KR20210052112A - 바이러스 감염 관련 유전자 불활성에 의해 방향족 아미노산 생산능력이 향상된 균주 - Google Patents
바이러스 감염 관련 유전자 불활성에 의해 방향족 아미노산 생산능력이 향상된 균주 Download PDFInfo
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- 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
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/70—Vectors or expression systems specially adapted for E. coli
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/195—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from bacteria
- C07K14/24—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from bacteria from Enterobacteriaceae (F), e.g. Citrobacter, Serratia, Proteus, Providencia, Morganella, Yersinia
- C07K14/245—Escherichia (G)
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/04—Alpha- or beta- amino acids
- C12P13/22—Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine
- C12P13/222—Phenylalanine
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/04—Alpha- or beta- amino acids
- C12P13/22—Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine
- C12P13/225—Tyrosine; 3,4-Dihydroxyphenylalanine
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P13/00—Preparation of nitrogen-containing organic compounds
- C12P13/04—Alpha- or beta- amino acids
- C12P13/22—Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine
- C12P13/227—Tryptophan
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- Wood Science & Technology (AREA)
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- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
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- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plant Pathology (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Description
균주 | L-히스티딘 (상대량) |
KFCC11660P | 1 |
KFCC11660PΔdcrB | 0.8921 |
KFCC11660PΔintS | 0.9572 |
KFCC11660PΔyecE | 0.9243 |
Claims (8)
- 바이러스 감염 관련 유전자인 dcrB, intS, 및 yecE 중 적어도 하나의 유전자를 불활성화시킴으로써 방향족 아미노산 생산능이 향상된 변이 균주.
- 제 1 항에 있어서,
상기 dcrB 유전자는 서열번호 1의 염기서열로 이루어진 것이고,
상기 intS 유전자는 서열번호 10의 염기서열로 이루어진 것이고,
상기 yecE 유전자는 서열번호 19의 염기서열로 이루어진 것인,
변이 균주. - 제 1 항에 있어서,
상기 방향족 아미노산은 L-트립토판 및 L-페닐알라닌인,
변이 균주. - 제 1항에 있어서,
상기 변이 균주는 dcrB, intS, 및 yecE 중 적어도 하나의 유전자 전부 또는 일부가 삽입, 치환, 또는 결실된 것인,
변이 균주. - 제 1항에 있어서,
상기 변이 균주는 에스케리키아(Escherichia)속 균주인,
변이 균주. - 제 5 항에 있어서,
상기 에스케리키아속 균주는 대장균(Escherichia coli)인,
변이 균주. - 제 1 항의 변이 균주를 배지에서 배양하는 단계; 및
상기 배양된 변이 균주 및 배양 배지에서 방향족 아미노산을 회수하는 단계를 포함하는,
방향족 아미노산의 제조 방법. - 제 7 항에 있어서,
상기 방향족 아미노산은 L-트립토판인,
방향족 아미노산의 제조 방법.
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KR101830002B1 (ko) | 2016-10-11 | 2018-02-19 | 대상 주식회사 | 부기질의 공급 강화를 통한 l-트립토판이 과발현되는 균주 및 이를 이용하는 l-트립토판의 제조 방법 |
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KR101830002B1 (ko) | 2016-10-11 | 2018-02-19 | 대상 주식회사 | 부기질의 공급 강화를 통한 l-트립토판이 과발현되는 균주 및 이를 이용하는 l-트립토판의 제조 방법 |
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