Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Identification and Phylogenetic Relationship at Cytochrome Oxidase Subunit I (COI) Gene among Korean Terrestrial Planarian Taxa

한국 내 육지플라나리아 간 치토크롬 산화효소의 동정과 계통유전학적 관계

  • Moon, Doo-Ho (Pusan National University, Biological Education) ;
  • Lee, Young-Ah (Pusan National University, Biological Education) ;
  • Huh, Man-Kyu (Department of Molecular Biology, Dongeui University)
  • 문두호 (부산대학과 생물교육학과) ;
  • 이영아 (부산대학과 생물교육학과) ;
  • 허만규 (동의대학교 분자생물학과)
  • Received : 2011.04.14
  • Accepted : 2011.06.10
  • Published : 2011.07.30
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Abstract

Sequence data of Cytochrome Oxidase Subunit I (COI) gene of mitochondria were used to elucidate the taxonomy and phylogenetic relationships of the terrestrial planarian taxa in Korea. Published COI gene sequences from Family Bipaliidae in GenBank were also included in the phylogenetic analysis. The aligned data sets for Terricola ranged from 387 to 444 nucleotides (bp) as a result of differences in insert nucleotides. The phylogeny based on COI analysis was not congruenced with the morphological traits. Bipalium nobile included the remainder taxa (Bipalium adventitium, Bipalium venosum, Bipalium kewense, and Bipalium multilineatum). Internal nodes were strongly supported (>91%). The phylogenetic tree on COI analysis showed that most identified species were well separated from each other. The main phylogenetic analysis formed monophyletic groups. COI gene of mitochondria could have the resolving power for taxonomy information for the terrestrial planarian taxa in Korea.

미토콘드리아 산화효소(COI) 유전자의 서열을 이용하여 한국 내 육지플라나리아의 분류와 계통관계를 규명하였다. 유전자은행에서 Bipaliidae과의 종에 관한 기 발표된 서열을 계통분석을 위해 포함시켰다. 육지 플라나리아의 서열 배당은 387 bp에서 444 bp로 나타났으며 이런 차이는 염기 삽입에 기인하였다. COI 분석에 근거한 계통학적 분지도는 형태적 형질에 의한 결과와 일치하지 않았다. Bipalium nobile가 나머지 분류군(Bipalium adventitium, Bipalium venosum, Bipalium kewense, Bipalium multilineatum)을 포함하는 관계로 나타났다. 내부 가지의 분지군은 강하게 지지되었다(>91%). The phylogenic tree on COI 분석에 의한 계통도는 잘 분리되었다. 이들은 단계원을 형성하였다. 미토콘드리아 산화효소 유전자는 한국 내 육지 플라나리아 분류군을 동정하는데 유력한 도구가 될 수 있다.

Keywords

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