Patent number: 7011961
Filing date: Feb 14, 2002
Issue date: Mar 14, 2006
Inventors: Kap-Soo Noh, Yeong-Chul Kim, Jae-Yong Park, Dai-Chul Kim, Jin-Ho Lee, Seung-Han Ok
Assignee: Cheil Jedang Corporation
A method of producing L-threonine using a microorganism is provided, one or more copies of each of the phosphoenolpyruvate carboxylase gene and the threonine operon are additionally intedgrated into a particular site of the chromosomal DNA of the microorganism, whiel its inherent phophoenolpyruvate carboxylase gene and threonine operon remain.
Patent Specification