Class / Patent application number | Description | Number of patent applications / Date published |
435110000 | Glutamic acid; glutamine | 25 |
20090068713 | PROCESS FOR PRODUCING GAMMA-GLUTAMYLAMIDE COMPOUNDS - The present invention provides a process for producing a γ-glutamylamide compound, which comprises forming the γ-glutamylamide compound from a glutamyl donor and an amine compound using γ-glutamylcysteine synthetase, preferably γ-glutamylcysteine synthetase derived from a microorganism, or a culture of cells having the enzyme or a treated culture as an enzyme source. | 03-12-2009 |
20090162907 | METHOD FOR PRODUCING L-GLUTAMIC ACID BY FERMENTATION ACCOMPANIED BY PRECIPITATION - A microorganism which can metabolize a carbon source at a specific pH in a liquid medium containing L-glutamic acid at a saturation concentration and the carbon source, and has ability to accumulate L-glutamic acid in an amount exceeding the amount corresponding to the saturation concentration in the liquid medium at the pH; and a method for producing L-glutamic acid by fermentation, which comprises culturing the microorganism in a liquid medium of which pH is adjusted to a pH at which L-glutamic acid is precipitated, to produce and accumulate L-glutamic acid and precipitate L-glutamic acid in the medium. | 06-25-2009 |
20090215131 | L-GLUTAMIC ACID PRODUCING BACTERIUM AND A METHOD FOR PRODUCING L-GLUTAMIC ACID - The present invention describes an L-glutamic acid-producing bacterium which belongs to the genus | 08-27-2009 |
20090258402 | L-Glutamic Acid Producing Bacterium and a Method for Production of L-Glutamic Acid - A method for producing L-glutamic acid by culturing a coryneform bacterium which has L-glutamic acid producing ability and which has been modified so that expression of the fasR gene is enhanced in a medium to produce and accumulate L-glutamic acid in the medium or cells, and collecting L-glutamic acid from the medium or cells. | 10-15-2009 |
20090263874 | L-GLUTAMIC ACID-PRODUCING BACTERIUM AND METHOD FOR PRODUCING L-GLUTAMIC ACID - L-Glutamic acid is produced by culturing in a liquid culture medium a microorganism belonging to the genus Enterobacter or Serratia and having an ability to produce L-glutamic acid, which increases in an activity of enzyme catalyzing a reaction for L-glutamic acid biosynthesis or which decreases in or is deficient in an activity of an enzyme catalyzing a reaction branching from a pathway for L-glutamic acid biosynthesis and producing a compound other than L-glutamic acid, and collecting produced L-glutamic acid from the culture medium. | 10-22-2009 |
20090275090 | L-AMINO ACID-PRODUCING BACTERIUM AND A METHOD FOR PRODUCING L-AMINO ACIDS - A method for producing an L-amino acid is provided which includes culturing in a medium a microorganism of the Enterobacteriaceae family which has an ability to produce an L-amino acid and which has been modified so as to enhance the β-glucoside PTS activity, and collecting the L-amino acid from the medium or cells. | 11-05-2009 |
20090275091 | L-AMINO ACID-PRODUCING BACTERIUM AND A METHOD FOR PRODUCING L-AMINO ACIDS - A method for producing an L-amino acid is provided which includes culturing in a medium a microorganism of the Enterobacteriaceae family which has an ability to produce an L-amino acid and which has been modified so as to enhance the mannose PTS activity, accumulating the L-amino acid in the medium or in cells, and collecting the L-amino acid from the medium or cells. | 11-05-2009 |
20100003726 | Process for Producing L-Glutamic Acid - L-glutamic acid is produced by culturing a microorganism in a liquid medium containing L-glutamic acid at a saturation concentration, wherein the microorganism can metabolize a carbon source at a specific pH, and also has an ability to accumulate L-glutamic acid in the medium in an amount which exceeds the saturation concentration of L-glutamic acid, wherein the pH of the medium is controlled so that L-glutamic acid precipitates. | 01-07-2010 |
