Process for producing L-tryptophan, L-tyrosine or L-phenylalanin

Details Process for producing L-tryptophan, L-tyrosine or L-phenylalanin Process for producing L-tryptophan, L-tyrosine or L-phenylalanin

1995-04-19

1997-02-25

Patterson, Jr., Charles L.

Chemistry: molecular biology and microbiology

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

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

43525232, C12N 121, C12P 1322

Patent

active

056058187

ABSTRACT:
Disclosed is a process for producing an aromatic amino acid selected from the group consisting of L-tryptophan, L-tyrosine and L-phenylalanine which comprises culturing in a medium a mutant strain of the genus Corynebacterium or Brevibacterium, being capable of producing the aromatic amino acid and also having higher transketolase activity than that of a parent strain thereof until the aromatic amino acid is produced and accumulated in the culture, and recovering the aromatic amino acid therefrom.

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WPI Accession No. 87-002443/01 (JP 61-260892), (1986).
Agric. Biol. Chem 53 (8), 2081-2087, 1989, Sugimoto, et al.
Journal Of Bacteriology, Dec. 1969; P. 1289-1295, Josephson, et al.

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