미생물학회지 (Korean Journal of Microbiology)

  • 제41권4호
  • /
  • Pages.287-292
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  • 2005
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  • 0440-2413(pISSN)
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  • 2383-9902(eISSN)
한국미생물학회 (The Microbiological Society of Korea)
권호 표지

cpcBA-Intergenic Spacer Region을 이용한 Cyanobacteria의 다양성 분석

Cyanobacterial Diversity Analysis Using cpcBA-Intergenic Spacer Region

  • 최강국 (한국생명공학연구원 생물자원센터) ;
  • 박용하 (한국생명공학연구원 생물자원센터) ;
  • 안치용 (한국생명공학연구원 환경생명공학연구실) ;
  • 배명숙 (한국생명공학연구원 환경생명공학연구실) ;
  • 오희목 (한국생명공학연구원 환경생명공학연구실)
  • Choi Gang-Guk (Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology) ;
  • Park Yong-Ha (Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology) ;
  • Ahn Chi-Yong (Environmental Biotechnology Laboratory, Korea Research Institute of Bioscience and Biotechnology) ;
  • Bae Myoung-Sook (Environmental Biotechnology Laboratory, Korea Research Institute of Bioscience and Biotechnology) ;
  • Oh Hee-Mock (Environmental Biotechnology Laboratory, Korea Research Institute of Bioscience and Biotechnology)
  • 발행 : 2005.12.01
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초록

대청호에서 수화 발생이 빈번한 추소리 수역에서 2005년 3월 15일에 채취한 시료를 대상으로 유전자 분식에 의한 cyanobacteria의 다양성을 조사하였다. rpcBA-Intergenic Spacer (IGS)는 cyanobacteria에 특징적 색소인 phycocyanin을 합성하는 유전자와 유전자 사이의 부분으로, 환경시료에서 cyanobacteria의 다양성을 조사하기에 매우 유용한 기능 유전자이다. cpcBA-IGS를 이용하여 restriction fragment length polymorphism (RELP)으로 cyanobacteria의 다양성을 분석한 결과 Phomidium 속은 58 clones, Anabaena 속은 14 clones, Microcyxtis 속은 4 clones, Spirulina 속은 1 clone 그리고 uncultured cyanobacteria 2 clones가 존재하였다. 전반적으로 Phormidium 속이 우점하였으며, 여름철에 수화를 일으키는 Anabaena 속과 Microcystis 속도 많이 분포하였다. 따라서 cyanobacteria는 cpcBA-IGS와 같은 기능 유전자에 의한 종 동정 및 군집분석이 가능함을 보였다.

The cyanobacterial diversity was analyzed by restriction fragment length polymorphism (RFLP) of PCR-amplified rpcBA-Intergenic Spacer (IGS) genes and cpcBA-IGS gene sequencing with a sample collected at Chuso-ri in Daechung Reservoir on March 15, 2005, The Shannon-Weiner diversity index was 0.65, indicating that the cyanobacterial community structure was simple. PCR-RFLP profiles obtained were Phormidium spp. (58 clones), Anabaena spp. (14 clones), Microcystis spp. (4 clones), Spirulina sp. (1 clone) and uncultured cyanobacteria (2 clones). The PCR-RFLP of cpcBA-IGS revealed that Phormidium spp. and Anabaena spp. dominated in the invested sample. As a consequence, it seems that the analysis of functional genes such as cpcBA-IGS can be used for the species identification and community analysis of cyanobacteria.

키워드

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