Patent ID: 9234223
Filing Date: 2016-01-12
CPC Classification: C12N,C12P,C12Y

Claim Text:
1. A method for producing L-cysteine, a related substance thereof, or a mixture thereof, which comprises: A) culturing a bacterium belonging to the genus B) collecting L-cysteine, a related substance thereof, or a mixture thereof from the medium, wherein the gene involved in sulfite reduction is a cysG gene, and wherein the cysG gene comprises a DNA selected from the group consisting of: (a) a DNA comprising the nucleotide sequence of SEQ ID NO: 47 or 49, (b) a DNA encoding a protein comprising the amino acid sequence of SEQ ID NO: 48 or 50, and (c) a DNA encoding a protein comprising the amino acid sequence of SEQ ID NO: 48 or 50, but which includes one to 10 amino acid substitutions, deletions, insertions, or additions.