KR20170008151A - 메틸말로닐-CoA 리덕테이즈 코딩 유전자를 함유하는 미생물 변이체 및 이의 용도 - Google Patents
메틸말로닐-CoA 리덕테이즈 코딩 유전자를 함유하는 미생물 변이체 및 이의 용도 Download PDFInfo
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Abstract
Description
도 2는 MMCR 후보 유전자들을 PCR을 이용하여 복제한 결과를 나타낸 것이다.
도 3은 MMCR 후보 유전자들을 ligation하여 벡터에 삽입한 결과를 나타낸 것이다.
도 4는 MMCR 후보 유전자들이 형질전환된 균주를 배양하여 각 효소의 발현량을 확인한 결과를 나타낸 것이다.
도 5는 메틸말로닐-CoA (methylmalonyl-CoA)를 반응 기질로 하였을 때 MMCR 후보의 역가 측정 결과를 나타낸 것이다.
도 6은 메틸말로닐-CoA를 반응 기질로 하였을 때 반응산물을 MS로 분석한 결과를 나타낸 것이다.
도 7은 3-HIBA 생산 균주 배양액을 HPLC로 분석하여 3-HIBA 생산을 확인한 결과를 나타낸 것이다.
Claims (8)
- 탄소원으로부터 숙시닐-CoA 생성능을 가지는 미생물에서 다음의 효소를 코딩하는 유전자를 함유하고 3-HIBA (3-hydroxyisobutyric acid) 생성능을 가지는 미생물 변이체에 있어서,
(i) 메틸말로닐-CoA 뮤테이즈 (methylmalonyl-CoA mutase);
(ii) 메틸말로닐-CoA 에피머라제 (methylmalonyl-CoA epimerase);
(iii) 메틸말로닐-CoA 리덕테이즈 (methylmalonyl-CoA reductase, MMCR); 및
(iv) 3-하이드록시이소부티레이트 디하이드로게나아제 (3-hydroxyisobutyrate dehydrogenase),
상기 (iii)의 효소는 말로닐-CoA 리덕테이즈 (malonyl-CoA reductase, MCR) 활성을 가진 효소 중 메틸말로닐-CoA 리덕테이즈 (methylmalonyl-CoA reductase, MMCR) 활성을 나타내는 것임을 특징으로 하는 미생물 변이체.
- 제1항에 있어서,
상기 (iii)의 효소는 말로닐-CoA 리덕테이즈 활성을 가진 효소 중 메틸말로닐-CoA를 메틸말로네이트 세미알데하이드로 전환하는 단일 관능성 (monofunctional)의 메틸말로닐-CoA 리덕테이즈 활성을 나타내는 것임을 특징으로 하는 미생물 변이체.
- 제1항에 있어서,
상기 말로닐-CoA 리덕테이즈 활성을 가진 효소 중 메틸말로닐-CoA 리덕테이즈 활성을 나타내는 효소는 아키아 (Archaea)계 유래인 것을 특징으로 하는 미생물 변이체.
- 제3항에 있어서,
상기 (iii)의 효소는 Candidatus Caldiarchaeum subterraneum, Sulfolobales archaeon Acd1 및 Sulfolobus acidocaldarius Ron12/I로 이루어진 군에서 선택된 아키아계 유래인 것을 특징으로 하는 미생물 변이체.
- 제1항에 있어서,
상기 (iii)의 효소는 서열번호 23 (IKVLGDAYDAKTVKEVTRILSEVKRNVPGTM-DELTLSATTHRIA)으로 표시되는 서열과 60% 이상의 상동성 또는 80% 이상의 유사성을 나타내는 서열을 가지는 것을 특징으로 하는 미생물 변이체.
- 제1항에 있어서,
상기 (iii)의 효소는 서열번호 3 내지 5로 이루어진 군에서 선택되는 서열 중 어느 하나와 60% 이상의 상동성을 나타내는 서열을 가지는 것을 특징으로 하는 미생물 변이체.
- 제1항에 있어서,
상기 (iii)의 효소는 서열번호 3 내지 5로 이루어진 군에서 선택되는 서열 중 어느 하나의 서열을 가지는 것을 특징으로 하는 미생물 변이체.
- 제1항 내지 제7항 중 어느 한 항에 따른 미생물 변이체를 배양하여 3-HIBA를 생성하는 단계; 및 상기 생성된 3-HIBA를 회수하는 단계를 포함하는 3-HIBA의 제조방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016212497.8A DE102016212497B4 (de) | 2015-07-13 | 2016-07-08 | Mutanter Mikroorganismus, der ein Gen umfasst, das Methylmalonyl-CoA-Reductase codiert, und seine Verwendung |
| US15/207,953 US20170016033A1 (en) | 2015-07-13 | 2016-07-12 | Mutant Microorganism Comprising Gene Encoding Methylmalonyl-CoA Reductase and Use Thereof |
| CN201610552723.1A CN106350474B (zh) | 2015-07-13 | 2016-07-13 | 包含编码甲基丙二酰-CoA还原酶的基因的突变微生物及其用途 |
| KR1020240055415A KR20240060569A (ko) | 2015-07-13 | 2024-04-25 | 메틸말로닐-CoA 리덕테이즈 코딩 유전자를 함유하는 미생물 변이체 및 이의 용도 |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150099352 | 2015-07-13 | ||
| KR20150099352 | 2015-07-13 |
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| KR1020240055415A Division KR20240060569A (ko) | 2015-07-13 | 2024-04-25 | 메틸말로닐-CoA 리덕테이즈 코딩 유전자를 함유하는 미생물 변이체 및 이의 용도 |
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| KR20170008151A true KR20170008151A (ko) | 2017-01-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11680270B2 (en) | 2019-10-08 | 2023-06-20 | Sk Innovation Co., Ltd. | Recombinant acid-resistant yeast with inhibited lactate metabolism and alcohol production and method of producing lactic acid using the same |
| US11898173B2 (en) | 2020-06-24 | 2024-02-13 | Sk Innovation Co., Ltd. | Recombinant acid-resistant yeast having improved lactic-acid-producing ability |
| US12084665B2 (en) | 2018-10-08 | 2024-09-10 | Sk Innovation Co., Ltd. | Recombinant acid-resistant yeast in which alcohol production is inhibited and method for producing lactic acid by using same |
| US12157902B2 (en) | 2020-04-17 | 2024-12-03 | Sk Innovation Co., Ltd. | Recombinant acid-resistant yeast with suppressed glycerol production and method of producing lactic acid using the same |
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2016
- 2016-06-17 KR KR1020160075640A patent/KR20170008151A/ko not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12084665B2 (en) | 2018-10-08 | 2024-09-10 | Sk Innovation Co., Ltd. | Recombinant acid-resistant yeast in which alcohol production is inhibited and method for producing lactic acid by using same |
| US11680270B2 (en) | 2019-10-08 | 2023-06-20 | Sk Innovation Co., Ltd. | Recombinant acid-resistant yeast with inhibited lactate metabolism and alcohol production and method of producing lactic acid using the same |
| US12157902B2 (en) | 2020-04-17 | 2024-12-03 | Sk Innovation Co., Ltd. | Recombinant acid-resistant yeast with suppressed glycerol production and method of producing lactic acid using the same |
| US11898173B2 (en) | 2020-06-24 | 2024-02-13 | Sk Innovation Co., Ltd. | Recombinant acid-resistant yeast having improved lactic-acid-producing ability |
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