Patent application number | Description | Published |
20090068712 | AMINO ACID PRODUCING MICROORGANISM AND A METHOD FOR PRODUCING AN AMINO ACID - A microorganism is provided which has an ability to produce an L-amino acid such as L-lysine, L-tryptophan, L-phenylalanine, L-valine, L-leucine, L-isoleucine and L-serine, and has been modified to increase the activity of pyruvate synthase or pyruvate:NADP | 03-12-2009 |
20090093029 | METHOD FOR PRODUCING L-AMINO ACID - An L-amino acid is produced by culturing an Enterobacteriaceae which is able to produce an L-amino acid in a medium containing glycerol, especially crude glycerol, as the carbon source to produce and accumulate the L-amino acid in the culture, and collecting the L-amino acid from the culture. | 04-09-2009 |
20090203090 | METHOD FOR PRODUCING AN L-AMINO ACID USING A BACTERIUM OF THE ENTEROBACTERIACEAE FAMILY - A method for producing an L-amino acid is described, for example L-threonine, L-lysine, L-histidine, L-phenylalanine, L-arginine, L-tryptophan, or L-glutamic acid, using a bacterium of the Enterobacteriaceae family, wherein the bacterium has been modified to enhance an activity of a wild-type alcohol dehydrogenase encoded by the adhE gene or a mutant alcohol dehydrogenase which is resistant to aerobic inactivation. | 08-13-2009 |
20090239269 | METHOD FOR PRODUCTION OF L-AMINO ACID - A bacterium which belongs to the Enterobacteriaceae family and has an ability to produce an L-amino acid such as L-lysine, L-threonine and L-tryptophan and is modified to enhance glutamic acid decarboxylase activity is cultured in a medium to produce and accumulate the L-amino acid in the medium or cells of the bacterium. Then, the L-amino acid is collected from the medium or the cells. | 09-24-2009 |
20090246835 | L-AMINO ACID-PRODUCING BACTERIUM AND A METHOD FOR PRODUCING AN L-AMINO ACID - An L-amino acid is produced by culturing a microorganism of the family Enterobacteriaceae which has the ability to produce an L-amino acid and which has been modified so as to increase the expression of the evgA gene, the gadE gene, and/or the ydeO gene. These genes encode a transcription factor involved in the EvgAS two-component system regulon. The culture takes place in a medium, and the L-amino acid is collected from the medium or cells. | 10-01-2009 |
20090291478 | METHOD FOR PRODUCING AN L-AMINO ACID - An L-amino acid is produced by culturing a bacterium of the Enterobacteriaceae family which has an L-amino acid-producing ability in a medium containing fatty acids as the carbon source, particularly fatty acids which have been subjected to emulsification or homogenization, to thereby produce and accumulate the L-amino acid in a culture medium; and collecting the L-amino acid from the culture medium. | 11-26-2009 |
20100041108 | METHOD FOR PRODUCING L-METHIONINE BY FERMENTATION - The present invention provides a method for producing L-methionine by culturing a microorganism in a medium to produce and accumulate L-methionine in the medium, and collecting the L-methionine from the medium, where the microorganism is deficient in a repressor of L-methionine biosynthesis system and has L-methionine productivity. | 02-18-2010 |
20100047878 | METHOD OF PRODUCING L-AMINO ACID - An L-amino acid is produced by culturing a microorganism belonging to the family Enterobacteriaceae having an L-amino acid-producing ability and modified so that glycerol dehydrogenase and dihydroxyacetone kinase activities are increased, in a medium containing glycerol as a carbon source to produce and accumulate an L-amino acid in the medium or cells, and collecting the L-amino acid from the medium or the cells. | 02-25-2010 |
20100062497 | MICROORGANISM PRODUCING AN AMINO ACID OF THE L-GLUTAMIC ACID FAMILY AND A METHOD FOR PRODUCING THE AMINO ACID - A microorganism is cultured in a medium, and is able to produce one or two or more kinds of L-amino acids including L-glutamic acid, L-glutamine, L-proline, L-ornithine, L-citrulline and L-arginine, and is modified to increase α-ketoglutarate synthase activity. The L-amino acids are collected from the medium or the cells. | 03-11-2010 |
