The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2012
Filed:
Dec. 10, 2009
Applicants:
Hiroshi Takagi, Fukui, JP;
Shigeru Nakamori, Fukui, JP;
Masaru Wada, Fukui, JP;
Hirotada Mori, Ikoma, JP;
Inventors:
Hiroshi Takagi, Fukui, JP;
Shigeru Nakamori, Fukui, JP;
Masaru Wada, Fukui, JP;
Hirotada Mori, Ikoma, JP;
Assignee:
Ajinomoto Co., Inc., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12N 9/00 (2006.01); C12N 9/10 (2006.01); C12P 13/12 (2006.01); C12N 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
L-cysteine is produced by culturing anbacterium having L-cysteine producing ability and containing a gene encoding an O-acetylserine sulphydrylase B or MalY regulatory protein that is modified so that cysteine desulfhydrase activity is reduced or eliminated. The bacterium is cultured in a medium to produce and cause accumulation of L-cysteine in the medium, and collecting L-cysteine from the medium.