20100068769 | L-GLUTAMIC ACID-PRODUCING MICROORGANISM AND A METHOD FOR PRODUCING L-GLUTAMIC ACID - A coryneform bacterium that is modified by using a yggB gene so that L-glutamic acid-producing ability is enhanced as compared to a non-modified strains is cultured in a medium to cause accumulation of L-glutamic acid in the medium or bacterial cells, and L-glutamic acid is collected from the medium or cells. | 03-18-2010 |
20100184163 | METHOD FOR PRODUCTION OF L-GLUTAMINE - A polypeptide comprising an amino acid sequence in which one or more amino acids are deleted, substituted or added in the amino acid sequence of a glutamine synthetase 2 derived from a microorganism belonging to a coryneform bacterium, wherein the coryneform bacterium producing the polypeptide has L-glutamine productivity, a DNA encoding the polypeptide, a recombinant DNA comprising the DNA, a microorganism comprising the DNA or the recombinant DNA, and a process for producing L-glutamine using the microorganism are provided. | 07-22-2010 |
20100233764 | Process for Producing Poly-y-Glutamic Acid Having High Optical Purity - It is an objective of the present invention to provide a process for efficiently producing poly-γ-glutamic acid having a high L-glutamic acid content and excellent quality. The process for producing poly-γ-glutamic acid according to the present invention is characterized in using a bacterium belonging to species | 09-16-2010 |
20100279363 | L-Glutamic Acid-Producing Bacterium and Method for Production of L-Glutamic Acid - A method for producing L-glutamic acid by culturing a coryneform bacterium in which the gluX is inactivated in a medium to produce L-glutamic acid in the medium or cells, and collecting L-glutamic acid from the medium. | 11-04-2010 |
20110014663 | METHOD FOR PRODUCING AN L-AMINO ACID - An L-amino acid is produced by culturing a bacterium having an L-amino acid-producing ability in a medium containing a processed product of a microalga which promotes production and accumulation of the L-amino acid by the bacterium. The process product is produced by disrupting the culture of the microalga, and/or extracting the culture of the microalga, or fractionating the culture of the microalga or the disrupted culture. The processed product contains a mixture of organic substances produced by the microalga, a hydrolysate of the disrupted microalga culture, and/or an extract or fractionation product of the microalga culture. The processed product can also contain a saccarification product of starch or a hydrolysate of fats and oils. The bacterium is cultured to produce and accumulate the L-amino acid in culture, and the L-amino acid is collected from the culture. | 01-20-2011 |
20110027840 | MICROORGANISM PRODUCING GLUTAMIC ACID IN HIGH YIELD AND A PROCESS OF PRODUCING GLUTAMIC ACID USING THE SAME - Disclosed herein are mutant strains, KCCM-10784P and KCCM-10785P, which are obtained through gene manipulation of | 02-03-2011 |
20110124059 | METHOD FOR PRODUCTION OF L-GLUTAMINE - According to the present invention, it is possible to provide a microorganism belonging to the genus | 05-26-2011 |
20110177567 | MILD ALKALINE PRETREATMENT AND SIMULTANEOUS SACCHARIFICATION AND FERMENTATION OF LIGNOCELLULOSIC BIOMASS INTO ORGANIC ACIDS - The invention relates to a method for the production of a fermentation product from lignocellulosic biomass, to a reactor to carry out the method and to use of the reactor to produce a fermentation product. | 07-21-2011 |
20110201062 | BACTERIUM CAPABLE OF PRODUCING L-AMINO ACID AND METHOD FOR PRODUCING L-AMINO ACID - A bacterium is described which belongs to the Enterobacteriaceae family, and has an ability to produce an L-amino acid, such as L-glutamic acid, L-arginine and L-threonine. The bacterium is modified so that the activity of a protein encoded by ydcl gene is decreased, thereby producing and accumulating the L-amino acid selected from L-glutamic acid, L-arginine, and L-threonine in the culture medium or cells of the bacterium when cultured in a culture medium. Subsequently, the L-amino acid is collected from the culture medium or the bacterium. | 08-18-2011 |
