KR100677828B1 - OmpF와 목적단백질의 동시 발현을 통한 목적 단백질의세포외 분비·생산 방법 - Google Patents
OmpF와 목적단백질의 동시 발현을 통한 목적 단백질의세포외 분비·생산 방법 Download PDFInfo
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Abstract
Description
재조합 대장균 | 알칼라인 포스파타제 활성도 (U/mL) |
대장균 BL21(DE3) | 검출되지 않음 |
대장균 BL21(DE3) (pTrcS1PhoA), 0.1 mM induction | 검출되지 않음 |
대장균 BL21(DE3) (pTrcS1PhoA, pACYC-OmpF), 0.1 mM induction | 7500 |
대장균 BL21(DE3) (pTrcS1PhoA, pACYC-OmpF), 0.01 mM induction | 7800 |
Claims (16)
- OmpF를 코딩하는 유전자를 함유하는 재조합벡터와 목적단백질을 코딩하는 유전자를 함유하고 상기 목적단백질을 미생물의 주변세포질로 분비·발현시킬 수 있는 재조합벡터로 동시에 형질전환되고, OmpF를 코딩하는 유전자와 목적단백질을 코딩하는 유전자가 동시에 발현되어, 목적단백질을 세포밖(배양액)으로 분비·생산할 수 있는 특성을 가지는 재조합 미생물.
- OmpF를 코딩하는 유전자를 발현시킬 수 있도록 OmpF를 코딩하는 유전자와 그 프로모터를 크로모좀에 도입한 재조합 미생물에 목적단백질을 코딩하는 유전자를 함유하고 상기 목적단백질을 미생물의 주변세포질로 분비·발현시킬 수 있는 재조합벡터를 도입하여 수득되고, OmpF를 코딩하는 유전자와 목적단백질을 코딩하는 유전자가 동시에 발현되어, 목적단백질을 세포밖(배양액)으로 분비·생산할 수 있는 특성을 가지는 재조합 미생물.
- 제1항에 있어서, OmpF를 코딩하는 유전자를 함유하는 재조합벡터와 목적 단백질을 코딩하는 유전자를 함유하는 재조합벡터는 실질적으로 같은 조건에서 발현되는 오리진을 가지는 것을 특징으로 하는 재조합 미생물.
- 제1항에 있어서, OmpF를 코딩하는 유전자를 함유하는 재조합벡터 및 목적단백질을 코딩하는 유전자를 함유하는 재조합 벡터는 각각 p15A 및 ColE1 오리진을 가지는 것을 특징으로 하는 재조합 미생물.
- 제1항에 있어서, OmpF를 코딩하는 유전자를 함유하는 재조합벡터는 OmpF 자체 프로모터를 가지는 것을 특징으로 하는 재조합 미생물.
- 제1항에 있어서, OmpF를 코딩하는 유전자를 함유하는 재조합벡터는 pACYC-OmpF인 것을 특징으로 하는 재조합 미생물.
- 제1항 또는 제2항에 있어서, OmpF를 코딩하는 유전자는 대장균 유래인 것을 특징으로 하는 재조합 미생물.
- 제1항 또는 제2항에 있어서, 대장균인 것을 특징으로 하는 재조합 미생물.
- 다음의 단계를 포함하는 목적단백질의 세포외 분비·생산 방법:(a) 제1항 내지 제6항 중 어느 한 항의 재조합 미생물을 배양하여 목적단백질을 세포 밖(배양액)으로 분비시키는 단계; 및(b) 상기 배양액으로부터 목적단백질을 회수하는 단계.
- 제9항에 있어서, 상기 (a) 단계는 미생물의 용해(lysis)를 수반하지 않는 조건에서 수행하는 것을 특징으로 하는 방법.
- 목적단백질을 코딩하는 유전자를 함유하고 상기 목적단백질을 미생물의 주변 세포질로 분비·발현시킬 수 있는 벡터에 OmpF를 코딩하는 유전자를 도입하여 제작되고, 발현시 OmpF를 코딩하는 유전자와 목적단백질을 코딩하는 유전자가 동시에 독립적으로 발현되어 목적단백질을 세포밖(배양액)으로 분비시킬 수 있는 특성을 가지는 재조합벡터.
- 제11항에 있어서, OmpF를 코딩하는 유전자는 대장균 유래인 것을 특징으로 하는 재조합벡터.
- 제11항의 재조합벡터로 형질전환된 미생물.
- 제13항에 있어서, 대장균인 것을 특징으로 하는 미생물.
- 다음의 단계를 포함하는 목적단백질의 세포외 분비·생산 방법:(a) 제13항 또는 제14항의 미생물을 배양하여 목적단백질을 세포 밖(배양액)으로 분비시키는 단계; 및(b) 상기 배양액으로부터 목적단백질을 회수하는 단계.
- 제15항에 있어서, 상기 (a) 단계는 미생물의 용해(lysis)를 수반하지 않는 조건에서 수행하는 것을 특징으로 하는 방법.
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KR100844992B1 (ko) * | 2007-01-02 | 2008-07-08 | 한국과학기술원 | OmpF와 인체 유래 상피세포성장인자의 동시 발현을통한 인체 유래 상피세포성장인자의 세포외 분비·생산 방법 |
KR101145911B1 (ko) * | 2008-12-22 | 2012-05-15 | 한국화학연구원 | 대장균의 외막단백질 OmpW를 이용한 목적단백질의 표면발현 방법 |
KR102142255B1 (ko) * | 2019-12-05 | 2020-08-07 | 주식회사 제노포커스 | Crm197 단백질 발현 방법 |
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US5958754A (en) | 1987-04-23 | 1999-09-28 | Monsanto Company | Secretion of insulin-like growth factor-I in E. coli |
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US5958754A (en) | 1987-04-23 | 1999-09-28 | Monsanto Company | Secretion of insulin-like growth factor-I in E. coli |
KR20030014959A (ko) * | 2001-08-14 | 2003-02-20 | 한국과학기술원 | OmpF를 이용하여 목적 단백질을 대장균 세포외로분비생산하는 방법 |
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