Abstract: The present invention relates to microorganisms of corynebacterium which can utilize xylose and to a method for producing L-lysine using same. More particularly, the present invention relates to microorganisms of corynebacterium which are modified, in which genes encoding xylose isomerase and xylulokinase which are xylose synthases are introduced to express the xylose synthase. The present invention also relates to a method for producing L-lysine, comprising a step of culturing the modified microorganisms of corynebacterium using xylose as a carbon source, and recovering L-lysine from the culture.

Abstract: A variant of Corynebacterium shows activity greater than the endogenous activity of aspartate aminotransferase, aspartate kinase, aspartate semialdehyde dehydrogenase, dihydrodipicolinate synthase, dihydropicolinate reductase and diaminopimelate dicarboxylase and additionally pyruvate carboxylase. The variant is used in a method of producing L-lysine.

Abstract: Provided is a method of producing L-amino acids by using a recombinant coryneform microorganism in which the expression of a target gene is weakened by using a gene transcription inhibition method.

Abstract: The present invention relates to a novel isolated gene (polynucleotide) which encodes a protein having a biofilm formation inhibitory activity derived from Coryneform bacteria, a L-lysine-producing strain in which the polynucleotide is inactivated, and a method for producing L-lysine using the same.

Abstract: The present invention relates to a modified polynucleotide encoding aspartate kinase (EC:2.7.2.4; hereinafter, referred to as LysC), transketolase (EC:2.2.1.1; hereinafter, referred to as Tkt) or pyruvate carboxylase (EC:6.4.1.1; hereinafter, referred to as Pyc), in which the initiation codon is substituted with ATG, a vector including the same, a microorganism transformed with the vector, and a method for producing L-lysine using the same.

Abstract: The present invention relates to a transformation vector comprising the partial fragments of a gene encoding transposase, a microorganism transformed with the vector, and a method of producing lysine using the microorganism.

Abstract: The present invention relates to microorganisms of corynebacterium which can utilize xylose and to a method for producing L-lysine using same. More particularly, the present invention relates to microorganisms of corynebacterium which are modified, in which genes encoding xylose isomerase and xylulokinase which are xylose synthases are introduced to express the xylose synthase. The present invention also relates to a method for producing L-lysine, comprising a step of culturing the modified microorganisms of corynebacterium using xylose as a carbon source, and recovering L-lysine from the culture.

Abstract: The present invention relates to a method for producing highly-concentrated L-amino acid and riboflavin simultaneously, and a microorganism for simultaneously producing L-amino acid and riboflavin. Specifically, the present invention relates to a modified microorganism for producing L-lysine or L-threonine, and riboflavin simultaneously, wherein the microorganism belonging to Corynebacterium sp. capable of producing L-lysine or L-threonine is modified by enhancing the activity of an enzyme family expressed by a rib operon which contains riboflavin biosynthesis gene family. Also, the present invention relates to a method for the simultaneous production of L-lysine or L-threonine, and riboflavin using the modified microorganism, and relates to a formulation or granular formulation, feed, and feed additive, containing L-lysine or L-threonine, and riboflavin produced from a culture medium of the modified microorganism.

Abstract: The present invention relates to Corynebacterium sp. that is transformed with an Escherichia sp.-derived fructokinase gene to express fructokinase showing a sufficient activity of converting fructose into fructose-6-phosphate, thereby preventing unnecessary energy consumption, and a method for producing L-amino acids using the strain. The transformed Corynebacterium sp. of the present invention is able to express fructokinase from the Escherichia-derived fructokinase gene to prevent unnecessary energy consumption during fructose metabolism, leading to more cost-effective production of L-amino acids. Therefore, it can be widely used for the effective production of L-amino acids.

Abstract: The present invention relates to a microorganism of Corynebacterium ssp. having enhanced expression of gene for encoding molybdenum cofactor biosynthesis enzyme A and a method for producing L-lysine using the same, which has effects on providing the production method of L-lysine using the Corynebacterium strain having enhanced productivity of L-lysine by intensifying expression of the moaA gene for encoding molybdnum cofactor biosynthesis enzyme A.

Abstract: Disclosed is an L-lysine-producing microorganism having gluconate kinase activity weakened in comparison to the endogenous activity thereof, and methods provided for preparing the microorganism and for producing L-lysine using the same.

Abstract: Disclosed are a nucleic acid molecule of Corynebacterium glutamicum origin, having an improved promoter activity, which is operably linked to operon encoding aspartate kinase and aspartate semialdehyde dehydrogense, a vector containing the same, a transformant transformed with the vector, and a method for the production of L-lysine using the transformant.

Abstract: Provided are a microorganism of Corynebacterium genus capable of producing L-lysine and resistant to kanamycin, and a method of producing L-lysine using the same.

Abstract: The present invention provides a nucleic acid molecule having enhanced promoter activity, which is operably linked to a gene encoding aspartate aminotransferase and derived from Corynebacterium glutamicum, a vector comprising the nucleic acid molecule, a transformant transformed with the vector, and a method for producing L-lysine using the transformant.

Abstract: The present invention relates to a microorganism of Corynebacterium genus having enhanced L-lysine productivity and a method of producing L-lysine using the same. More particularly, the present invention relates to a recombinant microorganism of Corynebacterium genus having enhanced L-lysine productivity by inactivating endogenous NCgl2534 gene having the amino acid sequence containing repeated lysine residues and a method of producing L-lysine using the same.

Abstract: The present invention relates to a microorganism of Corynebacterium genus having enhanced L-lysine productivity and a method of producing L-lysine using the same. More particularly, the present invention relates to a recombinant microorganism of Corynebacterium genus having enhanced L-lysine productivity by inactivating endogenous NCgI 1090 gene having the amino acid sequence containing repeated aspartate residues and a method of producing L-lysine using the same.

Abstract: The present invention provides a nucleic acid molecule having enhanced promoter activity, which is operably linked to a gene encoding aspartate aminotransferase and derived from Corynebacterium glutamicum, a vector comprising the nucleic acid molecule, a transformant transformed with the vector, and a method for producing L-lysine using the transformant.

Abstract: Disclosed are a nucleic acid molecule of Corynebacterium glutamicum origin, having an improved promoter activity, which is operably linked to operon encoding aspartate kinase and aspartate semialdehyde dehydrogense, a vector containing the same, a transformant transformed with the vector, and a method for the production of L-lysine using the transformant.

Abstract: Disclosed is a novel L-lysine-inducible promoter nucleic acid molecule. Also disclosed are a vector containing the nucleic acid molecule, a host cell transformed with the vector, and a method of inducing expression of a target gene using the L-lysine-inducible promoter nucleic acid molecule.

Abstract: The present invention relates to a microorganism of Corynebacterium ssp. having enhanced expression of gene for encoding molybdenum cofactor biosynthesis enzyme A and a method for producing L-lysine using the same, which has effects on providing the production method of L-lysine using the Corynebacterium strain having enhanced productivity of L-lysine by intensifying expression of the moaA gene for encoding molybdnum cofactor biosynthesis enzyme A.