KR102619598B1 - 신규한 아세토하이드록시산 신타아제 소단위체 변이체 및 이를 이용한 l-발린 생산 방법 - Google Patents
신규한 아세토하이드록시산 신타아제 소단위체 변이체 및 이를 이용한 l-발린 생산 방법 Download PDFInfo
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- KR102619598B1 KR102619598B1 KR1020210110890A KR20210110890A KR102619598B1 KR 102619598 B1 KR102619598 B1 KR 102619598B1 KR 1020210110890 A KR1020210110890 A KR 1020210110890A KR 20210110890 A KR20210110890 A KR 20210110890A KR 102619598 B1 KR102619598 B1 KR 102619598B1
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- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
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Classifications
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- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/04—Alpha- or beta- amino acids
- C12P13/08—Lysine; Diaminopimelic acid; Threonine; Valine
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Abstract
Description
균주명 | L-발린(g/L) | |
대조군 | KCCM11201P | 2.8 |
실험군 | C1 | 3.1 |
C2 | 3.3 | |
C3 | 2.5 | |
C4 | 2.4 | |
C5 | 2.3 | |
C6 | 1.2 | |
C7 | 2.9 | |
C8 | 3.4 | |
C9 | 3.2 | |
C10 | 3.2 | |
C11 | 1.9 | |
C12 | 2.4 | |
C13 | 3.8 | |
C14 | 4.5 | |
C15 | 1.8 | |
C16 | 2.3 | |
C17 | 2.7 | |
C18 | 2.6 | |
C19 | 2.6 | |
C20 | 3.5 | |
C21 | 2.5 |
프라이머 | 염기 서열 |
서열번호 7 | cggggatcctctaga AGGACGGTACTCAAATACTAAACTTC |
서열번호 8 | cggggatcctctaga GACAACTACATTATTATTATACCACA |
균주 | L-발린 (g/L) | |||
배치 1 | 배치 2 | 배치 3 | 평균 | |
KCCM11201P | 2.7 | 2.7 | 2.8 | 2.7 |
KCCM11201P::ilvN(A42V+T44A) | 3.3 | 3.2 | 3.1 | 3.2 |
프라이머 | 염기 서열 |
서열번호 9 | cggggatcctctaga AGGACGGTACTCAAATACTAAACTTC |
서열번호 10 | GGCCTTTGCAGACACGAGGGACACGAGG |
서열번호 11 | TGTCCCTCGTGTCTGCAAAGGCCGAAACACTCGGC |
서열번호 12 | cggggatcctctaga GACAACTACATTATTATTATACCACA |
균주 | L-발린 (g/L) | |||
배치 1 | 배치 2 | 배치 3 | 평균 | |
KCCM11201P | 2.7 | 2.7 | 2.8 | 2.7 |
KCCM11201P::ilvN(T44A) | 2.9 | 3.0 | 2.9 | 2.9 |
KCCM11201P::ilvN(A42V+T44A) | 3.2 | 3.3 | 3.1 | 3.2 |
프라이머 | 염기 서열 |
서열번호 13 | cggggatcctctagaAGGACGGTACTCAAATACTAAACTTC |
서열번호 14 | TGCCGAGTGTTTCGGTCTTTACAGACACGAGGGACACG |
서열번호 15 | TGTCTGTAAAGACCGAAACACTCGGCATCAA |
서열번호 16 | cggggatcctctagaGACAACTACATTATTATTATACCACA |
균주 | L-발린 (g/L) | |||
배치 1 | 배치 2 | 배치 3 | 평균 | |
CJ7V | 3.5 | 3.5 | 3.6 | 3.5 |
CJ7V::ilvN(T44A) | 3.9 | 3.8 | 3.8 | 3.8 |
CJ7V::ilvN (A42V+T44A) | 4.1 | 4.0 | 4.0 | 4.0 |
Claims (14)
- 서열번호 1의 아미노산 서열에서 44번째 위치에 상응하는 아미노산이 알라닌으로 치환된 아세토하이드록시산 신타아제 소단위체(ilvN) 변이체.
- 제1항에 있어서, 상기 변이체는 추가적으로 서열번호 1의 아미노산 서열에서 42번째 위치에 상응하는 아미노산이 발린으로 치환된 것인, 변이체.
