KR101300177B1 - 극지 효모 유래 결빙방지단백질의 대량 생산방법 - Google Patents
극지 효모 유래 결빙방지단백질의 대량 생산방법 Download PDFInfo
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- KR101300177B1 KR101300177B1 KR1020110044852A KR20110044852A KR101300177B1 KR 101300177 B1 KR101300177 B1 KR 101300177B1 KR 1020110044852 A KR1020110044852 A KR 1020110044852A KR 20110044852 A KR20110044852 A KR 20110044852A KR 101300177 B1 KR101300177 B1 KR 101300177B1
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Abstract
Description
도 2는 루코스포리듐 속 (Leucosporidium sp.) AY30 결빙방지단백질의 DNA 서열과 본 발명에 따른 코돈 최적화 작업의 결과로 얻어진 재조합 폴리뉴클레오타이드 서열(Syn_AY30) 과의 대응(alignment) 서열을 나타낸다.
도 3 및 도 4는 본 발명에 따른 형질전환체를 배양한 결과 배양된 세포의 양을 나타낸 그래프로서, 도 3은 배양 시간의 경과에 따른 광학 밀도(OD)를, 도 4는 세포 건조 중량(DCW)을 나타낸다.
도 5는 본 발명에 따른 형질전환체를 배양한 결과 얻어진 배양액의 총단백질 함량을 측정한 결과를 나타낸 그래프이다.
도 6 내지 도 8은 배양 온도에 따른 재조합 AY30 결빙방지단백질의 발현 양상을 비교한 사진으로서, 도 6은 30℃에서의 발현 양상을, 도 7은 25℃에서의 발현 양상을, 도 8은 20℃에서의 발현 양상을 각각 나타낸다.
도 9 및 도 10은 재조합 AY30 결빙방지단백질이 쿠마시 염색(coomassie staining)과 파스 염색(PAS staining)을 통해 글리코실화되었는지 여부를 확인한 사진이다.
1: 자연형(native) AY30 결빙방지단백질;
2 및 3: 박테리아 발현시스템으로 생산된(Bacterial expressed) 재조합 AY30 결빙방지단백질;
4: 피키아 파스토리 ( Pichia pastoris) 발현시스템으로 생산된 재조합 AY30 결빙방지단백질
도 11은 AFP의 antibody를 이용한 western blot 실험 결과를 나타낸 것이며,
1: 자연형 AY30 결빙방지단백질;
2 및 3: 박테리아 발현시스템으로 생산된 재조합 AY30 결빙방지단백질;
4: 피키아 파스토리 ( Pichia pastoris) 발현시스템으로 생산된 재조합 AY30 결빙방지단백질
도 12 및 도 13은 본 발명에 따른 재조합 AY30 결빙방지단백질이 얼음결정의 성장을 억제하고 있는 형태를 오스모미터 나노미터 기기로 관찰한 사진이며, 도 12는 30℃에서 도 13은 25℃에서 배양하여 수득한 재조합 AY30 결빙방지단백질이다.
도 14는 배양 온도 조건별로 결빙방지 활성을 나타낸 그래프이다.
0 | 24 | 48 | 72 | 96 | 120 | 144 | 168 | |
30℃ | 0.080 | 0.303 | 0.363 | 0.317 | 0.407 | 0.393 | 0.413 | 0.370 |
25℃ | 0.070 | 0.307 | 0.453 | 0.320 | 0.403 | 0.407 | 0.403 | 0.355 |
Claims (4)
- (i) 서열 번호 1의 염기서열을 포함하는 폴리뉴클레오타이드를 합성하는
단계;
(ii) (i)의 폴리뉴클레오타이드를 피키아 파스토리(Pichia pastoris) 유래의 알콜 옥시다제 프로모터를 이용하는 발현 벡터에 도입하는 단계,
(iii) 상기 재조합 발현벡터로 형질전환시킨 피키아 파스토리(Pichia pastoris) 형질전환체를 배양하는 단계; 및
(iv) 상기 (iii)단계로부터 배양액을 수득하는 단계를 포함하는 극지 효모 유래 결빙방지 단백질 또는 이를 함유하는 배양액의 대량 생산방법.
