Process for producing L-threonine with strains of E coli resista

Details Process for producing L-threonine with strains of E coli resista Process for producing L-threonine with strains of E coli resista

1993-12-02

1994-12-27

Knode, Marian

Chemistry: molecular biology and microbiology

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

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

4352528, C12P 1308

Patent

active

053765389

ABSTRACT:
Disclosed is a process for producing L-threonine, which comprises culturing an L-threonine-producing microorganism belonging to the genus Escherichia and having a resistance to at least one of L-phenylalanine and L-leucine in a medium until L-threonine is produced and accumulated in the culture, and recovering L-threonine therefrom.

REFERENCES:
patent: 4996147 (1991-02-01), Furukawa
patent: 5017483 (1991-05-01), Furukawa
White, P. J., "The Regulation of Diaminopimelate Decarboxylase Activity in Escherichia coli strain w", J. Gen. Microbiol., 96 pp. 51-62 1976.
Patte, J. C. et al., "Effects Inhibiteurs Cooperatifs de la L-Lysime and D'autrs Amino Acids sur une asparto Kinase de Escherichia coli," BBA, vol. 99 pp. 523-530, 1965.

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