustochytrium aureum C20 elongase gene-ubiquitin promoter-enhanced GFP gene sequence-zeocin-resistant gene sequence-SV40 terminator sequence-downstream of Thraustochytrium aureum C20 elongase gene (SEQ ID NO: 162).
[0397] The disrupted strain of the PUFA PKS pathway-associated gene OrfA gene described in Example 4 was cultured in a GY medium for 4 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was then introduced into cells corresponding to OD600=1 to 1.5 using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 am q, rupture disk: 1,100 PSI). After a 4- to 6-hour recovery time, the cells with the introduced gene were applied onto a PDA agar plate medium (containing 2 mg/ml G418 or 2 mg/ml hygromycin). As a result, 100 to 200 drug resistant strains were obtained per penetration.
Example 5-8
Identification of C20 Elongase Gene Gene Targeting Homologous Recombinant
[0398] Genomic DNA was extracted from the Thraustochytrium aureum and the C20 elongase gene disrupted strain of the Thraustochytrium aureum OrfA disrupted strain by using the method described in Example 3-2. The DNA concentration was calculated by measuring A260/280.
[0399] The genomic DNA was cut with restriction enzymes, and electrophoresed in about 2 to 3 .mu.g per well in a 0.7% SeaKem GTG agarose gel (Takara Bio). This was transferred to a nylon membrane, and hybridized at 51.degree. C. for 16 hours with the probes produced by using a DIG system (Roche Applied Science). The following primers were used for the probe production.
[0400] 5' end [RHO94: 21mer: 5'-ACG TCC GCT TCA AAC ACC TCG-3' (SEQ ID NO: 163), RHO95: 24mer: 5'-TCG GAA CAA CTG GAA CAA CTA AAG-3' (SEQ ID NO: 164)]
[0401] 3' end [RHO96: 22mer: 5'-ATG TCG CTC TCC TTC TTC TCA G-3' (SEQ ID NO: 165), RHO97: 21mer: 5'-TCG GCT CCT GGA AAG TGC TCT-3' (SEQ ID NO: 166)]
[0402] PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 58.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 3 min
[0403] The restriction enzymes used and the probe positions are as shown in FIG. 40. Detection of the hybridized probes was made by using a chromogenic method (NBT/BCIP solution).
[0404] Bands of the sizes expected from the homologous recombination of the drug resistant genes were observed in the analyses of both the 5' end and the 3' and (FIG. 41). It was found by the experiment that the Thraustochytrium aureum ATCC 34304 strain did not become auxotrophic even with the deletion of the PKS pathway-associated gene OrfA and the C20 elongase gene.
Example 5-9
Changes in Fatty Acid Composition by Disruption of C20 Elongase Gene in Thraustochytrium aureum OrfA Disrupted Strain
[0405] The Thraustochytrium aureum ATCC 34304 and the gene disrupted strain were cultured and freeze dried according to the method of Example 3-9, and the fatty acids were methylesterificated, and GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0406] Column: HR-SS-10 (30 m.times.0.25 am; Shinwa Chemical Industries Ltd.)
[0407] Column temperature: 150.degree. C..fwdarw.(5'C/min).fwdarw.220.degree. C. (10 min)
[0408] Carrier gas: He (1.3 mL/min).
[0409] Changes in fatty acid composition are represented in FIG. 42. FIG. 43 represents the proportions relative to the wild-type strain taken as 100.
[0410] As can be seen from these results, disrupting the C20 elongase gene in the Thraustochytrium aureum OrfA disrupted strain increased the C20:4n-6 (AA) about eight-fold, and the C20:5n3 (EPA) about four-fold, and decreased the C22:6n-3 (DHA) to about 1/5.
Example 6
Expression of 3 Desaturase Gene in Thraustochytrium aureum OrfA Disrupted Strain
Example 6-1
Cloning of Saprolegnia diclina-Derived .omega.3 Desaturase Gene and Production of Gene Expression Plasmid
[0411] Genomic DNA was extracted from the Thraustochytrium aureum ATCC 34304 by using the method of Example 3-2, and the DNA concentration was calculated by measuring A260/280. By using this as a template, the ubiquitin promoter sequence (longer) (812 bp, SEQ ID NO: 167) was amplified with an LA Taq with GC Buffer (Takara Bio, Buffer II was used). The PCR primers used are as follows. TMO42 was set on the ubiquitin promoter sequence, upstream of RHO53 (Example 3-2, SEQ ID NO: 55), and contains a KpnI linker sequence. TMO43 contains the ubiquitin promoter sequence and a Saprolegnia diclina-derived .omega.3 desaturase gene sequence [TMO42: 29mer: 5'-TCG GTA CCC GTT AGA ACG CGT AAT ACG AC-3' (SEQ ID NO: 168), TMO43: 45mer: 5'-TTC GTC TTA TCC TCA GTC ATG TTG GCT AGT GTT GCT TAG GTC GCT-3' (SEQ ID NO: 169)] [PCR cycles: 96.degree. C. 2 min/98.degree. C. 20 sec, 60.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 1 min].
[0412] Then, Saprolegnia diclina was cultured in a medium (adjusted with deionized water) containing D-Glucose (31.8 g) and yeast extract (10.6 g) per liter. Cells in the late stage of the logarithmic growth phase were centrifuged at 4.degree. C., 3,500.times.g for 5 min to form a pellet, and disrupted by being frozen with liquid nitrogen. After being extracted with phenol, the cell disruption liquid was precipitated with ethanol, and the precipitate was dissolved in a TE solution. The nucleic acids dissolved in the TE solution were treated with RNase at 37.degree. C. for 30 min to degrade RNA. After being reextracted with phenol, the product was precipitated with ethanol, and the precipitate was dissolved in a TE solution. The DNA purity and concentration were calculated by measuring A260/280. By using the resulting Saprolegnia diclina genomic DNA as a template, the Saprolegnia diclina-derived .omega.3 desaturase gene sequence (1,116 bp, SEQ ID NO: 170) was amplified with an LA Taq with GC Buffer (Takara Bio, Buffer II was used). The PCR primers used are as follows. TMO44 contains the ubiquitin promoter sequence and the Saprolegnia diclina-derived .omega.3 desaturase gene sequence. TMO45 contains the Saprolegnia diclina-derived .omega.3 desaturase gene sequence and the ubiquitin terminator [TMO44: 43mer: 5'-CCT AAG CAA CAC TAG CCA ACA TGA CTG AGG ATA AGA CGA AGG T-3' (SEQ ID NO: 171), TMO45: 40mer: 5'-ATA CTA CAG ATA GCT TAG TTT TAG TCC GAC TTG GCC TTG G-3' (SEQ ID NO: 172)] [PCR cycles: 96.degree. C. 2 min/98.degree. C. 20 sec, 60.degree. C. 30 sec, 72.degree. C. 1 min 30 sec, 30 cycles/72.degree. C. 1 min 30 sec].
[0413] By using the Thraustochytrium aureum ATCC 34304 genomic DNA as a template, the ubiquitin terminator sequence (614 bp, SEQ ID NO: 173) was amplified with an LA Taq with GC Buffer (Takara Bio, Buffer II was used). The primers used are as follows. TMO46 contains the Saprolegnia diclina-derived .omega.3 desaturase gene sequence and the ubiquitin terminator. TMO47 was designed on the ubiquitin terminator sequence, and contains a KpnI linker sequence [TMO46: 44mer: 5'-CCA AGG CCA AGT CGG ACT AAA ACT AAG CTA TCT GTA GTA TGT GC-3' (SEQ ID NO: 174), TMO47: 45mer: 5'-TCG GTA CCA CCG CGT AAT ACG ACT CAC TAT AGG GAG ACT GCA GTT-3' (SEQ ID NO: 175)] [PCR cycles: 96.degree. C. 2 min/98.degree. C. 20 sec, 60.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 1 min].
[0414] By using SEQ ID NOS: 167, 170, and 173 as templates, a fusion PCR was performed with TMO42 (SEQ ID NO: 168) and TMO47 (SEQ ID NO: 175) according to the method described in Non-Patent Document 19. An LA Taq with GC Buffer (Takara Bio, Buffer II was used) was used as the enzyme, and the amplification was performed under the following conditions [PCR cycles: 96.degree. C. 2 min/98.degree. C. 20 sec, 55.degree. C. 30 sec, 68.degree. C. 3 min, 30 cycles/68.degree. C. 3 min (1.degree. C./10 sec from 55.degree. C. to 68.degree. C.] (FIG. 44, 2,463 bp, SEQ ID NO: 176).
[0415] By using the pRH38 (FIG. 33) of Example 5-3 as a template, a PCR was performed with RHO84 (SEQ ID NO: 177, the sequence is presented below) and RHO52 (Example 3-1, SEQ ID NO: 52). RHO84 was set on the ubiquitin promoter, and has a KpnI linker sequence. RHO52 was set on the SV40 terminator sequence, and has a BglII linker. An LA taq Hot start version was used as the enzyme, and, after the amplification performed under the following conditions, the product was cloned into a pGEM-T easy vector [RHO84: 36mer: 5'-CCC GGT ACC GCC GCA GCG CCT GGT GCA CCC GCC GGG-3' (SEQ ID NO: 177)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min 30 sec, 30 cycles/68.degree. C. 3 min]. After amplification with Escherichia coli, the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH45 (FIG. 45).
[0416] The fused Thraustochytrium aureum ATCC 34304-derived ubiquitin promoter-Saprolegnia diclina-derived .omega.3 desaturase gene-Thraustochytrium aureum ATCC 34304-derived ubiquitin terminator (SEQ ID NO: 176; FIG. 44) was digested with KpnI, and ligated to the KpnI site of pRH45 (FIG. 45). The resulting plasmid was amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH48.
[0417] The product Saprolegnia diclina-derived .omega.3 desaturase gene expression plasmid (pRH48) is shown in FIG. 46.
Example 6-2
Introduction of Saprolegnia diclina-Derived .omega.3 Desaturase Expression Plasmid into Thraustochytrium aureum OrfA Disrupted Strain
[0418] By using the targeting vector produced in Example 6-1 as a template, DNA was amplified with a PrimeSTAR Max DNA polymerase (Takara Bio), using TMO42 (SEQ ID NO: 168) and RHO52 (Example 3-1, SEQ ID NO: 52) as primers [PCR cycles: 94.degree. C. 30 sec, 72.degree. C. 1 min, 5 cycles/94.degree. C. 30 sec, 70.degree. C. 30 sec, 72.degree. C. 1 min, 5 cycles/94.degree. C. 30 sec, 68.degree. C. 30 sec, 72.degree. C. 1 min, 25 cycles/72.degree. C. 2 min]. The amplification product was collected from the 1.0% agarose gel, and precipitated with ethanol. The precipitate was then dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment obtained by PCR was 3,777 bp, and had the following sequence order: ubiquitin promoter-.omega.3 desaturase gene-ubiquitin terminator-ubiquitin promoter-blasticidin-resistant gene sequence-SV40 terminator sequence (SEQ ID NO: 178).
[0419] The Thraustochytrium aureum OrfA disrupted strain produced in Example 4 was cultured in a GY medium for 4 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was then introduced into cells corresponding to OD600=1 to 1.5 using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 1,100 PSI). After a 4- to 6-hour recovery time, the cells with the introduced gene were applied to a PDA agar plate medium (containing 0.2 mg/MI blasticidin). As a result, 20 to 30 drug resistant strains were obtained per penetration.
Example 6-3
Acquisition of Saprolegnia diclina-Derived 0.3 Desaturase Gene Expression Strain
[0420] Genomic DNA was extracted from the Thraustochytrium aureum OrfA disrupted strain produced in Example 3 and the .omega.3 desaturase gene expressing strain by using the method described in Example 3-2. The DNA concentration was calculated by measuring A260/280. By using this as a template, a PCR was performed with an LA taq Hot start version to confirm the genome structure. The positions of the primers, combinations used for the amplification, and the expected size of the amplification product are shown in FIG. 47. TMO42 (Example 6-1, SEQ ID NO: 168) was set on the ubiquitin promoter. RHO49 (Example 5-3, SEQ ID NO: 139) was set on the blasticidin-resistant gene [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 4 min, 30 cycles/68.degree. C. 7 min].
[0421] The result of the amplification confirmed a band of the expected size (FIG. 48). That is, a strain was isolated that contained the introduced expression fragment stably introduced into its genome.
Example 6-4
Changes in Fatty Acid Composition by .omega.3 Desaturase Expression in PUFA PKS Pathway Disrupted Strain
[0422] The Thraustochytrium aureum OrfA disrupted strain produced in Example 4, and the .omega.3 desaturase expressing strain produced in Example 6-3 were cultured by using the method described in Example 3-9. After freeze drying, the fatty acids were methylesterificated, and GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0423] Column: HR-SS-10 (30 m.times.0.25 mm; Shinwa Chemical Industries Ltd.)
[0424] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0425] Carrier gas: He (1.3 mL/min).
[0426] The .omega.3 desaturase expressing strain had reduced levels of the n-6 series fatty acids, and there was a tendency for the n-3 series fatty acids to increase (FIG. 49). FIG. 50 represents the proportions relative to the wild-type strain taken as 100%.
[0427] As a result, the arachidonic acid was reduced to about 1/7, and the DPA to about 1/10. EPA and DMA increased by a factor of about 3.
Example 7
Disruption of Thraustochytrium roseum C20 Elongase Gene
Example 7-1
Cloning of T. roseum-Derived C20 Elongase Gene
[0428] A forward denatured oligonucleotide (ELO20F; 5'-ATH GAR TWY TKB RTI TTY GTI CA-3') (SEQ ID NO: 179) and a reverse denatured oligonucleotide (ELO20R; 5'-TAR TRI SWR TAC ATI ADI AMR TG-3') (SEQ ID NO: 180) were synthesized by targeting a conserved region in the C20 elongase gene of the Thraustochytrium roseum ATCC 28210 strain. Then, a PCR was performed with an Advantage 2 Polymerase Nix (Clontech), using the T. roseum genomic DNA extracted by using the same technique described in the method of Example 2-5 as a template [PCR cycles: 94.degree. C. 1 min/94.degree. C. 30 sec, 55.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C..infin.]. The resulting specific product was isolated by 2' agarose gel electrophoresis, and purified. The DNA fragment was then TA cloned with a pGEM-T easy Vector (Promega), and the base sequence was analyzed. The sequence showed significant sequence identity with the sequence of a known T. aureum-derived C20 elongase gene, suggesting that the sequence was a partial sequence of the T. roseum-derived C20 elongase gene.
[0429] This was followed by cloning of the T. roseum-derived C20 elongase gene by 3'- and 5'-RACE, as in Example 2-2. First, the following oligonucleotide primers were designed.
[0430] Forward oligonucleotide primer (8 F1; 5'-CTG ACA AAG TTT CTC GAC TGG AGC GAC A-3') (SEQ ID NO: 181)
[0431] Reverse oligonucleotide primers (8 R1; 5'-TAC GCG GCG GTG CCC GAG CCC CAG-3') (SEQ ID NO: 182) and (8 R2; 5'-TGC CGA TCG TTG CGT GGT GGA ACA CCT G-3') (SEQ ID NO: 183)
[0432] This was followed by 3'- and 5'-RACE using a synthetic adapter-specific oligonucleotide, and the oligonucleotide 8 F1 or 8 R1, using the cDNA library created with a SMART.TM. RACE cDNA Amplification Kit (clontech) as a template [PCR cycles: 94.degree. C. 30 sec 5 cycles/94.degree. C. 30 sec, 70.degree. C. 30 sec, 72.degree. C. 3 min, 5 cycles/94.degree. C. 30 sec, 68.degree. C. 30 sec, 72.degree. C. 3 min, 25 cycles/4.degree. C..infin.]. In the 5'RACE, a nested PCR was performed by using a synthetic adapter-specific oligonucleotide and the oligonucleotide 8 R2, using the RACE product as a template [PCR cycles: 94.degree. C. 1 min/94.degree. C. 30 sec, 68.degree. C. 30 sec, 72.degree. C. 3 min, 25 cycles/72.degree. C. 10 min/4.degree. C..infin.]. The both specific products were gel purified, and the base sequence was analyzed after being TA cloned with a pGEM-T easy Vector (Promega). There was a complete match with the T. aureum ATCC 34304-derived C20 elongase (TaELO2) (SEQ ID NO: 16) of Example 2-2.
[0433] Then, a forward oligonucleotide (8 ORF F; 5'-ATG GCG ACG CGC ACC TCG AA-3') (SEQ ID NO: 184) and a reverse oligonucleotide (8 ORF R; 5'-TTA CTC GGA CTT GGT GGG GGC G-3') (SEQ ID NO: 185) for amplifying a putative translated sequence were synthesized, and a PCR was performed with an Advantage GC 2 polymerase Mix (Clontech), using the T. roseum genomic DNA as a template [PCR cycles: 94.degree. C. 1 min/94.degree. C. 30 sec, 65.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C..infin.]. The resulting specific product was gel purified, and the base sequence was analyzed by direct sequencing. The T. roseum-derived C20 elongase gene was found to be identical to the TaELO2. As demonstrated above, the sequence had a complete match with the sequence of the Thraustochytrium aureum C20 elongase. The base sequence is represented by SEQ ID NO: 186, and the amino acid sequence by SEQ ID NO: 187.
Example 7-2
Production of Base Plasmid for C20 Elongase Gene Targeting Vector Production
[0434] The Thraustochytrium aureum ATCC 34304 strain was cultured in a GY medium. Cells at the late stage of the logarithmic growth phase were centrifuged at 4.degree. C., 3,500.times.g for 5 min to form a pellet, and disrupted after being frozen with liquid nitrogen. After being extracted with phenol, the cell disruption liquid was precipitated with ethanol, and the precipitate was dissolved in a TE solution. The nucleic acids dissolved in the TE solution were treated with RNase at 37.degree. C. for 30 min to degrade the RNA. After being reextracted with phenol, the product was precipitated with ethanol, and the precipitate was dissolved in a TE solution. The DNA concentration was calculated by measuring A260/280. By using this as a template, the sequence (3,193 bp, SEQ ID NO: 188) containing the C20 elongase gene sequence was amplified with an LA taq Hot start version (Takara Bio) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 1 min, 30 cycles/68.degree. C. 2 min]. The E2 KO ProF EcoRV (SEQ ID NO: 33) and E2KO TermR EcoRV (SEQ ID NO: 34) of Example 2-8 were used as PCR primers. The resulting DNA fragment was cloned into a pGEM-T easy vector (Promega), amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH59 (FIG. 51).
[0435] By using the pRH59 (FIG. 51) as a template, amplification was performed with a PrimeSTAR Max DNA Polymerase (Takara Bio) using a primer set of the reverse orientation prepared for the insertion of the BglII site in a portion halfway along the C20 elongase gene sequence. The primers used are as follows. The both primers have BglII linker sequences [RHO120: 27 mer: 5'-GAC AAA GAT CTC GAC TGG AGC GAC CAC-3' (SEQ ID NO: 189), RHO121: 27 mer: 5'-GTC GAG ATC TTT TGT CAG GAG GTG CAC-3' (SEQ ID NO: 190)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 56.degree. C. 15 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 1 min]. After the amplification performed under these conditions, the product was digested with BglII, and allowed to self ligate. The ligated sample was amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH64. The C20 elongase gene sequence 951 bp with the inserted BglII site is represented by SEQ ID NO: 191.
[0436] The produced base plasmid (pRH64) for the production of the Thraustochytrium roseum C20 elongase gene targeting vector is shown in FIG. 52.
Example 7-3
Production of Targeting Vectors (Artificial Neomycin-Resistant Gene and Hygromycin-Resistant Gene)
[0437] The pRH31 (FIG. 13) of Example 3-2 was digested with BglII, and the DNA fragment containing an artificial neomycin-resistant gene cassette was ligated to the BglII site of the pRH64 (FIG. 52) of Example 7-2. This was named pRH65.
[0438] The pRH32 (FIG. 15) of Example 3-3 was digested with BglII, and the DNA fragment containing a hygromycin-resistant gene cassette was ligated to the BqlII site of the pRH64 (FIG. 52) of Example 7-2. This was named pRH66.
[0439] The two targeting vectors (pRH65 and 66) produced are shown in FIG. 53.
Example 7-4
Introduction of C20 Elongase Gene Targeting Vector
[0440] By using the two targeting vectors produced in Example 7-3 as templates, the gene was amplified with a PrimeSTAR GXL polymerase (Takara Bio), using a forward primer containing a translation initiation site (RHO130: 5'-ATG GCG ACG CGC ACC TCG AAG AG-3') (SEQ ID NO: 192) and a reverse primer containing a translation termination site (RHO131: 5'-TTA CTC GGA CTT GCT GGG GGC GC) (SEQ ID NO: 193) as primers [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 60 30 sec, 72.degree. C. 3 min, 30 cycles]. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment obtained from using the pRH65 (FIG. 53) of Example 7-3 as a template was 2, 655 bp, and had the following sequence order: First half of Thraustochytrium aureum C20 elongase gene-SV40 terminator sequence-artificial neomycin-resistant gene sequence-ubiquitin promoter sequence-second half of Thraustochytrium aureum C20 elongase gene (SEQ ID NO: 194). The introduced fragment obtained from using the pRH866 (FIG. 53) of Example 7-3 as a template was 2,887 bp, and had the following sequence order: First half of Thraustochytrium aureum C20 elongase gene-ubiquitin promoter sequence-hygromycin-resistant gene sequence-SV40 terminator sequence-second half of Thraustochytrium aureum C20 elongase gene (SEQ ID NO: 195).
[0441] The Thraustochytrium roseum strain was cultured in a GY medium for 7 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was then introduced into cells corresponding to OD600=1 to 1.5 using the gene-gun technique under the following conditions (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 900 PSI). After a 24-hour recovery time, the cells with the introduced gene were applied to a PDA plate medium (containing 2 mg/ml G418 or 2 mg/ml hygromycin).
[0442] As a result, about 20 drug resistant strains were obtained per penetration.
Example 7-5
Identification of C20 Elongase Gene Gene Targeting Homologous Recombinant
[0443] The Thraustochytrium roseum ATCC 28210 strain, the C20 elongase gene hetero homologous recombinant, and the C20 elongase gene homo homologous recombinant (gene disrupted strain) were cultured in GY media. The resulting cells were centrifuged at 4.degree. C., 3,000 rpm for 10 min to form a pellet, and lysed at 55.degree. C., 6 h/99.9.degree. C., 5 min after being suspended in a 20-.mu.l SNET solution [20 mM Tris-HCl; pH 8.0, 5 mM NaCl, 0.3% SDS, 200 .mu.g/ml Proteinase K (nacalai tesque)]. The resulting cell lysate was diluted 10 times and used as a template in a PCR performed with a Mighty Amp DNA polymerase (Takara Bio) to confirm the genome structure. The positions of the primers, combinations used for the amplification, and the expected sizes of the amplification products are shown in FIG. 54. RoseumF and RoseumR were set upstream and downstream of the C20 elongase, respectively. NeoF and NeoR were set on the artificial neomycin-resistant gene. HygF and HygR were set on the hygromycin-resistant gene (RoseumF: 26 mer: 5'-GCT CGG CTG GAA GTT GAG TAG TTT GC-3' (SEQ ID NO: 196), RoseumR: 24 mer: 5'-TCT TTC TTC GTC GAC GTC CCA CTG-3' (SEQ ID NO: 197), NeoF: 24 mer: 5'-ATG ATT GAA CAG GAC GGC CTT CAC-3' (SEQ ID NO: 198), NeoR: 24 mer: 5'-TCA AAA GAA CTC GTC CAG GAG GCG-3' (SEQ ID NO: 199), HygF: 24 mer: 5'-ATG AAA AAG CCT GAA CTC ACC GCG-3' (SEQ ID NO: 200), HygR: 25 mer: 5'-CTA TTC CTT TGC CCT CGG ACG AGT G-3' (SEQ ID NO: 201) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 60.degree. C. 15 sec, 68.degree. C. 4 min, 30 cycles].
[0444] C20 elongase knockout strains were obtained that showed no amplification of the wild-type allele (Wt allele) but showed amplification of the artificial neomycin-resistant gene allele (NeoR allele) and hygromycin-resistant gene allele (HygR allele) (FIG. 55).
Example 7-6
Changes in Fatty Acid Composition by C20 Elongase Disruption
[0445] The Thraustochytrium roseum ATCC 28210 strain and the gene disrupted strain were cultured in GY media. Cells at the late stage of the logarithmic growth phase were centrifuged at 4.degree. C., 3,000 rpm for 10 min to form a pellet, suspended in 0.9% NaCl, and washed. The cells were further centrifuged at 4.degree. C., 3,000 rpm for 10 min, and the pellet was suspended in sterile water, and washed. This was centrifuged at 3,000 rpm for 10 min, and freeze dried after removing the supernatant. Then, 2 ml-methanolic KOH (7.5% KOH in 95% methanol) was added to the freeze dried cells, and, after being vortexed, the cells were ultrasonically disrupted (80.degree. C., 30 min). The cells were vortexed after adding sterile water (500 .mu.l), and vortexed again after adding n-hexane (2 ml). This was followed by centrifugation at 3,000 rpm for 10 min, and the upper layer was discarded. The cells were vortexed again after adding n-hexane (2 ml), and centrifuged at 3,000 rpm for 10 min. After discarding the upper layer, 6 N HCl (1 ml) was added to the remaining lower layer, and the mixture was vortexed. The mixture was vortexed again after adding n-hexane (2 ml). This was followed by centrifugation at 3,000 rpm for 10 min, and the upper layer was collected. The mixture was further vortexed after adding n-hexane (2 ml), centrifuged at 3,000 rpm for 10 min, and the upper layer was collected. The collected upper layer was then concentrated and dried with nitrogen gas. The concentrated dry sample was incubated overnight at 80.degree. C. after adding 3 N methanolic HCl (2 ml).
[0446] The sample was allowed to cool to room temperature, and 0.9% NaCl (1 ml) was added. The mixture was vortexed after adding n-hexane (2 ml). This was followed by centrifugation at 3,000 rpm for 10 min, and the upper layer was collected. The mixture was further vortexed after adding n-hexane (2 ml), centrifuged at 3,000 rpm for 10 min, and the upper layer was collected. After adding a small amount of anhydrous sodium sulfate to the collected upper layer, the mixture was vortexed, and centrifuged at 3,000 rpm for 10 min. After collecting the upper layer, the upper layer was concentrated and dried with nitrogen gas. The concentrated dry sample was dissolved in n-hexane (0.2 ml), and 2 .mu.l of the sample was GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0447] Column: HR-SS-10 (30 m.times.0.25 mm; Shinwa Chemical Industries Ltd.)
[0448] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0449] Carrier gas: Be (1.3 mL/min).
[0450] As a result, knocking out the C20 elongase in the Thraustochytrium roseum increased fatty acids of 20 carbon chain length (FIG. 56). FIG. 57 represents the proportions relative to the wild-type strain taken as 100%.
[0451] As can be seen from these results, the arachidonic acid increased about 1.2-fold, EPA about 1.6-fold, DPA about 1.2-fold, and DRA about 1.5-fold.
Example 8
Disruption of .DELTA.4 Desaturase Gene in Thraustochytrium aureum ATCC 34304 OrfA Disrupted Strain
Example 8-1
Cloning of Sequence from 1,071 bp Upstream of .DELTA.4 Desaturase Gene to 1,500 bp within .DELTA.4 Desaturase Gene in Thraustochytrium aureum ATCC 34304 Strain
[0452] The genomic DNA of the Thraustochytrium aureum ATCC 34304 strain extracted by using the method described in Example 3-2 was decoded. Then, a search was made for a gene sequence highly homologous to a known .DELTA.4 desaturase, and two PCR primers were designed by using the search result. TMO3 is a sequence located 1,071 to 1,049 bp upstream of the .DELTA.4 desaturase gene of the Thraustochytrium aureum ATCC 34304 strain. TMO4 is a sequence within the protein coding region, located 1,477 to 1,500 bp from the start codon [TMO3: 23 mer: 5'-GGC GGA GCG AAG TGT GAA AGT TA-3' (SEQ ID NO: 202), TMO4: 24 mer: 5'-GCG ACA GCA TCT TGA AAT AGG CAG-3' (SEQ ID NO: 203)]. By using the genomic DNA of the Thraustochytrium aureum ATCC 34304 strain as a template, the sequence from 1,071 bp upstream of the .DELTA.4 desaturase gene to 1,500 bp within the .DELTA.4 desaturase gene of the Thraustochytrium aureum ATCC 34304 strain was amplified with the two primers, using an LA taq Hot start version (Takara Bio). The amplification was performed under the following conditions [PCR cycles: 98.degree. C. 2 min/98.degree. C. 20 sec, 60.degree. C. 30 sec, 72.degree. C. 3 min, 30 cycles/72.degree. C. 8 min]. The resulting DNA fragment was cloned into a pGEM-T easy vector, amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pTM1 (FIG. 58).
Example 8-2
Production of Base Plasmid for .DELTA.4 Desaturase Gene Targeting Vector Production
[0453] By using the pTM1 (FIG. 50) of Example 8-1 as a template, a primer set of the reverse orientation was prepared in a manner that allows the 60 bp upstream of the .DELTA.4 desaturase gene and a 556-bp sequence containing the start codon within the 64 desaturase gene (616 bp, SEQ ID NO: 205) to be deleted, and a BglII site to occur in the deleted portion. TMO7 and TMO8 both contain BglII sequences. A PrimeSTAR Max DNA Polymerase (Takara Bio) was used for the amplification [TMO7: 25 mer: 5'-CAG GAG ATC TCC AAG TCG CGA TTC A-3' (SEQ ID NO: 206), TMO8: 26 mer: 5'-CTT GGA GAT CTC CTG CCC GTC CCG AA-3' (SEQ ID NO: 207)] [PCR cycles: 98.degree. C. 3 min/98.degree. C. 10 sec, 55.degree. C. 15 sec, 72.degree. C. 30 sec, 30 cycles/72.degree. C. 30 sec]. After the amplification performed under these conditions, the product was electrophoresed on an agarose gel, and purified. The resulting DNA fragment was introduced into Escherichia coli and amplified, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pTM2.
[0454] The product base plasmid (pTM2) for the .DELTA.4 desaturase gene targeting vector production is shown in FIG. 59.
Example 8-3
Production of Targeting Vectors (Blasticidin-Resistant Gene and GFP-Fused Zeocin-Resistant Gene)
[0455] The pRH38 (FIG. 33) of Example 5-3 was digested with BglII, and the DNA fragment containing a blasticidin-resistant gene cassette was ligated to the BglII site of the pTM2 (FIG. 59) of Example 8-2. This was named pTM6.
[0456] The pRH51 (FIG. 36) of Example 5-4 was digested with BglII, and the DNA fragment containing a GFP-fused zeocin-resistant gene cassette was ligated to the BglII site of the pTM2 (FIG. 59) of Example 8-2. This was named pTM8.
[0457] The two targeting vectors (pTN6 and 8) produced are shown in FIG. 60.
Example 8-4) Introduction of .DELTA.4 Desaturase Gene Targeting Vector into Thraustochytrium aureum OrfA Disrupted Strain
[0458] By using the two targeting vectors produced in Example 8-3 as templates, the gene was amplified with a PrimeSTAR HS DNA polymerase (Takara Bio), using TMO3 (Example 8-1; SEQ ID NO: 202) and TMO4 (Example 8-1; SEQ ID NO: 203) as primers [PCR cycles: 98.degree. C. 3 min/98.degree. C. 10 sec, 55.degree. C. 5 sec, 72.degree. C. 4 min, 30 cycles/72.degree. C. 3 min]. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment obtained from using the pTM6 (FIG. 60) of Example 8-3 as a template was 3,264 bp, and had the following sequence order: Upstream of Thraustochytrium aureum .DELTA.4 desaturase gene-SV40 terminator sequence-blasticidin-resistant gene sequence-ubiquitin promoter-sequence within Thraustochytrium aureum .DELTA.4 desaturase gene (SEQ ID NO: 208). The introduced fragment obtained from using the pTM8 (FIG. 60) of Example 8-3 as a template was 3,935 bp, and had the following sequence order: Upstream of Thraustochytrium aureum .DELTA.4 desaturase gene-SV40 terminator sequence-zeocin-resistant gene sequence-enhanced GFP gene sequence-ubiquitin promoter-sequence within Thraustochytrium aureum .DELTA.4 desaturase gene (SEQ ID NO: 209).
[0459] The gene disrupted strain of the PUFA PKS pathway-associated gene OrfA of Example 4 was cultured in a GY medium for 4 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was then introduced into cells corresponding to OD600=1 to 1.5 by using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 1,100 PSI). After a 4- to 6-hour recovery time, the cells with the introduced gene was applied to a PDA agar plate medium (containing 20 mg/ml Zeocin or 0.2 mg/ml blasticidin). As a result, 100 to 200 drug resistant strains were obtained per penetration.
Example 8-5
Identification of 44 Desaturase Gene Gene Targeting Homologous Recombinant
[0460] Genomic DNA was extracted from Thraustochytrium aureum, and the .DELTA.4 desaturase gene disrupted strain of the Thraustochytrium aureum OrfA disrupted strain by using the method of Example 3-2. The DNA concentration was calculated by measuring A260/280. By using this as a template, a PCR was performed with a Mighty Amp DNA polymerase (Takara Bio) to confirm the genome structure. The positions of the primers, combinations used for the amplification, and the expected sizes of the amplification products are shown in FIG. 61. TMO1 was set upstream of the .DELTA.4 desaturase gene. TMO2 was set downstream of the .DELTA.4 desaturase gene. RHO198 and RHO49 (Example 5-3; SEQ ID NO: 139) were set on the blasticidin-resistant gene. RHO128 was set on the enhanced GFP gene. RHO64 (Example 5-4; SEQ ID NO: 151) was set on the zeocin-resistant gene [TMO1: 23 mer: 5'-AAA AGA ACA AGC CCT CTC CTG GA-3' (SEQ ID NO: 210), TMO2: 23 mer: 5'-GAG GTT TGT ATG TTC GGC GGT TT-3' (SEQ ID NO: 211), RHO198: 26 mar: 5'-TGG GGG ACC TTG TGC AGA ACT CGT GG-3' (SEQ ID NO: 212), RHO128: 22 mer: 5'-GAC CTA CGG CGT GCA GTG CTT C-3' (SEQ ID NO: 213)][PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 4 min 30 sec, 30 cycles/68.degree. C. 4 min].
[0461] .DELTA.4 desaturase gene knockout strains were obtained that showed no amplification of the wild-type allele (Wt allele) but showed amplification of the blasticidin-resistant gene allele (BlaR allele) and zeocin-resistant gene allele (ZeoR allele) (FIG. 62). It was found by the experiment that the Thraustochytrium aureum ATCC 34304 strain did not become auxotrophic even with the deletion of the PKS pathway-associated gene OrfA and the .DELTA.4 desaturase gene.
Example 8-6
Changes in Fatty Acid Composition by Disruption of .DELTA.4 Desaturase Gene in Thraustochytrium aureum OzfA Disrupted Strain
[0462] The Thraustochytrium aureum ATCC 34304 and the gene disrupted strain were cultured by using the method of Example 3-9. After freeze drying, the fatty acids were methylesterificated, and GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0463] Column: HR-SS-10 (30 m.times.0.25 am; Shinwa Chemical Industries Ltd.)
[0464] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0465] Carrier gas: He (1.3 mL/min).
[0466] Changes in fatty acid composition are represented in FIG. 63. FIG. 64 represents the proportions relative to the wild-type strain taken as 100%.
[0467] As can be seen from the results, disrupting the 64 desaturase gene in the Thraustochytrium aureum OrfA disrupted strain resulted in hardly performing C22:5n-6 (DPA) and C22:6n-3 (DHA) biosyntheses, and C22:4n-6 (DTA) and C22:5n-3 (DPA) accumulated.
Example 9
Disruption of C20 Elongase Gene in Parietichytrium sp. SEK358 Strain
Example 9-1
Introduction of C20 Elongase Gene Targeting Vector into Parietichytrium sp. SEK358 Strain
[0468] By using the targeting vector produced with the pRH85 (FIG. 18) of Example 3-6 as a template, the gene was amplified with a PrimeSTAR Max DNA polymerase (Takara Bio), using RHO153 (Example 3-4; SEQ ID NO: 74) and RHO154 (Example 3-4; SEQ ID NO: 75) as primers [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min]. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment obtained from using the pRH85 (FIG. 18) of Example 3-6 as a template was 2,661 bp, and had the following sequence order: First half of Parietichytrium C20 elongase gene-SV40 terminator sequence-artificial neomycin-resistant gene sequence-ubiquitin promoter sequence-second half of Parietichytrium C20 elongase gene (Example 3-7; SEQ ID NO: 81). The Parietichytrium sp. SEK358 strain was cultured in a GY medium for 3 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was then introduced into cells corresponding to OD600=1 to 1.5 using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 900 PSI). After a 24-hour recovery time, the cells with the introduced gene were applied to a PDA agar plate medium containing 0.5 mg/ml G418. As a result, 10 to 30 drug resistant strains were obtained per penetration.
Example 9-2
Identification of C20 Elongase Gene Gene Targeting Homologous Recombinant
[0469] Genomic DNA was extracted from the Parietichytrium sp. SEK358 strain and the C20 elongase gene disrupted strain by using the method of Example 3-2. The DNA concentration was calculated by measuring A260/280. By using this as a template, a PCR was performed with a Mighty Amp DNA polymerase (Takara Bio) to confirm the genome structure. The positions of the primers, combinations used for the amplification, and the expected sizes of the amplification products are as described in Example 3-8 (FIG. 19).
[0470] RHO184 (Example 3-8; SEQ ID NO: 87) was set upstream of the C20 elongase. RHO185 (Example 3-8; SEQ ID NO: 88) was set downstream of the C20 elongase. RHO142 (Example 3-8: SEQ ID NO: 85) and RHO143 (Example 3-8; SEQ ID NO: 86) were set on the artificial neomycin-resistant gene [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 7 min].
[0471] C20 elongase knockout strains were obtained that showed no amplification of the wild-type allele (Wt allele), but showed amplification of the artificial neomycin-resistant gene allele (NeoR allele) (FIG. 65).
Example 9-3
Changes in Fatty Acid Composition by Disruption of C20 Elongase
[0472] The Parietichytrium sp. SEK358 strain and the gene disrupted strain were cultured by using the method of Example 3-9. After freeze drying, the fatty acids were methylesterificated, and GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0473] Column: HR-SS-10 (30 m.times.0.25 mm; Shinwa Chemical Industries Ltd.)
[0474] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0475] Carrier gas: Be (1.3 mL/min).
[0476] Changes in fatty acid composition are represented in FIG. 66. FIG. 67 represents the proportions relative to the wild-type strain taken as 100%. As can be seen from the results, knocking out the C20 elongase in the Parietichytrium sp. SEK358 strain caused reduction of fatty acids of 22 or greater carbon chain length, and increased fatty acids of 20 carbon chain length. Specifically, the arachidonic acid increased about seven-fold, and the EPA about eleven-fold. The DPA and DHA reduced to about 1/15 and about 1/8, respectively.
Example 10
Disruption of C20 Elongase Gene in Parietichytrium sp. SEK571 Strain
Example 10-1
Introduction of C20 Elongase Gene Targeting Vector into Parietichytrium sp. SEK571 Strain
[0477] By using the targeting vector produced with the pRH85 (FIG. 18) of Example 3-6 as a template, the gene was amplified with a PrimeSTAR Max DNA polymerase (Takara Bio), using RHO153 (Example 3-4; SEQ ID NO: 74) and RHO154 (Example 3-4; SEQ ID NO: 75) as primers [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min]. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment obtained from using the pRH85 (FIG. 18) of Example 3-6 as a template was 2,661 bp, and had the following sequence order: First half of Parietichytrium C20 elongase gene-SV40 terminator sequence-artificial neomycin-resistant gene sequence-ubiquitin promoter sequence-second half of Parietichytrium C20 elongase gene (Example 3-7; SEQ ID NO: 81). The Parietichytrium sp. SEK571 strain was cultured in a GY medium for 3 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was then introduced into cells corresponding to OD600=1 to 1.5 using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 1550 PSI). After a 24-hour recovery time, the cells with the introduced gene were applied to a PDA agar plate medium containing 0.5 mg/ml G418. As a result, 5 to 15 drug resistant strains were obtained per penetration.
Example 10-2
Identification of C20 Elongase Gene Gene Targeting Homologous Recombinant
[0478] Genomic DNA was extracted from the Parietichytrium sp. SEK571 strain and the C20 elongase gene disrupted strain by using the method of Example 3-2, and the DNA concentration was calculated by measuring A260/280. By using this as a template, a PCR was performed with a Mighty Amp DNA polymerase (Takara Bio) to confirm the genome structure. The positions of the primers, combinations used for the amplification, and the expected sizes of the amplification products are as described in Example 3-8 (FIG. 19).
[0479] RHO184 (Example 3-8: SEQ ID NO: 87) was set upstream of the C20 elongase. RHO185 (Example 3-8; SEQ ID NO: 88) was set downstream of the C20 elongase. RHO142 (Example 3-8; SEQ ID NO: 85) and RHO143 (Example 3-8; SEQ ID NO: 86) were set on the artificial neomycin-resistant gene ([PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 7 min].
[0480] C20 elongase knockout strains were obtained that showed no amplification of the wild-type allele (Wt allele), but showed amplification of the artificial neomycin-resistant gene allele (NeoR allele) (FIG. 68).
Example 10-3
Changes in Fatty Acid Composition by C20 Elongase Disruption
[0481] The Parietichytrium sp. SEK571 strain and the gene disrupted strain were cultured by using the method of Example 3-9. After freeze drying, the fatty acids were methylesterificated, and GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0482] Column: HR-SS-10 (30 m.times.0.25 m; Shinwa Chemical Industries Ltd.)
[0483] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0484] Carrier gas: He (1.3 mL/min).
[0485] Changes in fatty acid composition are represented in FIG. 69. FIG. 70 represents the proportions relative to the wild-type strain taken as 100%. As can be seen from the results, knocking out the C20 elongase in the Parietichytrium sp. SEK571 strain caused reduction of fatty acids of 22 or greater carbon chain length, and increased fatty acids of 20 carbon chain length. Specifically, the arachidonic acid increased about four-fold, and the EPA about eight-fold. The DPA and DHA both reduced to about 1/12.
Example 11
Disruption of Thraustochytrium aureum ATCC 34304-Derived .DELTA.12 Desaturase Gene
Example 11-1
Isolation of Thraustochytrium aureum ATCC 34304-Derived .DELTA.12 Desaturase Gene
[0486] By using the genomic DNA of the Thraustochytrium aureum ATCC 34304 as a template, a Thraustochytrium aureum ATCC 34304-derived .DELTA.12 desaturase gene was amplified by a PCR performed with a forward oligonucleotide primer T.omega.3-F1 (22 mer: 5'-ATG TGC AAG GTC GAT GGG ACA A-3') (SEQ ID NO: 214) and a reverse oligonucleotide primer T.omega.3-R1 (22 mer: 5'-TCA CAA ACA TCG CAG CCT TCG G-3') (SEQ ID NO: 215) (enzyme used: LA taq Hot Start Version, TaRaRa; PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 53.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C..infin.). As a result, a novel gene sequence having a 1,185-bp (SEQ ID NO: 217) ORF, encoding 395 amino acids (SEQ ID NO: 216) was obtained. In the amino acid sequence of the gene, three histidine boxes commonly conserved in desaturases, believed to construct the active site were conserved (FIG. 71). Further, because the gene showed high identity (411, 44%, 41%) at the amino acid level with the Thalassiosira pseudonana-, Micromonas sp.-, and Phaeodactylum tricornutum-derived .DELTA.12 desaturases in a Blast search (FIG. 71), it was strongly suggested that the gene was a Thraustochytrium aureum ATCC 34304-derived .DELTA.12 desaturase gene. In the following, the gene will be referred to as T.DELTA.12d.
Example 11-2
Expression of T.DELTA.12d using Budding Yeast Saccharomyces cerevisiae as Host, and Analysis of Fatty Acid Composition of Gene Introduced Strain
[0487] By using the genomic DNA of the Thraustochytrium aureum ATCC 34304 as a template, a DNA fragment containing HindIII and Xba I sites added to the both ends of T.DELTA.12d was prepared in a PCR performed with a forward oligonucleotide primer Tw3-Hind3-F (30 mer: 5'-GGA AGC TTA TGT GCA AGG TCG ATG GGA CAA-3') (SEQ ID NO: 218) and a reverse oligonucleotide primer Tw3-XbaI-R (29 mer: 5'-TTC TAG ACT AGA GCT TTT TGG CCG CAC GC-3') (SEQ ID NO: 219) (enzyme used: LA taqHot Start Version, TaKaRa; PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 53.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C..infin.). The DNA fragment was then incorporated in the HindIII/Xba I site of a pYES2/CT vector to construct a T.DELTA.12d expression vector pYESTD12. The pYESTD12 and pYES2/CT were then introduced into yeasts by using the lithium acetate method. In the GC analysis of the fatty acid composition of the T.DELTA.12d overexpressing strain (pYESTD12 introduced strain), novel peaks were confirmed at positions corresponding to the retention times of LA (C18:2.DELTA.9, 12) and C16:2.DELTA.9, 12, but not in the mock introduced strain (pYES2/CT introduced strain). FIG. 72 represents a GC analysis chart, and fatty acid levels per dry cell. On the other hand, no conversion activity for other fatty acids [LA, GLA (C18:3.DELTA.6, 9, 12), C20:2.DELTA.11,14, DGLA (C20:3.DELTA.8, 11,14), ARA (C20:4.DELTA.5, 8, 11,14), DTA (C22:4.DELTA.7, 10, 13,16)] was confirmed in the T.DELTA.12d overexpressinq strain. It became clear from these results that the T.DELTA.12d was a Thraustochytrium aureum ATCC 34304-derived .DELTA.12 desaturase gene.
Example 11-3
Construction of T.DELTA.12d Targeting Vector
[0488] By using the genomic DNA of the Thraustochytrium aureum ATCC 34304 as a template, the upstream and downstream sequences (1,001 bp each) of the T.DELTA.12d ORF were amplified in a PCR performed under the following conditions (enzyme used: PrimeSTAR GXL, TaKaRa); PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 53.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C..infin.). The following forward and reverse oligonucleotide primers were used.
[0489] TD12d-up-F (23 mer: 5'-AGT CAG CCC AGG CAC CGA TGA CG-3') (SEQ ID NO: 220) and TD12d-up-R (39 mer: 5'-AGC CAG AGC TAG ATC TCT TGT GCT CCT TTT CAA TCC TTT-3') (SEQ ID NO: 221)
[0490] TD12d-down-F (39 mer: 5'-GGA GCA CAA GAG ATC TAG CTC TGG CTC AAG GGA CAC CGT-3') (SEQ ID NO: 222) and TD12d-down-R (24 mer: 5'-CAC AGA AAC TGC CTT CAC GGG TCT-3') (SEQ ID NO: 223)
[0491] The resulting both DNA fragments were joined by fusion PCR with a Bgl II site inserted therebetween, and incorporated in a pGEM-T easy Vector (Promega). Then, the hygromycin-resistant gene cassette of Example 3-3, and the blasticidin-resistant gene cassette of Example 5-3 were incorporated at the Bgl II site of the resulting vector to construct T.DELTA.12d KO targeting vectors. These were named pTD12dKOHyg and pTD12dEOBla. The construction scheme of the T.DELTA.12d KO targeting vectors are shown in FIG. 73.
Example 11-4
Introduction of T.DELTA.12d Targeting Vector to Thraustochytrium aureum ATCC 34304, and Acquisition of T.DELTA.12d Disrupted Strain
[0492] In order to obtain an efficient homologous recombinant by using a split marker method, two homologous recombination fragments were amplified by a PCR performed by using pTD12dKOHyg as a template (enzyme used: LA taq Hot Start Version, TaKaRa; PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 60.degree. C. 30 sec, 72.degree. C. X min (X=1 min/kbp), 30 cycles/72.degree. C. 7 min/4.degree. C. .infin.](FIG. 74). The fragments were then introduced to the Thraustochytrium aureum ATCC 34304 by using the gene-gun technique. The following forward and reverse oligonucleotide primers were used for the amplification of the homologous recombination fragments.
