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US 2009/0253186 A1Published application
Microorganism producing l-methionine precursor and the method of producing l-methionine precursor using the microorganism
AssigneeCj Cheiljedang Corporation
InventorsChul Ha KIM, So Young KIM, Young Uk SHIN, Hye Won UM, Jin Sook CHANG, Young Wook CHO, Han Jin LEE, In Kyung HEO, Chang Il SEO, Kwang Ho NA
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Abstract
The present invention relates to a microorganism producing L-methionine precursor, O-acetylhomoserine, and a method of producing L-methionine precursor using the microorganism.
Claims20
A microorganism for producing O-acetylhomoserine characterized by the followings;
- a) a homoserine O-acetyltransferase activity (EC2.3.1.31) is introduced and enhanced by the integration of genes selected from corynebacterium sp., Leptospira sp., Deinococcus sp., Pseudomonas sp., or Mycobacterium sp.:
- or b) an aspartokinase or homoserine dehydrogenase activity (EC2.7.2.4 or 1.1.1.3) is enhanced,
- or c) a combination of a) and b)
Dependencies are inferred from the claim text.