Patent ID: 8673597
Filing Date: 2014-03-18
Classification: C12P

Abstract:
1. A method for producing an L-amino acid comprising culturing a bacterium in a medium, wherein said bacterium belongs to the family Enterobacteriaceae and is able to produce L-amino acid, and collecting the L-amino acid from the medium, wherein: the bacterium has been modified so that expression of a gltP and/or gltS gene(s) from an Enterobacteriaceae bacterium is/are increased compared to a non-modified bacterium by a method selected from the group consisting of: a) increasing copy number of the gene(s), b) modifying an expression control sequence of the gene(s), and c) combinations thereof, and the L-amino acid is selected from the group consisting of L-lysine, L-threonine, L-asparagine, L-aspartic acid, L-methionine, L-alanine, L-isoleucine, and L-homoserine.