Patent ID: 7083942
Filing Date: 2006-08-01
Classification: A23K,C12N,C12P,C12Y

Abstract:
1. A process for the production of L-lysine or feedstuffs additives containing L-lysine, comprising: a) fermenting coryneform bacteria in which alleles of the endogenous aceA gene are over-expressed under conditions that are suitable for the formation of the aceA gene product isocitrate lyase, and wherein said isocitrate lyase comprises the amino acid sequence of SEQ ID NO:2 in which the alanine residue at position 332 is replaced with threonine; and b) isolating said L-lysine or the feedstuffs additive containing L-lysine from the fermentation broth, optionally c) with constituents from the fermentation broth and/or biomass (>0 up to 100%).