KR101724370B1 - Trsv 재조합 벡터 및 이의 용도 - Google Patents
Trsv 재조합 벡터 및 이의 용도 Download PDFInfo
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- KR101724370B1 KR101724370B1 KR1020160086897A KR20160086897A KR101724370B1 KR 101724370 B1 KR101724370 B1 KR 101724370B1 KR 1020160086897 A KR1020160086897 A KR 1020160086897A KR 20160086897 A KR20160086897 A KR 20160086897A KR 101724370 B1 KR101724370 B1 KR 101724370B1
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Abstract
Description
도 2는 TRSV-기반 발현 벡터를 이용한 GFP 발현을 담배에서 확인한 결과를 나타낸다. A. 접종된 담배 잎(Mock: 완충액-접종 담배 잎, TC2A: TC2A-접종 담배 잎, TC2AGFP: TC2AGFP-접종 담배 잎)을 자연광(상) 및 UV(하)에서 찍은 사진이다. B. 항GFP 항체를 통해 접종된 담배잎으로부터 추출한 총 단백질로부터 웨스턴 블롯으로 GFP 발현을 확인한 결과이다. 레인 1, mock; 레인 2, TC2A-접종; 레인3~6, TC2AGFP-접종 담배의 8th 내지 10th 잎(레인3-5) 또는 곁눈(axillary bud)(레인6).
도 3은 담배에서 TRSV 발현 벡터를 이용한 NbPDS 유전자 침묵 현상을 확인한 결과를 나타낸다. A는 TSNbPDS 접종 후 23일 경과된 담배 사진 및 semi-q RT-PCR를 이용한 NbPDS 전사체 발현을 확인한 결과를 나타낸다. B는 TC2ASNbPDS 접종 후 30일 경과된 담배 사진 및 semi-q RT-PCR를 이용한 NbPDS 전사체 발현을 확인한 결과를 나타낸다.
도 4는 담배에서 단일 벡터를 이용한 GFP 발현 및 NbPDS 유전자 침묵 현상을 확인한 결과를 나타낸다. TC2ASGFPNbPDS215 또는 TC2ASGFPNbPDS215a 벡터 접종 후 자연광 또는 UV에서 8일 및 30일 경과된 담배를 찍은 사진이다.
도 5는 TRSV 발현 벡터를 애기장대에서 즙액 접종 후 AtPDS 유전자 침묵 현상을 확인한 결과를 나타낸다. A는 TSAtPDS250(좌) 및 TSAtPDS250a(우) 접종 14일 경과 후 애기장대 사진이다. B. TSAtPDS250 (right) 및 TS 접종 후 애기장대 줄기, 곁눈 및 꽃받침(sepal) 사진. C. TS(좌), TSAtPDS250(중) 및 TSAtPDS250a(우) 접종 37일 경과 후 애기장대 사진. D. TS(좌) 및 TSAtPDS250a(우) 접종 후 애기장대 실리크(silique) 사진. E. semi-q RT-PCR를 이용한 AtPDS 전사체 발현을 확인한 결과.
도 6은 다양한 박과 식물에서의 TSCuPDS 벡터 접종 후 CuPDS 유전자 침묵 현상을 확인한 결과를 나타낸다. A는 멜론(상)(21dpi), 참외(중)(23dpi) 및 오이(하)(34dpi)의 TSCuPDS 벡터 접종 후 사진이다. B. semi-q RT-PCR를 이용한 CuPDS 전사체 발현을 확인한 결과.
도 7은 각 담배(A), 멜론(B의 상) 및 참외(B의 하)의 꽃과 오이 열매(C)에서의 PDS 유전자의 바이러스 유도 유전자 침묵 현상을 확인한 결과를 나타낸다.
도 8은 콩류 식물의 GmPDS 유전자의 바이러스 유도 유전자 침묵 현상을 확인한 결과를 나타낸다. A는 대두 '윌리엄스 82(williams 82)' 품종(상)과 야생형(하)의 TS(좌), TGmPDS209(중) 및 TGmPDS209a(우) 벡터의 즙액 접종 후 사진이다. B. semi-q RT-PCR를 이용한 GmPDS 전사체 발현을 확인한 결과.
