Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing alpha or beta amino acid or substituted amino acid...
Reexamination Certificate
2005-09-20
2005-09-20
Rao, Manjunath N. (Department: 1652)
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing alpha or beta amino acid or substituted amino acid...
C435S193000, C435S232000, C435S252330, C435S320100, C536S023200
Reexamination Certificate
active
06946268
ABSTRACT:
L-Cysteine is produced by culturing a bacterium belonging to the genusEscherichiahaving an L-cysteine producing ability and modified so that cystathionine-β-lyase activity or cystathionine-β-lyase activity and tryptophanase activity should be reduced or eliminated in a medium to produce and accumulate L-cysteine in the medium and collecting the L-cysteine from the medium.
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Nakamori Shigeru
Takagi Hiroshi
Wada Masaru
Ajinomoto Co. Inc.
Fronda Christian L.
Rao Manjunath N.
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