[0493] TD12d-up-F (SEQ ID NO: 220) and Hyg-Knock-R (24 mer: 5'-TGT TAT GCG GCC ATT GTC CGT CAG-3') (SEQ ID NO: 224), and Hyg-Knock-F (24 mer: 5'-TGC GAT CGC TGC GGC CGA TCT TAG-3') (SEQ ID NO: 225) and TD12d-down-R (SEQ ID NO: 223)
[0494] As a result, a homologous recombinant with the disrupted T.DELTA.12d first allele was obtained. Thereafter, by using pTD12dKOBla as a template, a homologous recombination fragment for disrupting the second allele was amplified by a PCR performed with the forward and reverse oligonucleotide primers TD12d-up-F (SEQ ID NO: 220) and TD12d-down-R (SEQ ID NO: 223) (enzyme used: LA taq Hot Start Version, TaKaRa) [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 60.degree. C. 30 sec, 72.degree. C. 3 min, 30 cycles/72.degree. C. 7 min/4.degree. C. .infin.]. The fragment was then introduced to the homologous recombinant containing the disrupted first allele.
[0495] Complete disruption of T.DELTA.12d was verified by a PCR (using the genomic DNA below as a template) and a RT-PCR performed for the detection of hygromycin-resistant gene, blasticidin-resistant gene, and T.DELTA.12d, or by southern blotting.
[0496] FIG. 75 represents the amplification results for the hygromycin-resistant gene, blasticidin-resistant gene, and T.DELTA.12d amplified by a PCR performed by using the genomic DNAs of the wild-type strain, the T.DELTA.12d first allele disrupted strain, and the T.DELTA.12d disrupted strain (two alleles are disrupted) as templates.
[0497] As a result, amplification of the hygromycin-resistant gene and the blasticidin-resistant gene contained in the introduced homologous recombination fragment was confirmed in the T.DELTA.12d disrupted strain. However, no amplification of the disrupted T.DELTA.12d was confirmed. The following forward and reverse oligonucleotide primers were used for the amplification of the hygromycin-resistant gene, blasticidin-resistant gene, and T.DELTA.12d.
[0498] Hyg-F (26 mer: 5'-ATG AAA AAG CCT GAA CTC ACC GCG AC-3') (SEQ ID NO: 226) and Hyg-R (25 mer: 5'-CTA TTC CTT TGC CCT CGG ACG AGT G-3')(SEQ ID NO: 227), B1a-F (27 mer: 5'-ATG GCC AAG CCT TTG TCT CAA GAA GAA-3') (SEQ ID NO: 228), and B1a-R (30 mer: 5'-TTA GCC CTC CCA CAC ATA ACC AGA GGG CAG-3') (SEQ ID NO: 229), Tw3-F1 (SEQ ID NO: 214), and Tw3-R1 (SEQ ID NO: 215)
[0499] FIG. 76 represents the results of the mRNA detection performed by RT-PCR for the hygromycin-resistant gene, blasticidin-resistant gene, and T.DELTA.12d in the wild-type strain, the T.DELTA.12d first allele disrupted strain, and the T.DELTA.12d disrupted strain. As a result, mRNA was detected for the hygromycin-resistant gene and the blasticidin-resistant gene contained in the introduced homologous recombination fragment in the T.DELTA.12d disrupted strain. However, mRNA was not detected for the disrupted T.DELTA.12d. Note that the primers used are the same primers as used for the PCR in which the genomic DNA was used as a template.
[0500] By using the genomic DNA of the Thraustochytrium aureum ATCC 34304 as a template, two DIG-labeled probes were prepared, and southern blotting was performed with these probes. The following forward and reverse oligonucleotide primers were used for the preparation of the DIG-labeled probes.
[0501] KO up-probe-F1 (23 mer: 5'-GGG GTC GGC CGG TGC AGC CTT AG-3') (SEQ ID NO: 230) and KO up-probe-R1 (24 mer: 5'-GGC GGT CAG CGA TCG GTC GGA CTC-3') (SEQ ID NO: 231), and KO down-probe-F3 (23 mer: 5'-GCT TGC GGC TCC TGT TGG GTG AC-3') (SEQ ID NO: 232) and KO down-probe-R3 (23 mer: 5'-ACG CCT GGC TGC CCA CCA TAA AC-3') (SEQ ID NO: 233)
[0502] As a result, the bands of the wild-type allele (upstream side 2,028 bp, downstream side 2,334 bp) disappeared in the T.DELTA.12d disrupted strain, and bands of the homologous recombination fragments (upstream side 5,880 bp and 5,253 bp; downstream side 1,496 bp and 2,334 bp) containing the hygromycin-resistant gene and the blasticidin-resistant gene were detected instead (FIG. 77).
[0503] The PCR using the genomic DNA as a template, the RT-PCR, and southern blotting made it clear that the T.DELTA.12d was disrupted.
Example 11-5
Phenotypic Analysis of T.DELTA.12d Disrupted Strain
[0504] Cells cultured in a 250-ml GY liquid medium for 5 days were collected in 10 ml portions, and absorbance at OD 600 nm was measured (n=3). After the measurement, the cells were collected, and washed once with sterilized ultrapure water. After freeze drying, the dry cell weight was measured after 1-hour drying with a desiccator (n=3). As a result, no significant difference was observed in the proliferation among the wild-type strain, the first allele disrupted strain, and the T.DELTA.12d disrupted strain (FIG. 78). The wild-type strain, the first allele disrupted strain, and the T.DELTA.12d disrupted strain were GC analyzed for their fatty acid compositions.
[0505] As a result, large fatty acid composition changes were observed. Accumulation of C18:1n9 (OA) in the T.DELTA.12d disrupted strain was particularly prominent. FIG. 79 represents the proportion of each component in the fatty acid composition. FIG. 80 represents fatty acid levels per milligram of dry cells.
Example 12
Disruption of C20 Elongase Gene and Expression of .omega.3 Desaturase Gene in Thraustochytrium aureum ATCC 34304 OrfA Gene Disrupted Strain
Example 12-1
Production of C20 Elongase Gene Targeting and Saprolegnia diclina-Derived .omega.3 Desaturase Expression Vector (Blasticidin-Resistant Gene)
[0506] By using the pRH43 (FIG. 39) of Example 5-6 as a template, a primer set of the reverse orientation was prepared in a manner that allows the two restriction enzyme KpnI sites to be deleted, and a BamHI site to occur in the deleted portion. RHO189 and RHO190 both contain BamHI sequences. A PrimeSTAR Max DNA Polymerase (Takara Bio) was used for the amplification [RHO189: 28 mer: 5'-TTA GCG GGA TCC CAA TTC GCC CTA TAG T-3' (SEQ ID NO: 234), RHO190: 27 mer: 5'-AAT TGG GAT CCC GCT AAG TAT CTC CCG-3' (SEQ ID NO: 235)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 55.degree. C. 15 sec, 72.degree. C. 40 sec, 31 cycles/72.degree. C. 1 min]. After the amplification performed under these conditions, the product was electrophoresed on an agarose gel, and purified. The resulting DNA fragment was introduced into Escherichia coli and amplified, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH101 (FIG. 81).
[0507] By using the pRH101 as a template, a primer set of the reverse orientation was prepared in a manner that allows for insertion of a restriction enzyme KpnI site. RHO191 and RHO192 both contain KpnI sequences. A PrimeSTAR Max DNA Polymerase (Takara Bio) was used for the amplification [RHO191: 28 mer: 5'-AGA TCT GGT ACC GCA GCG CCT GGT GCA C-3' (SEQ ID NO: 236), RHO192: 27 mer: 5'-GCT GCG GTA CCA GAT CTG GTC GCG TTT-3' (SEQ ID NO: 237)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 55.degree. C. 15 sec, 72.degree. C. 40 sec, 31 cycles/72.degree. C. 1 min]. After the amplification performed under these conditions, the product was electrophoresed on an agarose gel, and purified. The resulting DNA fragment was introduced into Escherichia coli and amplified, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH102 (FIG. 82).
[0508] The pRH48 (FIG. 46) of Example 6-1 was digested with KpnI, and a DNA fragment containing a Saprolegnia diclina-derived .omega.3 desaturase expression cassette was ligated to the KpnI site of the pRH102 (FIG. 82). This was named pRH103.
[0509] The product C20 elongase gene targeting and Saprolegnia diclina-derived .omega.3 desaturase expression vector pRH103 is shown in FIG. 83.
Example 12-2
Introduction of C20 Elongase Gene Targeting and Saprolegnia diclina-Derived .omega.3 Desaturase Expression Vector into Thraustochytrium aureum OrfA Disrupted Strain
[0510] By using the C20 elongase gene targeting vector pRH54 (FIG. 39) of Example 5-6 as a template, the gene was amplified with a PrimeSTAR Max DNA polymerase (Takara Bio) using KSO11 (Example 5-7; SEQ ID NO: 159) and KSO12 (Example 5-7; SEQ ID NO: 160) as primers [PCP cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 68.degree. C. 2 min, 30 cycles/68.degree. C. 2 min]. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment was 3,887 bp, and had the following sequence order: Upstream of Thraustochytrium aureum C20 elongase gene-ubiquitin promoter-Enhanced GFP gene sequence-zeocin-resistant gene sequence-SV40 terminator sequence-downstream of Thraustochytrium aureum C20 elongase gene (Example 5-7; SEQ ID NO: 162). The C20 elongase gene targeting and Saprolegnia diclina-derived 3 desaturase expression vector pRH103 (FIG. 83) of Example 12-1 was digested with a restriction enzyme BamHI. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment was 5,611 bp, and had the following sequence order: Upstream of Thraustochytrium aureum C20 elongase gene-ubiquitin promoter-Saprolegnia diclina-derived 03 desaturase gene sequence-ubiquitin terminator-ubiquitin promoter-blasticidin-resistant gene sequence-SV40 terminator-downstream of Thraustochytrium aureum C20 elongase gene (SEQ ID NO: 238).
[0511] The PUFA PKS pathway-associated gene OrfA gene disrupted strain of Example 4 was cultured in a GY medium for 4 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was introduced into cells corresponding to OD600=1 to 1.5 by using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 1,100 PSI). After a 4- to 6-hour recovery time, the cells with the introduced gene were applied to a PDA agar plate medium (containing 20 mg/ml Zeocin or 0.2 mg/ml blasticidin). As a result, 20 to 60 drug resistant strains were obtained.
Example 12-3
Introduction of Homologous Recombinant Containing C20 Elongase Gene Targeting and Saprolegnia diclina-Derived .omega.3 Desaturase Expression Vector Inserted in Genome
[0512] Genomic DNA was extracted from the Thraustochytrium aureum PUFA PKS pathway-associated gene OrfA disrupted strain, the C20 elongase gene first allele homologous recombinant of the Thraustochytrium aureum OrfA disrupted strain, and the disrupted strain by using the method described in Example 3-2. The DNA concentration was then calculated by measuring A260/280.
[0513] The genomic DNA was cut with restriction enzymes, and electrophoresed on a 0.73 SeaKem GTG agarose gel (Takara Bio) in about 2 to 3 .mu.g per well. This was transferred to a nylon membrane, and hybridized at 51.degree. C. for 16 hours with probes produced with a DIG system (Roche Applied Science). RHO94 (Example 5-8; SEQ ID NO: 163) and RHO95 (Example 5-8; SEQ ID NO: 164) were used for the production of the 5'-end probe. RHO96 (Example 5-8; SEQ ID NO:165) and RHO97 (Example 5-8; SEQ ID NO: 166) were used for the production of the 3'-end probe. The amplification was performed under the following conditions, and an LA taq Hot start version (Takara Bio) was used for the amplification [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 58.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 3 min]. The restriction enzymes used, and the probe positions are as shown in FIG. 84. Detection of the hybridized probes was made by using a chromogenic method (NBT/BCIP solution). Bands of the sizes expected from the homologous recombination of the drug resistant genes were observed in the analyses of both the 5' end and the 3' end (FIG. 85).
Example 12-4
Disruption of C20 Elongase Gene in Thraustochytrium aureum OrfA Disrupted Strain and Changes in Fatty Acid Composition by Saprolegnia diclina-Derived 03 Desaturase Expression
[0514] The Thraustochytrium aureum ATCC 34304wild-type strain, and the Saprolegnia diclina-derived .omega.3 desaturase expressing strain with the double disruption of the PKS pathway (orfA gene) and the C20 elongase gene were cultured by using the method of Example 3-9. After freeze drying, the fatty acids were methylesterificated, and GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0515] Column: BR-SS-10 (30 m.times.0.25 m; Shinwa Chemical Industries Ltd.)
[0516] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0517] Carrier gas: He (1.3 mL/min).
[0518] Changes in fatty acid composition are represented in FIG. 86. FIG. 87 represents the proportions relative to the wild-type strain taken as 100%.
[0519] It was found as a result that disrupting the C20 elongase gene and expressing the Saprolegnia diclina-derived .omega.3 desaturase in the Thraustochytrium aureum OrfA disrupted strain increases the C20:4n-6 (AA) about six-fold and the C20:5n3 (EPA) about ten-fold, and decreases the C22:6n-3 (DMA) to about 1/16.
Example 13
Expression of 03 Desaturase Gene in Parietichytrium sp. SEK571 C20 Elongase Gene Disrupted Strain
Example 13-1
Production of Saprolegnia diclina-Derived .omega.3 Desaturase Expression Plasmid using Hygromycin as Drug-Resistance Marker
[0520] For the production of a Saprolegnia diclina-derived 03 desaturase expression plasmid using hygromycin as a drug-resistance marker, a plasmid pRH107 (FIG. 88) was used as the base plasmid after partially modifying the restriction enzyme site by subcloning the Parietichytrium C20 elongase upstream sequence (904 bp, SEQ ID NO: 239) and Parietichytrium C20 elongase downstream sequence (721 bp, SEQ ID NO: 240) into a pGEM-T easy vector. For reference, the total pRH107 sequence is presented (4,592 bp, SEQ ID NO: 241). The sequence as the base of the expression plasmid production is not actively used for the introduction of cells in this experiment, and as such it is not necessarily required to use pRH107 as the base vector in similar experiments. In conducting a similar experiment, a cloning vector having a KpnI site and a BamHI site in proximity can be used instead. Here, the sequence between the KpnI site and the BamHI site should be as short as possible, because it is introduced into cells as a linker between the .omega.3 desaturase gene expression cassette and the drug resistant gene expression cassette. In this experiment example, the sequence corresponds to the Parietichytrium C20 elongase downstream sequence 37 bp (SEQ ID NO: 242).
[0521] The pRH48 (FIG. 46) of Example 6-1 was digested with KpnI, and the DNA fragment containing the Saprolegnia diclina-derived .omega.3 desaturase gene cassette was ligated to the KpnI site of pRH107 (FIG. 88). This was named pRH108 (FIG. 89).
[0522] The pRH32 (FIG. 15) of Example 3-3 was digested with BglII, and the DNA fragment containing the hygromycin-resistant gene cassette was ligated to the BamHI site of pRH108 (FIG. 89). This was named pRH109 (FIG. 90).
Example 13-2
Introduction of Saprolegnia diclina-Derived .omega.3 Desaturase Expression Plasmid into Parietichytrium sp. SEK571 C20 Elongase Gene Disrupted Strain
[0523] By using the pRH109 (FIG. 90) produced in Example 13-1 as a template, the DNA was amplified with a PrimeSTAR Max DNA polymerase (Takara Bio), using TMO42 (Example 6-1, SEQ ID NO: 168) and RHO52 (Example 3-1, SEQ ID NO: 52) as primers [PCR cycles: 94.degree. C. 30 sec, 72.degree. C. 1 min, 5 cycles/94.degree. C. 30 sec, 70.degree. C. 30 sec, 72.degree. C. 1 min, 5 cycles/94.degree. C. 30 sec, 68.degree. C. 30 sec, 72.degree. C. 1 min, 25 cycles/72.degree. C. 2 min]. The amplification product was collected form a 1.0% agarose gel, and precipitated with ethanol. The precipitate was then dissolved in 0.1.times.TE. The DNA concentration was calculated by measuring A260/280. The introduced fragment obtained by the PCR was 4,448 bp, and had the following sequence order: Ubiquitin promoter-.omega.3 desaturase gene-ubiquitin terminator-ubiquitin promoter-hygromycin-resistant gene sequence-SV40 terminator sequence (SEQ ID NO: 243).
[0524] The Parietichytrium sp. SEK571 C20 elongase gene disrupted strain produced in Example 10 was cultured in a GY medium for 3 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was introduced into cells corresponding to OD600=1 to 1.5 by using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 1550 PSI). After a 24-hour recovery time, the cells with the introduced gene were applied to a PDA agar plate medium (containing 1.0 mg/ml hygromycin). As a result, 5 to 20 drug resistant strains were obtained per penetration.
Example 13-3
Acquisition of Saprolegnia diclina-Derived .omega.3 Desaturase Gene Expressing Strain
[0525] Genomic DNA was extracted from the Parietichytrium sp. SEK571 C20 elongase gene disrupted strain produced in Example 10 and the .omega.3 desaturase gene expressing strain by using the method described in Example 3-2, and the DNA concentration was calculated by measuring A260/280. By using this as a template, a PCR was performed with an LA taq Hot start version to confirm the genome structure. The positions of the primers, combinations used for the amplification, and the expected size of the amplification product are shown in FIG. 91. RHO90 (27 mer: 5'-CGT TAG AAC GCG TAA TAC GAC TCA CTA-3' SEQ ID NO: 244) was set on the ubiquitin promoter, and RHO141 (Example 3-8, SEQ ID NO: 84) was set on the hygromycin-resistant gene [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 68.degree. C. 4 min, 30 cycles/68.degree. C. 7 min].
[0526] The result of amplification confirmed a band of the expected size (FIG. 92). That is, a strain was isolated that contained the introduced expression fragment stably introduced into its genome.
Example 13-4
Changes in Fatty Acid Composition by .omega.3 Desaturase Expression in Parietichytrium sp. SEK571 C20 Elongase Gene Disrupted Strain
[0527] The Parietichytrium sp. SEK571 strain, and the 03 desaturase gene expressing strain were cultured by using the method of Example 3-9. After freeze drying, the fatty acids were methylesterificated, and GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0528] Column: HR-SS-10 (30 m.times.0.25 am; Shinwa Chemical Industries Ltd.)
[0529] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0530] Carrier gas: He (1.3 mL/min).
[0531] The .omega.3 desaturase expressing strain reduced levels of the n-6 series fatty acids, and there was a tendency for the n-3 series fatty acids to increase (FIG. 93). FIG. 94 represents the proportions relative to the wild-type strain taken as 100%. As a result, the arachidonic acid was reduced to about 1/2, and EPA increased by a factor of about 1.4.
Example 14
Disruption of Schizochytrium C20 Elongase Gene
Example 14-1
Cloning of Schizochytrium-Derived C20 Elongase Gene
[0532] By using the genomic DNA extracted from Schizochytrium as a template, a Schizochytrium-derived C20 elongase gene was amplified by a PCR performed with a forward oligonucleotide primer RHO134 (32 mer: 5'-CCC GGA TCC ATG GTG GCC AGC GAG GTG CTC AG-3') (SEQ ID NO: 245) containing a BamHI site, and a reverse oligonucleotide primer RHO135 (34 mer: 5'-CCC GGA TCC TTA GTC GCG CTT GAG CTC AGC ATC C-3') (SEQ ID NO: 246) containing a BamHI site (enzyme used: LA taq Hot Start Version, TaKaRa; PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 53.degree. C. 30 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 7 min/4.degree. C..infin.). The both specific products were gel purified, cloned into a pGEM-T easy vector (Promega), and amplified with Escherichia coli. The sequence was then confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pRH70 (FIG. 95). As a result of a base sequence analysis, a novel gene sequence having a 945-bp (SEQ ID NO: 248) ORF, encoding 315 amino acids (SEQ ID NO: 247) was obtained.
Example 14-2
Production of Base Plasmid for ?C20 Elongase Gene Targeting Vector Production
[0533] By using the pRH70 (FIG. 95) produced in Example 14-1 as a template, the gene was amplified with a Prime STAR Max DNA Polymerase (Takara Bio), using a primer set of the reverse orientation prepared for insertion of a BglII site in a portion halfway along the C20 elongase gene sequence. The primers used are as follows. The both had BglII linker sequences [RHO136: 25 mer: 5'-CAT CGA GAT CTT CGT GTT TGT CCA C-3' (SEQ ID NO: 249), RHO137: 25 mer: 5'-ACG AAG ATC TCG ATG CGG GCG TCC C-3' (SEQ ID NO: 250)] [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 56.degree. C. 15 sec, 72.degree. C. 1 min, 30 cycles/72.degree. C. 1 min]. After the amplification performed under these conditions, the product was digested with BglII, and allowed to self ligate. The ligated sample was amplified with Escherichia coli, and the sequence was confirmed by using a Dye Terminator Cycle Sequencing Kit (BECKMAN COULTER). This was named pPH71. The C20 elongase gene sequence 945 bp with the inserted BglII site is represented by SEQ ID NO: 251.
[0534] The product base plasmid (pRH71) for the production of the Schizochytrium C20 elongase gene targeting vector is shown in FIG. 96.
Example 14-3
Production of Targeting Vectors (Artificial Neomycin-Resistant Gene and Hygromycin-Resistant Gene)
[0535] The pRH31 (FIG. 13) of Example 2-2 was digested with BglII, and the DNA fragment containing an artificial neomycin-resistant gene cassette was ligated to the BglII site of the pRH71 (FIG. 96) of Example 14-2. This was named pRH73.
[0536] The pRH32 (FIG. 15) of Example 2-3 was digested with BglII, and the DNA fragment containing a hygromycin-resistant gene cassette was ligated to the BglII site of the pRH71 (FIG. 96) of Example 14-2. This was named pKS-SKO.
[0537] The two targeting vectors (pRH73 and pKS-SKO) produced are shown in FIG. 97.
Example 14-4
Introduction of C20 Elongase Gene Targeting Vector
[0538] By using the two targeting vectors produced in Example 14-3 as templates, the gene was amplified with a Prime STAR GXL polymerase, using a forward primer (SorfF: 20 mer: 5'-AGA TGG TGG CCA GCG AGG TG-3') (SEQ ID NO: 252) containing a translation initiation site, and a reverse primer (SorfR: 25 mer: 5'-TTA GTC GCG CTT GAG CTC AGC ATC C-3') (SEQ ID NO: 253) containing a translation termination site [PCR cycles: 98.degree. C. 2 min/98.degree. C. 30 sec, 60 30 sec, 72.degree. C. 3 min, 30 cycles]. After being extracted with phenol-chloroform and then with chloroform, the DNA was precipitated with ethanol, and the precipitate was dissolved in 0.1.times.TE. The DNA concentration was then calculated by measuring A260/280. The introduced fragment obtained from using the pRH73 (FIG. 97) of Example 14-3 as a template was 2,644 bp, and had the following sequence order: First half of Schizochytrium C20 elongase gene-SV40 terminator sequence-artificial neomycin-resistant gene sequence-ubiquitin promoter sequence-second half of Schizochytrium C20 elongase gene (SEQ ID NO: 254). The introduced fragment obtained from using the pKS-SKO (FIG. 97) of Example 14-3 as a template was 2, 881 bp, and had the following sequence order: First half of Schizochytrium C20 elongase gene-ubiquitin promoter sequence-hygromycin-resistant gene sequence-SV40 terminator sequence-second half of Schizochytrium C20 elongase gene (SEQ ID NO: 255).
[0539] The Schizochytrium sp. TY12Ab strain was cultured in a GY medium for 7 days, and cells in the logarithmic growth phase were used for gene introduction. The DNA fragment (0.625 .mu.g) was introduced into cells corresponding to OD600=1 to 1.5 using the gene-gun technique (microcarrier: 0.6-micron gold particles, target distance: 6 cm, chamber vacuum: 26 mmHg, rupture disk: 1,100 PSI). After a 24-hour recovery time, the cells with the introduced gene were applied to a PDA plate medium (containing 2 mg/ml G418 or 2 mg/al hygromycin).
[0540] As a result, about 20 drug resistant strains were obtained per penetration.
Example 14-5
Identification of C20 Elongase Gene Gene Targeting Homologous Recombinant
[0541] The Schizochytrium sp. TY12Ab strain (FERM BP-11421), the C20 elongase gene hetero homologous recombinant, and the C20 elongase gene homo homologous recombinant (gene disrupted strain) were cultured in GY media, and the resulting cells were centrifuged at 4.degree. C., 3,000 rpm for 10 min to form a pellet. The cells were then lysed at 55.degree. C., 6 h/99.9.degree. C., 5 min after being suspended in a 20-.mu.l SNET solution [20 mM Tris-HCl; pH 8.0, 5 mM NaCl, 0.3%, SDS, 200 .mu.g/ml Proteinase K (nacalai tesque)]. The resulting cell lysate was diluted 10 times and used as a template in a PCR performed with a Mighty Amp DNA polymerase (Takara Bio) to confirm the genome structure. The positions of the primers, and the expected size of the amplification product are shown in FIG. 98. The primers were used in the SorfF and SorfR combination used in Example 14-4 [PCR cycles: 98.degree. C. 2 min/98.degree. C. 10 sec, 60.degree. C. 15 sec, 68.degree. C. 4 min, 30 cycles].
[0542] C20 elongase knockout strains were obtained that showed no amplification of the wild-type allele (Wt allele), but showed amplification of the artificial neomycin-resistant gene allele (NeoR allele) and hygromycin-resistant gene allele (HygR allele) (FIG. 99).
Example 14-6
Changes in Fatty Acid Composition by C20 Elongase Disruption
[0543] The Schizochytrium sp. TY12Ab strain and the gene disrupted strain were cultured in GY media. Cells at the late stage of the logarithmic growth phase were centrifuged at 4.degree. C., 3,000 rpm for 10 min to form a pellet, suspended in 0.9% NaCl, and washed. The cells were further centrifuged at 4.degree. C., 3,000 rpm for 10 min, and the pellet was suspended in sterile water, and washed. This was centrifuged at 3,000 rpm for 10 min, and freeze dried after removing the supernatant. Then, 2 ml-methanolic KOH (7.5% KOH in 95% methanol) was added to the freeze dried cells, and, after being vortexed, the cells were ultrasonically disrupted (80.degree. C., 30 min).
[0544] The cells were vortexed after adding sterile water (500 .mu.l), and vortexed again after adding n-hexane (2 ml). This was followed by centrifugation at 3,000 rpm for 10 min, and the upper layer was discarded. The cells were vortexed again after adding n-hexane (2 ml), and centrifuged at 3,000 rpm for 10 min. After discarding the upper layer, 6 N HCl (1 ml) was added to the remaining lower layer, and the mixture was vortexed. The mixture was vortexed again after adding n-hexane (2 ml). This was followed by centrifugation at 3,000 rpm for 10 min, and the upper layer was collected. The mixture was further vortexed after adding n-hexane (2 ml), centrifuged at 3,000 rpm for 10 min, and the upper layer was collected. The collected upper layer was then concentrated and dried with nitrogen gas. The concentrated dry sample was incubated overnight at 80.degree. C. after adding 3 N methanolic HCl (2 ml).
[0545] The sample was allowed to cool to room temperature, and 0.9% NaCl (1 ml) was added. The mixture was vortexed after adding n-hexane (2 ml). This was followed by centrifugation at 3,000 rpm for 10 min, and the upper layer was collected. The mixture was further vortexed after adding n-hexane (2 ml), centrifuged at 3,000 rpm for 10 min, and the upper layer was collected. After adding a small amount of anhydrous sodium sulfate to the collected upper layer, the mixture was vortexed, and centrifuged at 3,000 rpm for 10 min. After collecting the upper layer, the upper layer was concentrated and dried with nitrogen gas. The concentrated dry sample was dissolved in n-hexane (0.2 ml), and 2 .mu.l of the sample was GC analyzed. The GC analysis was performed with a gas chromatograph GC-2014 (Shimadzu Corporation) under the following conditions:
[0546] Column: HR-SS-10 (30 m.times.0.25 am; Shinwa Chemical Industries Ltd.)
[0547] Column temperature: 150.degree. C..fwdarw.(5.degree. C./min).fwdarw.220.degree. C. (10 min)
[0548] Carrier gas: He (1.3 mL/min).
[0549] As a result, knocking out the C20 elongase in the Schizochytrium sp. TY12Ab strain increased fatty acids of 20 carbon chain length (FIG. 100). FIG. 101 represents the proportions relative to the wild-type strain taken as 100%.
[0550] As can be seen from these results, the arachidonic acid increased about 1.7-fold, EPA about 1.3-fold, DPA (n-6) about 1.1-fold, and DHA about 0.9-fold.
INDUSTRIAL APPLICABILITY
[0551] The present invention provides a method for transforming stramenopile through disruption of stramenopile genes and/or inhibition of expression thereof, modification of the fatty acid composition produced by a stramenopile, and a method for highly accumulating fatty acids in a stramenopile. The present invention thus enables more efficient production of polyunsaturated fatty acids.
Sequence CWU
1
1
255121DNAArtificialprimer 1ttyytncayg tntaycayca y
21223DNAArtificialprimer 2gcrtgrtgrt anacrtgnar raa
233190DNAArtificialcDNA (DNA
fragment contains elo1) 3cgccaccatc tttgctatct ggtttatgat cgccaagtac
gccccgggcg gcgacgcata 60ctttagcgtc atcctgaact cgttcgtgca caccgtcatg
tacgcgtact acttcttctc 120gtcgcagggc ttcgggttcg tcaagccgat caagccgtac
atcacctcgc tgcagatgac 180gcagttcatg
1904210DNAArtificialcDNA (DNA fragment contains
elo2) 4ccgacgacca gcacaccgag tgggtctcgt gcgtgcgctt ctcgccctcg accaccaacc
60cgctgatcgt gtcgtgcggc tgggacaagc tcgtcaaggt ctggaacctc tcgaactgca
120agcttcgggc caacctcatc ggccacgacg gctacctcaa ctcggtcacc gtcagcccgg
180acggctccct gtgcgcttcg ggcggcaagg
2105200DNAArtificialcDNA (DNA fragment contains elo3) 5aagctaacct
gggcgtagtt tttcttgagg atcatcatga acgtgtcgct ccagtcgaga 60aactttgtca
ggaggtgcac gaacacgaaa aactcgatgt tcgagtcgcg cgacttgttg 120aggccgaaag
ggttgccgtt ggccaggtcg acctgcggcc agaggcccca caccatccag 180ccgcacaccg
cgatttggac
200621DNAArtificialprimer 6tatgatcgcc aagtacgccc c
21721DNAArtificialprimer 7gaactgcgtc atctgcagcg a
21820DNAArtificialprimer
8tctcgccctc gaccaccaac
20922DNAArtificialprimer 9cggtgaccga gttgaggtag cc
221022DNAArtificialprimer 10caaccctttc ggcctcaaca
ag 221126DNAArtificialprimer
11ttcttgagga tcatcatgaa cgtgtc
26121139DNAArtificialcDNA (elo1) 12ctaatacgac tcactatagg gcaagcagtg
gtaacaacgc agagtacgcg gggaccccaa 60acgcccgacg acaaccaaga agacagccag
ccgaacaatc ggacgaagat gacgagcaac 120atgagcgcgt ggggcgtcgc cgtcgaccag
acgcagcagg tcgtcgacca gatcatgggc 180ggcgccgagc cgtacaagct gacagaaggg
cgcatgacga acgtcgagac gatgctggcg 240atcgagtgcg gctacgccgc catgctgctg
ttcctgaccc cgatcatgaa gcaggccgag 300aagcccttcg agctcaagtc cttcaagctc
gcccacaacc tgttcctgtt cgtcctgtcc 360gcctacatgt gcctcgagac cgtccgccag
gcctaccttg cgggctactc ggtgttcggc 420aacgacatgg agaagggcag cgagccgcac
gcgcacggca tggcccaaat cgtgtggatc 480ttttacgtgt ccaaggcgta cgagttcgtg
gacacgctga tcatgatcct gtgcaaaaag 540ttcaaccagg tctccgtcct gcacgtgtac
caccacgcca ccatctttgc tatctggttt 600atgatcgcca agtacgcccc gggcggcgac
gcatacttta gcgtcatcct gaactcgttc 660gtgcacaccg tcatgtacgc gtactacttc
ttctcgtcgc agggcttcgg gttcgtcaag 720ccgatcaagc cgtacatcac ctcgctgcag
atgacgcagt tcatggcgat gctcgtgcag 780tcgctgtacg actaccttta cccgtgcgac
tacccgcagg ggctcgtcaa gctcctcggc 840gtgtacatgc tcaccctgct tgcgctcttc
ggcaactttt tcgtgcagag ctacctcaag 900aagtcgaaca agcccaaggc caagtcggcc
taagccgacc cgctcgccgg caaccgagca 960gcacctaggc gcatctcggc ccggaacctt
ttcgacctgc tgtggagcgc gcgacgcgtt 1020tcgcgaccgt ccgcgcgttc ttgacactct
ttgctctgtg tgtttcgcac ttgacaacct 1080ggaacagaca catacacgat acaaatcatc
agaacagaca aaaaacaacc tcaaattat 1139131261DNAArtificialcDNA (elo3)
13ctaatacgac tcactatagg gcaagcagtg gtatcaacgc agagtacgcg gggaccccga
60acgtgtttct cccaggacgt gccgctgtcg ctcgctgatc cacccgaagc gcggtcggct
120ggcacggtcg ctcggctgga agttgagtag tttgctttct gttactgcgc tgctttgtaa
180acgcgaccat ggcgacgcgc acctcgaaga gcgctccggc ggtttccaag tcggccaagg
240ttgccgcgcc ggcgaagaag cggtcggtcg acaggagcga cggtttcttc cgcacgttca
300acctgtgcgc cctgtacggg tctgccctcg cctatgcgta caagcacggc ccggtggaca
360atgacggcca ggggctgtac tttcacaagt cgcccatgta cgcgttcgcc gtgtcggacg
420tcatgacctt cggcgcgccg ctgatgtacg tgctcggtgt gatgctgctc agcaggtaca
480tggcggacaa aaagcccctg actggcttca tcaagaccta catccagccc gtctacaacg
540tggtccaaat cgcggtgtgc ggctggatgg tgtggggcct ctggccgcag gtcgacctgg
600ccaacggcaa ccctttcggc ctcaacaagt cgcgcgactc gaacatcgag tttttcgtgt
660tcgtgcacct cctgacaaag tttctcgact ggagcgacac gttcatgatg atcctcaaga
720aaaactacgc ccaggttagc tttctgcagg tgttccacca cgcaacgatc ggcatggtgt
780ggtcgttcct tcttcagcgt ggctggggct cgggcaccgc cgcgtacggt gctttcatca
840actcggtcac gcacgtgatc atgtactcgc actactttgc cacctcgctc aacatcaaca
900acccgttcaa gcggtacatc acgagcttcc agctcgccca gtttgcaagc tgcatcgtgc
960atgccctact ggtgcttgcc ttcgaggagg tgtacccgct cgagtacgct tacctgcaga
1020tcagctacca catcatcatg ctctacctgt tcggacgccg catgaactgg agccccgagt
1080ggtgcaccgg tgagatcgac ggccttgacg ccccaagcgc ccccaccaag tccgagtaaa
