Process for L-amino acid production using enterobacteriaceae...

Details Process for L-amino acid production using enterobacteriaceae... Process for L-amino acid production using enterobacteriaceae...

2004-03-08

2009-08-18

Prouty, Rebecca E (Department: 1656)

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing alpha or beta amino acid or substituted amino acid...

C435S252100, C435S115000, C435S116000, C435S113000

Reexamination Certificate

active

07575905

ABSTRACT:
The invention relates to a process for the preparation of L-amino acids by the fermentation of recombinant microorganisms of the family Enterobacteriaceae. The microorganisms produce the desired L-amino acid and overexpress theE. coliorS. typhimuriumyibD gene encoding the putative glycosyl transferase enzyme. The microorganisms are cultivated in a medium under conditions in which the desired L-amino acid is enriched in the medium or in the cells. The amino acid is then isolated, optionally with constituents of the fermentation broth, and/or all or part (≧0 to 100%) of the biomass.

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