Abstract: The present invention discloses a method for producing a target substance using a coryneform bacterium comprising culturing a coryneform bacterium having an ability to produce the target substance in a medium, resulting in accumulation of the target substance in the medium or cells of the bacterium, and collecting the target substance from the medium or the cells of the bacterium. Also disclosed is a coryneform bacterium which is introduced with a methanol dehydrogenase gene and which has enhanced activities of hexulose phosphate synthase and phosphohexuloisomerase, and to which an ability to utilize methanol is imparted or which has enhanced ability to utilize methanol, and the medium contains methanol as a carbon source.

Abstract: The present invention provides polypeptides and polynucleotides involved in central intermediates metabolism in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: The present invention provides polypeptides and polynucleotides involved in amino acid biosynthesis in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: The present invention provides polypeptides and polynucleotides involved in the stress response to environmental changes in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: The present invention provides a bacterium which has an ability to produce a useful metabolite derived from acetyl-coenzyme A, such as L-glutamic acid, L-glutamine, L-proline, L-arginine, L-leucine, L-cysteine, succinate, and polyhydroxybutyrate, wherein said bacterium is modified so that activities of D-xylulose-5-phosphate phosphoketolase and/or fructose-6-phosphate phosphoketolase are enhanced. The present invention also provides a method for producing the useful metabolite using the bacterium.

Abstract: The present invention provides polypeptides and polynucleotides involved in amino acid biosynthesis in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: The present invention provides polypeptides and polynucleotides involved in the stress response to environmental changes in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: The present invention provides polypeptides and polynucleotides involved in central intermediates metabolism in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: The present invention provides polypeptides and polynucleotides involved in central intermediates metabolism in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: An Escherichia coli mutant strain deficient in dihydrodipicolinate synthase or dihydrodipicolinate reductase is transformed with a chromosomal gene library of Bacillus methanolicus, and a transformant strain which can grow on a minimal medium is selected. Recombinant DNA which codes for dihydrodipicolinate synthase or dihydrodipicolinate reductase is obtained from the transformant.

Abstract: The present invention provides polypeptides and polynucleotides involved in C1 assimilation in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: The present invention describes a recombinant of a microorganism that does not inherently utilize an alkane, and an alcohol, whereby the recombinant has acquired an ability to convert the alkane into the alcohol due to transformation with a DNA encoding a methane oxygenase. The present invention describes a method for producing alcohol by culturing the recombinant, and allowing the obtained culture, cells isolated from the culture or processed product of the cells to exist with the alkane to produce the alcohol.

Abstract: The present invention provides polypeptides and polynucleotides involved in C1 assimilation in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: An Escherichia coil mutant strain deficient in dihydrodipicolinate synthase or dihydrodipicolinate reductase is transformed by using a chromosome gene library of Bacillus methanolicus, a transformant strain which can grow on a minimal medium is selected, and recombinant DNA containing DNA which codes for dihydrodipicolinate synthase or dihydrodipicolinate reductase is obtained from the transformant.

Abstract: A DNA encoding a variant of a protein, the protein having a loop region and six hydrophobic helixes and involved in secretion of L-lysine to the outside of a cell, wherein the DNA encodes a variant of a protein not containing the loop region and facilitates secretion of L-lysine, L-arginine or both of these L-amino acids to the outside of a cell of a methanol-assimilating bacterium when the DNA is introduced into the bacterium, specifically lysE24, is introduced into a Methylobacillus bacteria to improve L-amino acid productivity, especially L-lysine and L-arginine productivities.

Abstract: A Methylophilus bacterium in which a gene having a nucleotide sequence identical to a DNA cording for a protein defined in the following (A) or (B) or a gene having homology to the DNA in such a degree that homologous recombination with the DNA occurs is disrupted, thereby expression of the gene is suppressed and the intracellular lysine decarboxylase activity is reduced or eliminated is cultured in a medium containing methanol as a major carbon source to produce and accumulate L-lysine in culture and the L-lysine is collected from the culture: (A) a protein which has the amino acid sequence of SEQ ID NO: 4; (B) a protein which has the amino acid sequence of SEQ ID NO: 4 including substitution, deletion, insertion or addition of one or several amino acid residues and has a lysine decarboxylase activity.

Abstract: L-Lysine is produced by culturing a methanol-utilizing bacterium which requires L-methionine for its growth and has an ability to produce L-lysine in a medium containing methanol as a main carbon source to produce and accumulate L-lysine in culture and collecting the L-lysine from the culture.

Abstract: The present invention discloses a method for producing a target substance using a coryneform bacterium comprising culturing a coryneform bacterium having an ability to produce the target substance in a medium, resulting in accumulation of the target substance in the medium or cells of the bacterium, and collecting the target substance from the medium or the cells of the bacterium. Also disclosed is a coryneform bacterium which is introduced with a methanol dehydrogenase gene and which has enhanced activities of hexulose phosphate synthase and phosphohexuloisomerase, and to which an ability to utilize methanol is imparted or which has enhanced ability to utilize methanol, and the medium contains methanol as a carbon source.

Abstract: The present invention provides polypeptides and polynucleotides involved in amino acid biosynthesis in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.

Abstract: The present invention provides polypeptides and polynucleotides involved in the stress response to environmental changes in Methylophilus methylotrophus and methods of producing amino acids in microorganisms having enhanced or attenuated expression of these polypeptides and/or polynucleotides.