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
1996-03-29
1999-08-17
Wax, Robert A.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing alpha or beta amino acid or substituted amino acid...
4352523, 43525233, 4353201, C12P 1322, C12N 120, C12N 1500
Patent
active
059392959
ABSTRACT:
An improved recombinant DNA plasmid composed of a DNA vector and other DNA fragments containing the tryptophan operon from E. coli, the aroG gene from E. coli and the serA gene from E. coli is shown. The plasmid is transformed into a microorganism belonging to Escherichia coli, and the microorganisms are cultured in a medium and the L-tryptophan accumulated in the culture is recovered.
REFERENCES:
Mascarenhas et al. App. Env. Microbiol. 57 : 2995, 1991.
Dancey Richard D.
Dunkak Mark S.
Hanke Paul D.
McMullin Thomas W.
Archer Daniels Midland Company
Saidha Tekchand
Wax Robert A.
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