Microorganism producing L-threonine having inactivated tyrR gene, method of producing the same and method of producing L-threonine using the microorganism
AssigneeCJ Corporation
InventorsYoung Hoon Park, Byoung Choon Lee, Jae Yong Park, Kwang Myung Cho, Yong Uk Shin
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Abstract
Provided are a microorganism capable of producing L-threonine and having an inactivated tyrR gene, a method of producing the same and a method of producing L-threonine using the microorganism. The microorganism can be used to produce L-threonine in high yield.
Claims3
A microorganism of the Enterobacteriaceae family capable of producing L-threonine and having an inactivated tyrR gene, wherein said microorganism is Escherichia coli FTR7624 (KCCM-10538).
A microorganism of the Enterobacteriaceae family, wherein said microorganism is Escherichia coli FTR7624 (KCCM-10538), further comprising at least one copy of phosphoenol pyruvate carboxylase (ppc) gene and thrA, thrB, and thrC genes are inserted into a chromosomal DNA, in addition to intrinsic ppc gene and thrA, thrB and thrC genes.
Dependencies are inferred from the claim text.