KR20090075549A - 향상된 l-쓰레오닌 생산능을 갖는 대장균 및 이를 이용한l-쓰레오닌의 생산 방법 - Google Patents
향상된 l-쓰레오닌 생산능을 갖는 대장균 및 이를 이용한l-쓰레오닌의 생산 방법 Download PDFInfo
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- KR20090075549A KR20090075549A KR1020080001442A KR20080001442A KR20090075549A KR 20090075549 A KR20090075549 A KR 20090075549A KR 1020080001442 A KR1020080001442 A KR 1020080001442A KR 20080001442 A KR20080001442 A KR 20080001442A KR 20090075549 A KR20090075549 A KR 20090075549A
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- Prior art keywords
- threonine
- gene
- promoter
- coli
- arca
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- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical compound C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 title claims abstract description 106
- 239000004473 Threonine Substances 0.000 title claims abstract description 58
- 229960002898 threonine Drugs 0.000 title claims abstract description 58
- 241000588724 Escherichia coli Species 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims description 17
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- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 claims description 6
- 238000012258 culturing Methods 0.000 claims 1
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- DTBNBXWJWCWCIK-UHFFFAOYSA-K phosphonatoenolpyruvate Chemical compound [O-]C(=O)C(=C)OP([O-])([O-])=O DTBNBXWJWCWCIK-UHFFFAOYSA-K 0.000 description 4
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- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/02—Preparation of hybrid cells by fusion of two or more cells, e.g. protoplast fusion
- C12N15/04—Fungi
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
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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
| 조성물 | 농도 (리터당) |
| 포도당 | 70 g |
| KH2PO4 | 2 g |
| (NH4)2SO4 | 25 g |
| MgSO4 ·7H2O | 1 g |
| FeSO4 ·7H2O | 5 mg |
| MnSO4 ·4H2O | 5 mg |
| DL-메티오닌 | 0.15 g |
| 효모 추출물 | 2 g |
| 탄산칼슘 | 30 g |
| pH | 6.8 |
| 균주 | L-쓰레오닌 (g/L) |
| KCCM 10541 (모균주) | 30.0 |
| KCCM 10541-Prmf-ppc-PyddG-arcA | 32.7 |
Claims (4)
- 염색체상의 전사 조절자인 ArcA 단백질을 코딩하는 arcA 유전자의 천연 프로모터가 메틸바이올로겐 배출 관련 단백질인 YddG를 코딩하는 유전자의 서열번호 16으로 표시된 서열의 프로모터로 교체되고, 염색체상의 포스포에놀파이루베이트 카르복실라제 유전자(ppc)의 프로모터가 리보솜 조절 인자(ribosome modulation factor)를 코딩하는 유전자(rmf)의 서열번호 18로 표시된 서열의 프로모터로 교체된, L-쓰레오닌 생산능을 갖는 대장균(Escherichia coli).
- 제1항에 있어서, 상기 대장균은 메티오닌 요구성, 쓰레오닌 유사체에 대한 내성, 라이신 유사체에 대한 내성, 이소루이신 유사체에 대한 내성 및 메티오닌 유사체에 대한 내성을 갖는 것을 특징으로 하는 것인 대장균.
- 제1항에 있어서, 상기 대장균은 대장균 CA30054(수탁번호 KCCM 10911)인 것인 대장균.
