公开(公告)号：US20180087077A1

公开(公告)日：2018-03-29

申请号：US15573236

申请日：2016-05-10

Applicant: CJ Cheiljedang Corporation

Inventor： Seok Myung LEE ,  Baek Seok LEE ,  Kyungrim KIM ,  Kwang Ho LEE ,  Keun Cheol LEE ,  Hyeongpyo HONG

IPC: C12P13/22 ,  C12N1/20

CPC classification number: C12P13/227 ,  C12N1/20 ,  C12N15/70 ,  C12P13/14

Abstract: The present invention relates to a microorganism of the genus Escherichia in which L-tryptophan productivity is improved by inactivating phosphatase activity. Further, the present invention relates to a method for producing L-tryptophan using the microorganism of the genus Escherichia.

公开(公告)号：US20170137854A1

公开(公告)日：2017-05-18

申请号：US15321717

申请日：2015-06-23

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ki Yong CHEONG ,  Kyung Rim KIM ,  Seok Myung LEE ,  Kwang Ho LEE ,  Keun Cheol LEE ,  Hyeong Pyo HONG

IPC: C12P13/22 ,  C12N9/88 ,  C12N15/52

Abstract: The present application relates to a microorganism of the genus Escherichia producing L-tryptophan and, more specifically, to a microorganism of the genus Escherichia with improved activity of producing L-tryptophan by weakening or inactivating the activity of endogenous 6-phosphogluconate dehydratase and 2-keto-3-deoxy-6-phosphogluconate aldolase.Additionally, the present application relates to a method for producing L-tryptophan using the microorganism of the genus Escherichia.

公开(公告)号：US20210317488A1

公开(公告)日：2021-10-14

申请号：US16633461

申请日：2019-07-25

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Seok Myung LEE ,  Ki Yong CHEONG ,  Chang II SEO ,  Ji Sun LEE

IPC: C12P13/22 ,  C07K14/245 ,  C12P13/08 ,  C12N1/20 ,  C12N15/70

Abstract: Provided are a cAMP receptor protein variant, a microorganism including the same, and a method of producing an L-amino acid using the same.

公开(公告)号：US20210363197A1

公开(公告)日：2021-11-25

申请号：US16956799

申请日：2019-07-25

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Seok Myung LEE ,  Ki Yong CHEONG ,  Chang II SEO ,  Ji Sun LEE

IPC: C07K14/245 ,  C12N1/20 ,  C12P13/08 ,  C12P13/22

Abstract: The present disclosure relates to a cAMP receptor protein variant, a microorganism including the same, and a method of producing an L-amino acid using the same.

公开(公告)号：US20180127792A1

公开(公告)日：2018-05-10

申请号：US15573244

申请日：2016-05-10

Applicant: CJ Cheiljedang Corporation

Inventor： Hye Min PARK ,  Baek Seok LEE ,  Seok Myung LEE ,  Kyungrim KIM ,  Kwang Ho LEE ,  Ki Yong CHEONG ,  Keun Cheol LEE ,  Hyeongpyo HONG

IPC: C12P13/22 ,  C12N15/71 ,  C12N9/16

CPC classification number: C12P13/227 ,  C12N9/16 ,  C12N15/71 ,  C12Y301/03

Abstract: The present disclosure relates to a microorganism of the genus Escherichia producing more L-tryptophan by inactivating the activity of phosphatase.Additionally, the present disclosure relates to a method for producing L-tryptophan using the microorganism of the genus Escherichia.