20120322115 | PROCESS FOR PRODUCTION OF L-GLUTAMINE OR L-GLUTAMIC ACID - Provided is an efficient process for producing L-glutamine or L-glutamic acid using a microorganism. L-glutamine or L-glutamic acid is produced by culturing in a medium a microorganism in which has an ability to produce L-glutamine or L-glutamic acid, and in which an ability to form a superhelical double-stranded DNA is decreased compared with that of the parent strain, producing and accumulating L-glutamine or L-glutamic acid in the medium, and recovering L-glutamine or L-glutamic acid from the medium. | 12-20-2012 |
20120329106 | PROCESS FOR PRODUCTION OF L-AMINO ACID - Provided is a novel process for producing an L-amino acid using a microorganism belonging to the genus | 12-27-2012 |
20130084609 | Method for Producing an L-Amino Acid - An L-amino acid is produced by culturing a bacterium having an L-amino acid-producing ability in a medium containing a processed product of a microalga which promotes production and accumulation of the L-amino acid by the bacterium. The process product is produced by disrupting the culture of the microalga, and/or extracting the culture of the microalga, or fractionating the culture of the microalga or the disrupted culture. The processed product contains a mixture of organic substances produced by the microalga, a hydrolysate of the disrupted microalga culture, and/or an extract or fractionation product of the microalga culture. The processed product can also contain a saccarification product of starch or a hydrolysate of fats and oils. The bacterium is cultured to produce and accumulate the L-amino acid in culture, and the L-amino acid is collected from the culture. | 04-04-2013 |
20140099680 | CORYNEBACTERIUM SP. TRANSFORMED WITH A FRUCTOKINASE GENE DERIVED FROM ESCHERICHIA SP. AND PROCESS FOR PREPARING L-AMINO ACID USING THE SAME - The present invention relates to | 04-10-2014 |
20150140615 | METHOD FOR PREPARING ORGANIC ACID BY FED-BATCH-FEEDING CARBON SOURCE SUBSTRATE AND BASE - The present invention provides a fed-batch culture method comprising a step of fed-batch-feeding a carbon source base and a base in such a manner that the pH level can be maintained at a level suitable for the growth of microorganisms for fermentation of a carbon source. The present invention also provides a method for preparing organic acids using the fed-batch culture method. The present invention fed-batch-feeds a neutralizing agent such as ammonium bicarbonate, ammonium carbonate or alkali metal-containing weak base, and a carbon source substrate in preparing organic acids by microorganism fermentation. Thus, a pH level suitable for the survival of microorganisms for carbon source fermentation can be maintained, and the speed of injecting the carbon source base which is the source material can be appropriately adjusted. The present invention may improve productivity, yield rate and concentration of organic acids and may automatically inject a base and a carbon source substrate according to a variation in the pH level, thus improving reliability and convenience of a fermentation process operation. | 05-21-2015 |
20150307907 | Method for Producing L-Amino Acid - A method for producing an L-amino acid is provided. An L-amino acid is produced by culturing a coryneform bacterium having an L-amino acid-producing ability, which is modified so that the activity of a phosphate transporter is increased, in a medium, and collecting the L-amino acid from the medium. | 10-29-2015 |
20150337342 | BIOSYNTHETIC PATHWAYS AND METHODS - This disclosure describes a recombinant microbial cells and methods of making and using such recombinant microbial cells. Generally, the recombinant cells may be modified to exhibit increased biosynthesis of a TCA derivative compared to a wild-type control. In some embodiments, the TCA derivative can include 1,4-butanediol. In various embodiments, the microbial cell is a fungal cell or a bacterial cell. In some embodiments, the increased biosynthesis of the TCA derivative can include an increase in xylose dehydrogenase activity, xylonolactonase activity, xylonate dehydratase activity, or 2-keto-3-deoxyaldonic acid dehydratase activity. | 11-26-2015 |
20160177323 | YEAST WITH HIGH CONTENT OF ABU, GAMMA-GLU-ABU, AND/OR GAMMA-GLU-ABU-GLY | 06-23-2016 |