Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing alpha or beta amino acid or substituted amino acid...
Patent
1989-10-30
1992-02-11
Robinson, Douglas W.
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, 4351721, 435244, 435849, C12P 1308, C12N 120, C12N 1500, C12N 138
Patent
active
050875663
ABSTRACT:
Disclosed is a process for producicng L-threonine, which comprises culturing in a medium a microorganism belonging to the genus Escherichia and having a resistance to cysteine or cystine, or their analogue and an ability to produce L-threonine until L-threonine is accumulated in the culture broth, and recovering L-threonine therefrom.
REFERENCES:
patent: 3647628 (1972-03-01), Nakayama
Lynn et al., in "Amino Acids, Biosynthesis and Genetic Regulation", 1983, pp. 173-177.
Furukawa Satoru
Nakanishi Toshihide
Takano Jun-ichi
Kyowa Hakko Kogyo., Ltd.
Marx Irene
Robinson Douglas W.
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