Process for the fermentative preparation of l-amino acids...

Details Process for the fermentative preparation of l-amino acids... Process for the fermentative preparation of l-amino acids...

C - Chemistry, Metallurgy

12

N

C12N 15/53 (2006.01) C12N 9/04 (2006.01) C12N 15/77 (2006.01) C12P 13/08 (2006.01)

Patent

CA 2374261

The invention relates to a process for the preparation of L-amino acids by fermentation of coryneform bacteria, which comprises carrying out the following steps: a) fermentation of the desired L- amino acid-producing bacteria in which at least the zwf gene is amplified, b) concentration of the L-amino acid in the medium or in the cells of the bacteria andc) isolation of the L-amino acid produced.

L'invention concerne un procédé servant à préparer des acides aminés L par fermentation de bactéries de type coryné. Le procédé selon l'invention comprend les étapes suivantes : a) fermentation de la bactérie produisant l'acide aminé L désiré et dans laquelle au moins le gène zwf est amplifié, b) concentration de l'acide aminé L dans le milieu ou dans les cellules de la bactérie et c) isolation de l'acide aminé L produit.

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