Mutant and method for producing L-glutamic acid by fermentation

Details Mutant and method for producing L-glutamic acid by fermentation Mutant and method for producing L-glutamic acid by fermentation

1995-01-09

1996-11-12

Fleisher, Mindy

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Bacteria or actinomycetales; media therefor

435110, 435244, 935 33, 935 38, 935 73, C12N 121, C12N 1567, C12N 1570, C12P 1314

Patent

active

055739458

ABSTRACT:
A mutant of the genus Escherichia is described, the .alpha.-ketoglutarate dehydrogenase activity of which is deficient or reduced, and/or the phosphoenol pyruvate carboxylase and/or glutamate dehydrogenase activities of which are amplified. The mutant is useful in the fermentative production of L-glutamic acid.

REFERENCES:
patent: 3663370 (1972-05-01), Kono et al.
patent: 4347318 (1982-08-01), Miwa et al.
patent: 4411991 (1983-10-01), Hirakawa et al.
patent: 4729952 (1988-03-01), Hattori et al.
patent: 4757009 (1988-07-01), Sano et al.
patent: 5378616 (1995-01-01), Tujimoto et al.

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