1140cctgtttccg gctggctccc gagccatgct taccatgaat gaacctgcaa acagtctgag
1200gtccttgtgc aaaccgctca gtgggacgtc gacgaagaaa gaaacaatgt gtactcgtcc
1260c
126114275PRTT. aureum ATCC 34304misc_feature(275)..(275)Xaa can be any
naturally occurring amino acid 14Met Thr Ser Asn Met Ser Ala Trp Gly Val
Ala Val Asp Gln Thr Gln 1 5 10
15 Gln Val Val Asp Gln Ile Met Gly Gly Ala Glu Pro Tyr Lys Leu
Thr 20 25 30 Glu
Gly Arg Met Thr Asn Val Glu Thr Met Leu Ala Ile Glu Cys Gly 35
40 45 Tyr Ala Ala Met Leu Leu
Phe Leu Thr Pro Ile Met Lys Gln Ala Glu 50 55
60 Lys Pro Phe Glu Leu Lys Ser Phe Lys Leu Ala
His Asn Leu Phe Leu 65 70 75
80 Phe Val Leu Ser Ala Tyr Met Cys Leu Glu Thr Val Arg Gln Ala Tyr
85 90 95 Leu Ala
Gly Tyr Ser Val Phe Gly Asn Asp Met Glu Lys Gly Ser Glu 100
105 110 Pro His Ala His Gly Met Ala
Gln Ile Val Trp Ile Phe Tyr Val Ser 115 120
125 Lys Ala Tyr Glu Phe Val Asp Thr Leu Ile Met Ile
Leu Cys Lys Lys 130 135 140
Phe Asn Gln Val Ser Val Leu His Val Tyr His His Ala Thr Ile Phe 145
150 155 160 Ala Ile Trp
Phe Met Ile Ala Lys Tyr Ala Pro Gly Gly Asp Ala Tyr 165
170 175 Phe Ser Val Ile Leu Asn Ser Phe
Val His Thr Val Met Tyr Ala Tyr 180 185
190 Tyr Phe Phe Ser Ser Gln Gly Phe Gly Phe Val Lys Pro
Ile Lys Pro 195 200 205
Tyr Ile Thr Ser Leu Gln Met Thr Gln Phe Met Ala Met Leu Val Gln 210
215 220 Ser Leu Tyr Asp
Tyr Leu Tyr Pro Cys Asp Tyr Pro Gln Gly Leu Val 225 230
235 240 Lys Leu Leu Gly Val Tyr Met Leu Thr
Leu Leu Ala Leu Phe Gly Asn 245 250
255 Phe Phe Val Gln Ser Tyr Leu Lys Lys Ser Asn Lys Pro Lys
Ala Lys 260 265 270
Ser Ala Xaa 275 15825DNAArtificialcDNA (T. aureum ATCC 34304
elo1) 15atgacgagca acatgagcgc gtggggcgtc gccgtcgacc agacgcagca ggtcgtcgac
60cagatcatgg gcggcgccga gccgtacaag ctgacagaag ggcgcatgac gaacgtcgag
120acgatgctgg cgatcgagtg cggctacgcc gccatgctgc tgttcctgac cccgatcatg
180aagcaggccg agaagccctt cgagctcaag tccttcaagc tcgcccacaa cctgttcctg
240ttcgtcctgt ccgcctacat gtgcctcgag accgtccgcc aggcctacct tgcgggctac
300tcggtgttcg gcaacgacat ggagaagggc agcgagccgc acgcgcacgg catggcccaa
360atcgtgtgga tcttttacgt gtccaaggcg tacgagttcg tggacacgct gatcatgatc
420ctgtgcaaaa agttcaacca ggtctccgtc ctgcacgtgt accaccacgc caccatcttt
480gctatctggt ttatgatcgc caagtacgcc ccgggcggcg acgcatactt tagcgtcatc
540ctgaactcgt tcgtgcacac cgtcatgtac gcgtactact tcttctcgtc gcagggcttc
600gggttcgtca agccgatcaa gccgtacatc acctcgctgc agatgacgca gttcatggcg
660atgctcgtgc agtcgctgta cgactacctt tacccgtgcg actacccgca ggggctcgtc
720aagctcctcg gcgtgtacat gctcaccctg cttgcgctct tcggcaactt tttcgtgcag
780agctacctca agaagtcgaa caagcccaag gccaagtcgg cctaa
82516317PRTT. aureum ATCC 34304misc_feature(317)..(317)Xaa can be any
naturally occurring amino acid 16Met Ala Thr Arg Thr Ser Lys Ser Ala Pro
Ala Val Ser Lys Ser Ala 1 5 10
15 Lys Val Ala Ala Pro Ala Lys Lys Arg Ser Val Asp Arg Ser Asp
Gly 20 25 30 Phe
Phe Arg Thr Phe Asn Leu Cys Ala Leu Tyr Gly Ser Ala Leu Ala 35
40 45 Tyr Ala Tyr Lys His Gly
Pro Val Asp Asn Asp Gly Gln Gly Leu Tyr 50 55
60 Phe His Lys Ser Pro Met Tyr Ala Phe Ala Val
Ser Asp Val Met Thr 65 70 75
80 Phe Gly Ala Pro Leu Met Tyr Val Leu Gly Val Met Leu Leu Ser Arg
85 90 95 Tyr Met
Ala Asp Lys Lys Pro Leu Thr Gly Phe Ile Lys Thr Tyr Ile 100
105 110 Gln Pro Val Tyr Asn Val Val
Gln Ile Ala Val Cys Gly Trp Met Val 115 120
125 Trp Gly Leu Trp Pro Gln Val Asp Leu Ala Asn Gly
Asn Pro Phe Gly 130 135 140
Leu Asn Lys Ser Arg Asp Ser Asn Ile Glu Phe Phe Val Phe Val His 145
150 155 160 Leu Leu Thr
Lys Phe Leu Asp Trp Ser Asp Thr Phe Met Met Ile Leu 165
170 175 Lys Lys Asn Tyr Ala Gln Val Ser
Phe Leu Gln Val Phe His His Ala 180 185
190 Thr Ile Gly Met Val Trp Ser Phe Leu Leu Gln Arg Gly
Trp Gly Ser 195 200 205
Gly Thr Ala Ala Tyr Gly Ala Phe Ile Asn Ser Val Thr His Val Ile 210
215 220 Met Tyr Ser His
Tyr Phe Ala Thr Ser Leu Asn Ile Asn Asn Pro Phe 225 230
235 240 Lys Arg Tyr Ile Thr Ser Phe Gln Leu
Ala Gln Phe Ala Ser Cys Ile 245 250
255 Val His Ala Leu Leu Val Leu Ala Phe Glu Glu Val Tyr Pro
Leu Glu 260 265 270
Tyr Ala Tyr Leu Gln Ile Ser Tyr His Ile Ile Met Leu Tyr Leu Phe
275 280 285 Gly Arg Arg Met
Asn Trp Ser Pro Glu Trp Cys Thr Gly Glu Ile Asp 290
295 300 Gly Leu Asp Ala Pro Ser Ala Pro
Thr Lys Ser Glu Xaa 305 310 315
17951DNAArtificialcDNA (T. aureum ATCC 34304 elo3) 17atggcgacgc
gcacctcgaa gagcgctccg gcggtttcca agtcggccaa ggttgccgcg 60ccggcgaaga
agcggtcggt cgacaggagc gacggtttct tccgcacgtt caacctgtgc 120gccctgtacg
ggtctgccct cgcctatgcg tacaagcacg gcccggtgga caatgacggc 180caggggctgt
actttcacaa gtcgcccatg tacgcgttcg ccgtgtcgga cgtcatgacc 240ttcggcgcgc
cgctgatgta cgtgctcggt gtgatgctgc tcagcaggta catggcggac 300aaaaagcccc
tgactggctt catcaagacc tacatccagc ccgtctacaa cgtggtccaa 360atcgcggtgt
gcggctggat ggtgtggggc ctctggccgc aggtcgacct ggccaacggc 420aaccctttcg
gcctcaacaa gtcgcgcgac tcgaacatcg agtttttcgt gttcgtgcac 480ctcctgacaa
agtttctcga ctggagcgac acgttcatga tgatcctcaa gaaaaactac 540gcccaggtta
gctttctgca ggtgttccac cacgcaacga tcggcatggt gtggtcgttc 600cttcttcagc
gtggctgggg ctcgggcacc gccgcgtacg gtgctttcat caactcggtc 660acgcacgtga
tcatgtactc gcactacttt gccacctcgc tcaacatcaa caacccgttc 720aagcggtaca
tcacgagctt ccagctcgcc cagtttgcaa gctgcatcgt gcatgcccta 780ctggtgcttg
ccttcgagga ggtgtacccg ctcgagtacg cttacctgca gatcagctac 840cacatcatca
tgctctacct gttcggacgc cgcatgaact ggagccccga gtggtgcacc 900ggtgagatcg
acggccttga cgccccaagc gcccccacca agtccgagta a
9511838DNAArtificialprimer 18ataagcttaa aatgtctagc aacatgagcg cgtggggc
381928DNAArtificialprimer 19tgtctagaac
gcgcggacgg tcgcgaaa
282040DNAArtificialprimer 20taaagcttaa aatgtctacg cgcacctcga agagcgctcc
402131DNAArtificialprimer 21catctagact cggacttggt
gggggcgctt g 3122949DNAArtificialcDNA
(TaELO1 coding region) 22ataagcttaa aatgacgagc aacatgagcg cgtggggcgt
cgccgtcgac cagacgcagc 60aggtcgtcga ccagatcatg ggcggcgccg agccgtacaa
gctgacagaa gggcgcatga 120cgaacgtcga gacgatgctg gcgatcgagt gcggctacgc
cgccatgctg ctgttcctga 180ccccgatcat gaagcaggcc gagaagccct tcgagctcaa
gtccttcaag ctcgcccaca 240acctgttcct gttcgtcctg tccgcctaca tgtgcctcga
gaccgtccgc caggcctacc 300ttgcgggcta ctcggtgttc ggcaacgaca tggagaaggg
cagcgagccg cacgcgcacg 360gcatggccca aatcgtgtgg atcttttacg tgtccaaggc
gtacgagttc gtggacacgc 420tgatcatgat cctgtgcaaa aagttcaacc aggtctccgt
cctgcacgtg taccaccacg 480ccaccatctt tgctatctgg tttatgatcg ccaagtacgc
cccgggcggc gacgcatact 540ttagcgtcat cctgaactcg ttcgtgcaca ccgtcatgta
cgcgtactac ttcttctcgt 600cgcagggctt cgggttcgtc aagccgatca agccgtacat
cacctcgctg cagatgacgc 660agttcatggc gatgctcgtg cagtcgctgt acgactacct
ttacccgtgc gactacccgc 720aggggctcgt caagctcctc ggcgtgtaca tgctcaccct
gcttgcgctc ttcggcaact 780ttttcgtgca gagctacctc aagaagtcga acaagcccaa
ggccaagtcg gcctaagccg 840acccgctcgc cggcaaccga gcagcaccta ggcgcatctc
ggcccggaac cttttcgacc 900tgctgtggag cgcgcgacgc gtttcgcgac cgtccgcgcg
ttctagaca 94923967DNAArtificialcDNA (TaELO2 coding region)
23taaagcttaa aatggcgacg cgcacctcga agagcgctcc ggcggtttcc aagtcggcca
60aggttgccgc gccggcgaag aagcggtcgg tcgacaggag cgacggtttc ttccgcacgt
120tcaacctgtg cgccctgtac gggtctgccc tcgcctatgc gtacaagcac ggcccggtgg
180acaatgacgg ccaggggctg tactttcaca agtcgcccat gtacgcgttc gccgtgtcgg
240acgtcatgac cttcggcgcg ccgctgatgt acgtgctcgg tgtgatgctg ctcagcaggt
300acatggcgga caaaaagccc ctgactggct tcatcaagac ctacatccag cccgtctaca
360acgtggtcca aatcgcggtg tgcggctgga tggtgtgggg cctctggccg caggtcgacc
420tggccaacgg caaccctttc ggcctcaaca agtcgcgcga ctcgaacatc gagtttttcg
480tgttcgtgca cctcctgaca aagtttctcg actggagcga cacgttcatg atgatcctca
540agaaaaacta cgcccaggtt agctttctgc aggtgttcca ccacgcaacg atcggcatgg
600tgtggtcgtt ccttcttcag cgtggctggg gctcgggcac cgccgcgtac ggtgctttca
660tcaactcggt cacgcacgtg atcatgtact cgcactactt tgccacctcg ctcaacatca
720acaacccgtt caagcggtac atcacgagct tccagctcgc ccagtttgca agctgcatcg
780tgcatgccct actggtgctt gccttcgagg aggtgtaccc gctcgagtac gcttacctgc
840agatcagcta ccacatcatc atgctctacc tgttcggacg ccgcatgaac tggagccccg
900agtggtgcac cggtgagatc gacggccttg acgccccaag cgcccccacc aagtccgagt
960ctagatg
967241122DNAArtificialcDNA (TaELO2 ORF upstream region) 24cgttagaacg
cgtaatacga ctcactatag ggatatcccc cgcgaggcga tggctgctcc 60gacgacgtgg
gctggcgacg tcgctcgcaa aggcgttccg caaccgcgcg ttccgctgta 120acgagaccgt
tttccctgcg ctgctgggtg gacctagcgc gtgtgtcacc tgccggcccc 180cgttgcgtgc
aaccgaattg atcgataata gaattacata acaaacaact tgctggatga 240gtacaagacc
agcgtagtgt ggctgtggga cgttgaacgg agcgggtcct gtgacggcgc 300agaaaggaac
tccgcccgag gtgaaacccc gatgcgcagg actctgcggc cacagcccct 360ccgccagtat
tccactaaaa atccgccccc tttgacaaag atcgcaaccc cgtcccatca 420actcctcaca
ataggctttc cactggcgga aacgtccccg gcacaggagt gcctcccgcg 480gttctgcgca
tacggctgac cactacgcag cgcgatatcc tccatccgcg tatatatccg 540taaacaacgg
aacattctcc ctctcaacga ggcgtggttt tcgaagccat gcctttcttc 600cttcctactt
gccttccttc tttctttctt tctttccttc ttttgcaagc gtgcgcgaac 660ttgaaggtac
tacttacact tgacagagag agatagagac ggcaattcga ccaagtactt 720tccacgattt
tttttttttt tgttttggtc gctttcgttg gtcgtgcatg atggatggcc 780gggattttta
caattggatg cgccaggctg ccacgcatgc cgtgacgctc gctcgcggcg 840actcatgatg
cttgccagtg gcagtgcatc cagctcttcc ctctgctcgt cgtgtactca 900ctggcgatgc
tctcggcgct cgttcaaggg ccatcgatcg atcgatcgat cgatcgatcg 960atcaatcacg
tttggtggac tcggcagacc ccgaacgtgt ttctcccagg acgtgccgct 1020gtcgctcgct
gatccacccg aagcgcggtc ggctggcacg gtcgctcggc tggaagttga 1080gtagtttgct
ttctgttgct gcgctgcttt gtaaacgcga cc
1122251204DNAArtificialcDNA (TaELO2 downstream region) 25acctgtttcc
ggctggctcc cgagccatgc ttaccatgaa tgaacctgca aacagtctga 60ggtccttgtg
caaaccgctc agtgggacgt cgacgaagaa agaaacaatg tgtactcgtc 120ttgctctgct
cccgcgccgt tttttatcgt tgttgagacc tctcgcgcag ttttgggaat 180caaccaaaac
aagagcccgg cgtcagcgtt tgcttcgccc tcggctgcac tcgctcggca 240cgcaggtata
actgggtgag taccaagccc cgcatttgtc tgtccgcgat ccgcgcacgc 300tgcgggtcag
gacgacatcg cgctgcacgt cacagtgggt cccttttgac gtggctgcgg 360cgatgaggag
gcttggctcg gcttcatggc aaggcaacag actcgcttcc aggacgcgca 420cgacgagcag
cgctgctttg atcgaccttg cctgcgtcac cgcctcggct gctttgatcg 480atcgttgtca
ccggccgagt gaccgcgaac gcattgcccg cacggctcgg ctcggctcgg 540accggaccgg
ctcgccttgg cggcgcggcg cgatggcgac ccagacgcga ccggagccgc 600gcgcggagga
caaggccatg ttcatcttcg ggctcgggta cgttgggagc aggctcgcca 660accagctggc
ggaacagggg tggcgcgtcg cggggtcggt gagggagctc gggcgcgagg 720acgactttgc
cgagttcgaa aagtccaagc tgagcggcaa ggtgcaggtg ttccgactcc 780cgcttgaggg
cgaggacaac acgcccgctc gcgcgcggga gatacttagc gggtaccagc 840acctgctgtt
cacggcgcca gtggaccgcg cccggaactg tgaccccttc ttgggcgacc 900ccgttctcgg
ccccgtgatc gtcgagctag cagaggaggg ccgcatcgac tgggccggct 960atctctcaac
cacttcggtc tacggcaacc acgacggcga gtgggtggac gagaccacgc 1020cgctcatgcc
cacgctcaaa cgcggcgagc agcgcgtcat ggtggagcgc gccttcctgt 1080acgagtcggg
cctcccggcc catatctttc ggctgccagg aatctacggc ccagggcgcg 1140gcccgatatc
acgaattctc tccctatagt gagtcgtatt acgcgttcta acgacaatat 1200gtac
12042631DNAArtificialprimer 26ctcccgggtg gacctagcgc gtgtgtcacc t
312725DNAArtificialprimer 27ggtcgcgttt
acaaagcagc gcagc
252852DNAArtificialprimer 28gctgcgctgc tttgtaaacg cgaccatgat tgaacaggac
ggccttcacg ct 522952DNAArtificialprimer 29tcgggagcca
gccggaaaca ggttcaaaag aactcgtcca ggaggcggta ga
523023DNAArtificialprimer 30acctgtttcc ggctggctcc cga
233127DNAArtificialprimer 31atcccggggc cgagaacggg
gtcgccc 27322696DNAArtificialcDNA
(TaELO2 ORF upstream/Neor/ TaELO2 ORF downstream) 32ctcccgggtg
gacctagcgc gtgtgtcacc tgccggcccc cgttgcgtgc aaccgaattg 60atcgataata
gaattacata acaaacaact tgctggatga gtacaagacc agcgtagtgt 120ggctgtggga
cgttgaacgg agcgggtcct gtgatggcgc agaaaggaac tccgcccgag 180gtgaaacccc
gatgcgcagg actctgcggc cacagcccct ccgccagtat tccactaaaa 240atccgccccc
tttgacaaag atcgcaaccc cgtcccatca actcctcaca ataggctttc 300cactggcgga
aacgtccccg gcacaggagt gcctcccgcg gttctgcgca tacggctgac 360cactacgcag
cgcgatatcc tccatccgcg tatatatccg taaacaacgg aacattctcc 420ctctcaacga
ggcgtggttt tcgaagccat gcctttcttc cttcctactt gccttccttc 480tttctttctt
tctttccttc ttttgcaagc gtgcgcgaac ttgaaggtac tacttacact 540tgacagagag
agatagagac ggcaattcga ccaagtactt tccacgattt tttttttttt 600tgttttggtc
gctttcgttg gtcgtgcatg atggatggcc gggattttta caattggatg 660cgccaggctg
ccacgcatgc cgtgacgctt gctcgcggcg actcatgatg cttgccagtg 720gcagtgcatc
cagctcttcc ctctgctcgt cgtgtactca ctggcgatgc tctcggcgct 780cgttcaaggg
ccatcgatcg atcgatcgat cgatcgatcg atcaatcacg tttggtggac 840tcggcagacc
ccgaacgtgt ttctcccagg acgcgccgct gtcgctcgct gatccacccg 900aagcgcggtc
ggctggcacg gtcgctcggc tggaagttga gtagtttgct ttctgttgct 960gcgctgcttt
gtaaacgcga ccatgattga acaggacggc cttcacgctg gctcgcccgc 1020tgcttgggtg
gaacggctgt tcggctacga ctgggctcag cagacgatcg gctgctcgga 1080cgcggccgtg
ttccgcctta gcgcgcaggg ccggccggtc ctgtttgtca agaccgacct 1140tagcggcgcc
ctcaacgagc tccaggacga agctgcccgc ctcagctggc ttgccacgac 1200gggggttccg
tgcgccgctg tgctcgacgt cgtcaccgaa gccggccgcg actggctgct 1260cctcggggaa
gtgcccggcc aggacctcct cagcagccac ctcgcgcccg ctgagaaggt 1320gtccatcatg
gccgacgcca tgcgccgcct gcacaccctc gaccccgcca cctgcccctt 1380cgaccaccag
gcgaagcaca ggatcgaacg cgcccgcacg cggatggagg ctggcctcgt 1440cgaccaagac
gacctcgacg aggagcacca gggcctcgcg ccggcggaac tgttcgccag 1500gcttaaggct
aggatgccgg acggcgagga cctcgtggtc acgcacggcg acgcctgcct 1560ccccaacatc
atggtcgaga acggccgctt ctcgggcttt atcgactgcg ggcgcctggg 1620cgtggcggac
cgctaccaag acatcgcgct cgccacgcgg gacatcgccg aggagcttgg 1680cggcgagtgg
gccgaccgct ttctcgtgct ctacggcatc gccgccccgg acagccagag 1740gattgcgttc
taccgcctcc tggacgagtt cttttgaacc tgtttccggc tggctcccga 1800gccatgctta
ccatgaatga acctgcaaac agtctgaggt ccttgtgcaa accgctcagt 1860gggacgtcga
cgaagaaaga aacaatgtgt actcgtcttg ctctgctccc gcgccgtttt 1920ttatcgttgt
tgagacctct cgcgcagttt tgggaatcaa ccaaaacaag agcccggcgt 1980cagcgtttgc
ttcgccctcg gctgcactcg ctcggcacgc aggtataact gggtgagtac 2040caagccccgc
atttgtctgt ccgcgatccg cgcacgctgc gggtcaggac gacatcgcgc 2100tgcacgtcac
agtgggtccc ttttgacgtg gctgcggcga tgaggaggct tggctcggct 2160tcatggcaag
gcaacagact cgcttccggg acgcgcacga cgagcagcgc tgctttgatc 2220gaccttgcct
gcgtcaccgc ctcggctgct ttgatcgatc gttgtcaccg gccgagtgac 2280cgcgaacgca
ttgcccgcac ggctcggctc ggcccggacc ggaccggctc gccttggcgg 2340cgcggcgcga
tggcgaccca gacgcggccg gagccgcgcg cggaggacaa ggccatgttc 2400atcttcgggc
tcgggtacgt tgggagcagg ctcgccaacc agctggcgga acaggggtgg 2460cgcgtcgcgg
ggtcggtgag ggagctcggg cgcgaggacg actttgccga gttcgaaaag 2520tccaagctga
gcggcaaggt gcaggtgttc cgactcccgc ttgagggcga ggacaacacg 2580cccgctcgcg
cgcgggagat acttagcggg taccagcacc tgctgttcac ggcgccagtg 2640gaccgcgccc
ggaactgtga ccccttcttg ggcgaccccg ttctcggccc cgggat
26963330DNAArtificialprimer 33ggatatcccc cgcgaggcga tggctgctcc
303430DNAArtificialprimer 34tgatatcggg
ccgcgccctg ggccgtagat
303525DNAArtificialprimer 35gtacgtgctc ggtgtgatgc tgctc
253624DNAArtificialprimer 36gcggcgtccg aacaggtaga
gcat 243735DNAArtificialprimer
37atccgcgtat atatccgtaa acaacggaac attct
353826DNAArtificialprimer 38cttcgggtgg atcagcgagc gacagc
263927DNAArtificialprimer 39gccgcagcgc ctggtgcacc
cgccggg 274059DNAArtificialprimer
40tcgcgggtga gttcaggctt tttcatgttg gctagtgttg cttaggtcgc ttgctgctg
594157DNAArtificialprimer 41agcgacctaa gcaacactag gccaacatga aaaagcctga
actcaccgcg acgtctg 574229DNAArtificialprimer 42ctattccttt
gccctcggac gagtgctgg
29431636DNAArtificialcDNA (T. aureum ATCC 34304 ubiruitin
promoter/Hygr) 43gctagccgca gcgcctggtg cacccgccgg gcgttggttg tgtgtgctat
ttactatgcc 60taccgagaga gagagcggag cggatgcata ggaaatcggg ccacgcggga
gggccatgcg 120ttcgccccac acgccactta taccacgccc gctctctctc cggccggcag
gcagcgcata 180actataccga cgctggcagg cttggtagca actggcaggg acaactcgcg
cgcgggtccc 240ggtcgttcga tgtgccaacc cgagagaatc cagccagcag ggcggttggc
ctcatcgccc 300acctgctatg gtgcagcgaa ccaactcccg aagcggccgg ttccgcgatt
ccctcttctg 360aattctgaat tctgaactga ttccggagga gaaccctctg gaagcgcggg
ttgcctctcc 420agttctgccg aactagacag gggagtgagc atgatgagtg accctgacgc
gtgagctgag 480ctggttgctg gaatatagtc gctgaacgct gggctgtgtc acgcgtccac
ttcgggcaga 540ccccaaacga caagcagaac aagcaacacc agcagcagca agcgacctaa
gcaacactag 600ccaacatgaa aaagcctgaa ctcaccgcga cgtctgtcga gaagtttctg
atcgaaaagt 660tcgacagcgt ctccgacctg atgcagctct cggagggcga agaatctcgt
gctttcagct 720tcgatgtagg agggcgtgga tatgtcctgc gggtaaatag ctgcgccgat
ggtttctaca 780aagatcgtta tgtttatcgg cactttgcat cggccgcgct cccgattccg
gaagtgcttg 840acattgggga attcagcgag agcctgacct attgcatctc ccgccgtgca
cagggtgtca 900cgttgcaaga cctgcctgaa accgaactgc ccgctgttct gcagccggtc
gcggaggcca 960tggatgcgat cgctgcggcc gatcttagcc agacgagcgg gttcggccca
ttcggaccgc 1020aaggaatcgg tcaatacact acatggcgtg atttcatatg cgcgattgct
gatccccatg 1080tgtatcactg gcaaactgtg atggacgaca ccgtcagtgc gtccgtcgcg
caggctctcg 1140atgagctgat gctttgggcc gaggactgcc ccgaagtccg gcacctcgtg
cacgcggatt 1200tcggctccaa caatgtcctg acggacaatg gccgcataac agcggtcatt
gactggagcg 1260aggcgatgtt cggggattcc caatacgagg tcgccaacat cttcttctgg
aggccgtggt 1320tggcttgtat ggagcagcag acgcgctact tcgagcggag gcatccggag
cttgcaggat 1380cgccgcggct ccgggcgtat atgctccgca ttggtcttga ccaactctat
cagagcttgg 1440ttgacggcaa tttcgatgat gcagcttggg cgcagggtcg atgcgacgca
atcgtccgat 1500ccggagccgg gactgtcggg cgtacacaaa tcgcccgcag aagcgcggcc
gtctggaccg 1560atggctgtgt agaagtactc gccgatagtg gaaaccgacg ccccagcact
cgtccgaggg 1620caaaggaata gtctag
16364433DNAArtificialprimer 44gtgctagccg cagcgcctgg tgcacccgcc
ggg 334537DNAArtificialprimer
45gttctagact attcctttgc cctcggacga gtgctgg
374637DNAArtificialprimer 46gttctagacc tgtttccggc tggctcccga gccatgc
374740DNAArtificialprimer 47gtgctagcgg tcgcgtttac
aaagcagcgc agcaacagaa 40483537DNAArtificialcDNA
(TaELO2 ORF upstream region/T. aureum ATCC 34304 ubiquitin
promotor/Hygr/TaELO2 ORF downstream region) 48ctcccgggtg gacctagcgc
gtgtgtcacc tgccggcccc cgttgcgtgc aaccgaattg 60atcgataata gaattacata
acaaacaact tgctggatga gtacaagacc agcgtagtgt 120ggctgtggga cgttgaacgg
agcgggtcct gtgacggcgc agaaaggaac tccgcccgag 180gtgaaacccc gatgcgcagg
actctgcggc cacagcccct ccgccagtat tccactaaaa 240atccgccccc tttgacaaag
atcgcaaccc cgtcccatca actcctcaca ataggctttc 300cactggcgga aacgtccccg
gcacaggagt gcctcccgcg gttctgcgca tacggctgac 360cactacgcag cgcgatatcc
tccatccgcg tatatatccg taaacaacgg aacattctcc 420ctctcaacga ggcgtggttt
tcgaagccat gcctttcttc cttcctactt gccttccttc 480tttctttctt tctttctttc
ttttgtaagc gtgcgcgaac ttgaaggtac tacttacact 540tgacagagag agatagagac
ggcaattcga ccaagtactt tccacgattt tttttttttt 600tgttttggtc gctttcgttg
gtcgtgcatg atggatggcc gggattttta caattggatg 660cgccaggctg ccacgcatgc
cgtgacgctc gctcgcggcg actcatggtg cttgccagtg 720gcagtgcatc cagctcttcc
ctctgctcgt cgtgtactca ctggcgatgc tctcggcgct 780cgttcaaggg ccatcgatcg
atcgatcgat cgatcgatcg atcaatcacg tttggtggac 840tcggcagacc ccgaacgtgt
ttctcccagg acgtgccgct gtcgctcgct gatccacccg 900aagcgcggtc ggctggcacg
gtcgctcggc tggaagttga gtagtttgct ttctgttgct 960gcgctgcttt gtaaacgcga
ccgctagccg cagcgcctgg tgcacccgcc gggcgttggt 1020tgtgtgtgct atttactatg
cctaccgaga gagagagcgg agcggatgca taggaaatcg 1080ggccacgcgg gagggccatg
cgttcgcccc acacgccact tataccacgc ccgctctctc 1140tccggccggc aggcagcgca
taactatacc gacgctggca ggcttggtag caactggcag 1200ggacaactcg cgcgcgggtc
ccggtcgttc gatgtgccaa cccgagagaa tccagccagc 1260agggcggttg gcctcatcgc
ccacctgcta tggtgcagcg aaccaactcc cgaagcggcc 1320ggttccgcga ttccctcttc
tgaattctga attctgaact gattccggag gagaaccctc 1380tggaagcgcg ggttgcctct
ccagttctgc cgaactagac aggggagtga gcatgatgag 1440tgaccctgac gcgtgagctg
agctggttgc tggaatatag tcgctgaacg ctgggctgtg 1500tcacgcgtcc acttcgggca
gaccccaaac gacaagcaga acaagcaaca ccagcagcag 1560caagcgacct aagcaacact
agccaacatg aaaaagcctg aactcaccgc gacgtctgtc 1620gagaagtttc tgatcgaaaa
gttcgacagc gtctccgacc tgatgcagct ctcggagggc 1680gaagaatctc gtgctttcag
cttcgatgta ggagggcgtg gatatgtcct gcgggtaaat 1740agctgcgccg atggtttcta
caaagatcgt tatgtttatc ggcactttgc atcggccgcg 1800ctcccgattc cggaagtgct
tgacattggg gaattcagcg agagcctgac ctattgcatc 1860tcccgccgtg cacagggtgt
cacgttgcaa gacctgcctg aaaccgaact gcccgctgtt 1920ctgcagccgg tcgcggaggc
catggatgcg atcgctgcgg ccgatcttag ccagacgagc 1980gggttcggcc cattcggacc
gcaaggaatc ggtcaataca ctacatggcg tgatttcata 2040tgcgcgattg ctgatcccca
tgtgtatcac tggcaaactg tgatggacga caccgtcagt 2100gcgtccgtcg cgcaggctct
cgatgagctg atgctttggg ccgaggactg ccccgaagtc 2160cggcacctcg tgcacgcgga
tttcggctcc aacaatgtcc tgacggacaa tggccgcata 2220acagcggtca ttgactggag
cgaggcgatg ttcggggatt cccaatacga ggtcgccaac 2280atcttcttct ggaggccgtg
gttggcttgt atggagcagc agacgcgcta cttcgagcgg 2340aggcatccgg agcttgcagg
atcgccgcgg ctccgggcgt atatgctccg cattggtctt 2400gaccaactct atcagagctt
ggttgacggc aatttcgatg atgcagcttg ggcgcagggt 2460cgatgcgacg caatcgtccg
atccggagcc gggactgtcg ggcgtacaca aatcgcccgc 2520agaagcgcgg ccgtctggac
cgatggctgt gtagaagtac tcgccgatag tggaaaccga 2580cgccccagca ctcgtccgag
ggcaaaggaa tagtctagac ctgtttccgg ctggctcccg 2640agccatgctt accatgaatg
aacctgcaaa cagtctgagg tccttgtgca aaccgctcag 2700tgggacgtcg acgaagaaag
aaacaatgtg tactcgtctt gctctgctcc cgcgccgttt 2760tttatcgttg ttgagacctc
tcgcgcagtt ttgggaatca accaaaacaa gagcccggcg 2820tcagcgtttg cttcgccctc
ggctgcactc gctcggcacg caggtataac tgggtgagta 2880ccaagccccg catttgtctg
tccgcgatcc gcgcacgctg cgggtcagga cgacatcgcg 2940ctgcacgtca cagtgggtcc
cttttgacgt ggctgcggcg atgaggaggc ttggctcggc 3000ttcatggcaa ggcaacagac
tcgcttccgg gacgcgcacg acgagcagcg ctgctttgat 3060cgaccttgcc tgcgtcaccg
cctcggctgc tttgatcgat cgttgtcacc ggccgagtga 3120ccgcgaacgc attgcccgca
cggctcggct cggcccggac cggaccggct cgccttggcg 3180gcgcggcgcg atggcgaccc
agacgcggcc ggagccgcgc gcggaggaca aggccatgtt 3240catcttcggg ctcgggtacg
ttgggagcag gctcgccaac cagctggcgg aacaggggtg 3300gcgcgtcgcg gggtcggtga
gggagctcgg gcgcgaggac gactttgccg agttcgaaaa 3360gtccaagctg agcggcaagg
tgcaggtgtt ccgactcccg cttgagggcg aggacaacac 3420gcccgctcgc gcgcgggaga
tacttagcgg gtaccagcac ctgctgttca cggcgccagt 3480ggaccgcgcc cggaactgtg
accccttctt gggcgacccc gttctcggcc ccgggat 35374930DNAArtificialprimer
49atggcgacgc gcacctcgaa gagcgctccg
305030DNAArtificialprimer 50aggatcatca tgaacgtgtc gctccagtcg
305134DNAArtificialprimer 51cagatctgga tccgcgaaat
gaccgaccaa gcga 345224DNAArtificialprimer
52acgcaattaa tgtgagatct agct
2453342DNAArtificialSV40 terminator 53cagatctgga tccgcgaaat gaccgaccaa
gcgacgccca acctgccatc acgagatttc 60gattccaccg ccgccttcta tgaaaggttg
ggcttcggaa tcgttttccg ggacgccggc 120tggatgatcc tccagcgcgg ggatctcatg
ctggagttct tcgcccaccc caacttgttt 180attgcagctt ataatggtta caaataaagc
aatagcatca caaatttcac aaataaagca 240tttttttcac tgcattctag ttgtggtttg
tccaaactca tcaatgtatc ttatcatgtc 300tgtataccgt cgacctctag ctagatctca
cattaattgc gt 34254619DNAArtificialubiquitin
promoter 54cccagatctg ccgcagcgcc tggtgcaccc gccgggcgtt gttggtgtgc
tcttcttgcc 60tccgagagag agagcggagc ggatgcatag gaaatcgggc cacgcgggag
ggccatgcgt 120tcgccccaca cgccactttc cacgcccgct ctctctccgg ccggcaggca
gcgcataact 180ctccgacgct ggcaggctgg tagcaactgg cagggacaac tcgcgcgcgg
gtcccggtcg 240ttcgatgtgc caacccgaga gaatccagcc agcagggcgg ttggcctcat
cgcccacctg 300ctatggtgca gcgaaccaac tcccgaagcg gccggttctg cgattccctc
ttctgaattc 360tgaattctga actgattccg gaggagaacc ctctggaagc gcgggttgcc
tctccagttc 420tgccgaacta gacaggggag tgagcagaga gtgaccctga cgcgggagcg
agctggttgc 480tggaaaagtc gcgaacgctg ggctgtgtca cgcgtccact tcgggcagac
cccaaacgac 540aagcagaaca agcaacacca gcagcagcaa gcgacctaag caacactagc
caacatgatt 600gaacaggacg gccttcacg
6195536DNAArtificialprimer 55cccagatctg ccgcagcgcc tggtgcaccc
gccggg 365658DNAArtificialprimer
56cgtgaaggcc gtcctgttca atcatgttgg ctagtgttgc ttaggtcgct tgctgctg
5857826DNAArtificialNeomycin resistance gene (Neor) 57agcgacctaa
gcaacactag ccaacatgat tgaacaggac ggccttcacg ctggctcgcc 60cgctgcttgg
gtggaacggc tgttcggcta cgactgggct cagcagacga tcggctgctc 120ggacgcggcc
gtgttccgcc ttagcgcgca gggccggccg gtcctgtttg tcaagaccga 180ccttagcggc
gccctcaacg agctccagga cgaagctgcc cgcctcagct ggcttgccac 240gacgggggtt
ccgtgcgccg ctgtgctcga cgtcgtcacc gaagccggcc gcgactggct 300gctcctcggg
gaagtgcccg gccaggacct cctcagcagc cacctcgcgc ccgctgagaa 360ggtgtccatc
atggccgacg ccatgcgccg cctgcacacc ctcgaccccg ccacctgccc 420cttcgaccac
caggcgaagc acaggatcga acgcgcccgc acgcggatgg aggctggcct 480cgtcgaccaa
gacgacctcg acgaggagca ccagggcctc gcgccggcgg aactgttcgc 540caggcttaag
gctaggatgc cggacggcga ggacctcgtg gtcacgcacg gcgacgcctg 600cctccccaac
atcatggtcg agaacggccg cttctcgggc tttatcgact gcgggcgcct 660gggcgtggcg
gaccgctacc aagacatcgc gctcgccacg cgggacatcg ccgaggagct 720tggcggcgag
tgggccgacc gctttctcgt gctctacggc atcgccgccc cggacagcca 780gaggattgcg
ttctaccgcc tcctggacga gttcttttga gatctg
8265854DNAArtificialprimer 58agcgacctaa gcaacactag ccaacatgat tgaacaggac
ggccttcacg ctgg 545926DNAArtificialprimer 59cagatctcaa
aagaactcgt ccagga
26601395DNAArtificialfusion DNA (T. aureum ATCC 34304 ubiquitin
promoter/Neor) 60cccagatctg ccgcagcgcc tggtgcaccc gccgggcgtt gttggtgtgc
tcttcttgcc 60tccgagagag agagcggagc ggatgcatag gaaatcgggc cacgcgggag
ggccatgcgt 120tcgccccaca cgccactttc cacgcccgct ctctctccgg ccggcaggca
gcgcataact 180ctccgacgct ggcaggctgg tagcaactgg cagggacaac tcgcgcgcgg
gtcccggtcg 240ttcgatgtgc caacccgaga gaatccagcc agcagggcgg ttggcctcat
cgcccacctg 300ctatggtgca gcgaaccaac tcccgaagcg gccggttctg cgattccctc
ttctgaattc 360tgaattctga actgattccg gaggagaacc ctctggaagc gcgggttgcc
tctccagttc 420tgccgaacta gacaggggag tgagcagaga gtgaccctga cgcgggagcg
agctggttgc 480tggaaaagtc gcgaacgctg ggctgtgtca cgcgtccact tcgggcagac
cccaaacgac 540aagcagaaca agcaacacca gcagcagcaa gcgacctaag caacactagc
caacatgatt 600gaacaggacg gccttcacgc tggctcgccc gctgcttggg tggaacggct
gttcggctac 660gactgggctc agcagacgat cggctgctcg gacgcggccg tgttccgcct
tagcgcgcag 720ggccggccgg tcctgtttgt caagaccgac cttagcggcg ccctcaacga
gctccaggac 780gaagctgccc gcctcagctg gcttgccacg acgggggttc cgtgcgccgc
tgtgctcgac 840gtcgtcaccg aagccggccg cgactggctg ctcctcgggg aagtgcccgg
ccaggacctc 900ctcagcagcc acctcgcgcc cgctgagaag gtgtccatca tggccgacgc
catgcgccgc 960ctgcacaccc tcgaccccgc cacctgcccc ttcgaccacc aggcgaagca
caggatcgaa 1020cgcgcccgca cgcggatgga ggctggcctc gtcgaccaag acgacctcga
cgaggagcac 1080cagggcctcg cgccggcgga actgttcgcc aggcttaagg ctaggatgcc
ggacggcgag 1140gacctcgtgg tcacgcacgg cgacgcctgc ctccccaaca tcatggtcga
gaacggccgc 1200ttctcgggct ttatcgactg cgggcgcctg ggcgtggcgg accgctacca
agacatcgcg 1260ctcgccacgc gggacatcgc cgaggagctt ggcggcgagt gggccgaccg
ctttctcgtg 1320ctctacggca tcgccgcccc ggacagccag aggattgcgt tctaccgcct
cctggacgag 1380ttcttttgag atctg
139561617DNAArtificialubiquitin promoter 61cccagatctg
ccgcagcgcc tggtgcaccc gccgggcgtt gttgtgtgct cttcttgcct 60ccgagagaga
gagcggagcg gatgcatagg aaatcgggcc acgcgggagg gccatgcgtt 120cgccccacac
gccactttcc acgcccgctc tctctccggc cggcaggcag cgcataactc 180tccgacgctg
gcaggctggt agcaactggc agggacaact cgcgcgcggg tcccggtcgt 240tcgatgtgcc
aacccgagag aatccagcca gcagggcggt tggcctcatc gcccacctgc 300tatggtgcag
cgaaccaact cccgaagcgg ccggttctgc gattccctct tctgaattct 360gaattctgaa
ctgattccgg aggagaaccc tctggaagcg cgggttgcct ctccagttct 420gccgaactag
acaggggagt gagcagagag tgaccctgac gcggagcgag ctggttgctg 480gaaaagtcgc
gaacgctggg ctgtgtcacg cgtccacttc gggcagaccc caaacgacaa 540gcagaacaag
caacaccagc agcagcaagc gacctaagca acactagcca acatgaaaaa 600gcctgaactc
accgcga
6176258DNAArtificialprimer 62tcgcggtgag ttcaggcttt ttcatgttgg ctagtgttgc
ttaggtcgct tgctgctg 58631058DNAArtificialHygromycin resistance gene
(Hygr) 63agcgacctaa gcaacactag ccaacatgaa aaagcctgaa ctcaccgcga
cgtctgtcga 60gaagtttctg atcgaaaagt tcgacagcgt ctccgacctg atgcagctct
cggagggcga 120agaatctcgt gctttcagct tcgatgtagg agggcgtgga tatgtcctgc
gggtaaatag 180ctgcgccgat ggtttctaca aagatcgtta tgtttatcgg cactttgcat
cggccgcgct 240cccgattccg gaagtgcttg acattgggga attcagcgag agcctgacct
attgcatctc 300ccgccgtgca cagggtgtca cgttgcaaga cctgcctgaa accgaactgc
ccgctgttct 360gcagccggtc gcggaggcca tggatgcgat cgctgcggcc gatcttagcc
agacgagcgg 420gttcggccca ttcggaccgc aaggaatcgg tcaatacact acatggcgtg
atttcatatg 480cgcgattgct gatccccatg tgtatcactg gcaaactgtg atggacgaca
ccgtcagtgc 540gtccgtcgcg caggctctcg atgagctgat gctttgggcc gaggactgcc
ccgaagtccg 600gcacctcgtg cacgcggatt tcggctccaa caatgtcctg acggacaatg
gccgcataac 660agcggtcatt gactggagcg aggcgatgtt cggggattcc caatacgagg
tcgccaacat 720cttcttctgg aggccgtggt tggcttgtat ggagcagcag acgcgctact
tcgagcggag 780gcatccggag cttgcaggat cgccgcggct ccgggcgtat atgctccgca
ttggtcttga 840ccaactctat cagagcttgg ttgacggcaa tttcgatgat gcagcttggg
cgcagggtcg 900atgcgacgca atcgtccgat ccggagccgg gactgtcggg cgtacacaaa
tcgcccgcag 960aagcgcggcc gtctggaccg atggctgtgt agaagtactc gccgatagtg
gaaaccgacg 1020ccccagcact cgtccgaggg caaaggaata gagatctg
10586456DNAArtificialprimer 64agcgacctaa gcaacactag ccaacatgaa
aaagcctgaa ctcaccgcga cgtctg 566536DNAArtificialprimer
65cagatctcta ttcctttgcc ctcggacgag tgctgg
36661625DNAArtificialfusion DNA (Thraustochytrium aureum ATCC 34304
ubiquitin promoter-pcDNA 3.1/ Hygr) 66cccagatctg ccgcagcgcc tggtgcaccc
gccgggcgtt gttgtgtgct cttcttgcct 60ccgagagaga gagcggagcg gatgcatagg
aaatcgggcc acgcgggagg gccatgcgtt 120cgccccacac gccactttcc acgcccgctc
tctctccggc cggcaggcag cgcataactc 180tccgacgctg gcaggctggt agcaactggc
agggacaact cgcgcgcggg tcccggtcgt 240tcgatgtgcc aacccgagag aatccagcca
gcagggcggt tggcctcatc gcccacctgc 300tatggtgcag cgaaccaact cccgaagcgg
ccggttctgc gattccctct tctgaattct 360gaattctgaa ctgattccgg aggagaaccc
tctggaagcg cgggttgcct ctccagttct 420gccgaactag acaggggagt gagcagagag
tgaccctgac gcggagcgag ctggttgctg 480gaaaagtcgc gaacgctggg ctgtgtcacg
cgtccacttc gggcagaccc caaacgacaa 540gcagaacaag caacaccagc agcagcaagc
gacctaagca acactagcca acatgaaaaa 600gcctgaactc accgcgacgt ctgtcgagaa
gtttctgatc gaaaagttcg acagcgtctc 660cgacctgatg cagctctcgg agggcgaaga
atctcgtgct ttcagcttcg atgtaggagg 720gcgtggatat gtcctgcggg taaatagctg
cgccgatggt ttctacaaag atcgttatgt 780ttatcggcac tttgcatcgg ccgcgctccc
gattccggaa gtgcttgaca ttggggaatt 840cagcgagagc ctgacctatt gcatctcccg
ccgtgcacag ggtgtcacgt tgcaagacct 900gcctgaaacc gaactgcccg ctgttctgca
gccggtcgcg gaggccatgg atgcgatcgc 960tgcggccgat cttagccaga cgagcgggtt
cggcccattc ggaccgcaag gaatcggtca 1020atacactaca tggcgtgatt tcatatgcgc
gattgctgat ccccatgtgt atcactggca 1080aactgtgatg gacgacaccg tcagtgcgtc
cgtcgcgcag gctctcgatg agctgatgct 1140ttgggccgag gactgccccg aagtccggca
cctcgtgcac gcggatttcg gctccaacaa 1200tgtcctgacg gacaatggcc gcataacagc
ggtcattgac tggagcgagg cgatgttcgg 1260ggattcccaa tacgaggtcg ccaacatctt
cttctggagg ccgtggttgg cttgtatgga 1320gcagcagacg cgctacttcg agcggaggca
tccggagctt gcaggatcgc cgcggctccg 1380ggcgtatatg ctccgcattg gtcttgacca
actctatcag agcttggttg acggcaattt 1440cgatgatgca gcttgggcgc agggtcgatg
cgacgcaatc gtccgatccg gagccgggac 1500tgtcgggcgt acacaaatcg cccgcagaag
cgcggccgtc tggaccgatg gctgtgtaga 1560agtactcgcc gatagtggaa accgacgccc
cagcactcgt ccgagggcaa aggaatagag 1620atctg
16256725DNAArtificialprimer 67ccttcggcgc
tcctcttatg tatgt
256825DNAArtificialprimer 68caatgcaaga ggcgaactgg gagag
256925DNAArtificialprimer 69tggggctctg gaaccgctgc
ttacg 257025DNAArtificialprimer
70cttccagctc tcccagttcg cctct
257125DNAArtificialprimer 71cgggttgttg atgttgagcg aggtg
257225DNAArtificialprimer 72cccacgccat ccacgagcac
accac 2573957DNAArtificialcDNA
(Parietichytrium genomic DNA contains C20 elongase coding region)
73cccggatcca tggcagctcg cgtggagaaa cagcaggcac ctgcgaaggc cgccaagaag
60gtggggtcgc gtgtggaccg cagtgatggg ttctttcgca ctttcaacct ctgtgcgctg
120tacggaagcg cgttcgcgta cgcttacaac aatgggccag tggacaacga cggcaagggc
180ttgtactttt caaagtctcc attctacgca ttcctcgtct cggacgccat gaccttcggc
240gctcctctta tgtatgtaat tgctgtcatg gcactcagcc gatacatggc agacaagcag
300cccctcactg gcttcattaa aagctacatt cagccagttt acaacattgt gcaaatcgtg
360gtgtgctcgt ggatggcgtg gggccttttg ccacaggtgg acatcttcaa cctcaaccca
420ttcggtctca acaagcagcg tgatgccaac atcgagttct ttgtcatggt ccacctcctg
480acaaagttcc tcgactggac cgacaccttc atcatgattt tcaagaagaa ctatgcacag
540gtctcttttc tccaggtgtt ccaccatgcc accatcggaa tggtgtggtc cttcctcctc
600cagcgcggct ggggctctgg aaccgctgct tacggagcgt tcatcaactc ggtcacccat
660gtcatcatgt acactcatta ctttgtcacc tcgctcaaca tcaacaaccc gttcaagagg
720tacatcaccg gcttccagct ctcccagttc gcctcttgca ttgtacatgc tctcctcgtc
780cttgccttcg aggaggtgta ccccctcgag tacgcttacc ttcagatcag ctaccacatc
840atcatgctct acctcttcgg caggagaatg aactggagcc ctctctggtg cactggcgag
900gtcgacgggc ttgacgtcaa cgtcgagacc tccaagaagg ctcagtaagg atccggg
9577432DNAArtificialprimer 74cccggatcca tggcagctcg cgtggagaaa ca
327533DNAArtificialprimer 75cccggatcct
tactgagcct tcttggaggt ctc
3376936DNAArtificialgenomic DNA (Parietichytrium C20 elongase gene)
76atggcagctc gcgtggagaa acagcaggca cctgcgaagg ccgccaagaa ggtggggtcg
60cgtgtggacc gcagtgatgg gttctttcgc actttcaacc tctgtgcgct gtacggaagc
120gcgttcgcgt acgcttacaa caatgggcca gtggacaacg acggcaaggg cttgtacttt
180tcaaagtctc cattctacgc attcctcgtc tcggacgcca tgaccttcgg cgctcctctt
240atgtatgtaa ttgctgtcat ggcactcagc cgatacatgg cagacaagca gcccctcact
300ggcttcatta aaagctacat tcagccagtt tacaacattg tgcaaatcgt ggtgtgctcg
360tggatggcgt ggggcctttt gccacaggtg gacatcttca acctcaaccc attcggtctc
