KR101480153B1 - 멜리틴 항생펩타이드를 함유한 누에고치를 생산하는 형질전환 누에 - Google Patents
멜리틴 항생펩타이드를 함유한 누에고치를 생산하는 형질전환 누에 Download PDFInfo
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Abstract
Description
도 2는 G2 형질전환 누에의 EGFP의 형광을 나타내는 그림이다.
A는 알의 경우, 2세대 5령 배아의 눈 및 복부 신경계에서 형광이 나타나는 것을 보여준다. 이때, 화살표는 눈 및 신경계를 표시한다.
B는 유충의 경우, 2세대 5령충의 눈에서 형광이 나타나는 것을 보여준다. 이때, 화살표는 눈을 표시한다.
C는 번데기의 경우, 눈에서 형광이 나타나는 것을 보여준다. 이때, 화살표는 눈을 표시한다.
D는 성충의 경우, 눈에서 형광이 나타나는 것을 보여준다. 이때, 화살표는 눈을 표시한다.
도 3은 G2 형질전환 누에에서 RT-PCR을 이용하여 멜리틴 유전자를 분석한 결과를 나타내는 그림이다. 이때, 레인 M은 1 kb 단계 DNA 마커를 나타내고, 레인 1은 cFibH-Melitinx5의 PCR 산물을 나타낸다.
주입된 배아 | 부화된 배아 | G0 아구(brood) | EGFP 양성을 갖는 G1 아구 |
1800 마리 | 446 마리 | 62 마리 | 12마리 |
Claims (12)
- 표지 유전자 조절 프로모터, 표지 유전자, 누에 유래의 피브로인(Fibroin) 프로모터 및 봉독 유래의 멜리틴(melittin) 유전자가 작동가능하게 연결된 유전자 컨스트럭트를 포함하되,
상기 멜리틴 유전자는 서열번호 1의 염기서열로 구성된 것을 특징으로 하는
재조합 발현벡터.
- 삭제
- 제 1항에 있어서, 상기 멜리틴 유전자는 1번 또는 2번 이상 반복하여 도입되는 것을 특징으로 하는 재조합 발현벡터.
- 제 1항에 있어서, 상기 표지 유전자 조절 프로모터는 3xP3 프로모터인 것을 특징으로 하는 재조합 발현벡터.
- 제 1항에 있어서, 상기 표지 유전자는 EGFP(green fluorescent protein) 유전자인 것을 특징으로 하는 재조합 발현벡터.
- 제 1항에 있어서, 상기 유전자 컨스트럭트는 도 1의 구조로 구성되는 것을 특징으로 하는 재조합 발현벡터.
- 제 1항에 있어서, 상기 발현벡터는 piggyBac 벡터인 것을 특징으로 하는 재조합 발현벡터.
- 제 1항 또는, 제 3항 내지 제 7항 중 어느 한 항의 재조합 발현벡터를 누에(Bombyx mori) 또는 누에알에 형질전환시켜 제조한, 실크내 멜리틴이 발현되는 형질전환 누에.
- 1) 제 1항 또는, 제 3항 내지 제 7항 중 어느 한 항의 재조합 발현벡터를 제조하는 단계;
2) 상기 단계 1)의 재조합 발현벡터를 누에알에 형질전환시켜 형질전환된 누에알을 제조하는 단계; 및
3) 상기 단계 2)의 형질전환된 누에알을 부화시켜 형질전환 누에를 제조하는 단계를 포함하는 실크내 멜리틴이 발현되는 형질전환 누에의 제조방법.
- 제 9항에 있어서, 상기 단계 2)의 형질전환은 미세주입법(microinjection)을 이용하는 것을 특징으로 하는 실크내 멜리틴이 발현되는 형질전환 누에의 제조방법.
- 제 9항에 있어서, 상기 단계 3)에 있어서 하기 중 하나의 방법으로 형질전환 누에를 선발하는 단계를 추가적으로 포함하는 것을 특징으로 하는 실크내 멜리틴이 발현되는 형질전환 누에의 제조방법:
i) 발현벡터에 표지 유전자를 도입한 후, 형질전환 누에에서 상기 표지 유전자의 발현을 확인하는 방법; 또는
ii) 형질전환 누에에서 멜리틴 유전자의 발현을 확인하는 방법.
- 1) 제 1항 또는, 제 3항 내지 제 7항 중 어느 한 항의 재조합 발현벡터를 제조하는 단계;
2) 상기 단계 1)의 재조합 발현벡터를 누에 또는 누에알에 형질전환시켜 형질전환 누에를 제조하는 단계; 및
3) 상기 단계 2)의 형질전환된 누에를 사육하여 누에고치를 획득하는 단계를 포함하는 멜리틴 항생펩타이드가 함유된 누에고치의 대량 생산방법.
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