公开(公告)号：US20230134555A1

公开(公告)日：2023-05-04

申请号：US17911083

申请日：2021-03-05

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Chang Il SEO ,  Hyun Ah KIM ,  Sung Kwang SON ,  Ki Yong CHEONG ,  Moo Young JUNG ,  Tae Yeon KIM

IPC: C12N9/88 ,  C12P13/22

Abstract: The present disclosure relates to a method for producing L-tryptophan through the enhancement of prephenate dehydratase (PheA) activity.

公开(公告)号：US20210388402A1

公开(公告)日：2021-12-16

申请号：US16644315

申请日：2019-07-25

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ki Yong CHEONG ,  Hyeryun YOO ,  Chang II SEO ,  Jaemin LEE ,  Seung Hyun CHO

IPC: C12P13/08 ,  C12P13/22 ,  C07K14/245 ,  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：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：US20250043294A1

公开(公告)日：2025-02-06

申请号：US18722539

申请日：2022-12-06

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Heejung KIM ,  Ki Yong CHEONG ,  Heeyeong KIM ,  Woosung CHOI

IPC: C12N15/77 ,  C12N9/06 ,  C12P13/06

Abstract: The present disclosure relates to a microorganism with L-isoleucine-producing ability, into which a foreign gene encoding glutamate dehydrogenase is introduced, a method of producing L-isoleucine using the microorganism, and a composition for producing L-isoleucine, the composition including the microorganism.

公开(公告)号：US20240392260A1

公开(公告)日：2024-11-28

申请号：US18696968

申请日：2022-08-05

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Heeyeong KIM ,  Kyungrim KIM ,  Woosung CHOI ,  Ki Yong CHEONG

IPC: C12N9/10 ,  C12N15/77 ,  C12P13/06

Abstract: The present disclosure relates to a novel acetohydroxy acid synthase (AHAS) variant improving L-isoleucine producing ability, a microorganism including the same, and a method of producing L-isoleucine using the microorganism.

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.

公开(公告)号：US20250034608A1

公开(公告)日：2025-01-30

申请号：US18696966

申请日：2022-08-05

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Heeyeong KIM ,  Kyungrim KIM ,  Woosung CHOI ,  Ki Yong CHEONG

IPC: C12P13/06 ,  C12N1/20 ,  C12N9/10 ,  C12N15/77 ,  C12R1/15

Abstract: The present disclosure relates to a novel acetohydroxy acid synthase (AHAS) variant improving L-isoleucine producing ability, a microorganism including the same, and a method of producing L-isoleucine using the microorganism.

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：US20200063219A1

公开(公告)日：2020-02-27

申请号：US16479749

申请日：2019-02-22

Applicant: CJ Cheiljedang Corporation

Inventor： Moo Young JUNG ,  Chang Il SEO ,  Hyo Jin KIM ,  Tae Yeon KIM ,  Hyun Ah KIM ,  Sung Kwang SON ,  Hye Ryun YOO ,  Jae Min LEE ,  Ki Yong CHEONG

IPC: C12R1/19 ,  C12R1/15 ,  C12P13/22 ,  C12N15/70 ,  C12N15/77

Abstract: The present disclosure relates to a microorganism producing L-tryptophan in which the microorganism is modified such that a protein having an L-tryptophan-exporting activity comprising the amino acid sequence of SEQ ID NO: 1 is expressed, and a method for producing L-tryptophan using the microorganism.