420aacaagcagc gtgatgccaa catcgagttc tttgtcatgg tccacctcct gacaaagttc
480ctcgactgga ccgacacctt catcatgatt ttcaagaaga actatgcaca ggtctctttt
540ctccaggtgt tccaccatgc caccatcgga atggtgtggt ccttcctcct ccagcgcggc
600tggggctctg gaaccgctgc ttacggagcg ttcatcaact cggtcaccca tgtcatcatg
660tacactcatt actttgtcac ctcgctcaac atcaacaacc cgttcaagag gtacatcacc
720ggcttccagc tctcccagtt cgcctcttgc attgtacatg ctctcctcgt ccttgccttc
780gaggaggtgt accccctcga gtacgcttac cttcagatca gctaccacat catcatgctc
840tacctcttcg gcaggagaat gaactggagc cctctctggt gcactggcga ggtcgacggg
900cttgacgtca acgtcgagac ctccaagaag gctcag
93677312PRTParietichytrium 77Met Ala Ala Arg Val Glu Lys Gln Gln Ala Pro
Ala Lys Ala Ala Lys 1 5 10
15 Lys Val Gly Ser Arg Val Asp Arg Ser Asp Gly Phe Phe Arg Thr Phe
20 25 30 Asn Leu
Cys Ala Leu Tyr Gly Ser Ala Phe Ala Tyr Ala Tyr Asn Asn 35
40 45 Gly Pro Val Asp Asn Asp Gly
Lys Gly Leu Tyr Phe Ser Lys Ser Pro 50 55
60 Phe Tyr Ala Phe Leu Val Ser Asp Ala Met Thr Phe
Gly Ala Pro Leu 65 70 75
80 Met Tyr Val Ile Ala Val Met Ala Leu Ser Arg Tyr Met Ala Asp Lys
85 90 95 Gln Pro Leu
Thr Gly Phe Ile Lys Ser Tyr Ile Gln Pro Val Tyr Asn 100
105 110 Ile Val Gln Ile Val Val Cys Ser
Trp Met Ala Trp Gly Leu Leu Pro 115 120
125 Gln Val Asp Ile Phe Asn Leu Asn Pro Phe Gly Leu Asn
Lys Gln Arg 130 135 140
Asp Ala Asn Ile Glu Phe Phe Val Met Val His Leu Leu Thr Lys Phe 145
150 155 160 Leu Asp Trp Thr
Asp Thr Phe Ile Met Ile Phe Lys Lys Asn Tyr Ala 165
170 175 Gln Val Ser Phe Leu Gln Val Phe His
His Ala Thr Ile Gly Met Val 180 185
190 Trp Ser Phe Leu Leu Gln Arg Gly Trp Gly Ser Gly Thr Ala
Ala Tyr 195 200 205
Gly Ala Phe Ile Asn Ser Val Thr His Val Ile Met Tyr Thr His Tyr 210
215 220 Phe Val Thr Ser Leu
Asn Ile Asn Asn Pro Phe Lys Arg Tyr Ile Thr 225 230
235 240 Gly Phe Gln Leu Ser Gln Phe Ala Ser Cys
Ile Val His Ala Leu Leu 245 250
255 Val Leu Ala Phe Glu Glu Val Tyr Pro Leu Glu Tyr Ala Tyr Leu
Gln 260 265 270 Ile
Ser Tyr His Ile Ile Met Leu Tyr Leu Phe Gly Arg Arg Met Asn 275
280 285 Trp Ser Pro Leu Trp Cys
Thr Gly Glu Val Asp Gly Leu Asp Val Asn 290 295
300 Val Glu Thr Ser Lys Lys Ala Gln 305
310 7826DNAArtificialprimer 78acaaagatct cgactggacc
gacacc 267927DNAArtificialprimer
79agtcgagatc tttgtcagga ggtggac
2780935DNAArtificialBglII inserted C20 elongase 80atggcagctc gcgtggagaa
acagcaggca cctgcgaagg ccgccaagaa ggtggggtcg 60cgtgtggacc gcagtgatgg
gttctttcgc actttcaacc tctgtgcgct gtacggaagc 120gcgttcgcgt acgcttacaa
caatgggcca gtggacaacg acggcaaggg cttgtacttt 180tcaaagtctc cattctacgc
attcctcgtc tcggacgcca tgaccttcgg cgctcctctt 240atgtatgtaa ttgctgtcat
ggcactcagc cgatacatgg cagacaagca gcccctcact 300ggcttcatta aaagctacat
tcagccagtt tacaacattg tgcaaatcgt ggtgtgctcg 360tggatggcgt ggggcctttt
gccacaggtg gacatcttca acctcaaccc attcggtctc 420aacaagcagc gtgatgccaa
catcgagttc tttgtcatgg tccacctcct gacaaagatc 480tcgactggac cgacaccttc
atcatgattt tcaagaagaa ctatgcacag gtctcttttc 540tccaggtgtt ccaccatgcc
accatcggaa tggtgtggtc cttcctcctc cagcgcggct 600ggggctctgg aaccgctgct
tacggagcgt tcatcaactc ggtcacccat gtcatcatgt 660acactcatta ctttgtcacc
tcgctcaaca tcaacaaccc gttcaagagg tacatcaccg 720gcttccagct ctcccagttc
gcctcttgca ttgtacatgc tctcctcgtc cttgccttcg 780aggaggtgta ccccctcgag
tacgcttacc ttcagatcag ctaccacatc atcatgctct 840acctcttcgg caggagaatg
aactggagcc ctctctggtg cactggcgag gtcgacgggc 900ttgacgtcaa cgtcgagacc
tccaagaagg ctcag
935812661DNAArtificialfusion DNA (Parietichytrium C20 elongase 5'
region/SV40 terminator/Neor/ubiquitin promoter/Parietichytrium C20
elongase 3' region) 81cccggatcca tggcagctcg cgtggagaaa cagcaggcac
ctgcgaaggc cgccaagaag 60gtggggtcgc gtgtggaccg cagtgatggg ttctttcgca
ctttcaacct ctgtgcgctg 120tacggaagcg cgttcgcgta cgcttacaac aatgggccag
tggacaacga cggcaagggc 180ttgtactttt caaagtctcc attctacgca ttcctcgtct
cggacgccat gaccttcggc 240gctcctctta tgtatgtaat tgctgtcatg gcactcagcc
gatacatggc agacaagcag 300cccctcactg gcttcattaa aagctacatt cagccagttt
acaacattgt gcaaatcgtg 360gtgtgctcgt ggatggcgtg gggccttttg ccacaggtgg
acatcttcaa cctcaaccca 420ttcggtctca acaagcagcg tgatgccaac atcgagttct
ttgtcatggt ccacctcctg 480acaaagatct agctagaggt cgacggtata cagacatgat
aagatacatt gatgagtttg 540gacaaaccac aactagaatg cagtgaaaaa aatgctttat
ttgtgaaatt tgtgatgcta 600ttgctttatt tgtaaccatt ataagctgca ataaacaagt
tggggtgggc gaagaactcc 660agcatgagat ccccgcgctg gaggatcatc cagccggcgt
cccggaaaac gattccgaag 720cccaaccttt catagaaggc ggcggtggaa tcgaaatctc
gtgatggcag gttgggcgtc 780gcttggtcgg tcatttcgcg gatctcaaaa gaactcgtcc
aggaggcggt agaacgcaat 840cctctggctg tccggggcgg cgatgccgta gagcacgaga
aagcggtcgg cccactcgcc 900gccaagctcc tcggcgatgt cccgcgtggc gagcgcgatg
tcttggtagc ggtccgccac 960gcccaggcgc ccgcagtcga taaagcccga gaagcggccg
ttctcgacca tgatgttggg 1020gaggcaggcg tcgccgtgcg tgaccacgag gtcctcgccg
tccggcatcc tagccttaag 1080cctggcgaac agttccgccg gcgcgaggcc ctggtgctcc
tcgtcgaggt cgtcttggtc 1140gacgaggcca gcctccatcc gcgtgcgggc gcgttcgatc
ctgtgcttcg cctggtggtc 1200gaaggggcag gtggcggggt cgagggtgtg caggcggcgc
atggcgtcgg ccatgatgga 1260caccttctca gcgggcgcga ggtggctgct gaggaggtcc
tggccgggca cttccccgag 1320gagcagccag tcgcggccgg cttcggtgac gacgtcgagc
acagcggcgc acggaacccc 1380cgtcgtggca agccagctga ggcgggcagc ttcgtcctgg
agctcgttga gggcgccgct 1440aaggtcggtc ttgacaaaca ggaccggccg gccctgcgcg
ctaaggcgga acacggccgc 1500gtccgagcag ccgatcgtct gctgagccca gtcgtagccg
aacagccgtt ccacccaagc 1560agcgggcgag ccagcgtgaa ggccgtcctg ttcaatcatg
ttggctagtg ttgcttaggt 1620cgcttgctgc tgctggtgtt gcttgttctg cttgtcgttt
ggggtctgcc cgaagtggac 1680gcgtgacaca gcccagcgtt cgcgactttt ccagcaacca
gctcgctccg cgtcagggtc 1740actctctgct cactcccctg tctagttcgg cagaactgga
gaggcaaccc gcgcttccag 1800agggttctcc tccggaatca gttcagaatt cagaattcag
aagagggaat cgcagaaccg 1860gccgcttcgg gagttggttc gctgcaccat agcaggtggg
cgatgaggcc aaccgccctg 1920ctggctggat tctctcgggt tggcacatcg aacgaccggg
acccgcgcgc gagttgtccc 1980tgccagttgc taccagcctg ccagcgtcgg agagttatgc
gctgcctgcc ggccggagag 2040agagcgggcg tggaaagtgg cgtgtggggc gaacgcatgg
ccctcccgcg tggcccgatt 2100tcctatgcat ccgctccgct ctctctctcg gaggcaagaa
gagcacacca acaacgcccg 2160gcgggtgcac caggcgctgc ggcagatcca gatctcgact
ggaccgacac cttcatcatg 2220attttcaaga agaactatgc acaggtctct tttctccagg
tgttccacca tgccaccatc 2280ggaatggtgt ggtccttcct cctccagcgc ggctggggct
ctggaaccgc tgcttacgga 2340gcgttcatca actcggtcac ccatgtcatc atgtacactc
attactttgt cacctcgctc 2400aacatcaaca acccgttcaa gaggtacatc accggcttcc
agctctccca gttcgcctct 2460tgcattgtac atgctctcct cgtccttgcc ttcgaggagg
tgtaccccct cgagtacgct 2520taccttcaga tcagctacca catcatcatg ctctacctct
tcggcaggag aatgaactgg 2580agccctctct ggtgcactgg cgaggtcgac gggcttgacg
tcaacgtcga gacctccaag 2640aaggctcagt aaggatccgg g
2661822892DNAArtificialfusion DNA (Parietichytrium
C20 elongase 5' region/SV40 terminator/Hygr/ubiquitin
promoter/Parietichytrium C20 elongase 3' region) 82cccggatcca
tggcagctcg cgtggagaaa cagcaggcac ctgcgaaggc cgccaagaag 60gtggggtcgc
gtgtggaccg cagtgatggg ttctttcgca ctttcaacct ctgtgcgctg 120tacggaagcg
cgttcgcgta cgcttacaac aatgggccag tggacaacga cggcaagggc 180ttgtactttt
caaagtctcc attctacgca ttcctcgtct cggacgccat gaccttcggc 240gctcctctta
tgtatgtaat tgctgtcatg gcactcagcc gatacatggc agacaagcag 300cccctcactg
gcttcattaa aagctacatt cagccagttt acaacattgt gcaaatcgtg 360gtgtgctcgt
ggatggcgtg gggccttttg ccacaggtgg acatcttcaa cctcaaccca 420ttcggtctca
acaagcagcg tgatgccaac atcgagttct ttgtcatggt ccacctcctg 480acaaagatct
agctagaggt cgacggtata cagacatgat aagatacatt gatgagtttg 540gacaaaccac
aactagaatg cagtgaaaaa aatgctttat ttgtgaaatt tgtgatgcta 600ttgctttatt
tgtaaccatt ataagctgca ataaacaagt tggggtgggc gaagaactcc 660agcatgagat
ccccgcgctg gaggatcatc cagccggcgt cccggaaaac gattccgaag 720cccaaccttt
catagaaggc ggcggtggaa tcgaaatctc gtgatggcag gttgggcgtc 780gcttggtcgg
tcatttcgcg gatctctatt cctttgccct cggacgagtg ctggggcgtc 840ggtttccact
atcggcgagt acttctacac agccatcggt ccagacggcc gcgcttctgc 900gggcgatttg
tgtacgcccg acagtcccgg ctccggatcg gacgattgcg tcgcatcgac 960cctgcgccca
agctgcatca tcgaaattgc cgtcaaccaa gctctgatag agttggtcaa 1020gaccaatgcg
gagcatatac gcccggagcc gcggcgatcc tgcaagctcc ggatgcctcc 1080gctcgaagta
gcgcgtctgc tgctccatac aagccaacca cggcctccag aagaagatgt 1140tggcgacctc
gtattgggaa tccccgaaca tcgcctcgct ccagtcaatg accgctgtta 1200tgcggccatt
gtccgtcagg acattgttgg agccgaaatc cgcgtgcacg aggtgccgga 1260cttcggggca
gtcctcggcc caaagcatca gctcatcgag agcctgcgcg acggacgcac 1320tgacggtgtc
gtccatcaca gtttgccagt gatacacatg gggatcagca atcgcgcata 1380tgaaatcacg
ccatgtagtg tattgaccga ttccttgcgg tccgaatggg ccgaacccgc 1440tcgtctggct
aagatcggcc gcagcgatcg catccatggc ctccgcgacc ggctgcagaa 1500cagcgggcag
ttcggtttca ggcaggtctt gcaacgtgac accctgtgca cggcgggaga 1560tgcaataggt
caggctctcg ctgaattccc caatgtcaag cacttccgga atcgggagcg 1620cggccgatgc
aaagtgccga taaacataac gatctttgta gaaaccatcg gcgcagctat 1680ttacccgcag
gacatatcca cgccctccta catcgaagct gaaagcacga gattcttcgc 1740cctccgagag
ctgcatcagg tcggagacgc tgtcgaactt ttcgatcaga aacttctcga 1800cagacgtcgc
ggtgagttca ggctttttca tgttggctag tgttgcttag gtcgcttgct 1860gctgctggtg
ttgcttgttc tgcttgtcgt ttggggtctg cccgaagtgg acgcgtgaca 1920cagcccagcg
ttcgcgactt ttccagcaac cagctcgctc cgcgtcaggg tcactctctg 1980ctcactcccc
tgtctagttc ggcagaactg gagaggcaac ccgcgcttcc agagggttct 2040cctccggaat
cagttcagaa ttcagaattc agaagaggga atcgcagaac cggccgcttc 2100gggagttggt
tcgctgcacc atagcaggtg ggcgatgagg ccaaccgccc tgctggctgg 2160attctctcgg
gttggcacat cgaacgaccg ggacccgcgc gcgagttgtc cctgccagtt 2220gctaccagcc
tgccagcgtc ggagagttat gcgctgcctg ccggccggag agagagcggg 2280cgtggaaagt
ggcgtgtggg gcgaacgcat ggccctcccg cgtggcccga tttcctatgc 2340atccgctccg
ctctctctct cggaggcaag aagagcacac aacaacgccc ggcgggtgca 2400ccaggcgctg
cggcagatcc agatctcgac tggaccgaca ccttcatcat gattttcaag 2460aagaactatg
cacaggtctc ttttctccag gtgttccacc atgccaccat cggaatggtg 2520tggtccttcc
tcctccagcg cggctggggc tctggaaccg ctgcttacgg agcgttcatc 2580aactcggtca
cccatgtcat catgtacact cattactttg tcacctcgct caacatcaac 2640aacccgttca
agaggtacat caccggcttc cagctctccc agttcgcctc ttgcattgta 2700catgctctcc
tcgtccttgc cttcgaggag gtgtaccccc tcgagtacgc ttaccttcag 2760atcagctacc
acatcatcat gctctacctc ttcggcagga gaatgaactg gagccctctc 2820tggtgcactg
gcgaggtcga cgggcttgac gtcaacgtcg agacctccaa gaaggctcag 2880taaggatccg
gg
28928320DNAArtificialprimer 83ggttgacggc aatttcgatg
208422DNAArtificialprimer 84cctcctacat
cgaagctgaa ag
228521DNAArtificialprimer 85cttctcgggc tttatcgact g
218622DNAArtificialprimer 86taaggtcggt cttgacaaac
ag 228724DNAArtificialprimer
87agtagtcccc gatttggtag ttga
248822DNAArtificialprimer 88ggcagagagc aaaaacacga gc
228923DNAArtificialprimer 89cgatgaaagg tcacagaaga
gtc
23903181DNAArtificialgenomic DNA (T. aureum ATCC 34304 OrfA
upstream) 90aagcttttgc tctgcggctc tgcttgttcg aagccaacgc gcctcgcgaa
gtatctgcaa 60tctgcactcc tccggagagt aagtacgtaa gtacgtgcgt ggtgcgcgcg
gattgcggtg 120acgaaagaga gggttgggtt ggagatgctg cggcatgccg ggcgactcga
gcagcatgtc 180gccgcgagag gacctggaaa gctttcggtt tggtccgctg ccgaggcgag
gctggcagag 240tactgcgggc ggagctctcg agggaatatg ctcctcaaag acggcgtgcg
cgtttgtgcc 300cccgaatccg aatgcggaga gtcctgcgcg tttcggcccg ccgcgcgtat
ccggccacgg 360gagcgccgct gtgacgacga ggggatcaat ctgggtgcca gagtcaacgc
ccagggtcgg 420ggggatcacg ccgcgctcca ttgcaaggag aaccttgcac attcccgcaa
agccggccgc 480gacgagggtg tgtccgaagt tgcctttcgt ggacccgatc cgggggcttg
cgccctcaaa 540gcaggctttg acggcttgga gctcgacggt gtcgccctgc ggcgtgccgg
tggcgtggca 600ctcgacgtac tggacgtctc ggggcggcac gccgacgagc tcgtaggtgg
ctttcaagca 660ggcctcctcg cttggctggt gcggcttgag aggaagcccg cagcctgcgt
tgctcaagct 720ggccccaaga agcgtcccgt agatgtggtc tccgtcgcgc tcggcgtccg
cgaggcgctt 780gagcaccatc accgagccgc cctcgccggg cgtcagccct tgcgtgtccc
gatgaaacgg 840catcgagaca ccgttctcac cgactggcat cgcgtggaac gtgctaaacc
cagtcaggat 900gaagaagggc tctgggaagc acgtcgctcc gcacagcatc aagtcagcct
cgcccgagag 960gaggtggtcc tgagcgagtc gcagaacgta aagggccgag gcgcaggcgg
cgtcgagcga 1020gtagtgcagc gggccgaggc cgagctgtcc ggcgacgaag gaggctgggt
cgcggtgggt 1080cctcgggtcc ccgggcagcg ggtgaagcgc tctggttcgc gtcgaccagg
gcgtttggtc 1140cgcgaagcaa tgcttgccaa tccgcctctc agcatgggct tggtaaaggt
tgagcagctc 1200gccttgcagg ttgtccatcg ggaaggacag gcagccgctg acaatgccgc
agcgcttgag 1260ctgcgctggg tcgaacttgc cgccgtcgct gcgcctgtcc tgcgcgtctt
gaagcgcagc 1320cgcggcgagg ccgaggagca ggtcgtgctc gttgtcgact ttgggatcga
tgcatccgta 1380cctctcgttg cagaacgtat cggcgtactt tgacctctcg ggcgcatagt
gctcttctcg 1440tcgtgctgac ccgaggcgat cgtctgagat acaggcagag ttgattttgc
cgttcatgag 1500cgtgtcccag aacgcttcct tgccgcggca ccctgcatac tcgaccgcca
tgcccacgac 1560agcgatccgc gtgtcagggc atgggtccgc gcgcgccacc gagacgccct
cgtcatttct 1620cccgccctgg ttcatctctt tctgagcctt gtggcctctt gctttcgatt
tcgatcggca 1680gctccaacgc gcagctcgat ggccgattgc ttgctaaggc ggcgtgcaga
caaccgctgc 1740tcgaggttct gggcaagccg aggttcgccg cagggttcgt ggaggcactg
ggatgttgtt 1800ttgcggcagc tgcagcgctt gcggagcgag cggcgcagga cgacgttttc
cgcgttcgcg 1860cgaagctgcc tctcggctat tgtgacccgc cgccgacgct ggcagagacg
tcgccgtcgg 1920ccaccgcacc tcgagatcaa ttcgcagagg ctggcagagc cggtagcatt
gcggcgtggc 1980attgcgtgtg ccatgtgcat gtgtggcaaa caaatccagc caacctccga
gtcgggcaga 2040ccgaccgtgt gagttctcgc tgttgactga tctcttgatt gagcccaata
atgatcacgg 2100cctgagatcc ttcgcgctga gagatgcatg cgggcgctcg ttcctgggtt
ggcgacccaa 2160cggcgagtca cgtcgcccac tccgccacgc cccacacatg gccgccgatc
cctcccgcca 2220cacgaacggc gggccaagat cgcacgcctc cgtcggacga tgactgactg
actgattggc 2280tgacgacggc cgccctcgtg cgcggcgtcg ggcgtcgtcg caaaccaggc
aggcaggcag 2340gaaggaagga aggaagggcc aggccctggt gcgaaacgct ggcctgctcc
gctgcaagcc 2400aagccgcgct cgcaggtgta cttccgagtc ctcgcgatga ttaggcaagc
ctgagcgagc 2460acgtaagctg cactgcggct gttcaaccag agagagagtt ggctctcttg
cgtcaaggcg 2520gcgcgcagcc cacttgcgtc gcggctgagg gcccctggag gggaggaagg
aggccggcga 2580gcggcgagtg gcggccctca ctggcaccag gtcgcaggag gccaggcagc
ccgccacgga 2640caggaatcct cagggcgcag cagcgcacta cgtagtgcag agacgcagag
cgggccggat 2700ccgcagtgcg gtcgcgccac cccgccgcgc agctcgctcg cggacggggt
ccgtggccgc 2760gcgaaaacgg acacggtgtg ggagcggaca tgggatcgag aacgccgttc
gccctgctcg 2820cgctgccagc agcaggagcc gtccgaagga cgagcggccg gccgcctgtc
ccccctccgc 2880gcactcgaag cgcgcccggc agcgccccat tgcgtgcgcg gatggcgtct
tggctggtcc 2940ctctcgaggc gcttgctcgt gctcgccacg ccttgtccgc ctcctcgctg
agcaagcgat 3000gagctgagca cggaccgcct gcaagtgcaa gtgttcttgt gctgcagggc
gccgaagaat 3060tggattctgg cccatgatca gtttgattgg gccgagggag ggagggaggc
tgggcgagtg 3120ggcgacacca gcaagccgga ctgcgagagg ggcggggcag gatgtgagcg
caggaaagtg 3180a
3181913377DNAArtificialgenomic DNA (T. aureum ATCC 34304 OrfA
upstream genomic DNA fragment) 91gaattcgatt aatacgactc actataggga
gaagcttttg ctctgcggct ctgcttgttc 60gaagccaacg cgcctcgcga agtatctgca
atctgcactc ctccggagag taagtacgta 120agtacgtgcg tggtgcgcgc ggattgcggt
gacgaaagag agggttgggt tggagatgct 180gcggcatgcc gggcgactcg agcagcatgt
cgccgcgaga ggacctggaa agctttcggt 240ttggtccgct gccgaggcga ggctggcaga
gtactgcggg cggagctctc gagggaatat 300gctcctcaaa gacggcgtgc gcgtttgtgc
ccccgaatcc gaatgcggag agtcctgcgc 360gtttcggccc gccgcgcgta tccggccacg
ggagcgccgc tgtgacgacg aggggatcaa 420tctgggtgcc agagtcaacg cccagggtcg
gggggatcac gccgcgctcc attgcaagga 480gaaccttgca cattcccgca aagccggccg
cgacgagggt gtgtccgaag ttgcctttcg 540tggacccgat ccgggggctt gcgccctcaa
agcaggcttt gacggcttgg agctcgacgg 600tgtcgccctg cggcgtgccg gtggcgtggc
actcgacgta ctggacgtct cggggcggca 660cgccgacgag ctcgtaggtg gctttcaagc
aggcctcctc gcttggctgg tgcggcttga 720gaggaagccc gcagcctgcg ttgctcaagc
tggccccaag aagcgtcccg tagatgtggt 780ctccgtcgcg ctcggcgtcc gcgaggcgct
tgagcaccat caccgagccg ccctcgccgg 840gcgtcagccc ttgcgtgtcc cgatgaaacg
gcatcgagac accgttctca ccgactggca 900tcgcgtggaa cgtgctaaac ccagtcagga
tgaagaaggg ctctgggaag cacgtcgctc 960cgcacagcat caagtcagcc tcgcccgaga
ggaggtggtc ctgagcgagt cgcagaacgt 1020aaagggccga ggcgcaggcg gcgtcgagcg
agtagtgcag cgggccgagg ccgagctgtc 1080cggcgacgaa ggaggctggg tcgcggtggg
tcctcgggtc cccgggcagc gggtgaagcg 1140ctctggttcg cgtcgaccag ggcgtttggt
ccgcgaagca atgcttgcca atccgcctct 1200cagcatgggc ttggtaaagg ttgagcagct
cgccttgcag gttgtccatc gggaaggaca 1260ggcagccgct gacaatgccg cagcgcttga
gctgcgctgg gtcgaacttg ccgccgtcgc 1320tgcgcctgtc ctgcgcgtct tgaagcgcag
ccgcggcgag gccgaggagc aggtcgtgct 1380cgttgtcgac tttgggatcg atgcatccgt
acctctcgtt gcagaacgta tcggcgtact 1440ttgacctctc gggcgcatag tgctcttctc
gtcgtgctga cccgaggcga tcgtctgaga 1500tacaggcaga gttgattttg ccgttcatga
gcgtgtccca gaacgcttcc ttgccgcggc 1560accctgcata ctcgaccgcc atgcccacga
cagcgatccg cgtgtcaggg catgggtccg 1620cgcgcgccac cgagacgccc tcgtcatttc
tcccgccctg gttcatctct ttctgagcct 1680tgtggcctct tgctttcgat ttcgatcggc
agctccaacg cgcagctcga tggccgattg 1740cttgctaagg cggcgtgcag acaaccgctg
ctcgaggttc tgggcaagcc gaggttcgcc 1800gcagggttcg tggaggcact gggatgttgt
tttgcggcag ctgcagcgct tgcggagcga 1860gcggcgcagg acgacgtttt ccgcgttcgc
gcgaagctgc ctctcggcta ttgtgacccg 1920ccgccgacgc tggcagagac gtcgccgtcg
gccaccgcac ctcgagatca attcgcagag 1980gctggcagag ccggtagcat tgcggcgtgg
cattgcgtgt gccatgtgca tgtgtggcaa 2040acaaatccag ccaacctccg agtcgggcag
accgaccgtg tgagttctcg ctgttgactg 2100atctcttgat tgagcccaat aatgatcacg
gcctgagatc cttcgcgctg agagatgcat 2160gcgggcgctc gttcctgggt tggcgaccca
acggcgagtc acgtcgccca ctccgccacg 2220ccccacacat ggccgccgat ccctcccgcc
acacgaacgg cgggccaaga tcgcacgcct 2280ccgtcggacg atgactgact gactgattgg
ctgacgacgg ccgccctcgt gcgcggcgtc 2340gggcgtcgtc gcaaaccagg caggcaggca
ggaaggaagg aaggaagggc caggccctgg 2400tgcgaaacgc tggcctgctc cgctgcaagc
caagccgcgc tcgcaggtgt acttccgagt 2460cctcgcgatg attaggcaag cctgagcgag
cacgtaagct gcactgcggc tgttcaacca 2520gagagagagt tggctctctt gcgtcaaggc
ggcgcgcagc ccacttgcgt cgcggctgag 2580ggcccctgga ggggaggaag gaggccggcg
agcggcgagt ggcggccctc actggcacca 2640ggtcgcagga ggccaggcag cccgccacgg
acaggaatcc tcagggcgca gcagcgcact 2700acgtagtgca gagacgcaga gcgggccgga
tccgcagtgc ggtcgcgcca ccccgccgcg 2760cagctcgctc gcggacgggg tccgtggccg
cgcgaaaacg gacacggtgt gggagcggac 2820atgggatcga gaacgccgtt cgccctgctc
gcgctgccag cagcaggagc cgtccgaagg 2880acgagcggcc ggccgcctgt cccccctccg
cgcactcgaa gcgcgcccgg cagcgcccca 2940ttgcgtgcgc ggatggcgtc ttggctggtc
cctctcgagg cgcttgctcg tgctcgccac 3000gccttgtccg cctcctcgct gagcaagcga
tgagctgagc acggaccgcc tgcaagtgca 3060agtgttcttg tgctgcaggg cgccgaagaa
ttggattctg gcccatgatc agtttgattg 3120ggccgaggga gggagggagg ctgggcgagt
gggcgacacc agcaagccgg actgcgagag 3180gggcggggca ggatgtgagc gcaggaaagt
gacgcaagtg catccggcca tcattgggcc 3240atcattgggc catcattggt gttttgggcc
gcgctttgcg gatcgtccgg ccgatcaggt 3300acgaggccac gaacctacgt cgtttgccgc
gctcaggctg gttggttgca cttggactct 3360tctgtgacct ttcatcg
33779221DNAArtificialprimer 92cagggcgagc
gagtgtggtt c
21931160DNAArtificialgenomic DNA (T. aureum ATCC 34304 OrfA
downstream) 93tggctctcga ccaaagccga gtagagtact ctactcagta ctcttttcac
ataccggcag 60gcagtgttgc tgtgggattg gtccgggggc tcttctgcac gcggcctccg
tcgcgcgcag 120aaatgccccg tcactggctg cccaggaggc agccgaatcc ctctagctag
ctagctaggc 180tagagcgtct tttccgtagt ttttcacaaa gccagtatca catggataac
gaacgaaggt 240ttcgggctcg cgctcgcagg cgttaggacg aagttgatcg ccccacgtca
cttcaaacga 300gtgaaccaag atcacgttgc atctgctcgc aagatcttct tcttccacgc
cgcatcgatg 360cgatggattt caaactcttt tcagggcttt taggtgagta tggcagcgct
gtttgcgtgg 420cagcgctgtt tgcgtggttg tactctctaa aggtgcttcc acgcatgcgc
gcacaaaggg 480gcatggcatg gttggcggcg cactctggcc ctcatttgaa gcagactatc
gaagggtcca 540gttggtactg cggcaggtcc ggcgagagca agcgcggcgg tcgctcccac
tcgtccctgc 600acagttgctg gactggcgac ggctggcgca cctgactacg agaagactcg
agacgcacag 660aggtagtcag ggacgaccga ccgcaaagca caaaccgctc caaaacggcc
gcaccaggca 720gggcagtaaa ctaaaaacga atgtacctcc atcgcgcgta tctgccgagc
ctcctcccac 780gcttcggctg ggcttgattc accagtgtcc gcaagctgaa ccgaccgtct
tcgatgtcat 840gaagcttggc gcggcattag tcagacgacg cggcacgcca ggattctgtc
ggtttctggg 900aaatgggcat ctatatagct gattccctct gtcatgaggc ggccttgttc
tggccctggg 960ccgccgttcg gatgatctat gatgtcgttg tacgcataaa gcttgtcgaa
aacgtcggcc 1020atgtcttcct cagagatgta accgagcggc gcgtcgtggc gattgatgcc
gatgctacaa 1080aagccgccga gttagctcga atgtcagatg cattgcgggc tggcccgcat
ggcgcgggcg 1140cagcagcgag aggttctaga
1160941204DNAArtificialgenomic DNA (T. aureum ATCC 34304 OrfA
downstream genomic DNA fragment) 94cagggcgagc gagtgtggtt ctgaacaagg
ctctttcgtt ttgatggctc tcgaccaaag 60ccgagtagag tactctactc agtactcttt
tcacataccg gcaggcagtg ttgctgtggg 120attggtccgg gggctcttct gcacgcggcc
tccgtcgcgc gcagaaatgc cccgtcactg 180gctgcccagg aggcagccga atccctctag
ctagctagct aggctagagc gtcttttccg 240tagtttttca caaagccagt atcacatgga
taacgaacga aggtttcggg ctcgcgctcg 300caggcgttag gacgaagttg atcgccccac
gtcacttcaa acgagtgaac caagatcacg 360ttgcatctgc tcgcaagatc ttcttcttcc
acgccgcatc gatgcgatgg atttcaaact 420cttttcaggg cttttaggtg agtatggcag
cgctgtttgc gtggcagcgc tgtttgcgtg 480gttgtactct ctaaaggtgc ttccacgcat
gcgcgcacaa aggggcatgg catggttggc 540ggcgcactct ggccctcatt tgaagcagac
tatcgaaggg tccagttggt actgcggcag 600gtccggcgag agcaagcgcg gcggtcgctc
ccactcgtcc ctgcacagtt gctggactgg 660cgacggctgg cgcacctgac tacgagaaga
ctcgagacgc acagaggtag tcagggacga 720ccgaccgcaa agcacaaacc gctccaaaac
ggccgcacca ggcagggcag taaactaaaa 780acgaatgtac ctccatcgcg cgtatctgcc
gagcctcctc ccacgcttcg gctgggcttg 840attcaccagt gtccgcaagc tgaaccgacc
gtcttcgatg tcatgaagct tggcgcggca 900ttagtcagac gacgcggcac gccaggattc
tgtcggtttc tgggaaatgg gcatctatat 960agctgattcc ctctgtcatg aggcggcctt
gttctggccc tgggccgccg ttcggatgat 1020ctatgatgtc gttgtacgca taaagcttgt
cgaaaacgtc ggccatgtct tcctcagaga 1080tgtaaccgag cggcgcgtcg tggcgattga
tgccgatgct acaaaagccg ccgagttagc 1140tcgaatgtca gatgcattgc gggctggccc
gcatggcgcg ggcgcagcag cgagaggttc 1200taga
12049520DNAArtificialprimer 95tgatgccgat
gctacaaaag
20961488DNAArtificialgenomic DNA (T. aureum ATCC 34304 OrfA
downstream genomic DNA fragment) 96aagcttgtac ggtgaaaagc cctttggcgc
agcccgaaac aagtcttgct tctcctgccc 60cgtcaaactc gcaaactctg gcagcaactc
ccgcacgctc tgtaccacgg cgaacccaag 120ggcaggcacg cggtgaaacg acttgcatgc
ttgcacaaca acccccttgc cgacgtcgac 180gcggtcgcct tcggagagcc caaacacagc
gaacgccgga tccgcctgcg cctctgcatg 240cgcctctgca tgcgcctcga catgcgcctc
ggcctccgtg cctgcttgcc gggccggcgg 300ggcagcagga agtgcgtggc cgaggtccat
cgcatcaaag gctcgcttcg cggcgtgaaa 360ggcctcgagc gcctccgccg gcaagtacac
cttggtcttg cacttgagca tgctcctgat 420ccgcgcgtag aggaagacgg ccgcgcagtg
gtccaggtgc ccgtgcgaca agaacacgtg 480ctccgccctc gccgcggcct tgtccggctc
gtccccgagc gacccgcagt cgaactgcaa 540gcagacccgc gagcccaggt ccacttgcag
cgccgtgccg cagccggccc tcgactgccc 600cgtcacgcgg acgtgcgagg ccatctcccg
ccgcgagcct ggagcgccag agcctcctgc 660tgctgccgtg ccgcctcggg gggcgcgagg
agggtctcgc ctgatgcagc gcgcggggcc 720gacgcagcag cgcgggtgga ggaagactgc
gctgtgggcg gcggccctcg ggctgctgct 780cttgtggctc ctgtccgtgc gctcgttcgt
gcacggcgtg gcggacaggg aggcggacgc 840cgtcgccccg cgcgagggcc ccagggcgcc
ggcgccaaag aggactggcg ggaggaatga 900tatgcccgct gagcctgccg ctggtaggcc
cgcgcacagc tcgcctcgag ggacgcccga 960cggcaacgcg gtcgagtgct ccacgaccaa
gggcccgttc cgcgtggtcc tcacgcctag 1020cctagcgccg aacgggacca agtttttcat
cgggctggtg gaagcaggct atttcgacca 1080aggcatcgcc ttctttcgcg tcaacaaggc
catcacgcag ttcgggatca ccaagcgaag 1140gccacgcgat gaggatccgt tcgtgcagtt
cagaggcggg gcccagcgcg acgagaaccc 1200tttcggtggc gtggaggatg acgaggagag
tgtccatcgc aggcacatgc acccgtggcg 1260gcgcggcacg attgcctcga taggcggctt
ccactttgtt gtcacgatcc gcggggacaa 1320aaagtaagtt cttgaatgtt gtgaagtgcg
ccaactcgcg ttcggagcgg acctggaccg 1380atattcagca atctagaacc tctcgctgct
gcgcccgcgc catgcgggcc agcccgcaat 1440gcatctgaca ttcgagctaa ctcggcggct
tttgtagcat cggcatca 1488972551DNAArtificialgenomic DNA (T.
aureum ATCC 34304 OrfA downstream genomic DNA fragment)
97tggctctcga ccaaagccga gtagagtact ctactcagta ctcttttcac ataccggcag
60gcagtgttgc tgtgggattg gtccgggggc tcttctgcac gcggcctccg tcgcgcgcag
120aaatgccccg tcactggctg cccaggaggc agccgaatcc ctctagctag ctagctaggc
180tagagcgtct tttccgtagt ttttcacaaa gccagtatca catggataac gaacgaaggt
240ttcgggctcg cgctcgcagg cgttaggacg aagttgatcg ccccacgtca cttcaaacga
300gtgaaccaag atcacgttgc atctgctcgc aagatcttct tcttccacgc cgcatcgatg
360cgatggattt caaactcttt tcagggcttt taggtgagta tggcagcgct gtttgcgtgg
420cagcgctgtt tgcgtggttg tactctctaa aggtgcttcc acgcatgcgc gcacaaaggg
480gcatggcatg gttggcggcg cactctggcc ctcatttgaa gcagactatc gaagggtcca
540gttggtactg cggcaggtcc ggcgagagca agcgcggcgg tcgctcccac tcgtccctgc
600acagttgctg gactggcgac ggctggcgca cctgactacg agaagactcg agacgcacag
660aggtagtcag ggacgaccga ccgcaaagca caaaccgctc caaaacggcc gcaccaggca
720gggcagtaaa ctaaaaacga atgtacctcc atcgcgcgta tctgccgagc ctcctcccac
780gcttcggctg ggcttgattc accagtgtcc gcaagctgaa ccgaccgtct tcgatgtcat
840gaagcttggc gcggcattag tcagacgacg cggcacgcca ggattctgtc ggtttctggg
900aaatgggcat ctatatagct gattccctct gtcatgaggc ggccttgttc tggccctggg
960ccgccgttcg gatgatctat gatgtcgttg tacgcataaa gcttgtcgaa aacgtcggcc
1020atgtcttcct cagagatgta accgagcggc gcgtcgtggc gattgatgcc gatgctacaa
1080aagccgccga gttagctcga atgtcagatg cattgcgggc tggcccgcat ggcgcgggcg
1140cagcagcgag aggttctaga ttgctgaata tcggtccagg tccgctccga acgcgagttg
1200gcgcacttca caacattcaa gaacttactt tttgtccccg cggatcgtga caacaaagtg
1260gaagccgcct atcgaggcaa tcgtgccgcg ccgccacggg tgcatgtgcc tgcgatggac
1320actctcctcg tcatcctcca cgccaccgaa agggttctcg tcgcgctggg ccccgcctct
1380gaactgcacg aacggatcct catcgcgtgg ccttcgcttg gtgatcccga actgcgtgat
1440ggccttgttg acgcgaaaga aggcgatgcc ttggtcgaaa tagcctgctt ccaccagccc
1500gatgaaaaac ttggtcccgt tcggcgctag gctaggcgtg aggaccacgc ggaacgggcc
1560cttggtcgtg gagcactcga ccgcgttgcc gtcgggcgtc cctcgaggcg agctgtgcgc
1620gggcctacca gcggcaggct cagcgggcat atcattcctc ccgccagtcc tctttggcgc
1680cggcgccctg gggccctcgc gcggggcgac ggcgtccgcc tccctgtccg ccacgccgtg
1740cacgaacgag cgcacggaca ggagccacaa gagcagcagc ccgagggccg ccgcccacag
1800cgcagtcttc ctccacccgc gctgctgcgt cggccccgcg cgctgcatca ggcgagaccc
1860tcctcgcgcc ccccgaggcg gcacggcagc agcaggaggc tctggcgctc caggctcgcg
1920gcgggagatg gcctcgcacg tccgcgtgac ggggcagtcg agggccggct gcggcacggc
1980gctgcaagtg gacctgggct cgcgggtctg cttgcagttc gactgcgggt cgctcgggga
2040cgagccggac aaggccgcgg cgagggcgga gcacgtgttc ttgtcgcacg ggcacctgga
2100ccactgcgcg gccgtcttcc tctacgcgcg gatcaggagc atgctcaagt gcaagaccaa
2160ggtgtacttg ccggcggagg cgctcgaggc ctttcacgcc gcgaagcgag cctttgatgc
2220gatggacctc ggccacgcac ttcctgctgc cccgccggcc cggcaagcag gcacggaggc
2280cgaggcgcat gtcgaggcgc atgcagaggc gcatgcagag gcgcaggcgg atccggcgtt
2340cgctgtgttt gggctctccg aaggcgaccg cgtcgacgtc ggcaaggggg ttgttgtgca
2400agcatgcaag tcgtttcacc gcgtgcctgc ccttgggttc gccgtggtac agagcgtgcg
2460ggagttgctg ccagagtttg cgagtttgac ggggcaggag aagcaagact tgtttcgggc
2520tgcgccaaag ggcttttcac cgtacaagct t
2551981835DNAArtificial18S rDNA (T. aureum ATCC 34304) 98cgaatattcc
tggttgatcc tgccagtagt catacgctta tctcaaagat taagccatgc 60atgtctaagt
ataaaggctt atactctgaa actgcgaacg gctcattata tcagttatag 120tttctttgat
agtgtttttt ctacatggat acttgtggca aatctagaaa caatacatgc 180gtacaggcct
gactttgggg gagggctgca tttatttgac ttaagccaat acccctcggg 240gttgttttgg
tgattcagaa taactgagcg aatcgcatag ctttcgggcg gcgatgaatc 300atttcaagtt
tctgccccat cagctgtcga tggtagggta taggcctacc atggctgtca 360cgggtgacgg
agaattaggg ttcgattccg gagagggagc ctgagagacg gctaccacat 420ccaaggaagg
cagcaggcgc gtaaattact caatgttgac tcgacgaagt agtgacgaga 480attaacaatg
cggagcgctc agcgttttgc aattggaatg agagcaatgt aaaagcctca 540tcgaggatcc
attggagggc aagtctggtg ccagcagccg cggtaattcc agctccaata 600gcgtatacta
aagttgttgc agttaaaaag ctcgtagttg aacctctggt agggccgacc 660ttggcgcgcg
gtgaatgccg cgtcgtttag aagcgtcgtg cccggccatc ctcccccggt 720cttttgggct
gggggtcgtt tactgtaaaa aaaatagagt gttccaagca gggggtaata 780tcccggtata
tagtagtatg gaataatgag ataggacttt ggtactattt tgttggtttg 840catgccaagg
taatgattaa gagggacagt tgggggtatt cgtatttaga tgtcagaggt 900gaaattcttg
gattttcgaa agacgaacta ctgcgaaagc atttaccaag gatgttttca 960ttaatcaaga
acgaaagtta ggggatcgaa gatgattaga taccatcgta gtcttaaccg 1020taaactatgc
cgacttgcga ttgtccggcg tcgcttttag atgacctggg cagcagcaca 1080tgagaaatca
aagtctttgg gttccggggg gagtatggtc gcaaggctga aacttaaagg 1140aattgacgga
agggcaccac caggagtgga gcctgcggct taatttgact caacacggga 1200aaacttacca
ggtccggaca taggaaggat tgacagattg agagctcttt cttgattcta 1260tgggtggtgg
tgcatggccg ttcttagttg gtggagtgat ttgtctggtt aattccgtta 1320acgaacgaga
ccacagccta ctaaatagtg gccgttatgg cgacatagcg gtgaacttct 1380tagagggaca
tttcgggtat accggaagga agtttgtggc aataacaggt ctgtgatgcc 1440cttagatgtt
ctgggccgca cgcgcgctac actgatcggt tcaacgagta tttgtttttt 1500tctcattttg
ggagggggca gagtccttgg ccggaaggtc tgggtaatct tttgaatgcc 1560gatcgtgatg
gggctagatt tttgcaatta ttaatctcca acgaggaatt cctagtagac 1620gcaagtcatc
agcttgcatc gattacgtcc ctgccctttg tacacaccgc ccgtcgcacc 1680taccgattga
acgatccggt gagaccttgg gattctgttg tggctgattc attttggctg 1740cgatgggaga
acttgagcaa accttatcgt ttagaggaag gtgaagtcgt aacaaggttt 1800ccgtagtgaa
cctgcaattc aaaaaaagcc gttac
18359930DNAArtificialprimer 99cgaatattcc tggttgatcc tgccagtagt
3010046DNAArtificialprimer 100gtaacggctt
tttttgaatt gcaggttcac tacgcttgtt agaaac
46101661DNAArtificialEF1 alpha promoter (T. aureum ATCC 34304)
101ggtttccgta gtgaacctgc aattcaaaaa aagccgttac tcacatcagg ccgccactca
60tccgggcgaa agcttcgcgc attcgtcctc gtcacctcgg gtcccctgtg tcgtgacgga
120aagcgcgacg agacgcggcc gcagcagaga gccccggggg cccgcgtcac ggggggcctg
180gcggcggtcc tccttaagcc aaaccgaggg ttagggctcc aggctgttcg gcggggtcgc
240gggcgcggtg gacgcgcggg gccgcctagc acctcctagc gcgcgactac caggatagcc
300cccgcgagtg cgcagggcgg tccgcggggc ggagggcggc ccagcagcgc ggcgcggcgg
360gcgggtgcgg ctgcgtaagg tggcggcggg cgcgggcggt tagtgttggt gttaggtcgc
420ggcggggctg tgttccgggc atccgcctta cggcggtgca tactggttgg ctgggaggcg
480gtttgcgggg ttagataggc ggccaaggtg agctgcgttg ggcggataaa tccgtggagg
540cgctcgttga cggcgcggca gagacggaac gcggagcagc acggagtagc aagcaggagt
600agcaggagta gcaagcagcg gcaaaggaag gctagatgat tgaacaggac ggccttcacg
660c
66110246DNAArtificialprimer 102ggtttccgta gtgaacctgc aattcaaaaa
aagccgttac tcacat 4610346DNAArtificialprimer
103gcgtgaaggc cgtcctgttc aatcatctag ccttcctttg ccgctg
46104835DNAArtificialNeomycin resistance gene (Neor) 104catcggcaaa
ggaaggctag atgattgaac aggacggcct tcacgctggc tcgcccgctg 60cttgggtgga
acggctgttc ggctacgact gggctcagca gacgatcggc tgctcggacg 120cggccgtgtt
ccgccttagc gcgcagggcc ggccggtcct gtttgtcaag accgacctta 180gcggcgccct
caacgagctc caggacgaag ctgcccgcct cagctggctt gccacgacgg 240gggttccgtg
cgccgctgtg ctcgacgtcg tcaccgaagc cggccgcgac tggctgctcc 300tcggggaagt
gcccggccag gacctcctca gcagccacct cgcgcccgct gagaaggtgt 360ccatcatggc
cgacgccatg cgccgcctgc acaccctcga ccccgccacc tgccccttcg 420accaccaggc
gaagcacagg atcgaacgcg cccgcacgcg gatggaggct ggcctcgtcg 480accaagacga
cctcgacgag gagcaccagg gcctcgcgcc ggcggaactg ttcgccaggc 540ttaaggctag
gatgccggac ggcgaggacc tcgtggtcac gcacggcgac gcctgcctcc 600ccaacatcat
ggtcgagaac ggccgcttct cgggctttat cgactgcggg cgcctgggcg 660tggcggaccg
ctaccaagac atcgcgctcg ccacgcggga catcgccgag gagcttggcg 720gcgagtgggc
cgaccgcttt ctcgtgctct acggcatcgc cgccccggac agccagagga 780ttgcgttcta
ccgcctcctg gacgagttct tttgagatcc gcgccggcta tgcgc
83510545DNAArtificialprimer 105catcggcaaa ggaaggctag atgattgaac
aggacggcct tcacg 4510646DNAArtificialprimer
106gcgcatagcc ggcgcggatc tcaaaagaac tcgtccagga ggcggt
461071249DNAArtificialEF1 alpha terminator (T. aureum ATCC 34304)
107tcctggacga gttcttttga gatccgcgcc ggctatgcgc ccgtgctcga ctgccacact
60gcccacattg cctgcaagtt cgctgagctc cagaacaaga tggaccgccg ctcgggcaag
120attctcgagg agacccccaa gttcatcaag tcgggtggac tctgccatgg tcaagatgta
180tcccctccaa gcgcatgtgc gtcgagtcct tcaccgagta cccgccgctc ggccgctttg
240ccgtgcgcga catgcgcgtc accgtcgctg tcggcgtcat caagtccgtc accaagggcg
300acaaataaat tctacgaaag atttttttcc tcaagaagcg ccctaaagtt gacccctagc
360agcgacgact gtgtgtgccg ttgtgagtcg agttgcgatg tcgtgcagcg cccgtcgcgt
420cccatgctcg cgcgcgactc cgtctctgct tttcatctca agtcaagagt gggaagttcc
480cttgctttat ctcactattt agaggtcgct cacggctgct ggttcctcgt cgcatgtagc
540acagcctcgt ccaatcgcag cctgcaccac cccgctcgcc tgggaaaatg cgctcagcgg
600attcgcactg gcactcctct cctcggacag gtgcgatgtg gaagcggtca catcctcggc
660gccctcggcc acgccagcat ctgcgcaatc gctctcctcg ttctcagccg caaccgcagg
720caggccgacg tcgtttacct cggaatccac cgagcatttc gagcccatcg cgctggcgtc
780cacctcgatc ataccttctc catcgccgtc cgctgcggct tccgattctt ctgctgccgc
840aaccgcgacg tcggcccccg tctcctccgt tctttccgat gccggcgcag tggccgcgcc
900ctctgctcga accggctcgt gttcagcgtc agggcctgcg cttgagctcg ggcggctctt
960ccgagtgatc cggccccgcg aggcaaggaa tcggcggctc tggagtgtcg gggcagccgc
1020tctcactgcc ggtctttggc tggctgcctg tcctgcctcg cgttggcctt tgcttttgcc
1080taggctttcg ccttggtgac ggcgtttgcc tgctgcggcg acttggcgcg gccgcggaat
1140agcgcctcaa agtcctgctc gaggcgcccc agctctgact tgatttgcga ggtcccggtg
1200gcatgagctc cgctgccctc gtccttacgg cccgtctttc gctgcagtg
124910846DNAArtificialprimer 108tcctggacga gttcttttga gatccgcgcc
ggctatgcgc ccgtgc 4610930DNAArtificialprimer
109cactgcagcg aaagacgggc cgtaaggacg
301104453DNAArtificialfusion DNA (T. aureum ATCC 34304 18S rDNA/T.
