Patent · US Active

Method for producing L-cysteine

US9234223B2 · kind B2 · utility

2Cited by

5References

5Claims

0Family size

Assignee

Ajinomoto Co., Inc.

Inventors

Shunsuke Yamazaki · Kawasaki, JP
Gen Nonaka · Saga, JP
Kazuhiro Takumi · Kawasaki, JP

Key dates

Filing date	Mar 27, 2012
Grant date	Jan 12, 2016
Priority date	—
Expiry date	Mar 27, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12Y402/99
WIPO fieldBiotechnology
WIPO sectorChemistry

Abstract

A method for producing L-cysteine and the like is provided by developing a novel technique for improving bacterial L-cysteine-producing ability. The method includes the steps of culturing a bacterium belonging to the genus Escherichia which has L-cysteine-producing ability, and in which expression of a gene involved in sulfite reduction is enhanced, in a medium containing thiosulfate, and collecting L-cysteine, a related substance thereof, or a mixture thereof which accumulate in the medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.