- 제1항에 있어서, 상기 변이체는 서열번호 1의 44번째 위치에 상응하는 아미노산인 쓰레오닌이 알라닌으로 치환된 것인, 변이체.
- 제2항에 있어서, 상기 변이체는 서열번호 1의 44번째 위치에 상응하는 아미노산인 쓰레오닌이 알라닌으로, 42번째 위치에 상응하는 아미노산인 알라닌이 발린으로 치환된 것인, 변이체.
- 제1항에 있어서, 상기 변이체는 서열번호 3으로 기재된 아미노산 서열로 이루어지는, 변이체.
- 제2항에 있어서, 상기 변이체는 서열번호 5로 기재된 아미노산 서열로 이루어지는, 변이체.
- 제1항 내지 제6항 중 어느 한 항의 변이체를 코딩하는 폴리뉴클레오티드.
- 제7항의 폴리뉴클레오티드를 포함하는, 발현 벡터.
- 제1항 내지 제6항 중 어느 한 항의 변이체 또는 상기 변이체를 코딩하는 폴리뉴클레오티드를 포함하는, 미생물.
- 제9항에 있어서, 상기 미생물은 서열번호 1의 폴리펩티드 또는 이를 코딩하는 폴리뉴클레오티드를 포함하는 미생물과 비교하여 L-발린 생산능이 증가된, 미생물.
- 제9항에 있어서, 상기 미생물은 코리네박테리움 속 미생물인, 미생물.
- 제11항에 있어서, 상기 코리네박테리움 속 미생물은 코리네박테리움 글루타미쿰(Corynebacterium glutamicum)인, 미생물.
- 제9항의 미생물을 배지에서 배양하는 단계를 포함하는, L-발린 생산 방법.
- 제13항에 있어서, 상기 배지에서 목적 물질을 회수하는 단계;를 추가적으로 포함하는, 방법.
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KR100438146B1 (ko) | 1996-11-28 | 2004-11-03 | 씨제이 주식회사 | L-루이신생산미생물인코리네박테리움글루타미컴ch25 |
KR100220018B1 (ko) | 1997-06-25 | 1999-10-01 | 손 경 식 | L-루이신을 생산하는 신규한 미생물 코리네박테리움 글루타미컴(Corynebacterium glutamicum) CH45 |
KR100620092B1 (ko) | 2004-12-16 | 2006-09-08 | 씨제이 주식회사 | 코리네박테리움 속 세포로부터 유래된 신규한 프로모터서열, 그를 포함하는 발현 카세트 및 벡터, 상기 벡터를포함하는 숙주 세포 및 그를 이용하여 유전자를 발현하는방법 |
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PL2811028T3 (pl) * | 2013-06-03 | 2017-07-31 | Evonik Degussa Gmbh | Sposób wytwarzania L-waliny z zastosowaniem zrekombinowanych bakterii maczugowatych zawierających operon ilvBN indukowany propionianem |
KR101720836B1 (ko) * | 2014-08-05 | 2017-04-03 | 씨제이제일제당 (주) | 피드백 저항성 아세토하이드록시산 신타아제 변이체 및 이를 이용한 l-발린의 생산방법 |
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KR101947945B1 (ko) * | 2018-01-25 | 2019-02-13 | 씨제이제일제당 (주) | L-아미노산을 생산하는 코리네박테리움 속 미생물 및 이를 이용한 l-아미노산의 생산방법 |
KR102063909B1 (ko) * | 2019-03-29 | 2020-01-08 | 씨제이제일제당 주식회사 | 아세토하이드록시산 신타아제 변이체, 이를 포함하는 미생물 또는 이를 이용하는 l-분지쇄 아미노산 생산 방법 |
KR102153534B1 (ko) * | 2019-09-02 | 2020-09-09 | 씨제이제일제당 주식회사 | 신규한 프로모터 및 이를 이용한 아미노산 생산 방법 |
KR102207867B1 (ko) * | 2020-01-21 | 2021-01-26 | 씨제이제일제당 주식회사 | Nadp 의존적 글리세르알데하이드-3-포스페이트 디하이드로지나제를 포함하는 미생물을 이용하여 l-아미노산을 생산하는 방법 |
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