aureum ATCC 34304 EF1 alpha promoter/Neor/T. aureum ATCC 34304 EF1
alpha terminator) 110cgaatattcc tggttgatcc tgccagtagt catacgctta
tctcaaagat taagccatgc 60atgtctaagt ataaaggctt atactctgaa actgcgaacg
gctcattata tcagttatag 120tttctttgat agtgtttttt ctacatggat acttgtggca
aatctagaaa caatacatgc 180gtacaggcct gactttgggg gagggctgca tttatttgac
ttaagccaat acccctcggg 240gttgttttgg tgattcagaa taactgagcg aatcgcatag
ctttcgggcg gcgatgaatc 300atttcaagtt tctgccccat cagctgtcga tggtagggta
taggcctacc atggctgtca 360cgggtgacgg agaattaggg ttcgattccg gagagggagc
ctgagagacg gctaccacat 420ccaaggaagg cagcaggcgc gtaaattact caatgttgac
tcgacgaagt agtgacgaga 480attaacaatg cggagcgctc agcgttttgc aattggaatg
agagcaatgt aaaagcctca 540tcgaggatcc attggagggc aagtctggtg ccagcagccg
cggtaattcc agctccaata 600gcgtatacta aagttgttgc agttaaaaag ctcgtagttg
aacctctggt agggccgacc 660ttggcgcgcg gtgaatgccg cgtcgtttag aagcgtcgtg
cccggccatc ctcccccggt 720cttttgggct gggggtcgtt tactgtaaaa aaaatagagt
gttccaagca gggggtaata 780tcccggtata tagtagtatg gaataatgag ataggacttt
ggtactattt tgttggtttg 840catgccaagg taatgattaa gagggacagt tgggggtatt
cgtatttaga tgtcagaggt 900gaaattcttg gattttcgaa agacgaacta ctgcgaaagc
atttaccaag gatgttttca 960ttaatcaaga acgaaagtta ggggatcgaa gatgattaga
taccatcgta gtcttaaccg 1020taaactatgc cgacttgcga ttgtccggcg tcgcttttag
atgacctggg cagcagcaca 1080tgagaaatca aagtctttgg gttccggggg gagtatggtc
gcaaggctga aacttaaagg 1140aattgacgga agggcaccac caggagtgga gcctgcggct
taatttgact caacacggga 1200aaacttacca ggtccggaca taggaaggat tgacagattg
agagctcttt cttgattcta 1260tgggtggtgg tgcatggccg ttcttagttg gtggagtgat
ttgtctggtt aattccgtta 1320acgaacgaga ccacagccta ctaaatagtg gccgttatgg
cgacatagcg gtgaacttct 1380tagagggaca tttcgggtat accggaagga agtttgtggc
aataacaggt ctgtgatgcc 1440cttagatgtt ctgggccgca cgcgcgctac actgatcggt
tcaacgagta tttgtttttt 1500tctcattttg ggagggggca gagtccttgg ccggaaggtc
tgggtaatct tttgaatgcc 1560gatcgtgatg gggctagatt tttgcaatta ttaatctcca
acgaggaatt cctagtagac 1620gcaagtcatc agcttgcatc gattacgtcc ctgccctttg
tacacaccgc ccgtcgcacc 1680taccgattga acgatccggt gagaccttgg gattctgttg
tggctgattc attttggctg 1740cgatgggaga acttgagcaa accttatcgt ttagaggaag
gtgaagtcgt aacaaggttt 1800ccgtagtgaa cctgcaattc aaaaaaagcc gttactcaca
tcaggccgcc actcatccgg 1860gcgaaagctt cgcgcattcg tcctcgtcac ctcgggtccc
ctgtgtcgtg acggaaagcg 1920cgacgagacg cggccgcagc agagagcccc gggggcccgc
gtcacggggg gcctggcggc 1980ggtcctcctt aagccaaacc gagggttagg gctccaggct
gttcggcggg gtcgcgggcg 2040cggtggacgc gcggggccgc ctagcacctc ctagcgcgcg
actaccagga tagcccccgc 2100gagtgcgcag ggcggtccgc ggggcggagg gcggcccagc
agcgcggcgc ggcgggcggg 2160tgcggctgcg taaggtggcg gcgggcgcgg gcggttagtg
ttggtgttag gtcgcggcgg 2220ggctgtgttc cgggcatccg ccttacggcg gtgcatactg
gttggctggg aggcggtttg 2280cggggttaga taggcggcca aggtgagctg cgttgggcgg
ataaatccgt ggaggcgctc 2340gttgacggcg cggcagagac ggaacgcgga gcagcacgga
gtagcaagca ggagtagcag 2400gagtagcaag catggcaaag gaaggctaga tgattgaaca
ggacggcctt cacgctggct 2460cgcccgctgc ttgggtggaa cggctgttcg gctacgactg
ggctcagcag acgatcggct 2520gctcggacgc ggccgtgttc cgccttagcg cgcagggccg
gccggtcctg tttgtcaaga 2580ccgaccttag cggcgccctc aacgagctcc aggacgaagc
tgcccgcctc agctggcttg 2640ccacgacggg ggttccgtgc gccgctgtgc tcgacgtcgt
caccgaagcc ggccgcgact 2700ggctgctcct cggggaagtg cccggccagg acctcctcag
cagccacctc gcgcccgctg 2760agaaggtgtc catcatggcc gacgccatgc gccgcctgca
caccctcgac cccgccacct 2820gccccttcga ccaccaggcg aagcacagga tcgaacgcgc
ccgcacgcgg atggaggctg 2880gcctcgtcga ccaagacgac ctcgacgagg agcaccaggg
cctcgcgccg gcggaactgt 2940tcgccaggct taaggctagg atgccggacg gcgaggacct
cgtggtcacg cacggcgacg 3000cctgcctccc caacatcatg gtcgagaacg gccgcttctc
gggctttatc gactgcgggc 3060gcctgggcgt ggcggaccgc taccaagaca tcgcgctcgc
cacgcgggac atcgccgagg 3120agcttggcgg cgagtgggcc gaccgctttc tcgtgctcta
cggcatcgcc gccccggaca 3180gccagaggat tgcgttctac cgcctcctgg acgagttctt
ttgagatccg cgccggctat 3240gcgcccgtgc tcgactgcca cactgcccac attgcctgca
agttcgctga gctccagaac 3300aagatggacc gccgctcggg caagattctc gaggagaccc
ccaagttcat caagtcgggt 3360ggactctgcc atggtcaaga tgtatcccct ccaagcgcat
gtgcgtcgag tccttcaccg 3420agtacccgcc gctcggccgc tttgccgtgc gcgacatgcg
cgtcaccgtc gctgtcggcg 3480tcatcaagtc cgtcaccaag ggcgacaaat aaattctacg
aaagattttt ttcctcaaga 3540agcgccctaa agttgacccc tagcagcgac gactgtgtgt
gccgttgtga gtcgagttgc 3600gatgtcgtgc agcgcccgtc gcgtcccatg ctcgcgcgcg
actccgtctc tgcttttcat 3660ctcaagtcaa gagtgggaag ttcccttgct ttatctcact
atttagaggt cgctcacggc 3720tgctggttcc tcgtcgcatg tagcacagcc tcgtccaatc
gcagcctgca ccaccccgct 3780cgcctgggaa aatgcgctca gcggattcgc actggcactc
ctctcctcgg acaggtgcga 3840tgtggaagcg gtcacatcct cggcgccctc ggccacgcca
gcatctgcgc aatcgctctc 3900ctcgttctca gccgcaaccg caggcaggcc gacgtcgttt
acctcggaat ccaccgagca 3960tttcgagccc atcgcgctgg cgtccacctc gatcatacct
tctccatcgc cgtccgctgc 4020ggcttccgat tcttctgctg ccgcaaccgc gacgtcggcc
cccgtctcct ccgttctttc 4080cgatgccggc gcagtggccg cgccctctgc tcgaaccggc
tcgtgttcag cgtcagggcc 4140tgcgcttgag ctcgggcggc tcttccgagt gatccggccc
cgcgaggcaa ggaatcggcg 4200gctctggagt gtcggggcag ccgctctcac tgccggtctt
tggctggctg cctgtcctgc 4260ctcgcgttgg cctttgcttt tgcctaggct ttcgccttgg
tgacggcgtt tgcctgctgc 4320ggcgacttgg cgcggccgcg gaatagcgcc tcaaagtcct
gctcgaggcg ccccagctct 4380gacttgattt gcgaggtccc ggtggcatga gctccgctgc
cctcgtcctt acggcccgtc 4440tttcgctgca gtg
44531111218DNAArtificialgenomic DNA (T. aureum
ATCC 34304 OrfA upstream genomic DNA fragment) 111cccgaattcg
gacgatgact gactgactga ttggctgacg acggccgccc tcgtgcgcgg 60cgtcgggcgt
cgtcgcaaac caggcaggca ggcaggaagg aaggaaggaa gggccaggcc 120ctggtgcgaa
acgctggcct gctccgctgc aagccaagcc gcgctcgcag gtgtacttcc 180gagtcctcgc
gatgattagg caagcctgag cgagcacgta agctgcactg cggctgttca 240accagagaga
gagttggctc tcttgcgtca aggcggcgcg cagcccactt gcgtcgcggc 300tgagggcccc
tggaggggag gaaggaggcc ggcgagcggc gagtggcggc cctcactggc 360accaggtcgc
aggaggccag gcagcccgcc acggacagga atcctcaggg cgcagcagcg 420cactacgtag
tgcagagacg cagagcgggc cggatccgca gtgcggtcgc gccaccccgc 480cgcgcagctc
gctcgcggac ggggtccgtg gccgcgcgaa aacggacacg gtgtgggagc 540ggacatggga
tcgagaacgc cgttcgccct gctcgcgctg ccagcagcag gagccgtccg 600aaggacgagc
ggccggccgc ctgtcccccc tccgcgcact cgaagcgcgc ccggcagcgc 660cccattgcgt
gcgcggatgg cgtcttggct ggtccctctc gaggcgcttg ctcgtgctcg 720ccacgccttg
tccgcctcct cgctgagcaa gcgatgagct gagcacggac cgcctgcaag 780tgcaagtgtt
cttgtgctgc agggcgccga agaattggat tctggcccat gatcagtttg 840attgggccga
gggagggagg gaggctgggc gagtgggcga caccagcaag ccggactgcg 900agaggggcgg
ggcaggatgt gagcgcagga aagtgacgca agtgcatccg gccatcattg 960ggccatcatt
gggccatcat tggtgttttg ggccgcgctt tgcggatcgt ccggccgatc 1020aggtacgagg
ccacgaacct acgtcgtttg ccgcgctcag gctggttggt tgcacttgga 1080ctcttctgtg
acctttcatc gtgtgcaggc aaactcgatt tgcagacccg agacacggcg 1140aaggatccgt
gctgcaaacg caagtggagt gcgtcgagag caccgccgag accaagagcc 1200gaggcagaca
agcttggg
121811232DNAArtificialprimer 112cccgaattcg gacgatgact gactgactga tt
3211328DNAArtificialprimer 113cccaagcttg
tctgcctcgg ctcttggt
281141000DNAArtificialgenomic DNA (T. aureum ATCC 34304 OrfA
downstream genomic DNA fragment) 114cccccatggt gttgctgtgg gattggtccg
ggggctcttc tgcacgcggc ctccgtcgcg 60cgcagaaatg ccccgtcact ggctgcccag
gaggcagccg aatccctcta gctagctagc 120taggctagag cgtcttttcc gtagtttttc
acaaagccag tatcacatgg ataacgaacg 180aaggtttcgg gctcgcgctc gcaggcgtta
ggacgaagtt gatcgcccca cgtcacttca 240aacgagtgaa ccaagatcac gttgcatctg
ctcgcaagat cttcttcttc cacgccgcat 300cgatgcgatg gatttcaaac tcttttcagg
gcttttaggt gagtatggca gcgctgtttg 360cgtggcagcg ctgtttgcgt ggttgtactc
tctaaaggtg cttccacgca tgcgcgcaca 420aaggggcatg gcatggttgg cggcgcactc
tggccctcat ttgaagcaga ctatcgaagg 480gtccagttgg tactgcggca ggtccggcga
gagcaagcgc ggcggtcgct cccactcgtc 540cctgcacagt tgctggactg gcgacggctg
gcgcacctga ctacgagaag actcgagacg 600cacagaggta gtcagggacg accgaccgca
aagcacaaac cgctccaaaa cggccgcacc 660aggcagggca gtaaactaaa aacgaatgta
cctccatcgc gcgtatctgc cgagcctcct 720cccacgcttc ggctgggctt gattcaccag
tgtccgcaag ctgaaccgac cgtcttcgat 780gtcatgaagc ttggcgcggc attagtcaga
cgacgcggca cgccaggatt ctgtcggttt 840ctgggaaatg ggcatctata tagctgattc
cctctgtcat gaggcggcct tgttctggcc 900ctgggccgcc gttcggatga tctatgatgt
cgttgtacgc ataaagcttg tcgaaaacgt 960cggccatgtc ttcctcagag atgtaaccga
gccatggggg 100011528DNAArtificialprimer
115cccccatggt gttgctgtgg gattggtc
2811630DNAArtificialprimer 116cccccatggc tcggttacat ctctgaggaa
301171632DNAArtificialfusion DNA (T. aureum
ATCC 34304 ubiqitin promoter/Hygr) 117cccaagcttg ccgcagcgcc
tggtgcaccc gccgggcgtt gttgtgtgct cttcttgcct 60ccgagagaga gagcggagcg
gatgcatagg aaatcgggcc acgcgggagg gccatgcgtt 120cgccccacac gccactttcc
acgcccgctc tctctccggc cggcaggcag cgcataactc 180tccgacgctg gcaggctggt
agcaactggc agggacaact cgcgcgcggg tcccggtcgt 240tcgatgtgcc aacccgagag
aatccagcca gcagggcggt tggcctcatc gcccacctgc 300tatggtgcag cgaaccaact
cccgaagcgg ccggttctgc gattccctct tctgaattct 360gaattctgaa ctgattccgg
aggagaaccc tctggaagcg cgggttgcct ctccagttct 420gccgaactag acaggggagt
gagcagagag tgaccctgac gcggagcgag ctggttgctg 480gaaaagtcgc gaacgctggg
ctgtgtcacg cgtccacttc gggcagaccc caaacgacaa 540gcagaacaag caacaccagc
agcagcaagc gacctaagca acactagcca acatgaaaaa 600gcctgaactc accgcgacgt
ctgtcgagaa gtttctgatc gaaaagttcg acagcgtctc 660cgacctgatg cagctctcgg
agggcgaaga atctcgtgct ttcagcttcg atgtaggagg 720gcgtggatat gtcctgcggg
taaatagctg cgccgatggt ttctacaaag atcgttatgt 780ttatcggcac tttgcatcgg
ccgcgctccc gattccggaa gtgcttgaca ttggggaatt 840cagcgagagc ctgacctatt
gcatctcccg ccgtgcacag ggtgtcacgt tgcaagacct 900gcctgaaacc gaactgcccg
ctgttctgca gccggtcgcg gaggccatgg atgcgatcgc 960tgcggccgat cttagccaga
cgagcgggtt cggcccattc ggaccgcaag gaatcggtca 1020atacactaca tggcgtgatt
tcatatgcgc gattgctgat ccccatgtgt atcactggca 1080aactgtgatg gacgacaccg
tcagtgcgtc cgtcgcgcag gctctcgatg agctgatgct 1140ttgggccgag gactgccccg
aagtccggca cctcgtgcac gcggatttcg gctccaacaa 1200tgtcctgacg gacaatggcc
gcataacagc ggtcattgac tggagcgagg cgatgttcgg 1260ggattcccaa tacgaggtcg
ccaacatctt cttctggagg ccgtggttgg cttgtatgga 1320gcagcagacg cgctacttcg
agcggaggca tccggagctt gcaggatcgc cgcggctccg 1380ggcgtatatg ctccgcattg
gtcttgacca actctatcag agcttggttg acggcaattt 1440cgatgatgca gcttgggcgc
agggtcgatg cgacgcaatc gtccgatccg gagccgggac 1500tgtcgggcgt acacaaatcg
cccgcagaag cgcggccgtc tggaccgatg gctgtgtaga 1560agtactcgcc gatagtggaa
accgacgccc cagcactcgt ccgagggcaa aggaatagtc 1620gacgcatgcg gg
163211836DNAArtificialprimer
118cccaagcttg ccgcagcgcc tggtgcaccc gccggg
3611943DNAArtificialprimer 119cccgcatgcg tcgactattc ctttgccctc ggacgagtgc
tgg 431201000DNAArtificialgenomic DNA (T. aureum
ATCC 34304 OrfA downstream genomic DNA fragment) 120cccgtcgacg
tgttgctgtg ggattggtcc gggggctctt ctgcacgcgg cctccgtcgc 60gcgcagaaat
gccccgtcac tggctgccca ggaggcagcc gaatccctct agctagctag 120ctaggctaga
gcgtcttttc cgtagttttt cacaaagcca gtatcacatg gataacgaac 180gaaggtttcg
ggctcgcgct cgcaggcgtt aggacgaagt tgatcgcccc acgtcacttc 240aaacgagtga
accaagatca cgttgcatct gctcgcaaga tcttcttctt ccacgccgca 300tcgatgcgat
ggatttcaaa ctcttttcag ggcttttagg tgagtatggc agcgctgttt 360gcgtggcagc
gctgtttgcg tggttgtact ctctaaaggt gcttccacgc atgcgcgcac 420aaaggggcat
ggcatggttg gcggcgcact ctggccctca tttgaagcag actatcgaag 480ggtccagttg
gtactgcggc aggtccggcg agagcaagcg cggcggtcgc tcccactcgt 540ccctgcacag
ttgctggact ggcgacggct ggcgcacctg actacgagaa gactcgagac 600gcacagaggt
agtcagggac gaccgaccgc aaagcacaaa ccgctccaaa acggccgcac 660caggcagggc
agtaaactaa aaacgaatgt acctccatcg cgcgtatctg ccgagcctcc 720tcccacgctt
cggctgggct tgattcacca gtgtccgcaa gctgaaccga ccgtcttcga 780tgtcatgaag
cttggcgcgg cattagtcag acgacgcggc acgccaggat tctgtcggtt 840tctgggaaat
gggcatctat atagctgatt ccctctgtca tgaggcggcc ttgttctggc 900cctgggccgc
cgttcggatg atctatgatg tcgttgtacg cataaagctt gtcgaaaacg 960tcggccatgt
cttcctcaga gatgtaaccg agtcgacggg
100012129DNAArtificialprimer 121cccgtcgacg tgttgctgtg ggattggtc
2912229DNAArtificialprimer 122cccgtcgact
cggttacatc tctgaggaa
291233705DNAArtificialfusion DNA (T. aureum OrfA upstream/EF1 alpha
promoter/Neor/T. aureum OrfA downstream) 123cccccatggc tcggttacat
ctctgaggaa gacatggccg acgttttcga caagctttat 60gcgtacaacg acatcataga
tcatccgaac ggcggcccag ggccagaaca aggccgcctc 120atgacagagg gaatcagcta
tatagatgcc catttcccag aaaccgacag aatcctggcg 180tgccgcgtcg tctgactaat
gccgcgccaa gcttcatgac atcgaagacg gtcggttcag 240cttgcggaca ctggtgaatc
aagcccagcc gaagcgtggg aggaggctcg gcagatacgc 300gcgatggagg tacattcgtt
tttagtttac tgccctgcct ggtgcggccg ttttggagcg 360gtttgtgctt tgcggtcggt
cgtccctgac tacctctgtg cgtctcgagt cttctcgtag 420tcaggtgcgc cagccgtcgc
cagtccagca actgtgcagg gacgagtggg agcgaccgcc 480gcgcttgctc tcgccggacc
tgccgcagta ccaactggac ccttcgatag tctgcttcaa 540atgagggcca gagtgcgccg
ccaaccatgc catgcccctt tgtgcgcgca tgcgtggaag 600cacctttaga gagtacaacc
acgcaaacag cgctgccacg caaacagcgc tgccatactc 660acctaaaagc cctgaaaaga
gtttgaaatc catcgcatcg atgcggcgtg gaagaagaag 720atcttgcgag cagatgcaac
gtgatcttgg ttcactcgtt tgaagtgacg tggggcgatc 780aacttcgtcc taacgcctgc
gagcgcgagc ccgaaacctt cgttcgttat ccatgtgata 840ctggctttgt gaaaaactac
ggaaaagacg ctctagccta gctagctagc tagagggatt 900cggctgcctc ctgggcagcc
agtgacgggg catttctgcg cgcgacggag gccgcgtgca 960gaagagcccc cggaccaatc
ccacagcaac accatggcag agtcgcccga cttgatgaac 1020ttgggggtct cctcgagaat
cttgcccgag cggcggtcca tcttgttctg gagctcagcg 1080aacttgcagg caatgtgggc
agtgtggcgg tcgagcacgg gcgcatagcc ggcgcggatc 1140tcaaaagaac tcgtccagga
ggcggtagaa cgcaatcctc tggctgtccg gggcggcgat 1200gccgtagagc acgagaaagc
ggtcggccca ctcgccgcca agctcctcgg cgatgtcccg 1260cgtggcgagc gcgatgtctt
ggtagcggtc cgccacgccc aggcgcccgc agtcgataaa 1320gcccgagaag cggccgttct
cgaccatgat gttggggagg caggcgtcgc cgtgcgtgac 1380cacgaggtcc tcgccgtccg
gcatcctagc cttaagcctg gcgaacagtt ccgccggcgc 1440gaggccctgg tgctcctcgt
cgaggtcgtc ttggtcgacg aggccagcct ccatccgcgt 1500gcgggcgcgt tcgatcctgt
gcttcgcctg gtggtcgaag gggcaggtgg cggggtcgag 1560ggtgtgcagg cggcgcatgg
cgtcggccat gatggacacc ttctcagcgg gcgcgaggtg 1620gctgctgagg aggtcctggc
cgggcacttc cccgaggagc agccagtcgc ggccggcttc 1680ggtgacgacg tcgagcacag
cggcgcacgg aacccccgtc gtggcaagcc agctgaggcg 1740ggcagcttcg tcctggagct
cgttgagggc gccgctaagg tcggtcttga caaacaggac 1800cggccggccc tgcgcgctaa
ggcggaacac ggccgcgtcc gagcagccga tcgtctgctg 1860agcccagtcg tagccgaaca
gccgttccac ccaagcagcg ggcgagccag cgtgaaggcc 1920gtcctgttca atcatctagc
cttcctttgc cgctgcttgc tactcctgct actcctgctt 1980gttacttcgt gttgctccgc
gttccgtctc tgccgcgccg tccacgagcg cctccacgga 2040tttatccgcc caacgcggct
caccttggcc gcctatctaa ccccgcaaac cgcctcccag 2100ccaaccattg cgccgccgta
aggcggattc ccagaacaca gccccgccgc gacctaaccc 2160aacctaaccg cccgcgcccg
ccgccacctt acgcagccgc acccgcccgc cgcgccgcgc 2220tgctgggccg ccctcgcccc
gcagaccgcc ctgcgcgctc gcgggggcta tcctggtagt 2280cgcgcgctag gaggtgctag
gcggccccgt gcttccacct cgcccgcgac cccgccgaac 2340agcctggagc cctaaccctc
ggtttggctt aaggaggact gccgccaggc cccccgtgac 2400gcgggccccc ggggctctct
gctgcggccg cgtctcgtcg cactttccgt cccgacacag 2460gggacccgag gtgacgagga
cgaatgcgcg aagcttgtct gcctcggctc ttggtctcgg 2520cggtgctctc gacgcactcc
acttgcgttt gcagcacgga tccttcgccg tgtctcgggt 2580ctgcaaatcg agtttgcctg
cacacgatga aaggtcacag aagagtccaa gtgcaaccaa 2640ccagcctgag cgcggcaaac
gacgtaggtt cgtggcctcg tacctgatcg gccggacgat 2700ccgcaaagcg cggcccaaaa
caccaatgat ggcccaatga tggcccaatg atggccggat 2760gcacttgcgt cactttcctg
cgctcacatc ctgccccgcc cctctcgcag tccggcttgc 2820tggtgtcgcc cactcgccca
gcctccctcc ctccctcggc ccaatcaaac tgatcatggg 2880ccagaatcca attcttcggc
gccctgcagc acaagaacac ttgcacttgc aggcggtccg 2940tgctcagctc atcgcttgct
cagcgaggag gcggacaagg cgtggcgagc acgagcaagc 3000gcctcgagag ggaccagcca
agacgccatc cgcgcacgca atggggcgct gccgggcgcg 3060cttcgagtgc gcggaggggg
gacaggcggc cggccgctcg tccttcggac ggctcctgct 3120gctggcagcg cgagcagggc
gaacggcgtt ctcgatccca tgtccgctcc cacaccgtgt 3180ccgttttcgc gcggccacgg
accccgtccg cgagcgagct gcgcggcggg gtggcgcgac 3240cgcactgcgg atccggcccg
ctctgcgtct ctgcactacg tagtgcgctg ctgcgccctg 3300aggattcctg tccgtggcgg
gctgcctggc ctcctgcgac ctggtgccag tgagggccgc 3360cactcgccgc tcgccggcct
ccttcctccc ctccaggggc cctcagccgc gacgcaagtg 3420ggctgcgcgc cgccttgacg
caagagagcc aactctctct ctggttgaac agccgcagtg 3480cagcttacgt gctcgctcag
gcttgcctaa tcatcgcgag gactcggaag tacacctgcg 3540agcgcggctt ggcttgcagc
ggagcaggcc agcgtttcgc accagggcct ggcccttcct 3600tccttccttc ctgcctgcct
gcctggtttg cgacgacgcc cgacgccgcg cacgagggcg 3660gccgtcgtca gccaatcagt
cagtcagtca tcgtccgaat tcggg
37051243826DNAArtificialfusion DNA (T. aureum OrfA upstream/ubiquitin
promoter/Hygr/T. aureum OrfA downstream) 124cccccatggc tcggttacat
ctctgaggaa gacatggccg acgttttcga caagctttat 60gcgtacaacg acatcataga
tcatccgaac ggcggcccag ggccagaaca aggccgcctc 120atgacagagg gaatcagcta
tatagatgcc catttcccag aaaccgacag aatcctggcg 180tgccgcgtcg tctgactaat
gccgcgccaa gcttcatgac atcgaagacg gtcggttcag 240cttgcggaca ctggtgaatc
aagcccagcc gaagcgtggg aggaggctcg gcagatacgc 300gcgatggagg tacattcgtt
tttagtttac tgccctgcct ggtgcggccg ttttggagtg 360gtttgtgctt tgcggtcggt
cgtccctgac tacctctgtg cgtctcgagt cttctcgtag 420tcaggtgcgc cagccgtcgc
cagtccagca actgtgcagg gacgagtggg agcgaccgcc 480gcgcttgctc tcgccggacc
tgccgcagta ccaactggac ccttcgatag tctgcttcaa 540atgagggcca gagtgcgccg
ccaaccatgc catgcccctt tgtgcgcgca tgcgtggaag 600cacctttaga gagtacaacc
acgcaaacag cgctgccacg caaacagcgc tgccacgcaa 660acagcgctgc catactcacc
taaaagccct gaaaagagtt tgaaatccat cgcgtcgatg 720cggcgtggaa gaagaagatc
ttgcgagcag acgcaacgtg atcttggttc actcgtttga 780agtgacgcgg gacgatcaac
ttcgtcctaa cgcctgcgag cgcgagcccg aaaccttcgt 840tcgttatcca tgtgatactg
gctttgtgaa aaactacgga aaagacgcta gctagaggga 900ttcggctgcc tccttgggca
gccagtgacg gggcatttct gcgcgcgacg gaggccgcgt 960gcaaaagagc ccccggacca
atcccacagc aacacgtcga ctattccttt gccctcggac 1020gagtgctggg gcgtcggttt
ccactatcgg cgagtacttc tacacagcca tcggtccaga 1080cggccgcgct tctgcgggcg
atttgtgtac gcccgacagt cccggctccg gatcggacga 1140ttgcgtcgca tcgaccctgc
gcccaagctg catcatcgaa attgccgtca accaagctct 1200gatagagttg gtcaagacca
atgcggagca tatacgcccg gagccgcggc gatcctgcaa 1260gctccggatg cctccgctcg
aagtagcgcg tctgctgctc catacaagcc aaccacggcc 1320tccagaagaa gatgttggcg
acctcgtatt gggaatcccc gaacatcgcc tcgctccagt 1380caatgaccgc tgttatgcgg
ccattgtccg tcaggacatt gttggagccg aaatccgcgt 1440gcacgaggtg ccggacttcg
gggcagtcct cggcccaaag catcagctca tcgagagcct 1500gcgcgacgga cgcactgacg
gtgtcgtcca tcacagtttg ccagtgatac acatggggat 1560cagcaatcgc gcatatgaaa
tcacgccatg tagtgtattg accgattcct tgcggtccga 1620atgggccgaa cccgctcgtc
tggctaagat cggccgcagc gatcgcatcc atggcctccg 1680cgaccggctg cagaacagcg
ggcagttcgg tttcaggcag gtcttgcaac gtgacaccct 1740gtgcacggcg ggagatgcaa
taggtcaggc tctcgctgaa ttccccaatg tcaagcactt 1800ccggaatcgg gagcgcggcc
gatgcaaagt gccgataaac ataacgatct ttgtagaaac 1860catcggcgca gctatttacc
cgcaggacat atccacgccc tcctacatcg aagctgaaag 1920cacgagattc ttcgccctcc
gagagctgca tcaggtcgga gacgctgtcg aacttttcga 1980tcagaaactt ctcgacagac
gtcgcggtga gttcaggctt tttcatgttg gctagtgttg 2040cttaggtcgc ttgctgctgc
tggtgttgct tgttctgctt gtcgtttggg gtctgcccga 2100agtggacgcg tgacacagcc
cagcgttcgc gacttttcca gcaaccagct cgctcccgcg 2160tcagggtcac tctctgctca
ctcccctgtc tagttcggca gaactggaga ggcaacccgc 2220gcttccagag ggttctcctc
cggaatcagt tcagaattca gaattcagaa gagggaatcg 2280cagaaccggc cgcttcggga
gttggttcgc tgcaccatag caggtgggcg atgaggccaa 2340ccgccctgct ggctggattc
tctcgggttg gcacatcgaa cgaccgggac ccgcgcgcga 2400gttgtccctg ccagttgcta
ccagcctgcc agcgtcggag agttatgcgc tgcctgccgg 2460ccggagagag agcgggcgtg
gaaagtggcg tgtggggcga acgcatggcc ctcccgcgtg 2520gcccgatttc ctatgcatcc
gctccgctct ctctctcgga ggcaagaaga gcacaccaac 2580aacgcccggc gggtgcacca
ggcgctgcgg caagcttgtc tgcctcggct cttggtctcg 2640gcggtgctct cgacgcactc
cacttgcgtt tgcagcacgg atccttcgcc gtgtctcggg 2700tctgcaaatc gagtttgcct
gcacacgatg aaaggtcaca gaagagtcca agtgcaacca 2760accagcctga gcgcggcaaa
cgacgtaggt tcgtggcctc gtacctgatc ggccggacga 2820tccgcaaagc gcggcccaaa
acaccaatga tggcccaatg atggcccaat gatggccgga 2880tgcacttgcg tcactttcct
gcgctcacat cctgccccgc ccctctcgca gtccggcttg 2940ctggtgtcgc ccactcgccc
agcctccctc cctccctcgg cccaatcaaa ctgatcatgg 3000gccagaatcc aattcttcgg
cgccctgcag cacaagaaca cttgcacttg caggcggtcc 3060gtgctcagct catcgcttgc
tcagcgagga ggcggacaag gcgtggcgag cacgagcaag 3120cgcctcgaga gggaccagcc
aagacgccat ccgcgcacgc aatggggcgc tgccgggcgc 3180gcttcgagtg cgcggagggg
ggacaggcgg ccggccgctc gtccttcgga cggctcctgc 3240tgctggcagc gcgagcaggg
cgaacggcgt tctcgatccc atgtccgctc ccacaccgtg 3300tccgttttcg cgcggccacg
gaccccgtcc gcgagcgagc tgcgcggcgg ggtggcgcga 3360ccgcactgcg gatccggccc
gctctgcgtc tctgcactac gtagtgcgct gctgcgccct 3420gaggattcct gtccgtggcg
ggctgcctgg cctcctgcga cctggtgcca gtgagggccg 3480ccactcgccg ctcgccggcc
tccttcctcc cctccagggg ccctcagccg cgacgcaagt 3540gggctgcgcg ccgccttgac
gcaagagagc caactctctc tctggttgaa cagccgcagt 3600gcagcttacg tgctcgctca
ggcttgccta atcatcgcga ggactcggaa gtacacctgc 3660gagcgcggct tggcttgcag
cggagcaggc cagcgtttcg caccagggcc tggcccttcc 3720ttccttcctt cctgcctgcc
tgcctggttt gcgacgacgc ccgacgccgc gcacgagggc 3780ggccgtcgtc agccaatcag
tcagtcagtc atcgtccgaa ttcggg
382612522DNAArtificialprimer 125gaagcgtccc gtagatgtgg tc
2212621DNAArtificialprimer 126gcccgagagg
tcaaagtacg c
2112720DNAArtificialprimer 127gcgagcccag gtccacttgc
2012822DNAArtificialprimer 128cagcccgatg
aaaaacttgg tc
2212922DNAArtificialprimer 129gggagcgcag ggaaaacggt ct
2213020DNAArtificialprimer 130ccagcccacg
tcgtcggagc
201312297DNAArtificialgenomic DNA (T. aureum ATCC 34304 C20
elongase upstream genomic DNA fragment) 131ggccggggca gcccgcccag
cacgccgctg cgctgctttc ggtcatgcga acctggctcc 60ccacagcaat gctgcgcggt
cgctgcgcct cttgaggctc ggcgacgttg gcccggtttg 120gggcaccctg acgttgcacg
aacgtccgct gcatctcagg cgcactcgga tcgacaactg 180tgcaaccggt cagcctttcg
cggcagattg ggcacttgcc gcgctcgcgt atccgcgtgg 240cgcattcttc gcacacgcag
gcgtgccggc agggaagcag gagggtgttt atcgtggcgt 300ccatgtagac cttgcacagc
cgcggctcac tttccctcgg cgcagtcccg tgcccaacgt 360cggggccggg cgccggcgcc
ggcgagggcg tcggttctgg gatgggatca ggatccgccg 420aggctgcaga ttgctgtgcg
ggggtgccgg ggcgcggccc attagcaccg tcctgcggaa 480tatccaggag ggtgctcatc
acggaagcca tgtccgggcg ctggctgccg tcttcgtgcg 540tgcaacgatc caccaggtca
aggagcaccc gagccacgtt ttggcgggtg cgaaaagcgg 600cttggtcaac gcagcgctcc
gggtcgaagc cgttgtcgcg catccagtac ggaagcaggt 660cgaggccgcg gcggcaggga
aagcaaggcg gcttgccgga cacaagctcg ccgagcacga 720cgccaaaggc gtaaacgtcc
acggggcgat tgtactcgac atgggtggcg ccctccaggt 780cggagatctc gggcgccatg
tagccaagcg tgcccacttg tgtcatcgtt tgcatggtgt 840ggagcgtggt actggcggcc
accttggaca cgccaaagtc cgtccagcac agccttaggc 900ccgcgccctt gttcaggttg
accagagcgt tgtcgctctt ggatgtctct gtgcagcacg 960ccagcagcgt gcagcgccct
gaggccgtgc gccgcctggt atgccagcgc ctcgcgagcg 1020ctgccgtcca aaagcggcgc
gctccccgaa tcatcgcgga gctggatggc cttcttgagc 1080gacatttcca tgcggggcat
gatgatcgca aacctgccgc cgctctgtgg ctcgagcgcg 1140gtcgccagga ccgtgagcac
gttctcgtgc gttgcgctcg ccatccgcga ggcctcagcg 1200cgaaagtcat cgaggacgcc
gagcgtctgc ccgggccgcg gtaccttgac agcgcagcgc 1260ccgaacggcg ccacgtccgc
ttcaaacacc tcgccaaagg cgccttgtcc gagcagctcg 1320ccccagccgc agccgcgacc
actcgatctc gggcacgcgt gccatcgacc cttgcagcgt 1380ggccttgcca agtcacagtc
cagcgcgcag ttcagtgtct gccgcgccag gtccaccacg 1440atcaattcat ccgagtcggc
tgcgaactgg acaagtgcca tttgggtgcg ggcaacgcgc 1500aagatcaccc agcactggca
tgaagaccat gaatgaatga atgaccgtgc gcgagtgacc 1560gaccaacacg agtccagccg
actccttctt cttctccttc ttcttcttct tcttcttctc 1620gtagcgggcg tcaacagcat
caatcaggca tggcggcatt cactctgcgc gatggatggc 1680acgagcgctg gaggtgatga
acgcactgcc cggattggct ctcggtcact gtcagcacat 1740gatgcctgtg cttgcgcgga
gcgcgctatg tctcgttctg tgtcaagaca caggcgcaac 1800tcttgatgga ttcttgaagc
gcatgtaact gaagtctgac agactcggaa gtccattgtg 1860aacaatgttg ttccacaatt
gctccaattg ttccgattat tccacaattg ttgttccaat 1920tgttccaatt gttccgatta
ttccgattat tccactttag ttgttccagt tgttccgatt 1980gttccacaat tgttgttccg
attattccag ttgttccagt tgttccaatt attccaattg 2040ttccagttcc ttactcttga
catcggggga ataacgggtg tgtatttagg ggttcggcga 2100aagcagaatg gccgaacgta
acagcggaga ggaacctctt tagcggggtt tgcgtatcgg 2160ggaaaccagg tgttgtgctg
gcgaggagga tcccccgcga ggcgatggct gctccgacga 2220cgtgggctgg cgacgtcgct
cgcaaaggcg ttccgcaacc gcgcgttccg ctgtaacgag 2280accgttttcc ctgcgct
229713223DNAArtificialprimer
132gccgctcatg cccacgctca aac
2313323DNAArtificialprimer 133ctttcggctg ccaggaatct acg
231342189DNAArtificialgenomic DNA (T. aureum
ATCC 34304 OrfA downstream genomic DNA fragment) 134ctttcggctg
ccaggaatct acggcccagg gcgcggcccg atctcacgaa ttcgcaaggg 60ccaggcccgc
agtatcgtca aggagggcca ggtcttctcg cgggcgcacg tcgacgatat 120caccggtgcg
atccgcgctt cgctggccaa cccaaacccg ggccgcgcct acaacgtttg 180cgacgacgag
cctgcaatga accatgtcgt gacagagttt gcctgcgaac tcatggacgt 240cccgcccccg
aagcgcgaag actttgacaa ggtgcgcgag accatgtcaa gcatgtcgct 300ctccttcttc
tcagagagca agcgggtctt caacaagcgg ctcaaggaag agctgcggta 360cgcgctattg
tacccgacct accgcgaagg gatcaaagcc caactggagg aggagcttgc 420caacggctgg
acgctcatcg acgcctcggg tgcttctgct ggaaccgact cccctgcctc 480gcccaaagcg
cccgccccca tcgccgcctc aagtgacgag tcgagcgggc agagcgcgac 540agcggccgag
ccggtgcgcc ggcgcaggcg ccccgagcgc aaggcgctcc cgcctgctgg 600gccgagtggg
ccgtcggtct tgcagagggt ttctcgggca atttatgggc cgttcagttg 660gctcctcggt
cgcctgtttg ggccactttc gagccgcgct gtcggcttgt ttcgcggctg 720ggcgcactgg
ctgttgcgtc tcgtggggct gcgcgcatcc gcgccgggcg gcggccgtac 780aacctgcctc
cttgttgaca acggctcgct caaaccagag ccttttcgcc agctgcgcgt 840gcacgcggcg
aacctcgaag agtctcttag gagcgacgcg cgtgccccac atcccgtgca 900ggtggtggcc
gtcagcgcga ggtacagcga ccgcatcgac gcctcccttc tggacggcaa 960gcccggcgtc
gccctcgccg ggttcctgag ttccttcaag gccgacgccg agtcgcagcc 1020agcaaccagc
gaggttggcc gcatcatcgc gctcccctac tttctgggcc caagcaagac 1080ggccacgtcg
tatgttgctt cccagctcgc agagcacttt ccaggagccg agcgcaccat 1140tgccgctccg
ctcgtgtcgc gggacggcgc cattgcgcag ctcctcgctg acatggtcca 1200tgacgtcgct
cgggcgcgcg cgctgcaggc cccgtacgcg gtagttctcg tcgaccacgg 1260gtccccgagc
cgagcggtca accgcgttcg gcgggccatc gctgcgcgga tgcgccgccg 1320ccttggcccg
aacgcgcgct gcgttgtcga ctgctccatg gagcgccgcg agggcgacgc 1380tttcgccttc
aacgagcctc tgctagagtc ggttttcacc aagggtggtc tcgactctgg 1440cgacgtcatt
ctcgcgatgg catttttggc gcctggtcgc cacgctggcg agggcggcga 1500tatcgcggag
atccttgacg aggctatcgc aaagtcggct ggcaagctgc gcgttcacca 1560aacgcggttg
attggtgacg tggacaggaa cggtacgcag atttgcgccc tcctcaagaa 1620caggccgctt
gccgcgctgt aacggcaaga gcatccacaa ttcctgacct gagcaaacca 1680gcccacgcga
gagaccgaac acgtcaagcc gatgaggcgc agaaaacaaa gaaaaaaagc 1740aaaaagaaca
aaaacccaag gcaaaatgat ggcaattttc ttggtatgga aagccgatga 1800tcgccgagtg
tcgctggcta tttgctctgg tggggcatcg agctcgatga ccgaaatcca 1860ccaattatct
gcgtgtcaat catttggagc ataagacccg ggaaggcctt gagcaagcga 1920agaaaccggc
gcgtgttcac acgatagtac gagacgtcgc tctctgcgcg gatctcaatc 1980tgagccttct
tgtctccgcg gatgaaagtg ttcatgtccc cgacaagggc gccgcgccca 2040acccctcgtt
tgggctgcgc cgcgctactg gaaatggtga ttccgcgaaa cgtgcccgat 2100tcgcctttct
caacagggct caccgtgaca gaaccctcag cgacaagaac gatgccgtca 2160atcttttcgc
cgggcgaggc tttctgcag
2189135618DNAArtificialgenomic DNA (T. aureum ATCC 34304 ubiquitin
promoter) 135cccagatctg ccgcagcgcc tggtgcaccc gccgggcgtt gttggtgtgc
tcttcttgcc 60tccgagagag agagcggagc ggatgcatag gaaatcgggc cacgcgggag
ggccatgcgt 120tcgccccaca cgccactttc cacgcccgct ctctctccgg ccggcaggca
gcgcataact 180ctccgacgct ggcaggctgg tagcaactgg cagggacaac tcgcgcgcgg
gtcccggtcg 240ttcgatgtgc caacccgaga gaatccagcc agcagggcgg ttggcctcat
cgcccacctg 300ctatggtgca gcgaaccaac tcccgaagcg gccggttctg cgattccctc
ttctgaattc 360tgaattctga actgattccg gaggagaacc ctctggaagc gcgggttgcc
tctccagttc 420tgccgaacta gacaggggag tgagcagaga gtgaccctga cgcggagcga
gctggttgct 480ggaaaagtcg cgaacgctgg gctgtgtcac gcgtccactt cgggcagtcc
ccaaacgaca 540agcagaacaa gcaacaccag cagcagcaag cgacctaagc aacactagcc
aacatggcca 600agcctttgtc tcaagaag
61813658DNAArtificialprimer 136cttcttgaga caaaggcttg
gccatgttgg ctagtgttgc ttaggtcgct tgctgctg
58137432DNAArtificialBlasticidin resistance gene (Blar) 137agcgacctaa
gcaacactag ccaacatggc caagcctttg tctcaagaag aatccaccct 60cattgaaaga
gcaacggcta caatcaacag catccccatc tctgaagact acagcgtcgc 120cagcgcagct
ctctctagcg acggccgcat cttcactggt gtcaatgtat atcattttac 180tgggggacct
tgtgcagaac tcgtggtgct gggcactgct gctgctgcgg cagctggcaa 240cctgacttgt
atcgtcgcga tcggaaatga gaacaggggc atcttgagcc cctgcggacg 300gtgccgacag
gtgcttctcg atctgcatcc tgggatcaaa gccatagtga aggacagtga 360tggacagccg
acggcagttg ggattcgtga attgctgccc tctggttatg tgtgggaggg 420ctaagatctg
gg
43213854DNAArtificialprimer 138agcgacctaa gcaacactag ccaacatggc
caagcctttg tctcaagaag aatc 5413938DNAArtificialprimer
139cccagatctt agccctccca cacataacca gagggcag
381401000DNAArtificialfusion DNA (T. aureum ATCC 34304 ubiquitin
promoter/pTracer-CMV/Bsd/lacZ Blar) 140cccagatctg ccgcagcgcc tggtgcaccc
gccgggcgtt gttggtgtgc tcttcttgcc 60tccgagagag agagcggagc ggatgcatag
gaaatcgggc cacgcgggag ggccatgcgt 120tcgccccaca cgccactttc cacgcccgct
ctctctccgg ccggcaggca gcgcataact 180ctccgacgct ggcaggctgg tagcaactgg
cagggacaac tcgcgcgcgg gtcccggtcg 240ttcgatgtgc caacccgaga gaatccagcc
agcagggcgg ttggcctcat cgcccacctg 300ctatggtgca gcgaaccaac tcccgaagcg
gccggttctg cgattccctc ttctgaattc 360tgaattctga actgattccg gaggagaacc
ctctggaagc gcgggttgcc tctccagttc 420tgccgaacta gacaggggag tgagcagaga
gtgaccctga cgcggagcga gctggttgct 480ggaaaagtcg cgaacgctgg gctgtgtcac
gcgtccactt cgggcagtcc ccaaacgaca 540agcagaacaa gcaacaccag cagcagcaag
cgacctaagc aacactagcc aacatggcca 600agcctttgtc tcaagaagaa tccaccctca
ttgaaagagc aacggctaca atcaacagca 660tccccatctc tgaagactac agcgtcgcca
gcgcagctct ctctagcgac ggccgcatct 720tcactggtgt caatgtatat cattttactg
ggggaccttg tgcagaactc gtggtgctgg 780gcactgctgc tgctgcggca gctggcaacc
tgacttgtat cgtcgcgatc ggaaatgaga 840acaggggcat cttgagcccc tgcggacggt
gccgacaggt gcttctcgat ctgcatcctg 900ggatcaaagc catagtgaag gacagtgatg
gacagccgac ggcagttggg attcgtgaat 960tgctgccctc tggttatgtg tgggagggct
aagatctggg 1000141812DNAArtificialcDNA (T.aureum
ATCC 34304 ubiquitin promoter) 141tcggtacccg ttagaacgcg taatacgact
cactataggg agagtcgact gagcacaact 60ctgctgcgag cgggcctcga gagcgtttgc
ttcgagccgc ggagcaaggg ggatggatcg 120ctcatgcggt cgtgcggccc tcggtcaccc
ggtgggtcct gcactgacgc atctgttctg 180atcagacaca cgaacgaaca aaccgaggag
ccgcagcgcc tggtgcaccc gccgggcgtt 240gttgtgtgct cttcttgcct ccgagagaga
gagcggagcg gatgcatagg aaatcgggcc 300acgcgggagg gccatgcgtt tgccccacac
gccactttcc acgcccgctc tctctccggc 360cggcaggcag cgcataactc tccgacgctg
gcaggctggt agcaactggc agggacaact 420cgcgcgcggg tcccggtcgt tcgatgtgcc
aacccgagag aatccagcca gcagggcggt 480tggcctcatc gcccacctgc tatggtgcag
cgaaccaact cccgaagctg ccggttctgc 540gattccctct tctgaattct gaattctgaa
ctgattccgg aggagaaccc tctggaagcg 600cgggttgcct ctccagttct gccgaactag
acaggggagt gagcagagag tgaccctgac 660gcggagcgag ctggttgctg gaaaagtcgc
gaacgctggg ctgtgtcacg cgtccacttc 720gggcagaccc caaacgacaa gcagaacaag
caacaccagc agcagcaagc gatctaagca 780acactagcca acatggtgag caagggcgag
ga 81214229DNAArtificialprimer
142tcggtacccg ttagaacgcg taatacgac
2914341DNAArtificialprimer 143tcctcgccct tgctcaccat gttggctagt gttgcttagg
t 41144748DNAArtificialEnhanced GFP gene
(Enhanced GFP DNA fragment) 144acctaagcaa cactagccaa catggtgagc
aagggcgagg agctgttcac cggggtggtg 60cccatcctgg tcgagctgga cggcgacgta
aacggccaca agttcagcgt gtccggcgag 120ggcgagggcg atgccaccta cggcaagctg
accctgaagt tcatctgcac caccggcaag 180ctgcccgtgc cctggcccac cctcgtgacc
accctgacct acggcgtgca gtgcttcagc 240cgctaccccg accacatgaa gcagcacgac
ttcttcaagt ccgccatgcc cgaaggctac 300gtccaggagc gcaccatctt cttcaaggac
gacggcaact acaagacccg cgccgaggtg 360aagttcgagg gcgacaccct ggtgaaccgc
atcgagctga agggcatcga cttcaaggag 420gacggcaaca tcctggggca caagctggag
tacaactaca acagccacaa cgtctatatc 480atggccgaca agcagaagaa cggcatcaag
gtgaacttca agatccgcca caacatcgag 540gacggcagcg tgcagctcgc cgaccactac
cagcagaaca cccccatcgg cgacggcccc 600gtgctgctgc ccgacaacca ctacctgagc
acccagtccg ccctgagcaa agaccccaac 660gagaagcgcg atcacatggt cctgctggag
ttcgtgaccg ccgccgggat cactctcggc 720atggacgcca agttgaccag tgccgttc
74814541DNAArtificialprimer
145acctaagcaa cactagccaa catggtgagc aagggcgagg a
4114658DNAArtificialprimer 146gaacggcact ggtcaacttg gcgtccatgc cgagagtgat
cccggcggcg gtcacgaa 581471519DNAArtificialfusion DNA (T. aureum
ATCC 34304 ubiquitin promoter/ Enhanced GFP) 147tcggtacccg
ttagaacgcg taatacgact cactataggg agagtcgact gagcacaact 60ctgctgcgag
cgggcctcga gagcgtttgc ttcgagccgc ggagcaaggg ggatggatcg 120ctcatgcggt
cgtgcggccc tcggtcaccc ggtgggtcct gcactgacgc atctgttctg 180atcagacaca