- 제1항 내지 제3항 중 어느 한 항에 따른 대장균을 배양하는 단계 및 상기 대장균의 배양액으로부터 L-쓰레오닌을 분리하는 단계를 포함하는 것을 특징으로 하는 L-쓰레오닌을 생산하는 방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080001442A KR20090075549A (ko) | 2008-01-04 | 2008-01-04 | 향상된 l-쓰레오닌 생산능을 갖는 대장균 및 이를 이용한l-쓰레오닌의 생산 방법 |
| PCT/KR2009/000016 WO2009088183A1 (ko) | 2008-01-04 | 2009-01-02 | 향상된 l-쓰레오닌 생산능을 갖는 대장균 및 이를 이용한 l-쓰레오닌의 생산 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080001442A KR20090075549A (ko) | 2008-01-04 | 2008-01-04 | 향상된 l-쓰레오닌 생산능을 갖는 대장균 및 이를 이용한l-쓰레오닌의 생산 방법 |
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| KR20090075549A true KR20090075549A (ko) | 2009-07-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013103268A2 (ko) | 2012-01-06 | 2013-07-11 | 씨제이제일제당(주) | L-아미노산을 생산할 수 있는 미생물 및 이를 이용하여 l-아미노산을 생산하는 방법 |
| WO2013105800A2 (ko) | 2012-01-10 | 2013-07-18 | 씨제이제일제당(주) | L-트립토판 생산능이 강화된 에스케리키아속 미생물 및 이를 이용하여 l-트립토판을 생산하는 방법 |
| WO2014171747A1 (ko) | 2013-04-16 | 2014-10-23 | 씨제이제일제당(주) | L-트립토판 생산능을 갖는 미생물 및 이를 이용하여 l-트립토판을 생산하는 방법 |
| US10081822B2 (en) | 2015-05-14 | 2018-09-25 | Cj Cheiljedang Corporation | Microorganism of the genus Escherichia producing L-tryptophan and method for producing L-tryptophan using the same |
| US10378032B2 (en) | 2015-05-14 | 2019-08-13 | Cj Cheiljedang Corporation | Microorganism of the genus Escherichia producing L-tryptophan and a method for producing L-tryptophan using the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735478B (zh) * | 2019-01-28 | 2021-03-30 | 江南大学 | 一株高产l-苏氨酸基因工程菌的构建方法及其应用 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5939307A (en) * | 1996-07-30 | 1999-08-17 | The Archer-Daniels-Midland Company | Strains of Escherichia coli, methods of preparing the same and use thereof in fermentation processes for l-threonine production |
| KR100389580B1 (ko) * | 2000-10-12 | 2003-06-25 | 바스프 악티엔게젤샤프트 | L-트레오닌 생산 변이주 및 그를 이용한 l-트레오닌생산방법 |
| KR100478468B1 (ko) * | 2003-09-06 | 2005-03-23 | 씨제이 주식회사 | L―쓰레오닌의 제조방법 |
| US7723097B2 (en) * | 2005-03-11 | 2010-05-25 | Archer-Daniels-Midland Company | Escherichia coli strains that over-produce L-threonine and processes for their production |
-
2008
- 2008-01-04 KR KR1020080001442A patent/KR20090075549A/ko not_active Ceased
-
2009
- 2009-01-02 WO PCT/KR2009/000016 patent/WO2009088183A1/ko active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013103268A2 (ko) | 2012-01-06 | 2013-07-11 | 씨제이제일제당(주) | L-아미노산을 생산할 수 있는 미생물 및 이를 이용하여 l-아미노산을 생산하는 방법 |
| WO2013105800A2 (ko) | 2012-01-10 | 2013-07-18 | 씨제이제일제당(주) | L-트립토판 생산능이 강화된 에스케리키아속 미생물 및 이를 이용하여 l-트립토판을 생산하는 방법 |
| WO2014171747A1 (ko) | 2013-04-16 | 2014-10-23 | 씨제이제일제당(주) | L-트립토판 생산능을 갖는 미생물 및 이를 이용하여 l-트립토판을 생산하는 방법 |
| US10081822B2 (en) | 2015-05-14 | 2018-09-25 | Cj Cheiljedang Corporation | Microorganism of the genus Escherichia producing L-tryptophan and method for producing L-tryptophan using the same |
| US10378032B2 (en) | 2015-05-14 | 2019-08-13 | Cj Cheiljedang Corporation | Microorganism of the genus Escherichia producing L-tryptophan and a method for producing L-tryptophan using the same |
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| Publication number | Publication date |
|---|---|
| WO2009088183A1 (ko) | 2009-07-16 |
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