Method of producing L-threonine by fermentation

Details Method of producing L-threonine by fermentation Method of producing L-threonine by fermentation

1982-05-10

1984-06-05

Tanenholtz, Alvin E.

Chemistry: molecular biology and microbiology

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

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

4351723, 935 61, 935 72, C12P 1308, C12N 1500

Patent

active

044528906

ABSTRACT:
An L-threonine microorganism is produced by inserting a restriction endonuclease fragment of chromosomal DNA controlling .alpha.-amino-.beta.-hydroxy valeric acid resistance from a Brevibacterium or Corynebacterium into a plasmid and transforming a Brevibacterium or Corynebacterium which is sensitive to .alpha.-amino-.beta.-hydroxy valeric acid.

REFERENCES:
patent: 3732144 (1973-05-01), Nakayama et al.
patent: 4347318 (1982-08-01), Miwa et al.

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