Claims (15)
- TRSV(tobacco ringspot virus) RNA2의 P2A(protein 2A) 코딩 유전자; MP(movement protein) 코딩 유전자; MP(movement protein) 코딩 유전자 및 CP(coat protein) 코딩 유전자 사이의 절단부위(cleavage site); 상기 절단부위의 하부에 위치하는 발현시키고자 하는 외래 유전자를 삽입할 수 있는 MCS1(multiple cloning site1); 상기 MCS1의 하부에 위치하는 자가 절단성 펩티드를 코딩하는 서열; CP(coat protein) 코딩 유전자; CP의 하부에 위치하는 침묵시키고자 하는 목적 유전자를 삽입할 수 있는 MCS2(multiple cloning site2);을 포함하는 카세트를 포함하는 TRSV RNA2 재조합 벡터.
- 제1항에 있어서, 상기 카세트는 서열번호 1의 염기 서열로 이루어진 것을 특징으로 하는 재조합 벡터.
- 제1항에 있어서, 상기 발현시키고자 하는 외래 유전자는 유용 단백질을 코딩하는 핵산 서열인 것을 특징으로 하는 재조합 벡터.
- 제1항에 있어서, 상기 침묵시키고자 하는 목적 유전자는 센스 또는 안티센스 방향으로 삽입되는 것을 특징으로 하는 재조합 벡터.
- (1) TRSV(tobacco ringspot virus) RNA1의 폴리프로테인(polyprotein) 코딩 유전자를 포함하는 TRSV RNA1 재조합 벡터를 제조하는 단계;
(2) 제1항의 TRSV RNA2 재조합 벡터에 발현시키고자 하는 외래 유전자를 MCS1(multiple cloning site1)에 삽입하여 TRSV RNA2 재조합 벡터를 제조하는 단계;
(3) 상기 (1) 및 (2) 단계에서 제조된 각각의 재조합 벡터로 아그로박테리움을 형질전환하여 각각의 형질전환체를 얻는 단계; 및
(4) 상기 각각의 아그로박테리움 형질전환체의 혼합액을 식물체에 인필트레이션(infiltration) 또는 즙액 접종(sap inoculation)하는 단계;를 포함하는 식물체 내에서의 외래 유전자를 과발현시키는 방법. - 제5항에 있어서, 상기 TRSV(tobacco ringspot virus) RNA1의 폴리프로테인(polyprotein) 코딩 유전자는 서열번호 2의 염기 서열로 이루어진 것을 특징으로 하는 방법.
- 제5항에 있어서, 상기 식물체는 담배, 애기장대, 박과식물 및 콩과 식물로 이루어진 군 중에서 선택되는 것을 특징으로 하는 방법.
