KR20100088906A - 향상된 이노신 생산성을 갖는 미생물 및 이를 이용한 이노신의 생산방법 - Google Patents
향상된 이노신 생산성을 갖는 미생물 및 이를 이용한 이노신의 생산방법 Download PDFInfo
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- KR20100088906A KR20100088906A KR1020090008048A KR20090008048A KR20100088906A KR 20100088906 A KR20100088906 A KR 20100088906A KR 1020090008048 A KR1020090008048 A KR 1020090008048A KR 20090008048 A KR20090008048 A KR 20090008048A KR 20100088906 A KR20100088906 A KR 20100088906A
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- inosine
- corynebacterium
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- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/74—Vectors or expression systems specially adapted for prokaryotic hosts other than E. coli, e.g. Lactobacillus, Micromonospora
- C12N15/77—Vectors or expression systems specially adapted for prokaryotic hosts other than E. coli, e.g. Lactobacillus, Micromonospora for Corynebacterium; for Brevibacterium
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- C—CHEMISTRY; METALLURGY
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- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
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- C12P19/40—Nucleosides having a condensed ring system containing a six-membered ring having two nitrogen atoms in the same ring, e.g. purine nucleosides
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Abstract
Description
배지종류 | 배지 조성 |
영양배지 | 펩톤 1%, 육즙 1%, 염화나트륨 0.25%, 효모 추출물 1%, 아데닌 100mg/L, 구아닌 100mg/L, 한천 2%, pH 7.2 |
종배지 | 포도당 5%, 펩톤 0.5%, 육즙 0.5%, 염화나트륨 0.25%, 효모 추출물 1%, 아데닌 100mg/L, 구아닌 100mg/L, pH 7.2 |
발효배지 | 글루타민산나트륨 0.1%, 암모늄클로라이드 1%, 황산마그네슘 1.2%, 염화칼슘 0.01%, 황산철 20mg/L, 황산망간 20mg/L, 황산아연 20mg/L, 황산구리 5mg/L, L-시스테인 23mg/L, 알라닌 24mg/L, 니코틴산 8mg/L, 바이오틴 45ug/L, 티아민염산염 5mg/L, 아데닌 30mg/L, 인산(85%) 1.9%, 포도당 6%, pH 7.2 |
균주명 | 당 소모량(g/l) (배양 4일후) |
이노신 농도(%) (배양 4일후) |
대조군 (KCCM-10905) | 66 | 100 |
CN04-0198 | 66 | 108 |
배지종류 | 배지 조성 |
30L 종배지 | 포도당 6.3%, 효모추출물 1.5%, 인산 0.1%, 수산화칼륨 0.1%, 황산마그네슘 0.1%, 황산암모늄 0.5%, 황산철 20mg/l, 황산아연 10mg/l, 황산망간 10mg/l, L-시스테인 20mg/l, 칼슘판토테네이트 15mg/l, 티아민염산염 5mg/l, 바이오틴 60μg/l, 아데닌 400mg/l, 구아닌 250mg/l (pH 7.2) |
30L 발효배지 | 염화칼슘 100mg/l, 황산구리 6.4mg/l, 황산마그네슘 1.0%, 황산철 20mg/l, 황산아연 20mg/l, 황산망간 60mg/l, L-시스테인 22mg/l, 글루타민산 나트륨 0.1%, 티아민염산염 12.8mg/l, 바이오틴 90μg/l, 니코틴산 12.8mg/l, 알라닌 37.8mg/l, 효모 추출물 0.1%,아데닌 210mg/l, 인산(85%) 1.9%, 수산화칼륨 0.8%, 포도당 37% (pH 7.2) |
균주명 | 발효 시간 (hr) | 이노신 농도(%) |
대조군 (KCCM-10905) | 110 | 100 |
CN04-0198 (KCCM-10979) | 95 | 112 |
Claims (6)
- 양기능성 포스포리보실아미노이미다졸카르복사미드 포르밀트랜스퍼라아제/이노신 모노포스페이트(IMP) 시클로히드롤라아제의 활성이 모균주보다 증가된, 향상된 이노신 생산성을 갖는 코리네박테리움 속 미생물.
- 제1항에 있어서, 상기 양기능성 포스포리보실아미노이미다졸카르복사미드 포르밀트랜스퍼라아제/이노신 모노포스페이트(IMP) 시클로히드롤라아제의 활성 증가는 상기 효소를 코딩하는 purH 유전자의 SD(Shine-Dalgarno) 서열 내에 도입된 변이에 의해 증가된 번역 효율로부터 기인되는 것인 코리네박테리움 속 미생물.
- 제2항에 있어서, 상기 코리네박테리움 속 미생물에서 상기 양기능성 포스포리보실아미노이미다졸카르복사미드 포르밀트랜스퍼라아제/이노신 모노포스페이트(IMP) 시클로히드롤라아제는 서열번호 1의 폴리뉴클레오티드 서열을 갖는 purH 유전자에 의해 코딩되는 것인 코리네박테리움 속 미생물.
- 제1항에 있어서, 상기 코리네박테리움 속 미생물은 코리네박테리움 암모니아게네스인 것인 코리네박테리움 속 미생물.
- 제4항에 있어서, 상기 코리네박테리움 속 미생물은 코리네박테리움 암모니 아게네스 CN04-0198 (KCCM-10979)인 것인 코리네박테리움 속 미생물.
- 제1항 내지 제5항 중 어느 한 항에 따른 코리네박테리움 속 미생물을 배양하는 단계 및 상기 코리네박테리움 속 미생물의 배양액으로부터 이노신을 분리하는 단계를 포함하는, 이노신을 생산하는 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090008048A KR20100088906A (ko) | 2009-02-02 | 2009-02-02 | 향상된 이노신 생산성을 갖는 미생물 및 이를 이용한 이노신의 생산방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090008048A KR20100088906A (ko) | 2009-02-02 | 2009-02-02 | 향상된 이노신 생산성을 갖는 미생물 및 이를 이용한 이노신의 생산방법 |
Publications (1)
Publication Number | Publication Date |
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KR20100088906A true KR20100088906A (ko) | 2010-08-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020090008048A Ceased KR20100088906A (ko) | 2009-02-02 | 2009-02-02 | 향상된 이노신 생산성을 갖는 미생물 및 이를 이용한 이노신의 생산방법 |
Country Status (1)
Country | Link |
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KR (1) | KR20100088906A (ko) |
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2009
- 2009-02-02 KR KR1020090008048A patent/KR20100088906A/ko not_active Ceased
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