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KMID : 0613820110210070939
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Journal of Life Science
2011 Volume.21 No. 7 p.939 ~ p.946
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Identification and Phylogenetic Relationship at Cytochrome Oxidase Subunit I (COI) Gene among Korean Terrestrial Planarian Taxa
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Moon Doo-Ho
Lee Young-Ah
Huh Man-Kyu
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Abstract
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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.
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KEYWORD
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Cytochrome Oxidase Subunit I(COI) gene, terrestrial planarians, phylogenetic tree
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