- (1) TRSV(tobacco ringspot virus) RNA1의 폴리프로테인(polyprotein) 코딩 유전자를 포함하는 TRSV RNA1 재조합 벡터를 제조하는 단계;
(2) 제1항의 TRSV RNA2 재조합 벡터에 침묵시키고자 하는 목적 유전자를 MCS2(multiple cloning site2)에 삽입하여 TRSV RNA2 재조합 벡터를 제조하는 단계;
(3) 상기 (1) 및 (2) 단계에서 제조된 각각의 재조합 벡터로 아그로박테리움을 형질전환하여 각각의 형질전환체를 얻는 단계; 및
(4) 상기 각각의 아그로박테리움 형질전환체의 혼합액을 식물체에 인필트레이션(infiltration) 또는 즙액 접종(sap inoculation)하는 단계;를 포함하는 식물체 내에서의 목적 유전자를 침묵시키는 방법. - (1) TRSV(tobacco ringspot virus) RNA1의 폴리프로테인(polyprotein) 코딩 유전자를 포함하는 TRSV RNA1 재조합 벡터를 제조하는 단계;
(2) 제1항의 TRSV RNA2 재조합 벡터에 발현시키고자 하는 외래 유전자를 MCS1(multiple cloning site1)에 삽입하고, 침묵시키고자 하는 목적 유전자를 MCS2(multiple cloning site2)에 삽입하여 TRSV RNA2 재조합 벡터를 제조하는 단계;
(3) 상기 (1) 및 (2) 단계에서 제조된 각각의 재조합 벡터로 아그로박테리움을 형질전환하여 각각의 형질전환체를 얻는 단계; 및
(4) 상기 각각의 아그로박테리움 형질전환체의 혼합액을 식물체에 인필트레이션(infiltration) 또는 즙액 접종(sap inoculation)하는 단계;를 포함하는 식물체 내에서의 외래 유전자를 과발현시키고 목적 유전자를 침묵시키는 방법. - (1) TRSV(tobacco ringspot virus) RNA1의 폴리프로테인(polyprotein) 코딩 유전자를 포함하는 TRSV RNA1 재조합 벡터를 제조하는 단계;
(2) 제1항의 TRSV RNA2 재조합 벡터에 발현시키고자 하는 외래 유전자를 MCS1(multiple cloning site1)에 삽입하여 TRSV RNA2 재조합 벡터를 제조하는 단계;
(3) 상기 (1) 및 (2) 단계에서 제조된 각각의 재조합 벡터로 아그로박테리움(Agrobacterium)를 형질전환하여 각각의 형질전환체를 얻는 단계; 및
(4) 상기 각각의 아그로박테리움(Agrobacterium) 형질전환체의 혼합액을 식물체에 인필트레이션(infiltration) 또는 즙액 접종(sap inoculation)하는 단계;를 포함하는 외래 유전자가 과발현된 식물체의 제조방법. - 제10항의 방법에 의해 제조된 외래 유전자가 과발현된 식물체.
- (1) TRSV(tobacco ringspot virus) RNA1의 폴리프로테인(polyprotein) 코딩 유전자를 포함하는 TRSV RNA1 재조합 벡터를 제조하는 단계;
(2) 제1항의 TRSV RNA2 재조합 벡터에 침묵시키고자 하는 목적 유전자를 MCS2(multiple cloning site2)에 삽입하여 TRSV RNA2 재조합 벡터를 제조하는 단계;
(3) 상기 (1) 및 (2) 단계에서 제조된 각각의 재조합 벡터로 아그로박테리움(Agrobacterium)를 형질전환하여 각각의 형질전환체를 얻는 단계; 및
(4) 상기 각각의 아그로박테리움(Agrobacterium) 형질전환체의 혼합액을 식물체에 인필트레이션(infiltration) 또는 즙액 접종(sap inoculation)하는 단계;를 포함하는 목적 유전자가 침묵된 식물체의 제조방법. - 제12항의 방법에 의해 제조된 목적 유전자가 침묵된 식물체.
- (1) TRSV(tobacco ringspot virus) RNA1의 폴리프로테인(polyprotein) 코딩 유전자를 포함하는 TRSV RNA1 재조합 벡터를 제조하는 단계;
(2) 제1항의 TRSV RNA2 재조합 벡터에 발현시키고자 하는 외래 유전자를 MCS1(multiple cloning site1)에 삽입하고, 침묵시키고자 하는 목적 유전자를 MCS2(multiple cloning site2)에 삽입하여 TRSV RNA2 재조합 벡터를 제조하는 단계;
(3) 상기 (1) 및 (2) 단계에서 제조된 각각의 재조합 벡터로 아그로박테리움을 형질전환하여 각각의 형질전환체를 얻는 단계; 및
(4) 상기 각각의 아그로박테리움 형질전환체의 혼합액을 식물체에 인필트레이션(infiltration) 또는 즙액 접종(sap inoculation)하는 단계;를 포함하는 외래 유전자가 과발현되고, 목적 유전자가 침묵된 식물체의 제조방법. - 제14항의 방법에 의해 제조된 외래 유전자가 과발현되고, 목적 유전자가 침묵된 식물체.
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