- 청구항 1에 있어서, 상기 (ii)에서 피키아 파스토리(Pichia pastoris) 유래의 알콜 옥시다제 프로모터를 이용하는 발현벡터는 pPICZαA인 대량 생산방법.
- 청구항 1 있어서, 상기 (ⅲ) 의 재조합 발현벡터는 pPICZαA-AY30(수탁번호:KCTC11917BP)인 대량 생산방법.
- 결빙방지 단백질을 발현하는 서열 번호 1의 염기서열을 포함하는 폴리뉴클레오타이드.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020110044852A KR101300177B1 (ko) | 2011-05-13 | 2011-05-13 | 극지 효모 유래 결빙방지단백질의 대량 생산방법 |
PCT/KR2011/003647 WO2012157794A1 (ko) | 2011-05-13 | 2011-05-17 | 극지 효모 유래 결빙방지단백질의 대량 생산방법 |
US14/117,225 US9012179B2 (en) | 2011-05-13 | 2011-05-17 | Method for mass-producing antifreeze protein derived from polar yeast |
JP2014510228A JP5824139B2 (ja) | 2011-05-13 | 2011-05-17 | 極地酵母由来の結氷防止タンパク質の大量生産方法 |
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KR1020110044852A KR101300177B1 (ko) | 2011-05-13 | 2011-05-13 | 극지 효모 유래 결빙방지단백질의 대량 생산방법 |
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KR20120126794A KR20120126794A (ko) | 2012-11-21 |
KR101300177B1 true KR101300177B1 (ko) | 2013-08-26 |
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US (1) | US9012179B2 (ko) |
JP (1) | JP5824139B2 (ko) |
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WO (1) | WO2012157794A1 (ko) |
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DK3077517T3 (en) * | 2013-12-02 | 2019-02-11 | Dsm Ip Assets Bv | ISSTRUCTURING PROTEIN |
AU2016273208B2 (en) * | 2015-06-02 | 2021-01-21 | Dsm Ip Assets B.V. | Use of ice structuring protein AFP19 expressed in filamentous fungal strains for preparing food |
US11149061B2 (en) * | 2019-01-02 | 2021-10-19 | The Board Of Trustees Of The California State University | Methods for purifying and/or producing anti-freeze proteins |
KR102814676B1 (ko) * | 2024-08-01 | 2025-05-29 | 주식회사 바렘 | 곤충 유래 결빙방지 단백질 추출물을 유효성분으로 포함하는 결빙방지 조성물 |
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KR20100137056A (ko) * | 2009-06-22 | 2010-12-30 | 한국해양연구원 | 루코스포리디움 속 미생물의 결빙방지 단백질 유전자, 그를 포함하는 재조합 벡터 및 그 유전자로 암호화된 단백질 |
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- 2011-05-17 JP JP2014510228A patent/JP5824139B2/ja active Active
- 2011-05-17 WO PCT/KR2011/003647 patent/WO2012157794A1/ko active Application Filing
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KR20100137056A (ko) * | 2009-06-22 | 2010-12-30 | 한국해양연구원 | 루코스포리디움 속 미생물의 결빙방지 단백질 유전자, 그를 포함하는 재조합 벡터 및 그 유전자로 암호화된 단백질 |
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Publication number | Publication date |
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KR20120126794A (ko) | 2012-11-21 |
WO2012157794A1 (ko) | 2012-11-22 |
US20140193854A1 (en) | 2014-07-10 |
JP2014513980A (ja) | 2014-06-19 |
JP5824139B2 (ja) | 2015-11-25 |
US9012179B2 (en) | 2015-04-21 |
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