Journal of Sericultural and Entomological Science (한국잠사곤충학회지)

Korean Society of Sericultural Science (한국잠사학회)
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A Study on the Development of an Early Embryonic Gene of the Silkworm, Bombyx mori

누에 배형성기 초기 발현 유전자 개발 연구

  • Choi, Kwang-Ho (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA) ;
  • Goo, Tae-Won (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA) ;
  • Kim, Seong-Ryul (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA) ;
  • Park, Seung-Won (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA) ;
  • Kim, Sung-Wan (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA) ;
  • Kang, Seok-Woo (Sericultural & Apicultural Materials Division, National Academy of Agricultural Science, RDA)
  • 최광호 (농촌진흥청 국립농업과학원 잠사양봉소재과) ;
  • 구태원 (농촌진흥청 국립농업과학원 잠사양봉소재과) ;
  • 김성렬 (농촌진흥청 국립농업과학원 잠사양봉소재과) ;
  • 박승원 (농촌진흥청 국립농업과학원 잠사양봉소재과) ;
  • 김성완 (농촌진흥청 국립농업과학원 잠사양봉소재과) ;
  • 강석우 (농촌진흥청 국립농업과학원 잠사양봉소재과)
  • Received : 2012.04.18
  • Accepted : 2012.10.15
  • Published : 2012.12.30
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Abstract

This study was aimed for a development of a useful gene promoter which has a transcript expressional specificity in the early embryonic period of the silkworm, Bombyx mori. To select a useful gene expressed in the early embryonic stage, we constructed and analyzed a PCR-base subtraction cDNA library. In subtractive hybridization analysis, we confirmed four clones as differently expressed genes(BmNanos-like, BmNanos-P, BmNanos-O, BmVasa mRNAs). Northern hybridization and real time PCR results reveled that the BmNanos-like gene promoter is suitable for the silkworm transgenic vector system. Further defined studies on molecular functions and biological roles of their promoters will give us well-fined information and its application.

본 연구는 누에 배자 발생 초기 특이 발현 유전자 프로모터를 개발하기 위한 연구의 일환으로 추진하였다. 누에 초기 및 후기 배자로 부터 분리한 mRNA를 사용하여 subtractive hybridization 분석법으로 누에 배자 발생 초기 특이 발현 유전자 4종을 선발할 수 있었다. 선발된 4종 유전자는 각각 BmNanos protein mRNA, BmNanos-P protein mRNA, BmNanos-O protein mRNA 및 BmVasa protein mRNA 유전자와 매우 높은 상동성을 보였다. 또한, 본 연구에서는 Northern hybridization 분석 및 real time PCR 분석을 통하여 배자 초기에 특이적으로 고발현하는 BmNanos-like 등 4개 선발 유전자의 발현 특성을 확인하였다. 이러한 결과는 추후 추진 할 누에 형질전환용 전이벡터의 효율성 제고를 위한 연구에 활용될 것으로 기대된다.

Keywords

References

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