cgaacgaaca aaccgaggag ccgcagcgcc tggtgcaccc gccgggcgtt 240gttgtgtgct
cttcttgcct ccgagagaga gagcggagcg gatgcatagg aaatcgggcc 300acgcgggagg
gccatgcgtt tgccccacac gccactttcc acgcccgctc tctctccggc 360cggcaggcag
cgcataactc tccgacgctg gcaggctggt agcaactggc agggacaact 420cgcgcgcggg
tcccggtcgt tcgatgtgcc aacccgagag aatccagcca gcagggcggt 480tggcctcatc
gcccacctgc tatggtgcag cgaaccaact cccgaagctg ccggttctgc 540gattccctct
tctgaattct gaattctgaa ctgattccgg aggagaaccc tctggaagcg 600cgggttgcct
ctccagttct gccgaactag acaggggagt gagcagagag tgaccctgac 660gcggagcgag
ctggttgctg gaaaagtcgc gaacgctggg ctgtgtcacg cgtccacttc 720gggcagaccc
caaacgacaa gcagaacaag caacaccagc agcagcaagc gacctaagca 780acactagcca
acatggtgag caagggcgag gagctgttca ccggggtggt gcccatcctg 840gtcgagctgg
acggcgacgt aaacggccac aagttcagcg tgtccggcga gggcgagggc 900gatgccacct
acggcaagct gaccctgaag ttcatctgca ccaccggcaa gctgcccgtg 960ccctggccca
ccctcgtgac caccctgacc tacggcgtgc agtgcttcag ccgctacccc 1020gaccacatga
agcagcacga cttcttcaag tccgccatgc ccgaaggcta cgtccaggag 1080cgcaccatct
tcttcaagga cgacggcaac tacaagaccc gcgccgaggt gaagttcgag 1140ggcgacaccc
tggtgaaccg catcgagctg aagggcatcg acttcaagga ggacggcaac 1200atcctggggc
acaagctgga gtacaactac aacagccaca acgtctatat catggccgac 1260aagcagaaga
acggcatcaa ggtgaacttc aagatccgcc acaacatcga ggacggcagc 1320gtgcagctcg
ccgaccacta ccagcagaac acccccatcg gcgacggccc cgtgctgctg 1380cccgacaacc
actacctgag cacccagtcc gccctgagca aagaccccaa cgagaagcgc 1440gatcacatgg
tcctgctgga gttcgtgacc gccgccggga tcactctcgg catggacgcc 1500aagttgacca
gtgccgttc
15191481319DNAArtificialfusion DNA (T. aureum ATCC 34304 ubiquitin
promoter/ Enhanced GFP) 148cccagatctg ccgcagcgcc tggtgcaccc gccgggcgtt
gttgtgtgct cttcttgcct 60ccgagagaga gagcggagcg gatgcatagg aaatcgggcc
acgcgggagg gccatgcgtt 120tgccccacac gccactttcc acgcccgctc tctctccggc
cggcaggcag cgcataactc 180tccgacgctg gcaggctggt agcaactggc agggacaact
cgcgcgcggg tcccggtcgt 240tcgatgtgcc aacccgagag aatccagcca gcagggcggt
tggcctcatc gcccacctgc 300tatggtgcag cgaaccaact cccgaagctg ccggttctgc
gattccctct tctgaattct 360gaattctgaa ctgattccgg aggagaaccc tctggaagcg
cgggttgcct ctccagttct 420gccgaactag acaggggagt gagcagagag tgaccctgac
gcggagcgag ctggttgctg 480gaaaagtcgc gaacgctggg ctgtgtcacg cgtccacttc
gggcagaccc caaacgacaa 540gcagaacaag caacaccagc agcagcaagc gacctaagca
acactagcca acatggtgag 600caagggcgag gagctgttca ccggggtggt gcccatcctg
gtcgagctgg acggcgacgt 660aaacggccac aagttcagcg tgtccggcga gggcgagggc
gatgccacct acggcaagct 720gaccctgaag ttcatctgca ccaccggcaa gctgcccgtg
ccctggccca ccctcgtgac 780caccctgacc tacggcgtgc agtgcttcag ccgctacccc
gaccacatga agcagcacga 840cttcttcaag tccgccatgc ccgaaggcta cgtccaggag
cgcaccatct tcttcaagga 900cgacggcaac tacaagaccc gcgccgaggt gaagttcgag
ggcgacaccc tggtgaaccg 960catcgagctg aagggcatcg acttcaagga ggacggcaac
atcctggggc acaagctgga 1020gtacaactac aacagccaca acgtctatat catggccgac
aagcagaaga acggcatcaa 1080ggtgaacttc aagatccgcc acaacatcga ggacggcagc
gtgcagctcg ccgaccacta 1140ccagcagaac acccccatcg gcgacggccc cgtgctgctg
cccgacaacc actacctgag 1200cacccagtcc gccctgagca aagaccccaa cgagaagcgc
gatcacatgg tcctgctgga 1260gttcgtgacc gccgccggga tcactctcgg catggacgcc
aagttgacca gtgccgttc 1319149408DNAArtificialcDNA (Zeor) 149cgccgccggg
atcactctcg gcatggacgc caagttgacc agtgccgttc cggtgctcac 60cgcgcgcgac
gtcgccggag cggtcgagtt ctggaccgac cggctcgggt tctcccggga 120cttcgtggag
gacgacttcg ccggtgtggt ccgggacgac gtgaccctgt tcatcagcgc 180ggtccaggac
caggtggtgc cggacaacac cctggcctgg gtgtgggtgc gcggcctgga 240cgagctgtac
gccgagtggt cggaggtcgt gtccacgaac ttccgggacg cctccgggcc 300ggccatgacc
gagatcggcg agcagccgtg ggggcgggag ttcgccctgc gcgacccggc 360cggcaactgc
gtgcacttcg tggccgagga gcaggactga gatctggg
40815054DNAArtificialprimer 150cgccgccggg atcactctcg gcatggacgc
caagttgacc agtgccgttc cggt 5415138DNAArtificialprimer
151cccagatctc agtcctgctc ctcggccacg aagtgcac
381521677DNAArtificialfusion DNA (T. aureum ATCC 34304 ubiquitin
promoter/Enhanced GFP/pcDNA3.1 Zeo(+) Zeor) 152cccagatctg ccgcagcgcc
tggtgcaccc gccgggcgtt gttgtgtgct cttcttgcct 60ccgagagaga gagcggagcg
gatgcatagg aaatcgggcc acgcgggagg gccatgcgtt 120tgccccacac gccactttcc
acgcccgctc tctctccggc cggcaggcag cgcataactc 180tccgacgctg gcaggctggt
agcaactggc agggacaact cgcgcgcggg tcccggtcgt 240tcgatgtgcc aacccgagag
aatccagcca gcagggcggt tggcctcatc gcccacctgc 300tatggtgcag cgaaccaact
cccgaagctg ccggttctgc gattccctct tctgaattct 360gaattctgaa ctgattccgg
aggagaaccc tctggaagcg cgggttgcct ctccagttct 420gccgaactag acaggggagt
gagcagagag tgaccctgac gcggagcgag ctggttgctg 480gaaaagtcgc gaacgctggg
ctgtgtcacg cgtccacttc gggcagaccc caaacgacaa 540gcagaacaag caacaccagc
agcagcaagc gacctaagca acactagcca acatggtgag 600caagggcgag gagctgttca
ccggggtggt gcccatcctg gtcgagctgg acggcgacgt 660aaacggccac aagttcagcg
tgtccggcga gggcgagggc gatgccacct acggcaagct 720gaccctgaag ttcatctgca
ccaccggcaa gctgcccgtg ccctggccca ccctcgtgac 780caccctgacc tacggcgtgc
agtgcttcag ccgctacccc gaccacatga agcagcacga 840cttcttcaag tccgccatgc
ccgaaggcta cgtccaggag cgcaccatct tcttcaagga 900cgacggcaac tacaagaccc
gcgccgaggt gaagttcgag ggcgacaccc tggtgaaccg 960catcgagctg aagggcatcg
acttcaagga ggacggcaac atcctggggc acaagctgga 1020gtacaactac aacagccaca
acgtctatat catggccgac aagcagaaga acggcatcaa 1080ggtgaacttc aagatccgcc
acaacatcga ggacggcagc gtgcagctcg ccgaccacta 1140ccagcagaac acccccatcg
gcgacggccc cgtgctgctg cccgacaacc actacctgag 1200cacccagtcc gccctgagca
aagaccccaa cgagaagcgc gatcacatgg tcctgctgga 1260gttcgtgacc gccgccggga
tcactctcgg catggacgcc aagttgacca gtgccgttcc 1320ggtgctcacc gcgcgcgacg
tcgccggagc ggtcgagttc tggaccgacc ggctcgggtt 1380ctcccgggac ttcgtggagg
acgacttcgc cggtgtggtc cgggacgacg tgaccctgtt 1440catcagcgcg gtccaggacc
aggtggtgcc ggacaacacc ctggcctggg tgtgggtgcg 1500cggcctggac gagctgtacg
ccgagtggtc ggaggtcgtg tccacgaact tccgggacgc 1560ctccgggccg gccatgaccg
agatcggcga gcagccgtgg gggcgggagt tcgccctgcg 1620cgacccggcc ggcaactgcg
tgcacttcgt ggccgaggag caggactgag atctggg
16771532884DNAArtificialgenomic DNA (T. aureum ATCC 34304 C20 elongase
upstream/C20 elongase/C20 elongase downstream) 153cccgaattca
ctagtgattc tcccgggtgg acctagcgcg tgtgtcacct gccggccccc 60gttgcgtgca
accgaattga tcgataatag aattacataa caaacaactt gctggatgag 120tacaagacca
gcgtagtgtg gctgtgggac gttgaacgga gcgggtcctg tgatggcgca 180gaaaggaact
ccgcccgagg tgaaaccccg atgcgcagga ctctgcggcc acagcccctc 240cgccagtatt
ccactaaaaa tccgccccct ttgacaaaga tcgcaacccc gtcccatcaa 300ctcctcacaa
taggctttcc actggcggaa acgtccccgg cacaggagtg cctcccgcgg 360ttctgcgcat
acggctgacc actacgcagc gcgatatcct ccatccgcgt atatatccgt 420aaacaacgga
acattctccc tctcaacgag gcgtggtttt cgaagtcatg cctttcttcc 480ttcctacttt
ccttccttct ttctttcttt ctttccttct tttgcaagcg tgcgcgaact 540tgaaggtact
acttacactt gacagagaga gatagagacg gcaattcgac caagtacttt 600ccacgatttt
tttttttttt gttttggtcg ctttcgttgg tcgtgcatga tggatggccg 660ggatttttac
aattggatgc gccaggctgc cacgcatgcc gtgacgcttg ctcgcggcga 720ctcatgatgc
ttgccagtgg cagtgcatcc agctcttccc tctgctcgtc gtgtactcac 780tggcgatgct
ctcggcgctc gttcaagggc catcgatcga tcgatcgatc gatcgatcga 840tcaatcacgt
ttggtggact cggcagaccc cgaacgtgtt tctcccagga cgcgccgctg 900tcgctcgcta
atccacccga agcgcggtcg gctggcacgg tcgctcggct ggaagttgag 960tagtttgctt
tctgttgctg cgctgctttg taaacgcgac catggcgacg cgcacctcga 1020agagcgctcc
ggcggtttcc aagtcggcca aggttgccgc gccggcgaag aagcggtcgg 1080tcgacaggag
cgacggtttc ttccgcacgt tcaacctgtg cgccctgtac gggtctgccc 1140tcgcctatgc
gtacaagcac ggcccggtgg acaatgacgg ccaggggctg tactttcaca 1200agtcgcccat
gtacgcgttc gccgtgtcgg acgtcatgac cttcggcgcg ccgctgatgt 1260acgtgctcgg
tgtgatgctg ctcagcaggt acatggcgga caaaaagccc ctgactggct 1320tcatcaagac
ctacatccag cccgtctaca acgtggtcca aatcgcggtg tgcggctgga 1380tggtgtgggg
cctctggccg caggtcgacc tggccaacgg caaccctttc ggcctcaaca 1440agtcgcgcga
ctcgaacatc gagtttttcg tgttcgtgca cctcctgaca aagtttctcg 1500actggagcga
cacgttcatg atgatcctca agaaaaacta cgcccaggtt agctttctgc 1560aggtgttcca
ccacgcaacg atcggcatgg tgtggtcgtt ccttcttcag cgtggctggg 1620gctcgggcac
cgccgcgtac ggtgctttca tcaactcggt cacgcacgtg atcatgtact 1680cgcactactt
tgccacctcg ctcaacatca acaacccgtt caagcggtac atcacgagct 1740tccagctcgc
ccagtttgca agctgcatcg tgcatgccct actggtgctt gccttcgagg 1800aggtgtaccc
gctcgagtac gcttacctgc agatcagcta ccacatcatc atgctctacc 1860tgttcggacg
ccgcatgaac tggagccccg agtggtgcac cggtgagatc gacggccttg 1920acgccccaag
cgcccccacc aagtccgagt aaacctgttt ccggctggct cccgagccat 1980gcttaccatg
aatgaacctg caaacagtct gaggtccttg tgcaaaccgc tcagtgggac 2040gtcgacgaag
aaagaaacaa tgtgtactcg tcttgctctg ctcccgcgcc gttttttatc 2100gttgttgaga
cctctcgcgc agttttggga atcaaccaaa acaagagccc ggcgtcagcg 2160tttgcttcgc
cctcggctgc actcgctcgg cacgcaggta taactgggtg agtaccaagc 2220cccgcatttg
tctgtccgcg atccgcgcac gctgcgggtc aggacgacat cgcgctgcac 2280gtcacagtgg
gtcccttttg acgtggctgc ggcgatgagg aggcttggct cggcttcatg 2340gcaaggcaac
agactcgctt ccgggacgcg cacgacgagc agcgctgctt tgatcgacct 2400tgcctgcgtc
accgcctcgg ctgctttgat cgatcgttgt caccggccga gtgaccgcga 2460acgcattgcc
cgcacggctc ggctcggccc ggaccggacc ggctcgcctt ggcggcgcgg 2520cgcgatggcg
acccagacgc ggccggagcc gcgcgcggag gacaaggcca tgttcatctt 2580cgggctcggg
tacgttggga gcaggctcgc caaccagctg gcggaacagg ggtggcgcgt 2640cgcggggtcg
gtgagggagc tcgggcgcga ggacgacttt gccgagttcg aaaagtccaa 2700gctgagcggc
aaggtgcagg tgttccgact cccgcttgag ggcgaggaca acacgcccgc 2760tcgcgcgcgg
gagatactta gcgggtacca gcacctgctg ttcacggcgc cagtggaccg 2820cgcccggaac
tgtgacccct tcttgggcga ccccgttctc ggccccggga taatcgaatt 2880cggg
288415450DNAArtificialprimer 154cccgaattca ctagtgattc tcccgggtgg
acctagcgcg tgtgtcacct 5015540DNAArtificialprimer
155cccgaattcg attatcccgg ggccgagaac ggggtcgccc
401561939DNAArtificialfusion DNA (T. aureum ATCC 34304 C20 elongase
upstream/C20 elongase downstream) 156cccgaattca ctagtgattc tcccgggtgg
acctagcgcg tgtgtcacct gccggccccc 60gttgcgtgca accgaattga tcgataatag
aattacataa caaacaactt gctggatgag 120tacaagacca gcgtagtgtg gctgtgggac
gttgaacgga gcgggtcctg tgatggcgca 180gaaaggaact ccgcccgagg tgaaaccccg
atgcgcagga ctctgcggcc acagcccctc 240cgccagtatt ccactaaaaa tccgccccct
ttgacaaaga tcgcaacccc gtcccatcaa 300ctcctcacaa taggctttcc actggcggaa
acgtccccgg cacaggagtg cctcccgcgg 360ttctgcgcat acggctgacc actacgcagc
gcgatatcct ccatccgcgt atatatccgt 420aaacaacgga acattctccc tctcaacgag
gcgtggtttt cgaagtcatg cctttcttcc 480ttcctacttt ccttccttct ttctttcttt
ctttccttct tttgcaagcg tgcgcgaact 540tgaaggtact acttacactt gacagagaga
gatagagacg gcaattcgac caagtacttt 600ccacgatttt tttttttttt gttttggtcg
ctttcgttgg tcgtgcatga tggatggccg 660ggatttttac aattggatgc gccaggctgc
cacgcatgcc gtgacgcttg ctcgcggcga 720ctcatgatgc ttgccagtgg cagtgcatcc
agctcttccc tctgctcgtc gtgtactcac 780tggcgatgct ctcggcgctc gttcaagggc
catcgatcga tcgatcgatc gatcgatcga 840tcaatcacgt ttggtggact cggcagaccc
cgaacgtgtt tctcccagga cgcgccgctg 900tcgctcgcta atccacccga agcgcggtcg
gctggcacgg tcgctcggct ggaagttgag 960tagtttgctt tctgttgctg cgctgctttg
taaacgcgac cagatctacc tgtttccggc 1020tggctcccga gccatgctta ccatgaatga
acctgcaaac agtctgaggt ccttgtgcaa 1080accgctcagt gggacgtcga cgaagaaaga
aacaatgtgt actcgtcttg ctctgctccc 1140gcgccgtttt ttatcgttgt tgagacctct
cgcgcagttt tgggaatcaa ccaaaacaag 1200agcccggcgt cagcgtttgc ttcgccctcg
gctgcactcg ctcggcacgc aggtataact 1260gggtgagtac caagccccgc atttgtctgt
ccgcgatccg cgcacgctgc gggtcaggac 1320gacatcgcgc tgcacgtcac agtgggtccc
ttttgacgtg gctgcggcga tgaggaggct 1380tggctcggct tcatggcaag gcaacagact
cgcttccggg acgcgcacga cgagcagcgc 1440tgctttgatc gaccttgcct gcgtcaccgc
ctcggctgct ttgatcgatc gttgtcaccg 1500gccgagtgac cgcgaacgca ttgcccgcac
ggctcggctc ggcccggacc ggaccggctc 1560gccttggcgg cgcggcgcga tggcgaccca
gacgcggccg gagccgcgcg cggaggacaa 1620ggccatgttc atcttcgggc tcgggtacgt
tgggagcagg ctcgccaacc agctggcgga 1680acaggggtgg cgcgtcgcgg ggtcggtgag
ggagctcggg cgcgaggacg actttgccga 1740gttcgaaaag tccaagctga gcggcaaggt
gcaggtgttc cgactcccgc ttgagggcga 1800ggacaacacg cccgctcgcg cgcgggagat
acttagcggg taccagcacc tgctgttcac 1860ggcgccagtg gaccgcgccc ggaactgtga
ccccttcttg ggcgaccccg ttctcggccc 1920cgggataatc gaattcggg
193915738DNAArtificialprimer
157cccagatcta cctgtttccg gctggctccc gagccatg
3815838DNAArtificialprimer 158cccagatctg gtcgcgttta caaagcagcg cagcaaca
3815931DNAArtificialprimer 159ctcccgggtg
gacctagcgc gtgtgtcacc t
3116027DNAArtificialprimer 160atcccggggc cgagaacgcc ctcgccc
271613215DNAArtificialfusion DNA (T. aureum C20
elongase upstream/ubiquitin promoter/Blar/SV40 terminator/T. aureum
C20 elongase downstream) 161ctcccgggtg gacctagcgc gtgtgtcacc
tgccggcccc cgttgcgtgc aaccgaattg 60atcgataata gaattacata acaaacaact
tgctggatga gtacaagacc agcgtagtgt 120ggctgtggga cgttgaacgg agcgggtcct
gtgatggcgc agaaaggaac tccgcccgag 180gtgaaacccc gatgcgcagg actctgcggc
cacagcccct ccgccagtat tccactaaaa 240atccgccccc tttgacaaag atcgcaaccc
cgtcccatca actcctcaca ataggctttc 300cactggcgga aacgtccccg gcacaggagt
gcctcccgcg gttctgcgca tgcggctgac 360cactacgcag cgcgatatcc tccatccgcg
tatatatccg taaacaacgg aacattctcc 420ctctcaacga ggcgtggttt tcgaagtcat
gcctttcttc cttcctactt tccttccttc 480tttctttctt tctttccttc ttttgcaagc
gtgcgcgaac ttgaaggtac tacttacact 540tgacagagag agatagagac ggcaattcga
ccaagtactt tccacgattt tttttttttt 600tgttttggtc gctttcgttg gtcgtgcatg
atggatggcc gggattttta caattggatg 660cgccaggctg ccacgcatgc cgtgacgctt
gctcgcggcg actcatgatg cttgccagtg 720gcagtgcatc cagctcttcc ctctgctcgt
cgtgtactca ctggcgatgc tctcggcgct 780cgttcaaggg ccatcgatcg atcgatcgat
cgatcgatcg atcaatcacg tttggtggac 840tcggcagacc ccgaacgtgt ttctcccagg
acgcgccgct gtcgctcgct aatccacccg 900aagcgcggtc ggctggcacg gtcgctcggc
tggaagttga gtagtttgct ttctgttgct 960gcgctgcttt gtaaacgcga ccagatctgg
atctgccgca gcgcctggtg cacccgccgg 1020gcgttgttgt gtgctcttct tgcctccgag
agagagagcg gagcggatgc ataggaaatc 1080gggccacgcg ggagggccat gcgttcgccc
cacacgccac tttccacgcc cgctctctct 1140ccggccggca ggcagcgcat aactctccga
cgctggcagg ctggtagcaa ctggcaggga 1200caactcgcgc gcgggtcccg gtcgttcgat
gtgccaaccc gagagaatcc agccagcagg 1260gcggttggcc tcatcgccca cctgctatgg
tgcagcgaac caactcccga agcggccggt 1320tctgcgattc cctcttctga attctgaatt
ctgaactgat tccggaggag aaccctctgg 1380aagcgcgggt tgcctctcca gttctgccga
actagacagg ggagtgagca gagagtgacc 1440ctgacgcgga gcgagctggt tgctggaaaa
gtcgcgaacg ctgggctgtg tcacgcgtcc 1500acttcgggca gtccccaaac gacaagcaga
acaagcaaca ccagcagcag caagcgacct 1560aagcaacact agccaacatg gccaagcctt
tgtctcaaga agaatccacc ctcattgaaa 1620gagcaacggc tacaatcaac agcatcccca
tctctgaaga ctacagcgtc gccagcgcag 1680ctctctctag cgacggccgc atcttcactg
gtgtcaatgt atatcatttt actgggggac 1740cttgtgcaga actcgtggtg ctgggcactg
ctgctgctgc ggcagctggc aacctgactt 1800gtatcgtcgc gatcggaaat gagaacaggg
gcatcttgag cccctgcgga cggtgccgac 1860aggtgcttct cgatctgcat cctgggatca
aagccatagt gaaggacagt gatggacagc 1920cgacggcagt tgggattcgt gaattgctgc
cctctggtta tgtgtgggag ggctaagatc 1980cgcgaaatga ccgaccaagc gacgcccaac
ctgccatcac gagatttcga ttccaccgcc 2040gccttctatg aaaggttggg cttcggaatc
gttttccggg acgccggctg gatgatcctc 2100cagcgcgggg atctcatgct ggagttcttc
gcccacccca acttgtttat tgcagcttat 2160aatggttaca aataaagcaa tagcatcaca
aatttcacaa ataaagcatt tttttcactg 2220cattctagtt gtggtttgtc caaactcatc
aatgtatctt atcatgtctg tataccgtcg 2280acctctagct agatctacct gtttccggct
ggctcccgag ccatgcttac catgaatgaa 2340cctgcaaaca gtctgaggtc cttgtgcaaa
ccgctcagtg ggacgtcgac gaagaaagaa 2400acaatgtgta ctcgtcttgc tctgctcccg
cgccgttttt tatcgttgtt gagacctctc 2460gcgcagtttt gggaatcaac caaaacaaga
gcccggcgtc agcgtttgct tcgccctcgg 2520ctgcactcgc tcggcacgca ggtataactg
ggtgagtacc aagccccgca tttgtctgtc 2580cgcgatccgc gcacgctgcg ggtcaggacg
acatcgcgct gcacgtcaca gtgggtccct 2640tttgacgtgg ctgcggcgat gaggaggctt
ggctcggctt catggcaagg caacagactc 2700gcttccggga cgcgcacgac gagcagcgct
gctttgatcg accttgcctg cgtcaccgcc 2760tcggctgctt tgatcgatcg ttgtcaccgg
ccgagtgacc gcgaacgcat tgcccgcacg 2820gctcggctcg gcccggaccg gaccggctcg
ccttggcggc gcggcgcgat ggcgacccag 2880acgcggccgg agccgcgcgc ggaggacaag
gccatgttca tcttcgggct cgggtacgtt 2940gggagcaggc tcgccaacca gctggcggaa
caggggtggc gcgtcgcggg gtcggtgagg 3000gagctcgggc gcgaggacga ctttgccgag
ttcgaaaagt ccaagctgag cggcaaggtg 3060caggtgttcc aactcccgct tgagggcgag
gacaacacgc ccgctcgcgc gcgggagata 3120cttagcgggt accagcacct gctgttcacg
gcgccagtgg accgcgcccg gaactgtgac 3180cccttcttgg gcgaccccgt tctcggcccc
gggat 32151623887DNAArtificialfusion DNA (T.
aureum C20 elongase upstream/ubiquitin promoter/Enhanced
GFP/Zeor/SV40 terminator/T. aureum C20 elogase downstream)
162ctcccgggtg gacctagcgc gtgtgtcacc tgccggcccc cgttgcgtgc aaccgaattg
60atcgataata gaattacata acaaacaact tgctggatga gtacaagacc agcgtagtgt
120ggctgtggga cgttgaacgg agcgggtcct gtgatggcgc agaaaggaac tccgcccgag
180gtgaaacccc gatgcgcagg actctgcggc cacagcccct ccgccagtat tccactaaaa
240atccgccccc tttgacaaag atcgcaaccc cgtcccatca actcctcaca ataggctttc
300cactggcgga aacgtccccg gcacaggagt gcctcccgcg gttctgcgca tacggctgac
360cactacgcag cgcgatatcc tccatccgcg tatatatccg taaacaacgg aacattctcc
420ctctcaacga ggcgtggttt tcgaagtcat gcctttcttc cttcctactt tccttccttc
480tttctttctt tctttccttc ttttgcaagc gtgcgcgaac ttgaaggtac tacttacact
540tgacagagag agatagagac ggcaattcga ccaagtactt tccacgattt tttttttttt
600tgttttggtc gctttcgttg gtcgtgcatg atggatggcc gggattttta caattggatg
660cgccaggctg ccacgcatgc cgtgacgctt gctcgcggcg actcatgatg cttgccagtg
720gcagtgcatc cagctcttcc ctctgctcgt cgtgtactca ctggcgatgc tctcggcgct
780cgttcaaggg ccatcgatcg atcgatcgat cgatcgatcg atcaatcacg tttggtggac
840tcggcagacc ccgaacgtgt ttctcccagg acgcgccgct gtcgctcgct aatccacccg
900aagcgcggtc ggctggcacg gtcgctcggc tggaagttga gtagtttgct ttctgttgct
960gcgctgcttt gtaaacgcga ccagatctgc cgcagcgcct ggtgcacccg ccgggcgttg
1020ttgtgtgctc ttcttgcctc cgagagagag agcggagcgg atgcatagga aatcgggcca
1080cgcgggaggg ccatgcgttt gccccacacg ccactttcca cgcccgctct ctctccggcc
1140ggcaggcagc gcataactct ccgacgctgg caggctggta gcaactggca gggacaactc
1200gcgcgcgggt cccggtcgtt cgatgtgcca acccgagaga atccagccag cagggcggtt
1260ggcctcatcg cccacctgct atggtgcagc gaaccaactc ccgaagctgc cggttctgcg
1320attccctctt ctgaattctg aattctgaac tgattccgga ggagaaccct ctggaagcgc
1380gggttgcctc tccagttctg ccgaactaga caggggagtg agcagagagt gaccctgacg
1440cggagcgagc tggttgctgg aaaagtcgcg aacgctgggc tgtgtcacgc gtccacttcg
1500ggcagacccc aaacgacaag cagaacaagc aacaccagca gcagcaagcg atctaagcaa
1560cactagccaa catggtgagc aagggcgagg agctgttcac cggggtggtg cccatcctgg
1620tcgagctgga cggcgacgta aacggccaca agttcagcgt gtccggcgag ggcgagggcg
1680atgccaccta cggcaagctg accctgaagt tcatctgcac caccggcaag ctgcccgtgc
1740cctggcccac cctcgtgacc accctgacct acggcgtgca gtgcttcagc cgctaccccg
1800accacatgaa gcagcacgac ttcttcaagt ccgccatgcc cgaaggctac gtccaggagc
1860gcaccatctt cttcaaggac gacggcaact acaagacccg cgccgaggtg aagttcgagg
1920gcgacaccct ggtgaaccgc atcgagctga agggcatcga cttcaaggag gacggcaaca
1980tcctggggca caagctggag tacaactaca acagccacaa cgtctatatc atggccgaca
2040agcagaagaa cggcatcaag gtgaacttca agatccgcca caacatcgag gacggcagcg
2100tgcagctcgc cgaccactac cagcagaaca cccccatcgg cgacggcccc gtgctgctgc
2160ccgacaacca ctacctgagc acccagtccg ccctgagcaa agaccccaac gagaagcgcg
2220atcacatggt cctgctggag ttcgtgaccg ccgccgggat cactctcggc atggacgcca
2280agttgaccag tgccgttccg gtgctcaccg cgcgcgacgt cgccggagcg gtcgagttct
2340ggaccgaccg gctcgggttc tcccgggact tcgtggagga cgacttcgcc ggtgtggtcc
2400gggacgacgt gaccctgttc atcagcgcgg tccaggacca ggtggtgccg gacaacaccc
2460tggcctgggt gtgggtgcgc ggcctggacg agctgtacgc cgagtggtcg gaggtcgtgt
2520ccacgaactt ccgggacgcc tccgggccgg ccatgaccga gatcggcgag cagccgtggg
2580ggcgggagtt cgccctgcgc gacccggccg gcaactgcgt gcacttcgtg gccgaggagc
2640aggactgaga tccgcgaaat gaccgaccaa gcgacgccca acctgccatc acgagatttc
2700gattccaccg ccgccttcta tgaaaggttg ggcttcggaa tcgttttccg ggacgccggc
2760tggatgatcc tccagcgcgg ggatctcatg ctggagttct tcgcccaccc caacttgttt
2820attgcagctt ataatggtta caaataaagc aatagcatca caaatttcac aaataaagca
2880tttttttcac tgcattctag ttgtggtttg tccaaactca tcaatgtatc ttatcatgtc
2940tgtataccgt cgacctctag ctagatctac ctgtttccgg ctggctcccg agccatgctt
3000accatgaatg aacctgcaaa cagtctgagg tccttgtgca aaccgctcag tgggacgtcg
3060acgaagaaag aaacaatgtg tactcgtctt gctctgctcc cgcgccgttt tttatcgttg
3120ttgagacctc tcgcgcagtt ttgggaatca accaaaacaa gagcccggcg tcagcgtttg
3180cttcgccctc ggctgcactc gctcggcacg caggtataac tgggtgagta ccaagccccg
3240catttgtctg tccgcgatcc gcgcacgctg cgggtcagga cgacatcgcg ctgcacgtca
3300cagtgggtcc cttttgacgt ggctgcggcg atgaggaggc ttggctcggc ttcatggcaa
3360ggcaacagac tcgcttccgg gacgcgcacg acgagcagcg ctgctttgat cgaccttgcc
3420tgcgtcaccg cctcggctgc tttgatcgat cgttgtcacc ggccgagtga ccgcgaacgc
3480attgcccgca cggctcggct cggcccggac cggaccggct cgccttggcg gcgcggcgcg
3540atggcgaccc agacgcggcc ggagccgcgc gcggaggaca aggccatgtt catcttcggg
3600ctcgggtacg ttgggagcag gctcgccaac cagctggcgg aacaggggtg gcgcgtcgcg
3660gggtcggtga gggagctcgg gcgcgaggac gactttgccg agttcgaaaa gtccaagctg
3720agcggcaagg tgcaggtgtt ccgactcccg cttgagggcg aggacaacac gcccgctcgc
3780gcgcgggaga tacttagcgg gtaccagcac ctgctgttca cggcgccagt ggaccgcgcc
3840cggaactgtg accccttctt gggcgacccc gttctcggcc ccgggat
388716321DNAArtificialprimer 163acgtccgctt caaacacctc g
2116424DNAArtificialprimer 164tcggaacaac
tggaacaact aaag
2416522DNAArtificialprimer 165atgtcgctct ccttcttctc ag
2216621DNAArtificialprimer 166tcggctcctg
gaaagtgctc t
21167812DNAArtificialubiquitin promoter 167tcggtacccg ttagaacgcg
taatacgact cactataggg agagtcgact gagcacaact 60ctgctgcgag cgggcctcga
gagcgtttgc ttcgagccgc ggagcaaggg ggatggatcg 120ctcatgcggt cgtgcggccc
tcggtcaccc ggtgggtcct gcactgacgc atctgttctg 180atcagacaca cgaacgaaca
aaccgaggag ccgcagcgcc tggtgcaccc gccgggcgtt 240gttgtgtgct cttcttgcct
ccgagagaga gagcggagcg gatgcatagg aaatcgggcc 300acgcgggagg gccatgcgtt
cgccccacac gccactttcc acgcccgctc tctctccggc 360cggcaggcag cgcataactc
tccgacgctg gcaggctggt agcaactggc agggacaact 420cgcgcgcggg tcccggtcgt
tcgatgtgcc aacccgagag aatccagcca gcagggcggt 480tggcctcatc gcccacctgc
tatggtgcag cgaaccaact cccgaagcgg ccggttctgc 540gattccctct tctgaattct
gaattctgaa ctgattccgg aggagaaccc tctggaagcg 600cgggttgcct ctccagttct
gccgaactag acaggggagt gagcagagag tgaccctgac 660gcggagcgag ctggttgctg
gaaaagtcgc gaacgctggg ctgtgtcacg cgtccacttc 720gggcagaccc caaacgacaa
gcagaacaag caacaccagc agcagcaagc gacctaagca 780acactagcca acatgactga
ggataagacg aa
81216829DNAArtificialprimer 168tcggtacccg ttagaacgcg taatacgac
2916945DNAArtificialprimer 169ttcgtcttat
cctcagtcat gttggctagt gttgcttagg tcgct
451701116DNAArtificialcDNA (Saprolegnia diclina omega3 desaturase)
170cctaagcaac actagccaac atgactgagg ataagacgaa ggtcgagttc ccgacgctca
60cggagctcaa gcactcgatc ccgaacgcgt gctttgagtc gaacctcggc ctctcgctct
120actacacggc ccgcgcgatc ttcaacgcgt cggcctcggc ggcgctgctc tacgcggcgc
180gctcgacgcc gttcattgcc gataacgttc tgctccacgc gctcgtttgc gccacctaca
240tctacgtgca gggcgtcatc ttctggggct tcttcacggt cggccacgac tgcggccact
300cggccttctc gcgctaccac agcgtcaact ttatcatcgg ctgcatcatg cactctgcga
360ttttgacgcc gttcgagagc tggcgcgtga cgcaccgcca ccaccacaag aacacgggca
420acattgataa ggacgagatc ttttacccgc accggtcggt caaggacctc caggacgtgc
480gccaatgggt ctacacgctc ggcggtgcgt ggtttgtcta cttgaaggtc gggtatgccc
540cgcgcacgat gagccacttt gacccgtggg acccgctcct ccttcgccgc gcgtcggccg
600tcatcgtgtc gctcggcgtc tgggccgcct tcttcgccgc gtacgcgtac ctcacatact
660cgctcggctt tgccgtcatg ggcctctact actatgcgcc gctctttgtc tttgcttcgt
720tcctcgtcat tacgaccttc ttgcaccaca acgacgaagc gacgccgtgg tacggcgact
780cggagtggac gtacgtcaag ggcaacctct cgagcgtcga ccgctcgtac ggcgcgttcg
840tggacaacct gagccaccac attggcacgc accaggtcca ccacttgttc ccgatcattc
900cgcactacaa gctcaacgaa gccaccaagc actttgcggc cgcgtacccg cacctcgtgc
960gcaagaacga cgagcccatc atctcggcct tcttcaagac cgcgcacctc tttgtcaact
1020acggcgctgt gcccgagacg gcgcagatct tcacgctcaa agagtcggcc gcggccgcca
1080aggccaagtc ggactaaact aagctatctg tagtat
111617143DNAArtificialprimer 171cctaagcaac actagccaac atgactgagg
ataagacgaa ggt 4317240DNAArtificialprimer
172atactacaga tagcttagtt ttagtccgac ttggccttgg
40173614DNAArtificialubiquitin terminator 173ccaaggccaa gtcggactaa
actaagctat ctgtagtatg tgctatactc gaatcatgct 60gccctgtacg tacctaccta
tatctgattg agcgtgctgc gtcgaccata gacgcgggaa 120cgcgggccag cctaccacgt
tgccgccgcc ggtatccacg ggcacgccaa agcattggtc 180gataacgctc tgcccagggc
ttcctggcga ggacccgagg ccaacatgca tgcatgtgct 240atcagcggtc atcatcgccc
tcatcagcgc gcatcggcga gctcgcgcac gaacggcaag 300cgcccaactc aactcactta
ctcacactat ggtcttgccg ttggcggttg cttagctaat 360gcgtgacgtc actctgcctc
caacatcgcg aggcagagtc gcgagcagtg cagaggccac 420ggcggacgcc aacaaagcgc
caaccagcgc aacgcaccag cgggtctgtg ggcgtagctc 480gagcgggcgt cttcaagagc
cgccgtggag ccgacgcccc tgcgaagggc tcgagtgcaa 540gcggggccgt tgagccgcgt
ggtaggaaca actgcagtct ccctatagtg agtcgtatta 600cgcggtggta ccga
61417444DNAArtificialprimer
174ccaaggccaa gtcggactaa aactaagcta tctgtagtat gtgc
4417545DNAArtificialprimer 175tcggtaccac cgcgtaatac gactcactat agggagactg
cagtt 451762463DNAArtificialfusion DNA (T. aureum
ATCC 34304 ubiquitin promoter/Saprolegnia diclina omega3
desaturase/T. aureum ATCC 34304 ubiquitin terminator) 176tcggtacccg
ttagaacgcg taatacgact cactataggg agagtcgact gagcacaact 60ctgctgcgag
cgggcctcga gagcgtttgc ttcgagccgc ggagcaaggg ggatggatcg 120ctcatgcggt
cgtgcggccc tcggtcaccc ggtgggtcct gcactgacgc atctgttctg 180atcagacaca
cgaacgaaca aaccgaggag ccgcagcgcc tggtgcaccc gccgggcgtt 240gttgtgtgct
cttcttgcct ccgagagaga gagcggagcg gatgcatagg aaatcgggcc 300acgcgggagg
gccatgcgtt cgccccacac gccactttcc acgcccgctc tctctccggc 360cggcaggcag
cgcataactc tccgacgctg gcaggctggt agcaactggc agggacaact 420cgcgcgcggg
tcccggtcgt tcgatgtgcc aacccgagag aatccagcca gcagggcggt 480tggcctcatc
gcccacctgc tatggtgcag cgaaccaact cccgaagcgg ccggttctgc 540gattccctct
tctgaattct gaattctgaa ctgattccgg aggagaaccc tctggaagcg 600cgggttgcct
ctccagttct gccgaactag acaggggagt gagcagagag tgaccctgac 660gcggagcgag
ctggttgctg gaaaagtcgc gaacgctggg ctgtgtcacg cgtccacttc 720gggcagaccc
caaacgacaa gcagaacaag caacaccagc agcagcaagc gacctaagca 780acactagcca
acatgactga ggataagacg aaggtcgagt tcccgacgct cacggagctc 840aagcactcga
tcccgaacgc gtgctttgag tcgaacctcg gcctctcgct ctactacacg 900gcccgcgcga
tcttcaacgc gtcggcctcg gcggcgctgc tctacgcggc gcgctcgacg 960ccgttcattg
ccgataacgt tctgctccac gcgctcgttt gcgccaccta catctacgtg 1020cagggcgtca
tcttctgggg cttcttcacg gtcggccacg actgcggcca ctcggccttc 1080tcgcgctacc
acagcgtcaa ctttatcatc ggctgcatca tgcactctgc gattttgacg 1140ccgttcgaga
gctggcgcgt gacgcaccgc caccaccaca agaacacggg caacattgat 1200aaggacgaga
tcttttaccc gcaccggtcg gtcaaggacc tccaggacgt gcgccaatgg 1260gtctacacgc
tcggcggtgc gtggtttgtc tacttgaagg tcgggtatgc cccgcgcacg 1320atgagccact
ttgacccgtg ggacccgctc ctccttcgcc gcgcgtcggc cgtcatcgtg 1380tcgctcggcg
tctgggccgc cttcttcgcc gcgtacgcgt acctcacata ctcgctcggc 1440tttgccgtca
tgggcctcta ctactatgcg ccgctctttg tctttgcttc gttcctcgtc 1500attacgacct
tcttgcacca caacgacgaa gcgacgccgt ggtacggcga ctcggagtgg 1560acgtacgtca
agggcaacct ctcgagcgtc gaccgctcgt acggcgcgtt cgtggacaac 1620ctgagccacc
acattggcac gcaccaggtc caccacttgt tcccgatcat tccgcactac 1680aagctcaacg
aagccaccaa gcactttgcg gccgcgtacc cgcacctcgt gcgcaagaac 1740gacgagccca
tcatctcggc cttcttcaag accgcgcacc tctttgtcaa ctacggcgct 1800gtgcccgaga
cggcgcagat cttcacgctc aaagagtcgg ccgcggccgc caaggccaag 1860tcggactaaa
ctaagctatc tgtagtatgt gctatactcg aatcatgctg ccctgtacgt 1920acctacctat
atctgattga gcgtgctgcg tcgaccatag acgcgggaac gcgggccagc 1980ctaccacgtt
gccgccgccg gtatccacgg gcacgccaaa gcattggtcg ataacgctct 2040gcccagggct
tcctggcgag gacccgaggc caacatgcat gcatgtgcta tcagcggtca 2100tcatcgccct
catcagcgcg catcggcgag ctcgcgcacg aacggcaagc gcccaactca 2160actcacttac
tcacactatg gtcttgccgt tggcggttgc ttagctaatg cgtgacgtca 2220ctctgcctcc
aacatcgcga ggcagagtcg cgagcagtgc agaggccacg gcggacgcca 2280acaaagcgcc
aaccagcgca acgcaccagc gggtctgtgg gcgtagctcg agcgggcgtc 2340ttcaagagcc
gccgtggagc cgacgcccct gcgaagggct cgagtgcaag cggggccgtt 2400gagccgcgtg
gtaggaacaa ctgcagtctc cctatagtga gtcgtattac gcggtggtac 2460cga
246317736DNAArtificialprimer 177cccggtaccg ccgcagcgcc tggtgcaccc gccggg
361783777DNAArtificialfusion DNA (ubiquitin
promoter/omega 3 desaturase/ubiquitin terminator/ubiquitin
promoter/Blar/SV40 terminator) 178tcggtacccg ttagaacgcg taatacgact
cactataggg agagtcgact gagcacaact 60ctgctgcgag cgggcctcga gagcgtttgc
ttcgagccgc ggagcaaggg ggatggatcg 120ctcatgcggt cgtgcggccc tcggtcaccc
ggtgggtcct gcactgacgc atctgttctg 180atcagacaca cgaacgaaca aaccgaggag
ccgcagcgcc tggtgcaccc gccgggcgtt 240gttgtgtgct cttcttgcct ccgagagaga
gagcggagcg gatgcatagg aaatcgggcc 300acgcgggagg gccatgcgtt cgccccacac
gccactttcc acgcccgctc tctctccggc 360cggcaggcag cgcataactc tccgacgctg
gcaggctggt agcaactggc agggacaact 420cgcgcgcggg tcccggtcgt tcgatgtgcc
aacccgagag aatccagcca gcagggcggt 480tggcctcatc gcccacctgc tatggtgcag
cgaaccaact cccgaagcgg ccggttctgc 540gattccctct tctgaattct gaattctgaa
ctgattccgg aggagaaccc tctggaagcg 600cgggttgcct ctccagttct gccgaactag
acaggggagt gagcagagag tgaccctgac 660gcggagcgag ctggttgctg gaaaagtcgc
gaacgctggg ctgtgtcacg cgtccacttc 720gggcagaccc caaacgacaa gcagaacaag
caacaccagc agcagcaagc gacctaagca 780acactagcca acatgactga ggataagacg
aaggtcgagt tcccgacgct cacggagctc 840aagcactcga tcccgaacgc gtgctttgag
tcgaacctcg gcctctcgct ctactacacg 900gcccgcgcga tcttcaacgc gtcggcctcg
gcggcgctgc tctacgcggc gcgctcgacg 960ccgttcattg ccgataacgt tctgctccac
gcgctcgttt gcgccaccta catctacgtg 1020cagggcgtca tcttctgggg cttcttcacg
gtcggccacg actgcggcca ctcggccttc 1080tcgcgctacc acagcgtcaa ctttatcatc
ggctgcatca tgcactctgc gattttgacg 1140ccgttcgaga gctggcgcgt gacgcaccgc
caccaccaca agaacacggg caacattgat 1200aaggacgaga tcttttaccc gcaccggtcg
gtcaaggacc tccaggacgt gcgccaatgg 1260gtctacacgc tcggcggtgc gtggtttgtc
tacttgaagg tcgggtatgc cccgcgcacg 1320atgagccact ttgacccgtg ggacccgctc
ctccttcgcc gcgcgtcggc cgtcatcgtg 1380tcgctcggcg tctgggccgc cttcttcgcc
gcgtacgcgt acctcacata ctcgctcggc 1440tttgccgtca tgggcctcta ctactatgcg
ccgctctttg tctttgcttc gttcctcgtc 1500attacgacct tcttgcacca caacgacgaa
gcgacgccgt ggtacggcga ctcggagtgg 1560acgtacgtca agggcaacct ctcgagcgtc
gaccgctcgt acggcgcgtt cgtggacaac 1620ctgagccacc acattggcac gcaccaggtc
caccacttgt tcccgatcat tccgcactac 1680aagctcaacg aagccaccaa gcactttgcg
gccgcgtacc cgcacctcgt gcgcaagaac 1740gacgagccca tcatctcggc cttcttcaag
accgcgcacc tctttgtcaa ctacggcgct 1800gtgcccgaga cggcgcagat cttcacgctc
aaagagtcgg ccgcggccgc caaggccaag 1860tcggactaaa ctaagctatc tgtagtatgt
gctatactcg aatcatgctg ccctgtacgt 1920acctacctat atctgattga gcgtgctgcg
tcgaccatag acgcgggaac gcgggccagc 1980ctaccacgtt gccgccgccg gtatccacgg
gcacgccaaa gcattggtcg ataacgctct 2040gcccagggct tcctggcgag gacccgaggc
caacatgcat gcatgtgcta tcagcggtca 2100tcatcgccct catcagcgcg catcggcgag
ctcgcgcacg aacggcaagc gcccaactca 2160actcacttac tcacactatg gtcttgccgt
tggcggttgc ttagctaatg cgtgacgtca 2220ctctgcctcc aacatcgcga ggcagagtcg
cgagcagtgc agaggccacg gcggacgcca 2280acaaagcgcc aaccagcgca acgcaccagc
gggtctgtgg gcgtagctcg agcgggcgtc 2340ttcaagagcc gccgtggagc cgacgcccct
gcgaagggct cgagtgcaag cggggccgtt 2400gagccgcgtg gtaggaacaa ctgcagtctc
cctatagtga gtcgtattac gcggtggtac 2460cgccgcagcg cctggtgcac ccgccgggcg
ttgttgtgtg ctcttcttgc ctccgagaga 2520gagagcggag cggatgcata ggaaatcggg
ccacgcggga gggccatgcg ttcgccccac 2580acgccacttt ccacgcccgc tctctctccg
gccggcaggc agcgcataac tctccgacgc 2640tggcaggctg gtagcaactg gcagggacaa
ctcgcgcgcg ggtcccggtc gttcgatgtg 2700ccaacccgag agaatccagc cagcagggcg
gttggcctca tcgcccacct gctatggtgc 2760agcgaaccaa ctcccgaagc ggccggttct
gcgattccct cttctgaatt ctgaattctg 2820aactgattcc ggaggagaac cctctggaag
cgcgggttgc ctctccagtt ctgccgaact 2880agacagggga gtgagcagag agtgaccctg
acgcggagcg agctggttgc tggaaaagtc 2940gcgaacgctg ggctgtgtca cgcgtccact
tcgggcagtc cccaaacgac aagcagaaca 3000agcaacacca gcagcagcaa gcgacctaag
caacactagc caacatggcc aagcctttgt 3060ctcaagaaga atccaccctc attgaaagag
caacggctac aatcaacagc atccccatct 3120ctgaagacta cagcgtcgcc agcgcagctc
tctctagcga cggccgcatc ttcactggtg 3180tcaatgtata tcattttact gggggacctt
gtgcagaact cgtggtgctg ggcactgctg 3240ctgctgcggc agctggcaac ctgacttgta
tcgtcgcgat cggaaatgag aacaggggca 3300tcttgagccc ctgcggacgg tgccgacagg
tgcttctcga tctgcatcct gggatcaaag 3360ccatagtgaa ggacagtgat ggacagccga
cggcagttgg gattcgtgaa ttgctgccct 3420ctggttatgt gtgggagggc taagatccgc
gaaatgaccg accaagcgac gcccaacctg 3480ccatcacgag atttcgattc caccgccgcc
ttctatgaaa ggttgggctt cggaatcgtt 3540ttccgggacg ccggctggat gatcctccag
cgcggggatc tcatgctgga gttcttcgcc 3600caccccaact tgtttattgc agcttataat
ggttacaaat aaagcaatag catcacaaat 3660ttcacaaata aagcattttt ttcactgcat
tctagttgtg gtttgtccaa actcatcaat 3720gtatcttatc atgtctgtat accgtcgacc
tctagctaga tctcacatta attgcgt 377717923DNAArtificialprimer