20100081180 | METHOD FOR PRODUCING AN ORGANIC ACID - An organic acid is produced by allowing a bacterium which has an ability to produce an organic acid and has been modified so that expression of yidE gene is enhanced, or a product obtained by processing the bacterium, to act on an organic raw material in a reaction mixture containing carbonate ions, bicarbonate ions, or carbon dioxide gas to produce the organic acid, and collecting the organic acid. | 04-01-2010 |
20100093044 | AMINO ACID PRODUCING MICROORGANISM AND A METHOD FOR PRODUCING AN AMINO ACID - A microorganism is provided which has an ability to produce an L-amino acid such as L-lysine, L-tryptophan, L-phenylalanine, L-valine, L-leucine, L-isoleucine and L-serine, and has been modified to increase the activity of pyruvate synthase or pyruvate:NADP | 04-15-2010 |
20100112647 | METHOD FOR PRODUCING AN ACIDIC SUBSTANCE HAVING A CARBOXYL GROUP - An acidic substance having a carboxyl group is produced by culturing in a medium a microorganism which has been modified to enhance expression of the ybjL gene, and collecting the acidic substance having a carboxyl group from the medium. | 05-06-2010 |
20100221792 | METHOD FOR PRODUCING AN L-AMINO ACID - An L-amino acid is produced by culturing a bacterium belonging to the family Enterobacteriaceae, which is able to produce the L-amino acid, and is modified so that the activity of ribonuclease G is decreased in a medium containing glycerol as the carbon source, and collecting the L-amino acid from the culture. | 09-02-2010 |
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 |
20110117613 | METHOD FOR PRODUCTION OF L-AMINO ACID - An L-amino acid can be produced by culturing a bacterium which belongs to the Enterobacteriaceae family, and has an enhanced ability to use a fatty acid. The bacterium is capable of producing the L-amino acid in a culture medium containing a fatty acid or a hydrolysate of an oil-and-fat as a carbon source, thereby producing and accumulating the L-amino acid in a culture. | 05-19-2011 |
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 |
20120219995 | METHOD FOR PRODUCING AN L-AMINO ACID - A method for producing an L-amino acid which includes the steps of culturing a bacterium belonging to the family Enterobacteriaceae and having an L-amino acid producing ability in a medium to produce and accumulate an L-amino acid in the medium, and collecting the L-amino acid from the medium, wherein the bacterium has been modified so that an activity or activities of one or two or more enzymes of the arginine succinyltransferase pathway, such as arginine succinyltransferase, succinylarginine dihydrolase, succinylornithine aminotransferase, succinylglutamate-semialdehyde dehydrogenase, and succinylglutamate desuccinylase, is/are decreased. | 08-30-2012 |
20120315678 | MICROALGA HIGHLY ACCUMULATING STARCH, A METHOD FOR PRODUCING GLUCOSE USING THE SAME, AND A METHOD FOR PRODUCING A TARGET SUBSTANCE - Glucose is produced by hydrolyzing starch contained in a microalga which belongs to the genus | 12-13-2012 |
20130005000 | MUTANT rpsA GENE AND METHOD FOR PRODUCING L-AMINO ACID - A method for efficiently producing an L-amino acid utilizing a bacterium belonging to the family Enterobacteriaceae from a fatty acid or an alcohol such as glycerol as a raw material is provided. A bacterium belonging to the family Enterobacteriaceae which is able to produce L-amino acid and harbors an RpsA protein which has a mutation such that the native aspartic acid residue at position 210 is replaced with another amino acid residue is used. This bacterium is cultured in a medium containing a carbon source selected from a fatty acid and an alcohol, and the produced L-amino acid is collected from the medium. | 01-03-2013 |
20130316401 | Method for Modifying a Property of a Protein - A method for improving the thermostability of a protein includes introducing, into the protein, two or more amino acid substitutions selected from the group consisting of: (i) substitution of an arginine residue for a lysine residue, (ii) substitution of a threonine residue for a serine residue, and (iii) substitution of an alanine residue for a serine residue. | 11-28-2013 |