누에를 이용한 환경 변이원 검색계 재선

Improvement of a Screening System for Environmental Mutagens by Means of a Specific Locus Mutation of the Silkworm, Bombyx mori

  • 발행 : 2006.12.30

초록

누에의 가시 돌연변이 형질을 이용한 환경변이원 검색계 수립을 위하여 MMC, EMS, PCB에 대한 누에알 변이원 검색계의 감수성을 조사한 결과, 난모세포계는 MMC, 정세포계는 EMS에 대하여 특정적으로 높은 감수성을 보였고, PCB와 dioxin에 대해서도 양성반응을 얻을 수 있었다. 수나방의 사정횟수에 따른 정세포의 변이원 감수성 변화를 시험한 결과, 1교와 3교 때 사정된 정자 간에는 큰 차이가 없었다. 변이원 감수성은 높으나, 산란성, 우화율 등 검색계로서 주요형질이 극히 불량한 선3호는 C5, Nl2, 한삼면과의 교잡으로 주요형질이 개선되고 높은 변이원 감수성을 유지하였다.

키워드

변이원성;누에;특정좌위 돌연변이;알색

참고문헌

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