179athgartwyt kbrtnttygt nca
2318023DNAArtificialprimer 180tartrnswrt acatnadnam rtg
2318128DNAArtificialprimer 181ctgacaaagt
ttctcgactg gagcgaca
2818224DNAArtificialprimer 182tacgcggcgg tgcccgagcc ccag
2418328DNAArtificialprimer 183tgccgatcgt
tgcgtggtgg aacacctg
2818420DNAArtificialprimer 184atggcgacgc gcacctcgaa
2018522DNAArtificialprimer 185ttactcggac
ttggtggggg cg
22186951DNAThraustochytrium aureumgenomic C20 elongase 186atggcgacgc
gcacctcgaa gagcgctccg gcggtttcca agtcggccaa ggttgccgcg 60ccggcgaaga
agcggtcggt cgacaggagc gacggtttct tccgcacgtt caacctgtgc 120gccctgtacg
ggtctgccct cgcctatgcg tacaagcacg gcccggtgga caatgacggc 180caggggctgt
actttcacaa gtcgcccatg tacgcgttcg ccgtgtcgga cgtcatgacc 240ttcggcgcgc
cgctgatgta cgtgctcggt gtgatgctgc tcagcaggta catggcggac 300aaaaagcccc
tgactggctt catcaagacc tacatccagc ccgtctacaa cgtggtccaa 360atcgcggtgt
gcggctggat ggtgtggggc ctctggccgc aggtcgacct ggccaacggc 420aaccctttcg
gcctcaacaa gtcgcgcgac tcgaacatcg agtttttcgt gttcgtgcac 480ctcctgacaa
agtttctcga ctggagcgac acgttcatga tgatcctcaa gaaaaactac 540gcccaggtta
gctttctgca ggtgttccac cacgcaacga tcggcatggt gtggtcgttc 600cttcttcagc
gtggctgggg ctcgggcacc gccgcgtacg gtgctttcat caactcggtc 660acgcacgtga
tcatgtactc gcactacttt gccacctcgc tcaacatcaa caacccgttc 720aagcggtaca
tcacgagctt ccagctcgcc cagtttgcaa gctgcatcgt gcatgcccta 780ctggtgcttg
ccttcgagga ggtgtacccg ctcgagtacg cttacctgca gatcagctac 840cacatcatca
tgctctacct gttcggacgc cgcatgaact ggagccccga gtggtgcacc 900ggtgagatcg
acggccttga cgccccaagc gcccccacca agtccgagta a
951187317PRTThraustochytrium aureummisc_feature(317)..(317)Xaa can be any
naturally occurring amino acid 187Met Ala Thr Arg Thr Ser Lys Ser Ala Pro
Ala Val Ser Lys Ser Ala 1 5 10
15 Lys Val Ala Ala Pro Ala Lys Lys Arg Ser Val Asp Arg Ser Asp
Gly 20 25 30 Phe
Phe Arg Thr Phe Asn Leu Cys Ala Leu Tyr Gly Ser Ala Leu Ala 35
40 45 Tyr Ala Tyr Lys His Gly
Pro Val Asp Asn Asp Gly Gln Gly Leu Tyr 50 55
60 Phe His Lys Ser Pro Met Tyr Ala Phe Ala Val
Ser Asp Val Met Thr 65 70 75
80 Phe Gly Ala Pro Leu Met Tyr Val Leu Gly Val Met Leu Leu Ser Arg
85 90 95 Tyr Met
Ala Asp Lys Lys Pro Leu Thr Gly Phe Ile Lys Thr Tyr Ile 100
105 110 Gln Pro Val Tyr Asn Val Val
Gln Ile Ala Val Cys Gly Trp Met Val 115 120
125 Trp Gly Leu Trp Pro Gln Val Asp Leu Ala Asn Gly
Asn Pro Phe Gly 130 135 140
Leu Asn Lys Ser Arg Asp Ser Asn Ile Glu Phe Phe Val Phe Val His 145
150 155 160 Leu Leu Thr
Lys Phe Leu Asp Trp Ser Asp Thr Phe Met Met Ile Leu 165
170 175 Lys Lys Asn Tyr Ala Gln Val Ser
Phe Leu Gln Val Phe His His Ala 180 185
190 Thr Ile Gly Met Val Trp Ser Phe Leu Leu Gln Arg Gly
Trp Gly Ser 195 200 205
Gly Thr Ala Ala Tyr Gly Ala Phe Ile Asn Ser Val Thr His Val Ile 210
215 220 Met Tyr Ser His
Tyr Phe Ala Thr Ser Leu Asn Ile Asn Asn Pro Phe 225 230
235 240 Lys Arg Tyr Ile Thr Ser Phe Gln Leu
Ala Gln Phe Ala Ser Cys Ile 245 250
255 Val His Ala Leu Leu Val Leu Ala Phe Glu Glu Val Tyr Pro
Leu Glu 260 265 270
Tyr Ala Tyr Leu Gln Ile Ser Tyr His Ile Ile Met Leu Tyr Leu Phe
275 280 285 Gly Arg Arg Met
Asn Trp Ser Pro Glu Trp Cys Thr Gly Glu Ile Asp 290
295 300 Gly Leu Asp Ala Pro Ser Ala Pro
Thr Lys Ser Glu Xaa 305 310 315
1883193DNAArtificialgenomic DNA (Thraustochytrium aureum genomic DNA
contains C20 elongase coding region) 188ggatatcccc cgcgaggcga tggctgctcc
gacgacgtgg gctggcgacg tcgctcgcaa 60aggcgttccg caaccgcgcg ttccgctgta
acgagaccgt tttccctgcg ctgctgggtg 120gacctagcgc gtgtgtcacc tgccggcccc
cgttgcgtgc aaccgaattg atcgataata 180gaattacata acaaacaact tgctggatga
gtacaagacc agcgtagtgt ggctgtggga 240cgttgaacgg agcgggtcct gtgacggcgc
agaaaggaac tccgcccgag gtgaaacccc 300gatgcgcagg actctgcggc cacagcccct
ccgccagtat tccactaaaa atccgccccc 360tttgacaaag atcgcaaccc cgtcccatca
actcctcaca ataggctttc cactggcgga 420aacgtccccg gcacaggagt gcctcccgcg
gttctgcgca tacggctgac cactacgcag 480cgcgatatcc tccatccgcg tatatatccg
taaacaacgg aacattctcc ctctcaacga 540ggcgtggttt tcgaagccat gcctttcttc
cttcctactt gccttccttc tttctttctt 600tctttctttc ttttgcaagc gtgcgcgaac
ttgaaggtac tacttacact tgacagagag 660agatagagac ggcaattcga ccaagtactt
tccacgattt tttttttttt gttttggtcg 720ctttcgttgg tcgtgcatga tggatggccg
ggatttttac aattggatgc gccaggctgc 780cacgcatgcc gtgacgctcg ctcgcggcga
ctcatgatgc ttgccagtgg cagtgcatcc 840agctcttccc tctgctcgtc gtgtactcac
tggcgatgct ctcggcgctc gttcaggggc 900catcgaccga tcgatcgatc gatcgatcga
tcaatcacgt tcggtggact cggcagaccc 960cgaacgtgtt tctcccagga cgtgccgctg
tcgctcgctg atccacccga agcgcggtcg 1020gctggcacgg tcgctcggct ggaagttgag
tagtttgctt tctgttgctg cgctgctttg 1080taaacgcgac catggcgacg cgcacctcga
agagcgctcc ggcggtttcc aagtcggcca 1140aggttgccgc gccggcgaag aagcggtcgg
tcgacaggag cgacggtttc ttccgcacgt 1200tcaacctgtg cgccctgtac gggtctgccc
tcgcctatgc gtacaagcac ggcccggtgg 1260acaatgacgg ccaggggctg tactttcaca
agtcgcccat gtacgcgttc gccgtgtcgg 1320acgtcatgac cttcggcgcg ccgctgatgt
acgtgctcgg tgtgatgctg ctcagcaggt 1380acatggcgga caaaaagccc ctgactggct
tcatcaagac ctacatccag cccgtctaca 1440acgtggtcca aatcgcggtg tgcggctgga
tggtgtgggg cctctggccg caggtcgacc 1500tggccaacgg caaccctttc ggcctcaaca
agtcgcgcga ctcgaacatc gagtttttcg 1560tgttcgtgca cctcctgaca aagtttctcg
actggagcga cacgttcatg atgatcctca 1620agaaaaacta cgcccaggtt agctttctgc
aggtgttcca ccacgcaacg atcggcatgg 1680tgtggtcgtt ccttcttcag cgtggctggg
gctcgggcac cgccgcgtac ggtgctttca 1740tcaactcggt cacgcacgtg atcatgtact
cgcactactt tgccacctcg ctcaacatca 1800acaacccgtt caagcggtac atcacgagct
tccagctcgc ccagtttgca agctgcatcg 1860tgcatgccct actggtgctt gccttcgagg
aggtgtaccc gctcgagtac gcttacctgc 1920agatcagcta ccacatcatc atgctctacc
tgttcggacg ccgcatgaac tggagccccg 1980agtggtgcac cggtgagatc gacggccttg
acgccccaag cgcccccacc aagtccgagt 2040aaacctgttt ccggctggct cccgagccat
gcttaccatg aatgaacctg caaacagtct 2100gaggtccttg tgcaaaccgc tcagtgggac
gtcgacgaag aaagaaacaa tgtgtactcg 2160tcttgctctg ctcccgcgcc gttttttatc
gttgttgaga cctctcgcgc agttttggga 2220atcaaccaaa acaagagccc ggcgtcagcg
tttgcttcgc cctcggctgc actcgctcgg 2280cacgcaggta taactgggtg agtaccaagc
cccgcatttg tctgtccgcg atccgcgcac 2340gctgcgggtc aggacgacat cgcgctgcac
gtcacagtgg gtcccttttg acgtggctgc 2400ggcgatgagg aggcttggct cggcttcatg
gcaaggcaac agactcgctt ccaggacgcg 2460cacgacgagc agcgctgctt tgatcgacct
tgcctgcgtc accgcctcgg ctgctttgat 2520cgatcgttgt caccggccga gtgaccgcga
acgcattgcc cgcacggctc ggctcggctc 2580ggaccggacc ggctcgcctt ggcggcgcgg
cgcgatggcg acccagacgc gaccggagcc 2640gcgcgcggag gacaaggcca tgtacatctt
cgggctcggg tacgttggga gcaggctcgc 2700caaccagctg gcggaacagg ggtggcgcgt
cgcggggtcg gtgagggagc tcgggcgcga 2760ggacgacttt gccgagttcg aaaagtccaa
gctgagcggc aaggtgcagg tgttccaact 2820cccgcttgag ggcgaggaca acacgcccgc
tcgcgcgcgg gagatactta gcgggtacca 2880gcgcctgctg ttcacggcgc cagtggaccg
cgcccggaac tgtgacccct tcttgggcga 2940ccccgttctc ggccccgtga tcgtcgagct
agcagaggag ggccgcatcg actgggccgg 3000ctatctctca accacttcgg tctacggcaa
ccacgacggc gagtgggtgg acgagaccac 3060gccgctcatg cccacgctca aacgcggcga
gcagcgcgtc atggtggagc gcgccttcct 3120gtacgagtcg ggcctcccgg cccatatctt
tcggctgcca ggaatctacg gcccagggcg 3180cggcccgata tca
319318927DNAArtificialprimer
189gacaaagatc tcgactggag cgaccac
2719027DNAArtificialprimer 190gtcgagatct tttgtcagga ggtgcac
27191951DNAArtificialBglII inserted C20
elongase 191atggcgacgc gcacctcgaa gagcgctccg gcggtttcca agtcggccaa
ggttgccgcg 60ccggcgaaga agcggtcggt cgacaggagc gacggtttct tccgcacgtt
caacctgtgc 120gccctgtacg ggtctgccct cgcctatgcg tacaagcacg gcccggtgga
caatgacggc 180caggggctgt actttcacaa gtcgcccatg tacgcgttcg ccgtgtcgga
cgtcatgacc 240ttcggcgcgc cgctgatgta cgtgctcggt gtgatgctgc tcagcaggta
catggcggac 300aaaaagcccc tgactggctt catcaagacc tacatccagc ccgtctacaa
cgtggtccaa 360atcgcggtgt gcggctggat ggtgtggggc ctctggccgc aggtcgacct
ggccaacggc 420aaccctttcg gcctcaacaa gtcgcgcgac tcgaacatcg agtttttcgt
gttcgtgcac 480ctcctgacaa agatctcgac tggagcgaca cgttcatgat gatcctcaag
aaaaactacg 540cccaggttag ctttctgcag gtgttccacc acgcaacgat cggcatggtg
tggtcgttcc 600ttcttcagcg tggctggggc tcgggcaccg ccgcgtacgg tgctttcatc
aactcggtca 660cgcacgtgat catgtactcg cactactttg ccacctcgct caacatcaac
aacccgttca 720agcggtacat cacgagcttc cagctcgccc agtttgcaag ctgcatcgtg
catgccctac 780tggtgcttgc cttcgaggag gtgtacccgc tcgagtacgc ttacctgcag
atcagctacc 840acatcatcat gctctacctg ttcggacgcc gcatgaactg gagccccgag
tggtgcaccg 900gtgagatcga cggccttgac gccccaagcg cccccaccaa gtccgagtaa a
95119223DNAArtificialprimer 192atggcgacgc gcacctcgaa gag
2319323DNAArtificialprimer
193ttactcggac ttgctggggg cgc
231942655DNAArtificialfusion DNA(Thraustochytrium aureum C20
elongase 5' region/SV40 terminator/Neor/ubiquitin promoter/
Thraustochytrium aureum C20 elongase 3' region) 194atggcgacgc gcacctcgaa
gagcgctccg gcggtttcca agtcggccaa ggttgccgcg 60ccggcgaaga agcggtcggt
cgacaggagc gacggtttct tccgcacgtt caacctgtgc 120gccctgtacg ggtctgccct
cgcctatgcg tacaagcacg gcccggtgga caatgacggc 180caggggctgt actttcacaa
gtcgcccatg tacgcgttcg ccgtgtcgga cgtcatgacc 240ttcggcgcgc cgctgatgta
cgtgctcggt gtgatgctgc tcagcaggta catggcggac 300aaaaagcccc tgactggctt
catcaagacc tacatccagc ccgtctacaa cgtggtccaa 360atcgcggtgt gcggctggat
ggtgtggggc ctctggccgc aggtcgacct ggccaacggc 420aaccctttcg gcctcaacaa
gtcgcgcgac tcgaacatcg agtttttcgt gttcgtgcac 480ctcctgacaa agatctagct
agaggtcgac ggtatacaga catgataaga tacattgatg 540agtttggaca aaccacaact
agaatgcagt gaaaaaaatg ctttatttgt gaaatttgtg 600atgctattgc tttatttgta
accattataa gctgcaataa acaagttggg gtgggcgaag 660aactccagca tgagatcccc
gcgctggagg atcatccagc cggcgtcccg gaaaacgatt 720ccgaagccca acctttcata
gaaggcggcg gtggaatcga aatctcgtga tggcaggttg 780ggcgtcgctt ggtcggtcat
ttcgcggatc tcaaaagaac tcgtccagga ggcggtagaa 840cgcaatcctc tggctgtccg
gggcggcgat gccgtagagc acgagaaagc ggtcggccca 900ctcgccgcca agctcctcgg
cgatgtcccg cgtggcgagc gcgatgtctt ggtagcggtc 960cgccacgccc aggcgcccgc
agtcgataaa gcccgagaag cggccgttct cgaccatgat 1020gttggggagg caggcgtcgc
cgtgcgtgac cacgaggtcc tcgccgtccg gcatcctagc 1080cttaagcctg gcgaacagtt
ccgccggcgc gaggccctgg tgctcctcgt cgaggtcgtc 1140ttggtcgacg aggccagcct
ccatccgcgt gcgggcgcgt tcgatcctgt gcttcgcctg 1200gtggtcgaag gggcaggtgg
cggggtcgag ggtgtgcagg cggcgcatgg cgtcggccat 1260gatggacacc ttctcagcgg
gcgcgaggtg gctgctgagg aggtcctggc cgggcacttc 1320cccgaggagc agccagtcgc
ggccggcttc ggtgacgacg tcgagcacag cggcgcacgg 1380aacccccgtc gtggcaagcc
agctgaggcg ggcagcttcg tcctggagct cgttgagggc 1440gccgctaagg tcggtcttga
caaacaggac cggccggccc tgcgcgctaa ggcggaacac 1500ggccgcgtcc gagcagccga
tcgtctgctg agcccagtcg tagccgaaca gccgttccac 1560ccaagcagcg ggcgagccag
cgtgaaggcc gtcctgttca atcatgttgg ctagtgttgc 1620ttaggtcgct tgctgctgct
ggtgttgctt gttctgcttg tcgtttgggg tctgcccgaa 1680gtggacgcgt gacacagccc
agcgttcgcg acttttccag caaccagctc gctccgcgtc 1740agggtcactc tctgctcact
cccctgtcta gttcggcaga actggagagg caacccgcgc 1800ttccagaggg ttctcctccg
gaatcagttc agaattcaga attcagaaga gggaatcgca 1860gaaccggccg cttcgggagt
tggttcgctg caccatagca ggtgggcgat gaggccaacc 1920gccctgctgg ctggattctc
tcgggttggc acatcgaacg accgggaccc gcgcgcgagt 1980tgtccctgcc agttgctacc
agcctgccag cgtcggagag ttatgcgctg cctgccggcc 2040ggagagagag cgggcgtgga
aagtggcgtg tggggcgaac gcatggccct cccgcgtggc 2100ccgatttcct atgcatccgc
tccgctctct ctctcggagg caagaagagc acaccaacaa 2160cgcccggcgg gtgcaccagg
cgctgcggca gatccagatc tcgactggag cgacacgttc 2220atgatgatcc tcaagaaaaa
ctacgcccag gttagctttc tgcaggtgtt ccaccacgca 2280acgatcggca tggtgtggtc
gttccttctt cagcgtggct ggggctcggg caccgccgcg 2340tacggtgctt tcatcaactc
ggtcacgcac gtgatcatgt actcgcacta ctttgccacc 2400tcgctcaaca tcaacaaccc
gttcaagtgg tacatcacga gcttccagct cgcccagttt 2460gcaagctgca tcgtgcatgc
cctactggtg cttgccttcg aggaggtgta cccgctcgag 2520tacgcttacc tgcagatcag
ctaccacatc atcatgctct acctgttcgg acgccgcatg 2580aactggagcc ccgagtggtg
caccggtgag atcgacggcc ttgacgcccc aagcgccccc 2640accaagtccg agtaa
26551952886DNAArtificialfusion DNA(Thraustochytrium aureum C20
elongase 5' region/ubiquitin promoter/Hygr/SV40 terminator/
Thraustochytrium aureum C20 elongase 3' region) 195atggcgacgc gcacctcgaa
gagcgctccg gcggtttcca agtcggccaa ggttgccgcg 60ccggcgaaga agcggtcggt
cgacaggagc gacggtttct tccgcacgtt caacctgtgc 120gccctgtacg ggtctgccct
cgcctatgcg tacaagcacg gcccggtgga caatgacggc 180caggggctgt actttcacaa
gtcgcccatg tacgcgttcg ccgtgtcgga cgtcatgacc 240ttcggcgcgc cgctgatgta
cgtgctcggt gtgatgctgc tcagcaggta catggcggac 300aaaaagcccc tgactggctt
catcaagacc tacatccagc ccgtctacaa cgtggtccaa 360atcgcggtgt gcggctggat
ggtgtggggc ctctggccgc aggtcgacct ggccaacggc 420aaccctttcg gcctcaacaa
gtcgcgcgac tcgaacatcg agtttttcgt gttcgtgcac 480ctcctgacaa agatctggat
ctgccgcagc gcctggtgca cccgccgggc gttgttgtgt 540gctcttcttg cctccgagag
agagagcgga gcggatgcat aggaaatcgg gccacgcggg 600agggccatgc gttcgcccca
cacgccactt tccacgcccg ctctctctcc ggccggcagg 660cagcgcataa ctctccgacg
ctggcaggct ggtagcaact ggcagggaca actcgcgcgc 720gggtcccggt cgttcgatgt
gccaacccga gagaatccag ccagcagggc ggttggcctc 780atcgcccacc tgctatggtg
cagcgaacca actcccgaag cggccggttc tgcgattccc 840tcttctgaat tctgaattct
gaactgattc cggaggagaa ccctctggaa gcgcgggttg 900cctctccagt tctgccgaac
tagacagggg agtgagcaga gagtgaccct gacgcggagc 960gagctggttg ctggaaaagt
cgcgaacgct gggctgtgtc acgcgtccac ttcgggcaga 1020ccccaaacga caagcagaac
aagcaacacc agcagcagca agcgacctaa gcaacactag 1080ccaacatgaa aaagcctgaa
ctcaccgcga cgtctgtcga gaagtttctg atcgaaaagt 1140tcgacagcgt ctccgacctg
atgcagctct cggagggcga agaatctcgt gctttcagct 1200tcgatgtagg agggcgtgga
tatgtcctgc gggtaaatag ctgcgccgat ggtttctaca 1260aagatcgtta tgtttatcgg
cactttgcat cggccgcgct cccgattccg gaagtgcttg 1320acattgggga attcagcgag
agcctgacct attgcatctc ccgccgtgca cagggtgtca 1380cgttgcaaga cctgcctgaa
accgaactgc ccgctgttct gcagccggtc gcggaggcca 1440tggatgcgat cgctgcggcc
gatcttagcc agacgagcgg gttcggccca ttcggaccgc 1500aaggaatcgg tcaatacact
acatggcgtg atttcatatg cgcgattgct gatccccatg 1560tgtatcactg gcaaactgtg
atggacgaca ccgtcagtgc gtccgtcgcg caggctctcg 1620atgagctgat gctttgggcc
gaggactgcc ccgaagtccg gcacctcgtg cacgcggatt 1680tcggctccaa caatgtcctg
acggacaatg gccgcataac agcggtcatt gactggagcg 1740aggcgatgtt cggggattcc
caatacgagg tcgccaacat cttcttctgg aggccgtggt 1800tggcttgtat ggagcagcag
acgcgctact tcgagcggag gcatccggag cttgcaggat 1860cgccgcggct ccgggcgtat
atgctccgca ttggtcttga ccaactctat cagagcttgg 1920ttgacggcaa tttcgatgat
gcagcttggg cgcagggtcg atgcgacgca atcgtccgat 1980ccggagccgg gactgtcggg
cgtacacaaa tcgcccgcag aagcgcggcc gtctggaccg 2040atggctgtgt agaagtactc
gccgatagtg gaaaccgacg ccccagcact cgtccgaggg 2100caaaggaata gagatccgcg
aaatgaccga ccaagcgacg cccaacctgc catcacgaga 2160tttcgattcc accgccgcct
tctatgaaag gttgggcttc ggaatcgttt tccgggacgc 2220cggctggatg atcctccagc
gcggggatct catgctggag ttcttcgccc accccaactt 2280gtttattgca gcttataatg
gttacaaata aagcaatagc atcacaaatt tcacaaataa 2340agcatttttt tcactgcatt
ctagttgtgg tttgtccaaa ctcatcaatg tatcttatca 2400tgtctgtata ccgtcgacct
cyagctagat ctcgactgga gcgacacgtt catgatgatc 2460ctcaagaaaa actacgccca
ggttagcttt ctgcaggtgt tccaccacgc aacgatcggc 2520atggtgtggt cgttccttct
tcagcgtggc tggggctcgg gcaccgccgc gtacggtgct 2580ttcatcaact cggtcacgca
cgtgatcatg tactcgcact actttgccac ctcgctcaac 2640atcaacaacc cgttcaagtg
gtacatcacg agcttccagc tcgcccagtt tgcaagctgc 2700atcgtgcatg ccctactggt
gcttgccttc gaggaggtgt acccgctcga gtacgcttac 2760ctgcagatca gctaccacat
catcatgctc tacctgttcg gacgccgcat gaactggagc 2820cccgagtggt gcaccggtga
gatcgacggc cttgacgccc caagcgcccc caccaagtcc 2880gagtaa
288619626DNAArtificialprimer
196gctcggctgg aagttgagta gtttgc
2619724DNAArtificialprimer 197tctttcttcg tcgacgtccc actg
2419824DNAArtificialprimer 198atgattgaac
aggacggcct tcac
2419924DNAArtificialprimer 199tcaaaagaac tcgtccagga ggcg
2420024DNAArtificialprimer 200atgaaaaagc
ctgaactcac cgcg
2420125DNAArtificialprimer 201ctattccttt gccctcggac gagtg
2520223DNAArtificialprimer 202ggcggagcga
agtgtgaaag tta
2320324DNAArtificialprimer 203gcgacagcat cttgaaatag gcag
242042571DNAThraustochytrium aureumGenomic
delta 4 desaturase upstream/T. aureum delta 4 desaturase
204ggcggagcga agtgtgaaag ttacaaccca gttactgccc attcccggga aaagttgcgc
60agctcacgcg gttcgctttt ctggtggcct ggcgacgttc gccgcttgcc ggatactccc
120tcgtgccccc gcgccaggtt tgcccgctgt cgctcgagga gtggactcgc gagtcgcgac
180agcagcagca ccaaggggga tggatcctcg ttgacagcac caagatgctc tctgcctttc
240aggtgaaatc gatcgatcaa ttgatcaatc aagatcattg gaagcaaatg ggaagcaaat
300gcgaaggggg aagaccctcg gtctctgctc gggaacccga cacgaggctg agggcgcgct
360tctacaggtt gtgcagcggc cgcactgcga gcttgcgccg ggccaaggcg ctcgccagaa
420ttgctgcgtc tgccgcctcg ggatcagcca ctcggttttt cgtcatcagg gtccaccttc
480aacctggaag tggactcggc aagtcggcag atccactccg gaattccaag atccccggtc
540gatcggtgct ggtgcgaatt aggatggacc caggctatgt gagagtcgga gggtggcggt
600tgtctccacc gtgacagcgc gcgtgtggtg agtaacgcga agcgcgtggt ggagaaatgg
660ggggagattc gtaggacgcg atgcgctcgt cactgagggt gcgccggtga cgaagcttcg
720gacccagatt ccgtcggtat ggctcgtgtt cgcacacctt caggaacccg catgacgaga
780ccactggagt tttcaacgtc acgaagccgc tctgtgtgac gagaattggc ttgcgagtga
840cgtgaggcgc cgagcatgtc gttggtttgc ctcttcacaa cagaatcaga cgactgggag
900gctgcacgag gctaaggcca agggcactca ctgactcgga cgtgaagcag aagcagaagc
960agagcgctcg acggcacgtg gcggcagacc ggcttcggga cgggcaggag acgcaaggcg
1020cgcaacacta gggggctgga cgtggaccac tggctaagga gcgctggaaa gatgacggtc
1080gggtttgacg aaacggtgac tatggacacg gtccgcaacc acaacatgcc ggacgacgcc
1140tggtgcgcga tccacggcac cgtgtacgac atcaccaagt tcagcaaggt gcaccccggc
1200ggggacatca tcatgctggc cgctggcaag gaggccacca tcctgttcga gacctaccac
1260atcaagggcg tcccggacgc ggtgctgcgc aagtacaagg tcggcaagct cccccagggc
1320aagaagggcg aaacgagcca cgtgcccacc gggctcgact cggcctccta ctactcgtgg
1380gacagcgagt tttacagggt gctccgcgag cgcgtcgcca agaagctggc cgagcccggc
1440ctcatgcagc gcgcgcgcat ggagctctgg gccaaggcga tcttcctcct ggcaggtttc
1500tggggctccc tttacgccat gtgcgtgcta gacccgcacg gcggtgccat ggtagccgcc
1560gttacgctcg gcgtgttcgc tgcctttgtc ggaacttgca tccagcacga cggcagccac
1620ggcgccttct ccaagtcgcg attcatgaac aaggcggcgg gctggaccct cgacatgatc
1680ggcgcgagcg cgatgacctg ggagatgcag cacgttcttg gccaccaccc gtacaccaac
1740ctcatcgaga tggagaacgg tttggccaag gtcaagggcg ccgacgtcga cccgaagaag
1800gtcgaccagg agagcgaccc ggacgtcttc agtacgtacc cgatgcttcg cctgcacccg
1860tggcaccgcc agcggtttta ccacaagttc cagcacctgt acgccccgtt tatctttggg
1920tttatgacga ttaacaaggt gatttcccag gatgtcgggg ttgtgctgcg caagcgcctg
1980ttccagatcg acgccaactg ccggtatggc agcccctggt acgtggcccg cttctggatc
2040atgaagctcc tcaccacgct ctacatggtg gcgcttccca tgtacatgca ggggcctgct
2100cagggcttga agcttttctt catggcccac ttcacctgcg gagaggtcct cgccaccatg
2160tttattgtca accacatcat cgagggcgtc agctacgctt ccaaggacgc ggtcaagggc
2220gtcatggctc cgccgcgcac tgtgcacggt gtcaccccga tgcaggtgac gcaaaaggcg
2280ctcagtgcgg ccgagtcgac caagtcggac gccgacaaga cgaccatgat ccccctcaac
2340gactgggccg ctgtgcagtg ccagacctct gtgaactggg ctgtcgggtc gtggttttgg
2400aaccactttt cgggcggcct caaccaccag attgagcacc actgcttccc caaaaccccc
2460acacggtcaa cgtctacatc tcgggcatcg tcaaggagac ctgcgaagaa tacggcgtgc
2520cgtaccaggc tgagatcagc ctcttctctg cctatttcaa gatgctgtcg c
2571205616DNAThraustochytrium aureumgenomic delta 4 desaturase
upstream/T. aureum delta 4 desaturase 205cgcaaggcgc gcaacactag
ggggctggac gtggaccact ggctaaggag cgctggaaag 60atgacggtcg ggtttgacga
aacggtgact atggacacgg tccgcaacca caacatgccg 120gacgacgcct ggtgcgcgat
ccacggcacc gtgtacgaca tcaccaagtt cagcaaggtg 180caccccggcg gggacatcat
catgctggcc gctggcaagg aggccaccat cctgttcgag 240acctaccaca tcaagggcgt
cccggacgcg gtgctgcgca agtacaaggt cggcaagctc 300ccccagggca agaagggcga
aacgagccac gtgcccaccg ggctcgactc ggcctcctac 360tactcgtggg acagcgagtt
ttacagggtg ctccgcgagc gcgtcgccaa gaagctggcc 420gagcccggcc tcatgcagcg
cgcgcgcatg gagctctggg ccaaggcgat cttcctcctg 480gcaggtttct ggggctccct
ttacgccatg tgcgtgctag acccgcacgg cggtgccatg 540gtagccgccg ttacgctcgg
cgtgttcgct gcctttgtcg gaacttgcat ccagcacgac 600ggcagccacg gcgcct
61620625DNAArtificialprimer
206caggagatct ccaagtcgcg attca
2520726DNAArtificialprimer 207cttggagatc tcctgcccgt cccgaa
262083264DNAArtificialfusion DNA (T. aureum
delta 4 desaturase upstream/SV40 terminator /BlaR/ubiquitin
promoter/T. aureum delta 4 desaturase) 208ggcggagcga agtgtgaaag
ttacaaccca gttactgccc attcccggga aaagttgcgc 60agctcacgcg gttcgctttt
ctggtggcct ggcgacgttc gccgcttgcc ggatactccc 120tcgtgccccc gcgccaggtt
tgcccgctgt cgctcgagga gtggactcgc gagtcgcgac 180agcagcagca ccaaggggga
tggatcctcg ttgacagcac caagatgctc tctgcctttc 240aggtgaaatc gatcgatcaa
ttgatcaatc aagatcattg gaagcaaatg ggaagcaaat 300gcgaaggggg aagaccctcg
gtctctgctc gggaacccga cacgaggctg agggcgcgct 360tctacaggtt gtgcagcggc
cgcactgcga gcttgcgccg ggccaaggcg ctcgccagaa 420ttgctgcgtc tgccgcctcg
ggatcagcca ctcggttttt cgtcatcagg gtccaccttc 480aacctggaag tggactcggc
aagtcggcag atccactccg gaattccaag atccccggtc 540gatcggtgct ggtgcgaatt
aggatggacc caggctatgt gagagtcgga gggtggcggt 600tgtctccacc gtgacagcgc
gcgtgtggtg agtaacgcga agcgcgtggt ggagaaatgg 660ggggagattc gtaggacgcg
atgcgctcgt cactgagggt gcgccggtga cgaagcttcg 720gacccagatt ccgtcggtat
ggctcgtgtt cgcacacctt caggaacccg catgacgaga 780ccactggagt tttcaacgtc
acgaagccgc tctgtgtgac gagaattggc ttgcgagtga 840cgtgaggcgc cgagcatgtc
gttggtttgc ctcttcacaa cagaatcaga cgactgggag 900gctgcacgag gctaaggcca
agggcactca ctgactcgga cgtgaagcag aagcagaagc 960agagcgctcg acggcacgtg
gcggcagacc ggcttcggga cgggcaggag atctagctag 1020aggtcgacgg tatacagaca
tgataagata cattgatgag tttggacaaa ccacaactag 1080aatgcagtga aaaaaatgct
ttatttgtga aatttgtgat gctattgctt tatttgtaac 1140cattataagc tgcaataaac
aagttggggt gggcgaagaa ctccagcatg agatccccgc 1200gctggaggat catccagccg
gcgtcccgga aaacgattcc gaagcccaac ctttcataga 1260aggcggcggt ggaatcgaaa
tctcgtgatg gcaggttggg cgtcgcttgg tcggtcattt 1320cgcggatctt agccctccca
cacataacca gagggcagca attcacgaat cccaactgcc 1380gtcggctgtc catcactgtc
cttcactatg gctttgatcc caggatgcag atcgagaagc 1440acctgtcggc accgtccgca
ggggctcaag atgcccctgt tctcatttcc gatcgcgacg 1500atacaagtca ggttgccagc
tgccgcagca gcagcagtgc ccagcaccac gagttctgca 1560caaggtcccc cagtaaaatg
atatacattg acaccagtga agatgcggcc gtcgctagag 1620agagctgcgc tggcgacgct
gtagtcttca gagatgggga tgctgttgat tgtagccgtt 1680gctctttcaa tgagggtgga
ttcttcttga gacaaaggct tggccatgtt ggctagtgtt 1740gcttaggtcg cttgctgctg
ctggtgttgc ttgttctgct tgtcgtttgg ggactgcccg 1800aagtggacgc gtgacacagc
ccagcgttcg cgacttttcc agcaaccagc tcgctccgcg 1860tcagggtcac tctctgctca
ctcccctgtc tagttcggca gaactggaga ggcaacccgc 1920gcttccagag ggttctcctc
cggaatcagt tcagaattca gaattcagaa gagggaatcg 1980cagaaccggc cgcttcggga
gttggttcgc tgcaccatag caggtgggcg atgaggccaa 2040ccgccctgct ggctggattc
tctcgggttg gcacatcgaa cgaccgggac ccgcgcgcga 2100gttgtccctg ccagttgcta
ccagcctgcc agcgtcggag agttatgcgc tgcctgccgg 2160ccggagagag agcgggcgtg
gaaagtggcg tgtggggcga acgcatggcc ctcccgcgtg 2220gcccgatttc ctatgcatcc
gctccgctct ctctctcgga ggcaagaaga gcacaccaac 2280aacgcccggc gggtgcacca
ggcgctgcgg cagatccaga tctccaagtc gcgattcatg 2340aacaaggcgg cgggctggac
cctcgacatg atcggcgcga gcgcgatgac ctgggagatg 2400cagcacgttc ttggccacca
cccgtacacc aacctcatcg agatggagaa cggtttggcc 2460aaggtcaagg gcgccgacgt
cgacccgaag aaggtcgacc aggagagcga cccggacgtc 2520ttcagtacgt acccgatgct
tcgcctgcac ccgtggcacc gccagcggtt ttaccacaag 2580ttccagcacc tgtacgcccc
gtttatcttt gggtttatga cgattaacaa ggtgatttcc 2640caggatgtcg gggttgtgct
gcgcaagcgc ctgttccaga tcgacgccaa ctgccggtat 2700ggcagcccct ggtacgtggc
ccgcttctgg atcatgaagc tcctcaccac gctctacatg 2760gtggcgcttc ccatgtacat
gcaggggcct gctcagggct tgaagctttt cttcatggcc 2820cacttcacct gcggagaggt
cctcgccacc atgtttattg tcaaccacat catcgagggc 2880gtcagctacg cttccaagga
cgcggtcaag ggcgtcatgg ctccgccgcg cactgtgcac 2940ggtgtcaccc cgatgcaggt
gacgcaaaag gcgctcagtg cggccgagtc gaccaagtcg 3000gacgccgaca agacgaccat
gatccccctc aacgactggg ccgctgtgca gtgccagacc 3060tctgtgaact gggctgtcgg
gtcgtggttt tggaaccact tttcgggcgg cctcaaccac 3120cagattgagc accactgctt
ccccaaaacc cccacacggt caacgtctac atctcgggca 3180tcgtcaagga gacctgcgaa
gaatacggcg tgccgtacca ggctgagatc agcctcttct 3240ctgcctattt caagatgctg
tcgc
32642093935DNAArtificialfusion DNA (T. aureum delta 4 desaturase
upstream/SV40 terminator/ZeoR/Enhanced GFP/ubiquitin promoter/ T.
aureum delta 4 desaturase) 209ggcggagcga agtgtgaaag ttacaaccca gttactgccc
attcccggga aaagttgcgc 60agctcacgcg gttcgctttt ctggtggcct ggcgacgttc
gccgcttgcc ggatactccc 120tcgtgccccc gcgccaggtt tgcccgctgt cgctcgagga
gtggactcgc gagtcgcgac 180agcagcagca ccaaggggga tggatcctcg ttgacagcac
caagatgctc tctgcctttc 240aggtgaaatc gatcgatcaa ttgatcaatc aagatcattg
gaagcaaatg ggaagcaaat 300gcgaaggggg aagaccctcg gtctctgctc gggaacccga
cacgaggctg agggcgcgct 360tctacaggtt gtgcagcggc cgcactgcga gcttgcgccg
ggccaaggcg ctcgccagaa 420ttgctgcgtc tgccgcctcg ggatcagcca ctcggttttt
cgtcatcagg gtccaccttc 480aacctggaag tggactcggc aagtcggcag atccactccg
gaattccaag atccccggtc 540gatcggtgct ggtgcgaatt aggatggacc caggctatgt
gagagtcgga gggtggcggt 600tgtctccacc gtgacagcgc gcgtgtggtg agtaacgcga
agcgcgtggt ggagaaatgg 660ggggagattc gtaggacgcg atgcgctcgt cactgagggt
gcgccggtga cgaagcttcg 720gacccagatt ccgtcggtat ggctcgtgtt cgcacacctt
caggaacccg catgacgaga 780ccactggagt tttcaacgtc acgaagccgc tctgtgtgac
gagaattggc ttgcgagtga 840cgtgaggcgc cgagcatgtc gttggtttgc ctcttcacaa
cagaatcaga cgactgggag 900gctgcacgag gctaaggcca agggcactca ctgactcgga
cgtgaagcag aagcagaagc 960agagcgctcg acggcacgtg gcggcagacc ggcttcggga
cgggcaggag atctagctag 1020aggtcgacgg tatacagaca tgataagata cattgatgag
tttggacaaa ccacaactag 1080aatgcagtga aaaaaatgct ttatttgtga aatttgtgat
gctattgctt tatttgtaac 1140cattataagc tgcaataaac aagttggggt gggcgaagaa
ctccagcatg agatccccgc 1200gctggaggat catccagccg gcgtcccgga aaacgattcc
gaagcccaac ctttcataga 1260aggcggcggt ggaatcgaaa tctcgtgatg gcaggttggg
cgtcgcttgg tcggtcattt 1320cgcggatctc agtcctgctc ctcggccacg aagtgcacgc
agttgccggc cgggtcgcgc 1380agggcgaact cccgccccca cggctgctcg ccgatctcgg
tcatggccgg cccggaggcg 1440tcccggaagt tcgtggacac gacctccgac cactcggcgt
acagctcgtc caggccgcgc 1500acccacaccc aggccagggt gttgtccggc accacctggt
cctggaccgc gctgatgaac 1560agggtcacgt cgtcccggac cacaccggcg aagtcgtcct
ccacgaagtc ccgggagaac 1620ccgagccggt cggtccagaa ctcgaccgct ccggcgacgt
cgcgcgcggt gagcaccgga 1680acggcactgg tcaacttggc gtccatgccg agagtgatcc
cggcggcggt cacgaactcc 1740agcaggacca tgtgatcgcg cttctcgttg gggtctttgc
tcagggcgga ctgggtgctc 1800aggtagtggt tgtcgggcag cagcacgggg ccgtcgccga
tgggggtgtt ctgctggtag 1860tggtcggcga gctgcacgct gccgtcctcg atgttgtggc
ggatcttgaa gttcaccttg 1920atgccgttct tctgcttgtc ggccatgata tagacgttgt
ggctgttgta gttgtactcc 1980agcttgtgcc ccaggatgtt gccgtcctcc ttgaagtcga
tgcccttcag ctcgatgcgg 2040ttcaccaggg tgtcgccctc gaacttcacc tcggcgcggg
tcttgtagtt gccgtcgtcc 2100ttgaagaaga tggtgcgctc ctggacgtag ccttcgggca
tggcggactt gaagaagtcg 2160tgctgcttca tgtggtcggg gtagcggctg aagcactgca
cgccgtaggt cagggtggtc 2220acgagggtgg gccagggcac gggcagcttg ccggtggtgc
agatgaactt cagggtcagc 2280ttgccgtagg tggcatcgcc ctcgccctcg ccggacacgc
tgaacttgtg gccgtttacg 2340tcgccgtcca gctcgaccag gatgggcacc accccggtga
acagctcctc gcccttgctc 2400accatgttgg ctagtgttgc ttagatcgct tgctgctgct
ggtgttgctt gttctgcttg 2460tcgtttgggg tctgcccgaa gtggacgcgt gacacagccc
agcgttcgcg acttttccag 2520caaccagctc gctccgcgtc agggtcactc tctgctcact
cccctgtcta gttcggcaga 2580actggagagg caacccgcgc ttccagaggg ttctcctccg
gaatcagttc agaattcaga 2640attcagaaga gggaatcgca gaaccggcag cttcgggagt
tggttcgctg caccatagca 2700ggtgggcgat gaggccaacc gccctgctgg ctggattctc
tcgggttggc acatcgaacg 2760accgggaccc gcgcgcgagt tgtccctgcc agttgctacc
agcctgccag cgtcggagag 2820ttatgcgctg cctgccggcc ggagagagag cgggcgtgga
aagtggcgtg tggggcaaac 2880gcatggccct cccgcgtggc ccgatttcct atgcatccgc
tccgctctct ctctcggagg 2940caagaagagc acacaacaac gcccggcggg tgcaccaggc
gctgcggcag atctccaagt 3000cgcgattcat gaacaaggcg gcgggctgga ccctcgacat
gatcggcgcg agcgcgatga 3060cctgggagat gcagcacgtt cttggccacc acccgtacac
caacctcatc gagatggaga 3120acggtttggc caaggtcaag ggcgccgacg tcgacccgaa
gaaggtcgac caggagagcg 3180acccggacgt cttcagtacg tacccgatgc ttcgcctgca
cccgtggcac cgccagcggt 3240tttaccacaa gttccagcac ctgtacgccc cgtttatctt
tgggtttatg acgattaaca 3300aggtgatttc ccaggatgtc ggggttgtgc tgcgcaagcg
cctgttccag atcgacgcca 3360actgccggta tggcagcccc tggtacgtgg cccgcttctg
gatcatgaag ctcctcacca 3420cgctctacat ggtggcgctt cccatgtaca tgcaggggcc
tgctcagggc ttgaagcttt 3480tcttcatggc ccacttcacc tgcggagagg tcctcgccac
catgtttatt gtcaaccaca 3540tcatcgaggg cgtcagctac gcttccaagg acgcggtcaa
gggcgtcatg gctccgccgc 3600gcactgtgca cggtgtcacc ccgatgcagg tgacgcaaaa
ggcgctcagt gcggccgagt 3660cgaccaagtc ggacgccgac aagacgacca tgatccccct
caacgactgg gccgctgtgc 3720agtgccagac ctctgtgaac tgggctgtcg ggtcgtggtt
ttggaaccac ttttcgggcg 3780gcctcaacca ccagattgag caccactgct tccccaaaac
ccccacacgg tcaacgtcta 3840catctcgggc atcgtcaagg agacctgcga agaatacggc
gtgccgtacc aggctgagat 3900cagcctcttc tctgcctatt tcaagatgct gtcgc
393521023DNAArtificialprimer 210aaaagaacaa
gccctctcct gga
2321123DNAArtificialprimer 211gaggtttgta tgttcggcgg ttt
2321226DNAArtificialprimer 212tgggggacct
tgtgcagaac tcgtgg
2621322DNAArtificialprimer 213gacctacggc gtgcagtgct tc
2221422DNAArtificialprimer 214atgtgcaagg
tcgatgggac aa
2221522DNAArtificialprimer 215tcacaaacat cgcagccttc gg
22216395PRTThraustochytrium aureum ATCC
34304misc_feature(395)..(395)Xaa can be any naturally occurring amino
acid 216Met Cys Lys Val Asp Gly Thr Asn Arg Ala Ser Ser Ala Gln Ala Gln 1
5 10 15 Ala Glu Gln
Glu Lys Leu Pro Thr Ile Gly Glu Leu Arg Lys Ala Val 20
25 30 Pro Ala His Cys Phe Glu Lys Ser
Thr Leu Lys Ser Leu Phe Phe Val 35 40
45 Ala Arg Asp Leu Ala Phe Cys Ser Ala Ile Gly Tyr Ala
Ala Trp Glu 50 55 60
Tyr Ile Pro Val Glu Trp Ser Ile Lys Ala Ile Ala Leu Trp Thr Leu 65
70 75 80 Tyr Ala Ile Val
Gln Gly Thr Val Ala Thr Gly Val Trp Val Leu Gly 85
90 95 His Glu Gly Gly His Gly Gly Ile Ser
Ser Tyr Ser Ile Val Asn Asp 100 105
110 Thr Val Gly Tyr Val Leu His Ser Ile Leu Leu Val Pro Tyr
Phe Ser 115 120 125
Trp Gln Asp Ser His Arg Arg His His Ala Arg Cys Asn His Leu Leu 130
135 140 Asp Gly Glu Ser His
Asn Pro Asp Leu Lys Arg Lys Val Tyr Lys Met 145 150
155 160 Tyr Glu Lys Ile Leu Asp Thr Val Gly Glu
Asp Ala Phe Val Ile Met 165 170
175 Gln Ile Val Leu His Leu Val Leu Gly Trp Pro Met Tyr Leu Leu
Met 180 185 190 His
Ala Thr Gly Ser Arg Arg Ser Pro Val Thr Gly Gln Lys Tyr Thr 195
200 205 Lys Lys Pro Asn His Phe
Asn Trp Gly Ala Ser Asn Glu Gln Tyr Pro 210 215
220 Ala Lys Leu Arg Phe Lys Ile Phe Leu Ser Ser
Leu Gly Val Ile Ala 225 230 235
240 Thr Leu Ala Gly Ile Ala Val Leu Ala Asn Lys Leu Gly Ala Ala Lys
245 250 255 Val Ser
Leu Met Tyr Phe Gly Pro Tyr Leu Val Val Asn Ala Trp Leu 260
265 270 Val Gly Tyr Thr Trp Leu Gln
His Thr Asp Gln Asp Ala Pro His Tyr 275 280
285 Gly Glu Asp Glu Trp Thr Trp Ile Lys Gly Ala Met
Thr Thr Ile Asp 290 295 300
Arg Pro Tyr Pro Trp Ile Val Asp Glu Leu His His His Ile Gly Thr 305
310 315 320 Thr His Val
Cys His His Leu Phe Ser Asp Met Pro His Tyr Lys Ala 325
330 335 Gln Glu Ala Thr Glu Ala Leu Lys
Pro Val Leu Gly Lys His Tyr Arg 340 345
350 Phe Asp Pro Thr Pro Leu Ala Gln Ala Met Trp Asn Thr
Ala Arg Asp 355 360 365
Cys His Tyr Val Glu Gly Leu Asp Gly Val Gln Tyr Pro Gln Ser Ile 370
375 380 Ile Ala Glu Lys
Arg Ala Ala Lys Lys Leu Xaa 385 390 395
2171185DNAArtificialgenomic DNA (T. aureum ATCC34304 delta 4
desaturase DNA) 217atgtgcaagg tcgatgggac aaaccgggcg agctcggctc aagcccaggc
agagcaggaa 60aagctgccca ccatcggcga gctgcgcaag gctgtgcccg cgcactgttt
cgaaaagtcg 120acgttgaaga gcctgttctt cgtggctcgt gacctggcgt tttgcagcgc
catcgggtac 180gcggcctggg agtacatccc cgtcgagtgg tcaatcaagg ccatcgccct
gtggaccctg 240tacgccatag tgcagggcac cgtggcgacc ggggtctggg ttctgggcca
cgaaggcgga 300cacggaggga tctcgagcta ctctattgtc aacgatactg tcgggtacgt
gctgcactcg 360atcctgctcg tgccgtactt ttcctggcag gacagccaca ggcgccacca
cgcgcggtgc 420aaccacctcc tggacgggga gtcgcacaac ccggacctca agcgcaaggt
ttacaagatg 480tacgaaaaga tcctcgacac ggtgggcgag gacgcctttg tgatcatgca
gatcgtcctt 540caccttgtct tagggtggcc catgtacctg ctgatgcacg cgaccgggtc
tcgccgcagc 600cccgtgactg ggcaaaagta caccaaaaag cccaatcact tcaactgggg
tgcgagcaac 660gagcagtacc cggccaagtt gcgcttcaag atttttctgt cctcgcttgg
cgtgatcgcg 720acgctcgcag ggatcgccgt gctggccaac aagctcggcg ccgccaaggt
ctcgctcatg 780tactttggcc cctacctcgt ggtgaatgcc tggctcgtgg gatacacctg
gctccagcac 840accgaccagg acgccccgca ctatggcgag gacgagtgga cctggatcaa
gggcgccatg 900acgacgatcg accgccccta cccctggatt gtggacgagc tccaccacca
catcggcacg 960acgcacgttt gccaccacct gttttccgac atgccgcact acaaggccca
ggaagccacc 1020gaggcgctca agccggtgct cggcaagcac taccgcttcg acccgacccc
gctggcgcag 1080gccatgtgga acaccgctcg cgactgccac tacgtcgagg gcctcgacgg
