Patent · US Active

L-cysteine-producing bacterium and a method for producing L-cysteine

US8293506B2 · kind B2 · utility

2Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 2010
Grant dateOct 23, 2012
Priority date
Expiry dateNov 19, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12N9/0051
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

The present invention provides a bacterium belonging to the family Enterobacteriaceae, which is able to produce L-cysteine and has been modified to increase the activity of the protein encoded by the dsbA gene. This bacterium is cultured in a medium, and L-cysteine, L-cystine, a derivative or precursor thereof or a mixture thereof can be collected from the medium.

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