Mutant Escherichia coli capable of enhanced L-glutamic acid production

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United States of America Patent

PATENT NO 5393671
SERIAL NO

08264298

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Abstract

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The present invention provides a mutant and discloses a process for producing L-glutamic acid by fermentation using a microorganism belonging to the genus Escherichia. The L-glutamic acid is produced and accumulated in a culture medium by culturing a mutant designated as FERM P-12379 which is derived from Escherichia coli K-12 strain and the mutant is deficient or low in .alpha.-ketoglutaric acid dehydrogenase activity, has low L-glutamic acid decomposing ability, and is capable of producing L-glutamic acid.

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Patent Owner(s)

  • AJINOMOTO CO., INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawahara, Yoshiko Kawasaki, JP 2 56
Kikuchi, Yoshimi Kawasaki, JP 38 399
Kurahashi, Osamu Kawasaki, JP 51 376
Tujimoto, Nobuharu Kawasaki, JP 2 56

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