agtgcagtac 1140ccgcagtcaa tcatcgccga gaagcgtgcg gccaaaaagc tctag
118521830DNAArtificialprimer 218ggaagcttat gtgcaaggtc
gatgggacaa
3021929DNAArtificialprimer 219ttctagacta gagctttttg gccgcacgc
2922023DNAArtificialprimer 220agtcagccca
ggcaccgatg acg
2322139DNAArtificialprimer 221agccagagct agatctcttg tgctcctttt caatccttt
3922239DNAArtificialprimer 222ggagcacaag
agatctagct ctggctcaag ggacaccgt
3922324DNAArtificialprimer 223cacagaaact gccttcacgg gtct
2422424DNAArtificialprimer 224tgttatgcgg
ccattgtccg tcag
2422524DNAArtificialprimer 225tgcgatcgct gcggccgatc ttag
2422626DNAArtificialprimer 226atgaaaaagc
ctgaactcac cgcgac
2622725DNAArtificialprimer 227ctattccttt gccctcggac gagtg
2522827DNAArtificialprimer 228atggccaagc
ctttgtctca agaagaa
2722930DNAArtificialprimer 229ttagccctcc cacacataac cagagggcag
3023023DNAArtificialprimer 230ggggtcggcc
ggtgcagcct tag
2323124DNAArtificialprimer 231ggcggtcagc gatcggtcgg actc
2423223DNAArtificialprimer 232gcttgcggct
cctgttgggt gac
2323323DNAArtificialprimer 233acgcctggct gcccaccata aac
2323428DNAArtificialprimer 234ttagcgggat
cccaattcgc cctatagt
2823527DNAArtificialprimer 235aattgggatc ccgctaagta tctcccg
2723628DNAArtificialprimer 236agatctggta
ccgcagcgcc tggtgcac
2823727DNAArtificialprimer 237gctgcggtac cagatctggt cgcgttt
272385611DNAArtificialfusion DNA
(Thraustochytrium aureum C20 elongase upstream/ubiquitin promoter/ 3
desaturase/ubiquitin terminator/ubiquitin promoter/BlaR/SV40
terminator/T.aureum C20 elongase downstream) 238tcccccgggc
tgcaggaatt cactagtgat tctcccgggt ggacctagcg cgtgtgtcac 60ctgccggccc
ccgttgcgtg caaccgaatt gatcgataat agaattacat aacaaacaac 120ttgctggatg
agtacaagac cagcgtagtg tggctgtggg acgttgaacg gagcgggtcc 180tgtgatggcg
cagaaaggaa ctccgcccga ggtgaaaccc cgatgcgcag gactctgcgg 240ccacagcccc
tccgccagta ttccactaaa aatccgcccc ctttgacaaa gatcgcaacc 300ccgtcccatc
aactcctcac aataggcttt ccactggcgg aaacgtcccc ggcacaggag 360tgcctcccgc
ggttctgcgc atgcggctga ccactacgca gcgcgatatc ctccatccgc 420gtatatatcc
gtaaacaacg gaacattctc cctctcaacg aggcgtggtt ttcgaagtca 480tgcctttctt
ccttcctact ttccttcctt ctttctttct ttctttcctt cttttgcaag 540cgtgcgcgaa
cttgaaggta ctacttacac ttgacagaga gagatagaga cggcaattcg 600accaagtact
ttccacgatt tttttttttt ttgttttggt cgctttcgtt ggtcgtgcat 660gatggatggc
cgggattttt acaattggat gcgccaggct gccacgcatg ccgtgacgct 720tgctcgcggc
gactcatgat gcttgccagt ggcagtgcat ccagctcttc cctctgctcg 780tcgtgtactc
actggcgatg ctctcggcgc tcgttcaagg gccatcgatc gatcgatcga 840tcgatcgatc
gatcaatcac gtttggtgga ctcggcagac cccgaacgtg tttctcccag 900gacgcgccgc
tgtcgctcgc taatccaccc gaagcgcggt cggctggcac ggtcgctcgg 960ctggaagttg
agtagtttgc tttctgttgc tgcgctgctt tgtaaacgcg accagatctg 1020gtacccgtta
gaacgcgtaa tacgactcac tatagggaga gtcgactgag cacaactctg 1080ctgcgagcgg
gcctcgagag cgtttgcttc gagccgcgga gcaaggggga tggatcgctc 1140atgcggtcgt
gcggccctcg gtcacccggt gggtcctgca ctgacgcatc tgttctgatc 1200agacacacga
acgaacaaac cgaggagccg cagcgcctgg tgcacccgcc gggcgttgtt 1260gtgtgctctt
cttgcctccg agagagagag cggagcggat gcataggaaa tcgggccacg 1320cgggagggcc
atgcgttcgc cccacacgcc actttccacg cccgctctct ctccggccgg 1380caggcagcgc
ataactctcc gacgctggca ggctggtagc aactggcagg gacaactcgc 1440gcgcgggtcc
cggtcgttcg atgtgccaac ccgagagaat ccagccagca gggcggttgg 1500cctcatcgcc
cacctgctat ggtgcagcga accaactccc gaagcggccg gttctgcgat 1560tccctcttct
gaattctgaa ttctgaactg attccggagg agaaccctct ggaagcgcgg 1620gttgcctctc
cagttctgcc gaactagaca ggggagtgag cagagagtga ccctgacgcg 1680gagcgagctg
gttgctggaa aagtcgcgaa cgctgggctg tgtcacgcgt ccacttcggg 1740cagaccccaa
acgacaagca gaacaagcaa caccagcagc agcaagcgac ctaagcaaca 1800ctagccaaca
tgactgagga taagacgaag gtcgagttcc cgacgctcac ggagctcaag 1860cactcgatcc
cgaacgcgtg ctttgagtcg aacctcggcc tctcgctcta ctacacggcc 1920cgcgcgatct
tcaacgcgtc ggcctcggcg gcgctgctct acgcggcgcg ctcgacgccg 1980ttcattgccg
ataacgttct gctccacgcg ctcgtttgcg ccacctacat ctacgtgcag 2040ggcgtcatct
tctggggctt cttcacggtc ggccacgact gcggccactc ggccttctcg 2100cgctaccaca
gcgtcaactt tatcatcggc tgcatcatgc actctgcgat tttgacgccg 2160ttcgagagct
ggcgcgtgac gcaccgccac caccacaaga acacgggcaa cattgataag 2220gacgagatct
tttacccgca ccggtcggtc aaggacctcc aggacgtgcg ccaatgggtc 2280tacacgctcg
gcggtgcgtg gtttgtctac ttgaaggtcg ggtatgcccc gcgcacgatg 2340agccactttg
acccgtggga cccgctcctc cttcgccgcg cgtcggccgt catcgtgtcg 2400ctcggcgtct
gggccgcctt cttcgccgcg tacgcgtacc tcacatactc gctcggcttt 2460gccgtcatgg
gcctctacta ctatgcgccg ctctttgtct ttgcttcgtt cctcgtcatt 2520acgaccttct
tgcaccacaa cgacgaagcg acgccgtggt acggcgactc ggagtggacg 2580tacgtcaagg
gcaacctctc gagcgtcgac cgctcgtacg gcgcgttcgt ggacaacctg 2640agccaccaca
ttggcacgca ccaggtccac cacttgttcc cgatcattcc gcactacaag 2700ctcaacgaag
ccaccaagca ctttgcggcc gcgtacccgc acctcgtgcg caagaacgac 2760gagcccatca
tctcggcctt cttcaagacc gcgcacctct ttgtcaacta cggcgctgtg 2820cccgagacgg
cgcagatctt cacgctcaaa gagtcggccg cggccgccaa ggccaagtcg 2880gactaaacta
agctatctgt agtatgtgct atactcgaat catgctgccc tgtacgtacc 2940tacctatatc
tgattgagcg tgctgcgtcg accatagacg cgggaacgcg ggccagccta 3000ccacgttgcc
gccgccggta tccacgggca cgccaaagca ttggtcgata acgctctgcc 3060cagggcttcc
tggcgaggac ccgaggccaa catgcatgca tgtgctatca gcggtcatca 3120tcgccctcat
cagcgcgcat cggcgagctc gcgcacgaac ggcaagcgcc caactcaact 3180cacttactca
cactatggtc ttgccgttgg cggttgctta gctaatgcgt gacgtcactc 3240tgcctccaac
atcgcgaggc agagtcgcga gcagtgcaga ggccacggcg gacgccaaca 3300aagcgccaac
cagcgcaacg caccagcggg tctgtgggcg tagctcgagc gggcgtcttc 3360aagagccgcc
gtggagccga cgcccctgcg aagggctcga gtgcaagcgg ggccgttgag 3420ccgcgtggta
ggaacaactg cagtctccct atagtgagtc gtattacgcg gtggtaccgc 3480agcgcctggt
gcacccgccg ggcgttgttg tgtgctcttc ttgcctccga gagagagagc 3540ggagcggatg
cataggaaat cgggccacgc gggagggcca tgcgttcgcc ccacacgcca 3600ctttccacgc
ccgctctctc tccggccggc aggcagcgca taactctccg acgctggcag 3660gctggtagca
actggcaggg acaactcgcg cgcgggtccc ggtcgttcga tgtgccaacc 3720cgagagaatc
cagccagcag ggcggttggc ctcatcgccc acctgctatg gtgcagcgaa 3780ccaactcccg
aagcggccgg ttctgcgatt ccctcttctg aattctgaat tctgaactga 3840ttccggagga
gaaccctctg gaagcgcggg ttgcctctcc agttctgccg aactagacag 3900gggagtgagc
agagagtgac cctgacgcgg agcgagctgg ttgctggaaa agtcgcgaac 3960gctgggctgt
gtcacgcgtc cacttcgggc agtccccaaa cgacaagcag aacaagcaac 4020accagcagca
gcaagcgacc taagcaacac tagccaacat ggccaagcct ttgtctcaag 4080aagaatccac
cctcattgaa agagcaacgg ctacaatcaa cagcatcccc atctctgaag 4140actacagcgt
cgccagcgca gctctctcta gcgacggccg catcttcact ggtgtcaatg 4200tatatcattt
tactggggga ccttgtgcag aactcgtggt gctgggcact gctgctgctg 4260cggcagctgg
caacctgact tgtatcgtcg cgatcggaaa tgagaacagg ggcatcttga 4320gcccctgcgg
acggtgccga caggtgcttc tcgatctgca tcctgggatc aaagccatag 4380tgaaggacag
tgatggacag ccgacggcag ttgggattcg tgaattgctg ccctctggtt 4440atgtgtggga
gggctaagat ccgcgaaatg accgaccaag cgacgcccaa cctgccatca 4500cgagatttcg
attccaccgc cgccttctat gaaaggttgg gcttcggaat cgttttccgg 4560gacgccggct
ggatgatcct ccagcgcggg gatctcatgc tggagttctt cgcccacccc 4620aacttgttta
ttgcagctta taatggttac aaataaagca atagcatcac aaatttcaca 4680aataaagcat
ttttttcact gcattctagt tgtggtttgt ccaaactcat caatgtatct 4740tatcatgtct
gtataccgtc gacctctagc tagatctacc tgtttccggc tggctcccga 4800gccatgctta
ccatgaatgg acctgcaaac agtctgaggt ccttgtgcaa accgctcagt 4860gggacgtcga
cgaagaaaga aacaatgtgt actcgtcttg ctctgctccc gcgccgtttt 4920ttatcgttgt
tgagacctct cgcgcagttt tgggaatcaa ccaaaacaag agcccggcgt 4980cagcgtttgc
ttcgccctcg gctgcactcg ctcggcacgc aggtataact gggtgagtac 5040caagccccgc
atttgtctgt ccgcgatccg cgcacgctgc gggtcaggac gacatcgcgc 5100tgcacgtcac
agtgggtccc ttttgacgtg gctgcggcga tgaggaggct tggctcggct 5160tcatggcaag
gcaacagact cgcttccggg acgcgcacga cgagcagcgc tgctttgatc 5220gaccttgcct
gcgtcaccgc ctcggctgct ttgatcgatc gttgtcaccg gccgagtgac 5280cgcgaacgca
ttgcccgcac ggctcggctc ggcccggacc ggaccggctc gccttggcgg 5340cgcggcgcga
tggcgaccca gacgcggccg gagccgcgcg cggaggacaa ggccatgttc 5400atcttcgggc
tcgggtacgt tgggagcagg ctcgccaacc agctggcgga acaggggtgg 5460cgcgtcgcgg
ggtcggtgag ggagctcggg cgcgaggacg actttgccga gttcgaaaag 5520tccaagctga
gcggcaaggt gcaggtgttc caactcccgc ttgagggcga ggacaacacg 5580cccgctcgcg
cgcgggagat acttagcggg a
5611239904DNAArtificialGenomic DNA (Parietichytrium C20 elongase
upstream) 239gacgtcgatt cccggaagag agaggacttg taaggaactt ttgtgtaaaa
agatgtaaaa 60agatggaaag tattcaacgc gttggcgtga cgcctcactc acggttgcac
gggcagagtc 120aggcgtggtg agtggtgact ccaaaagaaa gaaagaaaga aggagggctt
tcgtttcttg 180cttgagatca agattgaaag tttttctgaa ttttgaattc tttttttttg
gcggtctgac 240tcgtgtgttt gtgccaagtt cgaaaagcat tgcagtcttg ccacgtgaac
acgagaacca 300gcattctttg atttctttgg actggaaaag acgagactca tgcgctaaag
gagagaagct 360gtctcggggg gtccaatcat gtggaaatgt gtgagtgtgt aattggcggt
tccatgcctc 420gcctagagag tcgggtagac ggctttgcca gtctgcagcg gagtcatcgg
accacgtatc 480cggaaactcg tgtgtctccg atgtctcagc ctctctctct cgacaacttt
gtttctaata 540ttttctaatt gtcgtgatcg tcgtgacagg tgagcatagg tgagcccgca
tcatcatcga 600tcggtgggtg tctctgacgg gggttgggac tccgatgaac tttgaaaaga
gacgtggtag 660tacaagtatg taataaacac cggtacatat catgaaggtt acgcttgcta
ggctactgga 720agaggaaagt ggagcttaga ctttacgaga tgaagggtgt agcgccttga
gtgtggcgct 780gacgggtctg caaatcctga aacgccggat tggttgcgtg gtcgagctga
aaacgacaga 840acggtggtcc agtgcagtag tccccgattt ggtagttgac caaaagttga
gagaaacgga 900gagg
904240721DNAArtificialGenomic DNA (Parietichytrium C20
elongase downstream) 240taccgacctt gtactcgagg agttgttgtg cgcgcggatc
cgagcgcaaa agtggacgtc 60ggtgagagac aggacaatgt ttggtagcag agcagcagtt
cgcgctttgc aaagcagcgg 120cttgcgactt gggagcacag cgcggagggc ctctcaccat
gggctgtttt cgctggaagg 180cacggcgccc agagtgcacc cggaggcgtg gattgcgcat
aacgcagttg tcgtgggcga 240tgtagaaatc ggggccaggt cgagcgtgtg gtttggggcc
tgcattcgcg gtgaccgcga 300cttgatatcg atcggggaag agacaaacat tcaggacggg
agtgtgctgc acacggatgc 360aggcgtccct atgaagatac atgatcgcgt caccatcgga
cacatggtca tgctgcacgg 420ctgcacggtg cattctgggt ctctgatcgg cattggggcg
acaatactaa acaagtaggt 480ttctatgaag tgaggaaggg ggaaggaatt cggttgtgtg
tttcctgact gtgcaccgct 540tctctgcagg gccgtcatcg ggaagaattg cctgattggt
gcgaacgctc taatcacgga 600agggaaagtc atcccggacg gaagtctagt gatgggccgc
aaccaggtgg ttcgacagct 660caccgagaag gagatcgagg gaattcagcg cactgcggct
ggctatgtgc agaaccaagg 720g
7212414592DNAArtificialfusion DNA (pGEM-T easy
vector/Parietichytrium C20 elongase upstream/Parietichytrium C20
elongase downstream/ pGEM-T easy vector) 241gggcgaattg ggcccgacgt
cgcatgctcc cggccgccat ggcggccgcg ggaattcgat 60tgacgtcgat tcccggaaga
gagaggactt gtaaggaact tttgtgtaaa aagatgtaaa 120aagatggaaa gtattcaacg
cgttggcgtg acgcctcact cacggttgca cgggcagagt 180caggcgtggt gagtggtgac
tccaaaagaa agaaagaaag aaggagggct ttcgtttctt 240gcttgagatc aagattgaaa
gtttttctga attttgaatt cttttttttt ggcggtctga 300ctcgtgtgtt tgtgccaagt
tcgaaaagca ttgcagtctt gccacgtgaa cacgagaacc 360agcattcttt gatttctttg
gactggaaaa gacgagactc atgcgctaaa ggagagaagc 420tgtctcgggg ggtccaatca
tgtggaaatg tgtgagtgtg taattggcgg ttccatgcct 480cgcctagaga gtcgggtaga
cggctttgcc agtctgcagc ggagtcatcg gaccacgtat 540ccggaaactc gtgtgtctcc
gatgtctcag cctctctctc tcgacaactt tgtttctaat 600attttctaat tgtcgtgatc
gtcgtgacag gtgagcatag gtgagcccgc atcatcatcg 660atcggtgggt gtctctgacg
ggggttggga ctccgatgaa ctttgaaaag agacgtggta 720gtacaagtat gtaataaaca
ccggtacata tcatgaaggt tacgcttgct aggctactgg 780aagaggaaag tggagcttag
actttacgag atgaagggtg tagcgccttg agtgtggcgc 840tgacgggtct gcaaatcctg
aaacgccgga ttggttgcgt ggtcgagctg aaaacgacag 900aacggtggtc cagtgcagta
gtccccgatt tggtagttga ccaaaagttg agagaaacgg 960agaggtaccg accttgtact
cgaggagttg ttgtgcgcgc ggatccgagc gcaaaagtgg 1020acgtcggtga gagacaggac
aatgtttggt agcagagcag cagttcgcgc tttgcaaagc 1080agcggcttgc gacttgggag
cacagcgcgg agggcctctc accatgggct gttttcgctg 1140gaaggcacgg cgcccagagt
gcacccggag gcgtggattg cgcataacgc agttgtcgtg 1200ggcgatgtag aaatcggggc
caggtcgagc gtgtggtttg gggcctgcat tcgcggtgac 1260cgcgacttga tatcgatcgg
ggaagagaca aacattcagg acgggagtgt gctgcacacg 1320gatgcaggcg tccctatgaa
gatacatgat cgcgtcacca tcggacacat ggtcatgctg 1380cacggctgca cggtgcattc
tgggtctctg atcggcattg gggcgacaat actaaacaag 1440taggtttcta tgaagtgagg
aagggggaag gaattcggtt gtgtgtttcc tgactgtgca 1500ccgcttctct gcagggccgt
catcgggaag aattgcctga ttggtgcgaa cgctctaatc 1560acggaaggga aagtcatccc
ggacggaagt ctagtgatgg gccgcaacca ggtggttcga 1620cagctcaccg agaaggagat
cgagggaatt cagcgcactg cggctggcta tgtgcagaac 1680caagggccca acgcgttgga
tgcatagctt gagtattcta tagtgtcacc taaatagctt 1740ggcgtaatca tggtcatagc
tgtttcctgt gtgaaattgt tatccgctca caattccaca 1800caacatacga gccggaagca
taaagtgtaa agcctggggt gcctaatgag tgagctaact 1860cacattaatt gcgttgcgct
cactgcccgc tttccagtcg ggaaacctgt cgtgccagct 1920gcattaatga atcggccaac
gcgcggggag aggcggtttg cgtattgggc gctcttccgc 1980ttcctcgctc actgactcgc
tgcgctcggt cgttcggctg cggcgagcgg tatcagctca 2040ctcaaaggcg gtaatacggt
tatccacaga atcaggggat aacgcaggaa agaacatgtg 2100agcaaaaggc cagcaaaagg
ccaggaaccg taaaaaggcc gcgttgctgg cgtttttcca 2160taggctccgc ccccctgacg
agcatcacaa aaatcgacgc tcaagtcaga ggtggcgaaa 2220cccgacagga ctataaagat
accaggcgtt tccccctgga agctccctcg tgcgctctcc 2280tgttccgacc ctgccgctta
ccggatacct gtccgccttt ctcccttcgg gaagcgtggc 2340gctttctcat agctcacgct
gtaggtatct cagttcggtg taggtcgttc gctccaagct 2400gggctgtgtg cacgaacccc
ccgttcagcc cgaccgctgc gccttatccg gtaactatcg 2460tcttgagtcc aacccggtaa
gacacgactt atcgccactg gcagcagcca ctggtaacag 2520gattagcaga gcgaggtatg
taggcggtgc tacagagttc ttgaagtggt ggcctaacta 2580cggctacact agaagaacag
tatttggtat ctgcgctctg ctgaagccag ttaccttcgg 2640aaaaagagtt ggtagctctt
gatccggcaa acaaaccacc gctggtagcg gtggtttttt 2700tgtttgcaag cagcagatta
cgcgcagaaa aaaaggatct caagaagatc ctttgatctt 2760ttctacgggg tctgacgctc
agtggaacga aaactcacgt taagggattt tggtcatgag 2820attatcaaaa aggatcttca
cctagatcct tttaaattaa aaatgaagtt ttaaatcaat 2880ctaaagtata tatgagtaaa
cttggtctga cagttaccaa tgcttaatca gtgaggcacc 2940tatctcagcg atctgtctat
ttcgttcatc catagttgcc tgactccccg tcgtgtagat 3000aactacgata cgggagggct
taccatctgg ccccagtgct gcaatgatac cgcgagaccc 3060acgctcaccg gctccagatt
tatcagcaat aaaccagcca gccggaaggg ccgagcgcag 3120aagtggtcct gcaactttat
ccgcctccat ccagtctatt aattgttgcc gggaagctag 3180agtaagtagt tcgccagtta
atagtttgcg caacgttgtt gccattgcta caggcatcgt 3240ggtgtcacgc tcgtcgtttg
gtatggcttc attcagctcc ggttcccaac gatcaaggcg 3300agttacatga tcccccatgt
tgtgcaaaaa agcggttagc tccttcggtc ctccgatcgt 3360tgtcagaagt aagttggccg
cagtgttatc actcatggtt atggcagcac tgcataattc 3420tcttactgtc atgccatccg
taagatgctt ttctgtgact ggtgagtact caaccaagtc 3480attctgagaa tagtgtatgc
ggcgaccgag ttgctcttgc ccggcgtcaa tacgggataa 3540taccgcgcca catagcagaa
ctttaaaagt gctcatcatt ggaaaacgtt cttcggggcg 3600aaaactctca aggatcttac
cgctgttgag atccagttcg atgtaaccca ctcgtgcacc 3660caactgatct tcagcatctt
ttactttcac cagcgtttct gggtgagcaa aaacaggaag 3720gcaaaatgcc gcaaaaaagg
gaataagggc gacacggaaa tgttgaatac tcatactctt 3780cctttttcaa tattattgaa
gcatttatca gggttattgt ctcatgagcg gatacatatt 3840tgaatgtatt tagaaaaata
aacaaatagg ggttccgcgc acatttcccc gaaaagtgcc 3900acctgatgcg gtgtgaaata
ccgcacagat gcgtaaggag aaaataccgc atcaggaaat 3960tgtaagcgtt aatattttgt
taaaattcgc gttaaatttt tgttaaatca gctcattttt 4020taaccaatag gccgaaatcg
gcaaaatccc ttataaatca aaagaataga ccgagatagg 4080gttgagtgtt gttccagttt
ggaacaagag tccactatta aagaacgtgg actccaacgt 4140caaagggcga aaaaccgtct
atcagggcga tggcccacta cgtgaaccat caccctaatc 4200aagttttttg gggtcgaggt
gccgtaaagc actaaatcgg aaccctaaag ggagcccccg 4260atttagagct tgacggggaa
agccggcgaa cgtggcgaga aaggaaggga agaaagcgaa 4320aggagcgggc gctagggcgc
tggcaagtgt agcggtcacg ctgcgcgtaa ccaccacacc 4380cgccgcgctt aatgcgccgc
tacagggcgc gtccattcgc cattcaggct gcgcaactgt 4440tgggaagggc gatcggtgcg
ggcctcttcg ctattacgcc agctggcgaa agggggatgt 4500gctgcaaggc gattaagttg
ggtaacgcca gggttttccc agtcacgacg ttgtaaaacg 4560acggccagtg aattgtaata
cgactcacta ta
459224237DNAArtificialGenomic DNA (Parietichytrium C20 elongase
downstream) 242accgaccttg tactcgagga gttgttgtgc gcgcgga
372434448DNAArtificialfusion DNA fusion DNA (ubiquitin
promoter/omega 3 desaturase/ubiquitin terminator/ubiquitin
promoter/HygR/SV40 terminator) 243tcggtacccg ttagaacgcg taatacgact
cactataggg agagtcgact gagcacaact 60ctgctgcgag cgggcctcga gagcgtttgc
ttcgagccgc ggagcaaggg ggatggatcg 120ctcatgcggt cgtgcggccc tcggtcaccc
ggtgggtcct gcactgacgc atctgttctg 180atcagacaca cgaacgaaca aaccgaggag
ccgcagcgcc tggtgcaccc gccgggcgtt 240gttgtgtgct cttcttgcct ccgagagaga
gagcggagcg gatgcatagg aaatcgggcc 300acgcgggagg gccatgcgtt cgccccacac
gccactttcc acgcccgctc tctctccggc 360cggcaggcag cgcataactc tccgacgctg
gcaggctggt agcaactggc agggacaact 420cgcgcgcggg tcccggtcgt tcgatgtgcc
aacccgagag aatccagcca gcagggcggt 480tggcctcatc gcccacctgc tatggtgcag
cgaaccaact cccgaagcgg ccggttctgc 540gattccctct tctgaattct gaattctgaa
ctgattccgg aggagaaccc tctggaagcg 600cgggttgcct ctccagttct gccgaactag
acaggggagt gagcagagag tgaccctgac 660gcggagcgag ctggttgctg gaaaagtcgc
gaacgctggg ctgtgtcacg cgtccacttc 720gggcagaccc caaacgacaa gcagaacaag
caacaccagc agcagcaagc gacctaagca 780acactagcca acatgactga ggataagacg
aaggtcgagt tcccgacgct cacggagctc 840aagcactcga tcccgaacgc gtgctttgag
tcgaacctcg gcctctcgct ctactacacg 900gcccgcgcga tcttcaacgc gtcggcctcg
gcggcgctgc tctacgcggc gcgctcgacg 960ccgttcattg ccgataacgt tctgctccac
gcgctcgttt gcgccaccta catctacgtg 1020cagggcgtca tcttctgggg cttcttcacg
gtcggccacg actgcggcca ctcggccttc 1080tcgcgctacc acagcgtcaa ctttatcatc
ggctgcatca tgcactctgc gattttgacg 1140ccgttcgaga gctggcgcgt gacgcaccgc
caccaccaca agaacacggg caacattgat 1200aaggacgaga tcttttaccc gcaccggtcg
gtcaaggacc tccaggacgt gcgccaatgg 1260gtctacacgc tcggcggtgc gtggtttgtc
tacttgaagg tcgggtatgc cccgcgcacg 1320atgagccact ttgacccgtg ggacccgctc
ctccttcgcc gcgcgtcggc cgtcatcgtg 1380tcgctcggcg tctgggccgc cttcttcgcc
gcgtacgcgt acctcacata ctcgctcggc 1440tttgccgtca tgggcctcta ctactatgcg
ccgctctttg tctttgcttc gttcctcgtc 1500attacgacct tcttgcacca caacgacgaa
gcgacgccgt ggtacggcga ctcggagtgg 1560acgtacgtca agggcaacct ctcgagcgtc
gaccgctcgt acggcgcgtt cgtggacaac 1620ctgagccacc acattggcac gcaccaggtc
caccacttgt tcccgatcat tccgcactac 1680aagctcaacg aagccaccaa gcactttgcg
gccgcgtacc cgcacctcgt gcgcaagaac 1740gacgagccca tcatctcggc cttcttcaag
accgcgcacc tctttgtcaa ctacggcgct 1800gtgcccgaga cggcgcagat cttcacgctc
aaagagtcgg ccgcggccgc caaggccaag 1860tcggactaaa ctaagctatc tgtagtatgt
gctatactcg aatcatgctg ccctgtacgt 1920acctacctat atctgattga gcgtgctgcg
tcgaccatag acgcgggaac gcgggccagc 1980ctaccacgtt gccgccgccg gtatccacgg
gcacgccaaa gcattggtcg ataacgctct 2040gcccagggct tcctggcgag gacccgaggc
caacatgcat gcatgtgcta tcagcggtca 2100tcatcgccct catcagcgcg catcggcgag
ctcgcgcacg aacggcaagc gcccaactca 2160actcacttac tcacactatg gtcttgccgt
tggcggttgc ttagctaatg cgtgacgtca 2220ctctgcctcc aacatcgcga ggcagagtcg
cgagcagtgc agaggccacg gcggacgcca 2280acaaagcgcc aaccagcgca acgcaccagc
gggtctgtgg gcgtagctcg agcgggcgtc 2340ttcaagagcc gccgtggagc cgacgcccct
gcgaagggct cgagtgcaag cggggccgtt 2400gagccgcgtg gtaggaacaa ctgcagtctc
cctatagtga gtcgtattac gcggtggtac 2460cgaccttgta ctcgaggagt tgttgtgcgc
gcggatctgg atctgccgca gcgcctggtg 2520cacccgccgg gcgttgttgt gtgctcttct
tgcctccgag agagagagcg gagcggatgc 2580ataggaaatc gggccacgcg ggagggccat
gcgttcgccc cacacgccac tttccacgcc 2640cgctctctct ccggccggca ggcagcgcat
aactctccga cgctggcagg ctggtagcaa 2700ctggcaggga caactcgcgc gcgggtcccg
gtcgttcgat gtgccaaccc gagagaatcc 2760agccagcagg gcggttggcc tcatcgccca
cctgctatgg tgcagcgaac caactcccga 2820agcggccggt tctgcgattc cctcttctga
attctgaatt ctgaactgat tccggaggag 2880aaccctctgg aagcgcgggt tgcctctcca
gttctgccga actagacagg ggagtgagca 2940gagagtgacc ctgacgcgga gcgagctggt
tgctggaaaa gtcgcgaacg ctgggctgtg 3000tcacgcgtcc acttcgggca gaccccaaac
gacaagcaga acaagcaaca ccagcagcag 3060caagcgacct aagcaacact agccaacatg
aaaaagcctg aactcaccgc gacgtctgtc 3120gagaagtttc tgatcgaaaa gttcgacagc
gtctccgacc tgatgcagct ctcggagggc 3180gaagaatctc gtgctttcag cttcgatgta
ggagggcgtg gatatgtcct gcgggtaaat 3240agctgcgccg atggtttcta caaagatcgt
tatgtttatc ggcactttgc atcggccgcg 3300ctcccgattc cggaagtgct tgacattggg
gaattcagcg agagcctgac ctattgcatc 3360tcccgccgtg cacagggtgt cacgttgcaa
gacctgcctg aaaccgaact gcccgctgtt 3420ctgcagccgg tcgcggaggc catggatgcg
atcgctgcgg ccgatcttag ccagacgagc 3480gggttcggcc cattcggacc gcaaggaatc
ggtcaataca ctacatggcg tgatttcata 3540tgcgcgattg ctgatcccca tgtgtatcac
tggcaaactg tgatggacga caccgtcagt 3600gcgtccgtcg cgcaggctct cgatgagctg
atgctttggg ccgaggactg ccccgaagtc 3660cggcacctcg tgcacgcgga tttcggctcc
aacaatgtcc tgacggacaa tggccgcata 3720acagcggtca ttgactggag cgaggcgatg
ttcggggatt cccaatacga ggtcgccaac 3780atcttcttct ggaggccgtg gttggcttgt
atggagcagc agacgcgcta cttcgagcgg 3840aggcatccgg agcttgcagg atcgccgcgg
ctccgggcgt atatgctccg cattggtctt 3900gaccaactct atcagagctt ggttgacggc
aatttcgatg atgcagcttg ggcgcagggt 3960cgatgcgacg caatcgtccg atccggagcc
gggactgtcg ggcgtacaca aatcgcccgc 4020agaagcgcgg ccgtctggac cgatggctgt
gtagaagtac tcgccgatag tggaaaccga 4080cgccccagca ctcgtccgag ggcaaaggaa
tagagatccg cgaaatgacc gaccaagcga 4140cgcccaacct gccatcacga gatttcgatt
ccaccgccgc cttctatgaa aggttgggct 4200tcggaatcgt tttccgggac gccggctgga
tgatcctcca gcgcggggat ctcatgctgg 4260agttcttcgc ccaccccaac ttgtttattg
cagcttataa tggttacaaa taaagcaata 4320gcatcacaaa tttcacaaat aaagcatttt
tttcactgca ttctagttgt ggtttgtcca 4380aactcatcaa tgtatcttat catgtctgta
taccgtcgac ctctagctag atctgagatt 4440aattgcgt
444824427DNAArtificialprimer
244cgttagaacg cgtaatacga ctcacta
2724532DNAArtificialprimer 245cccggatcca tggtggccag cgaggtgctc ag
3224634DNAArtificialprimer 246cccggatcct
tagtcgcgct tgagctcagc atcc
34247314PRTSchizochytrium 247Met Val Ala Ser Glu Val Leu Ser Ala Pro Lys
Ala Ala Ala Asp Ala 1 5 10
15 Ala Ala Lys Pro Lys Gln Ala Arg Arg Pro Val Lys Val Asp Arg Asp
20 25 30 Asp Ala
Phe Phe Arg Thr Phe Asn Leu Gly Ala Leu Tyr Cys Ser Ala 35
40 45 Leu Tyr Tyr Ala Ile Gln Val
Gly Pro Val Asp Asn Asp Gly Lys Gly 50 55
60 Leu Tyr Phe Ala Lys Asn Lys Phe Tyr Gln Ile Met
Leu Ser Asp Ala 65 70 75
80 Val Val Phe Gly Ala Pro Val Leu Tyr Val Leu Ala Val Met Gly Leu
85 90 95 Ser Arg Phe
Met Val Asn Lys Lys Pro Leu Thr Ala Phe Leu Arg Ala 100
105 110 Tyr Val Gln Pro Leu Tyr Asn Val
Val Gln Ile Val Val Cys Ala Trp 115 120
125 Met Val Tyr Gly Ile Met Pro Gln Val Asp Ile Leu Asn
Gly Asn Pro 130 135 140
Phe Gly Leu Asn Thr Lys Arg Asp Ala Arg Ile Glu Phe Phe Val Phe 145
150 155 160 Val His Tyr Leu
Thr Lys Phe Leu Asp Trp Thr Asp Thr Phe Ile Met 165
170 175 Ile Leu Ser Lys Ser Tyr His Gln Val
Ser Phe Leu Gln Val Phe His 180 185
190 His Ala Thr Ile Gly Met Val Trp Gly Phe Leu Leu Gln Arg
Gly Trp 195 200 205
Gly Ser Gly Thr Cys Ala Tyr Gly Ala Phe Ile Asn Ser Val Thr His 210
215 220 Val Leu Met Tyr Ser
His Tyr Leu Trp Thr Ser Phe Gly Phe Lys Asn 225 230
235 240 Pro Leu Lys Lys Trp Leu Thr Lys Phe Gln
Leu Ala Gln Phe Ala Ser 245 250
255 Cys Ile Val His Ala Leu Leu Val Leu Ala Phe Glu Glu Ala Tyr
Pro 260 265 270 Leu
Glu Phe Ala Phe Met Gln Ile Ser Tyr His Ile Ile Met Leu Tyr 275
280 285 Leu Phe Gly Lys Arg Met
Ser Trp Ala Pro Leu Trp Cys Thr Gly Met 290 295
300 Thr Asp Met Asp Ala Glu Leu Lys Arg Asp 305
310 248945DNASchizochytriumcDNA (genomic
DNA contains C20 elongase coding region) 248atggtggcca gcgaggtgct
cagcgccccc aaggccgcgg ccgacgccgc ggccaagccc 60aagcaggcgc gtcgcccggt
caaggtggac cgcgacgatg cattcttccg cacctttaac 120ctgggggcac tctactgcag
cgcactctac tacgccatcc aggttggccc cgtcgacaat 180gacggcaagg gcctctactt
tgccaagaac aagttctacc agatcatgct ctccgacgcg 240gtcgtctttg gcgcccccgt
cctctacgtc ctcgccgtca tgggtctctc ccgcttcatg 300gtcaacaaga agcccctcac
cgccttcctc cgcgcctacg tgcagccgct ctacaacgtc 360gtgcagatcg tcgtgtgcgc
ctggatggtc tacggcatca tgccccaggt cgatatcctc 420aacgggaacc ccttcggcct
caacaccaag cgggacgccc gcatcgagtt cttcgtgttt 480gtccactacc tcaccaagtt
tcttgactgg accgacacct tcatcatgat cctctccaag 540agctaccacc aggtctcctt
cctgcaggtc ttccaccacg ccaccatcgg catggtctgg 600ggctttcttc tgcagcgcgg
ctggggatcg ggcacctgtg cttacggcgc cttcatcaac 660tcggtcaccc acgtcctcat
gtactcgcac tacctctgga cctcctttgg cttcaagaac 720ccgctcaaga agtggctcac
caagttccag ctcgcgcagt ttgcctcgtg cattgtccac 780gccctcctgg tccttgcctt
cgaggaggcc tacccgctcg agtttgcttt catgcagatc 840agctaccaca ttatcatgct
ctaccttttt ggcaagcgca tgagctgggc cccgctttgg 900tgcacgggga tgactgatat
ggatgctgag ctcaagcgcg actaa
94524924DNAArtificialprimer 249catcgagatc ttcgtgtttg tcca
2425025DNAArtificialprimer 250acgaagatct
cgatgcgggc gtccc
25251945DNAArtificialSchizochytrium derived BglII inserted C20
elongase 251atggtggccg gcgaggtgct cagcgccccc aaggccgcgg ccgacgccgc
ggccaagccc 60aagcaggcgc gccgcccggt caaggtggac cgtgacgatg cattcttccg
cacctttaac 120ctgggggcac tctactgcag cgcactctac tacgccatcc aggttggtcc
cgtcgacaat 180gacggcaagg gcctctactt tgccaagaac aagttctacc agatcatgct
ctccgacgcg 240gtcgtctttg gcgcccccgt cctctacgtc ctcgccgtca tgggcctctc
ccgcttcatg 300gtcaacaaga agcccctcac cgccttcctc cgcgcctacg tgcagccgct
ctacaacgtc 360gtgcagatcg tcgtgtgcgc ctggatggtc tacggcatca tgccccaggt
cgatatcctc 420aacgggaacc ccttcggcct caacaccaag cgggacgccc gcatcgagat
cttcgtgttt 480gtccactacc tcaccaagtt tcttgactgg accgacacct tcatcatgat
cctctccaag 540agctaccacc aggtctcctt cctgcaggtc ttccaccacg ccaccatcgg
catggtctgg 600ggctttcttc tgcagcgcgg ctggggatcg ggcacctgtg cttacggcgc
cttcatcaac 660tcggtcaccc acgtcctcat gtactcgcac tacctctgga cctcctttgg
cttcaagaac 720ccgctcaaga agtggctcac caagttccag ctcgcgcagt ttgcctcgtg
cattgtccac 780gccctcctgg tccttgcctt cgaggaggcc tacccgctcg agtttgcttt
catgcagatc 840agctaccaca ttatcatgct ctaccttttt ggcaagcgca tgagctgggc
cccgctttgg 900tgcacgggga tgactgatat ggatgctgag ctcaagcgcg actaa
94525220DNAArtificialprimer 252agatggtggc cagcgaggtg
2025325DNAArtificialprimer
253ttagtcgcgc ttgagctcag catcc
252542644DNAArtificialfusion DNA (Schizochytrium C20 elongase 5'
region/SV40 terminator/Neor/ubiquitin promoter/Schizochytrium C20
elongase 3' region) 254atggtggccg gcgaggtgct cagcgccccc aaggccgcgg
ccgacgccgc ggccaagccc 60aagcaggcgc gccgcccggt caaggtggac cgtgacgatg
cattcttccg cacctttaac 120ctgggggcac tctactgcag cgcactctac tacgccatcc
aggttggtcc cgtcgacaat 180gacggcaagg gcctctactt tgccaagaac aagttctacc
agatcatgct ctccgacgcg 240gtcgtctttg gcgcccccgt cctctacgtc ctcgccgtca
tgggcctctc ccgcttcatg 300gtcaacaaga agcccctcac cgccttcctc cgcgcctacg
tgcagccgct ctacaacgtc 360gtgcagatcg tcgtgtgcgc ctggatggtc tacggcatca
tgccccaggt cgatatcctc 420aacgggaacc ccttcggcct caacaccaag cgggacgccc
gcatcgagat ctgccgcagc 480gcctggtgca cccgccgggc gttgttggtg tgctcttctt
gcctccgaga gagagagcgg 540agcggatgca taggaaatcg ggccacgcgg gagggccatg
cgttcgcccc acacgccact 600ttccacgccc gctctctctc cggccggcag gcagcgcata
actctccgac gctggcaggc 660tggtagcaac tggcagggac aactcgcgcg cgggtcccgg
tcgttcgatg tgccaacccg 720agagaatcca gccagcaggg cggttggcct catcgcccac
ctgctatggt gcagcgaacc 780aactcccgaa gcggccggtt ctgcgattcc ctcttctgaa
ttctgaattc tgaactgatt 840ccggaggaga accctctgga agcgcgggtt gcctctccag
ttctgccgaa ctagacaggg 900gagtgagcag agagtgaccc tgacgcggag cgagctggtt
gctggaaaag tcgcgaacgc 960tgggctgtgt cacgcgtcca cttcgggcag accccaaacg
acaagcagaa caagcaacac 1020cagcagcagc aagcgaccta agcaacacta gccaacatga
ttgaacagga cggccttcac 1080gctggctcgc ccgctgcttg ggtggaacgg ctgttcggct
acgactgggc tcagcagacg 1140atcggctgct cggacgcggc cgtgttccgc cttagcgcgc
agggccggcc ggtcctgttt 1200gtcaagaccg accttagcgg cgccctcaac gagctccagg
acgaagctgc ccgcctcagc 1260tggcttgcca cgacgggggt tccgtgcgcc gctgtgctcg
acgtcgtcac cgaagccggc 1320cgcgactggc tgctcctcgg ggaagtgccc ggccaggacc
tcctcagcag ccacctcgcg 1380cccgctgaga aggtgtccat catggccgac gccatgcgcc
gcctgcacac cctcgacccc 1440gccacctgcc ccttcgacca ccaggcgaag cacaggatcg
aacgcgcccg cacgcggatg 1500gaggctggcc tcgtcgacca agacgacctc gacgaggagc
accagggcct cgcgccggcg 1560gaactgttcg ccaggcttaa ggctaggatg ccggacggcg
aggacctcgt ggtcacgcac 1620ggcgacgcct gcctccccaa catcatggtc gagaacggcc
gcttctcggg ctttatcgac 1680tgcgggcgcc tgggcgtggc ggaccgctac caagacatcg
cgctcgccac gcgggacatc 1740gccgaggagc ttggcggcga gtgggccgac cgctttctcg
tgctctacgg catcgccgcc 1800ccggacagcc agaggattgc gttctaccgc ctcctggacg
agttcttttg agatccgcga 1860aatgaccgac caagcgacgc ccaacctgcc atcacgagat
ttcgattcca ccgccgcctt 1920ctatgaaagg ttgggcttcg gaatcgtttt ccgggacgcc
ggctggatga tcctccagcg 1980cggggatctc atgctggagt tcttcgccca ccccaacttg
tttattgcag cttataatgg 2040ttacaaataa agcaatagca tcacaaattt cacaaataaa
gcattttttt cactgcattc 2100tagttgtggt ttgtccaaac tcatcaatgt atcttatcat
gtctgtatac cgtcgacctc 2160tagctagatc ttcgtgtttg tccactacct caccaagttt
cttgactgga ccgacacctt 2220catcatgatc ctctccaaga gctaccacca ggtctccttc
ctgcaggtct tccaccacgc 2280caccatcggc atggtctggg gctttcttct gcagcgcggc
tggggatcgg gcacctgtgc 2340ttacggcgcc ttcatcaact cggtcaccca cgtcctcatg
tactcgcact acctctggac 2400ctcctttggc ttcaagaacc cgctcaagaa gtggctcacc
aagttccagc tcgcgcagtt 2460tgcctcgtgc attgtccacg ccctcctggt ccttgccttc
gaggaggcct acccgctcga 2520gtttgctttc atgcagatca gctaccacat tatcatgctc
tacctttttg gcaagcgcat 2580gagctgggcc ccgctttggt gcacggggat gactgatatg
gatgctgagc tcaagcgcga 2640ctaa
26442552881DNAArtificialfusion DNA (Schizochytrium
C20 elongase 5' region/ubiquitin promoter/Hygr/SV40
terminator/Schizochytrium C20 elongase 3' region) 255atggtggccg
gcgaggtgct cagcgccccc aaggccgcgg ccgacgccgc ggccaagccc 60aagcaggcgc
gccgcccggt caaggtggac cgtgacgatg cattcttccg cacctttaac 120ctgggggcac
tctactgcag cgcactctac tacgccatcc aggttggtcc cgtcgacaat 180gacggcaagg
gcctctactt tgccaagaac aagttctacc agatcatgct ctccgacgcg 240gtcgtctttg
gcgcccccgt cctctacgtc ctcgccgtca tgggcctctc ccgcttcatg 300gtcaacaaga
agcccctcac cgccttcctc cgcgcctacg tgcagccgct ctacaacgtc 360gtgcagatcg
tcgtgtgcgc ctggatggtc tacggcatca tgccccaggt cgatatcctc 420aacgggaacc
ccttcggcct caacaccaag cgggacgccc gcatcgagat ctagctrgag 480gtcgacggta
tacagacatg ataagataca ttgatgagtt tggacaaacc acaactagaa 540tgcagtgaaa
aaaatgcttt atttgtgaaa tttgtgatgc tattgcttta tttgtaacca 600ttataagctg
caataaacaa gttggggtgg gcgaagaact ccagcatgag atccccgcgc 660tggaggatca
tccagccggc gtcccggaaa acgattccga agcccaacct ttcatagaag 720gcggcggtgg
aatcgaaatc tcgtgatggc aggttgggcg tcgcttggtc ggtcatttcg 780cggatctcta
ttcctttgcc ctcggacgag tgctggggcg tcggtttcca ctatcggcga 840gtacttctac
acagccatcg gtccagacgg ccgcgcttct gcgggcgatt tgtgtacgcc 900cgacagtccc
ggctccggat cggacgattg cgtcgcatcg accctgcgcc caagctgcat 960catcgaaatt
gccgtcaacc aagctctgat agagttggtc aagaccaatg cggagcatat 1020acgcccggag
ccgcggcgat cctgcaagct ccggatgcct ccgctcgaag tagcgcgtct 1080gctgctccat
acaagccaac cacggcctcc agaagaagat gttggcgacc tcgtattggg 1140aatccccgaa
catcgcctcg ctccagtcaa tgaccgctgt tatgcggcca ttgtccgtca 1200ggacattgtt
ggagccgaaa tccgcgtgca cgaggtgccg gacttcgggg cagtcctcgg 1260cccaaagcat
cagctcatcg agagcctgcg cgacggacgc actgacggtg tcgtccatca 1320cagtttgcca
gtgatacaca tggggatcag caatcgcgca tatgaaatca cgccatgtag 1380tgtattgacc
gattccttgc ggtccgaatg ggccgaaccc gctcgtctgg ctaagatcgg 1440ccgcagcgat
cgcatccatg gcctccgcga ccggctgcag aacagcgggc agttcggttt 1500caggcaggtc
ttgcaacgtg acaccctgtg cacggcggga gatgcaatag gtcaggctct 1560cgctgaattc
cccaatgtca agcacttccg gaatcgggag cgcggccgat gcaaagtgcc 1620gataaacata
acgatctttg tagaaaccat cggcgcagct atttacccgc aggacatatc 1680cacgccctcc
tacatcgaag ctgaaagcac gagattcttc gccctccgag agctgcatca 1740ggtcggagac
gctgtcgaac ttttcgatca gaaacttctc gacagacgtc gcggtgagtt 1800caggcttttt
catgttggct agtgttgctt aggtcgcttg ctgctgctgg tgttgcttgt 1860tctgcttgtc
gtttggggtc tgcccgaagt ggacgcgtga cacagcccag cgttcgcgac 1920ttttccagca
accagctcgc tccgcgtcag ggtcactctc tgctcactcc cctgtctagt 1980tcggcagaac
tggagaggca acccgcgctt ccagagggtt ctcctccgga atcagttcag 2040aattcagaat
tcagaagagg gaatcgcaga accggccgct tcgggagttg gttcgctgca 2100ccatagcagg
tgggcgatga ggccaaccgc cctgctggct ggattctctc gggttggcac 2160atcgaacgac
cgggacccgc gcgcgagttg tccctgccag ttgctaccag cctgccagcg 2220tcggagagtt
atgcgctgcc tgccggccgg agagagagcg ggcgtggaaa gtggcgtgtg 2280gggcgaacgc
atggccctcc cgcgtggccc gatttcctat gcatccgctc cgctctctct 2340ctcggaggca
agaagagcac acaacaacgc ccggcgggtg caccaggcgc tgcggcagat 2400ccagatcttc
gtgtttgtcc actacctcac caagtttctt gactggaccg acaccttcat 2460catgatcctc
tccaagagct accaccaggt ctccttcctg caggtcttcc accacgccac 2520catcggcatg
gtctggggct ttcttctgca gcgcggctgg ggatcgggca cctgtgctta 2580cggcgccttc
atcaactcgg tcacccacgt cctcatgtac tcgcactacc tctggacctc 2640ctttggcttc
aagaacccgc tcaagaagtg gctcaccaag ttccagctcg cgcagtttgc 2700ctcgtgcatt
gtccacgccc tcctggtcct tgccttcgag gaggcctacc cgctcgagtt 2760tgctttcatg
cagatcagct accacattat catgctctac ctttttggca agcgcatgag 2820ctgggccccg
ctttggtgca cggggatgac tgatatggat gctgagctca agcgcgacta 2880a
2881
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