Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing alpha or beta amino acid or substituted amino acid...
435317, 435849, 435183, 435 68, 435172, 435253, C12N 100, C12R 119, C12N 900, C12P 1322, C12P 2100, C12N 1500, C12N 120
A bacterium which comprises a host of the genus Escherichia deficient in the enzyme tryptophanase carrying a plasmid with genetic information to control L-tryptophan production is useful for the fermentative production of L-tryptophan in high yields.
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Anderson David M.
Herrmann Klaus M.
Somerville Ronald L.
Ajinomoto Co. Inc.
Tanenholtz Alvin E.
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