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KMID : 1161520000040030257
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Animal Cells and Systems
2000 Volume.4 No. 3 p.257 ~ p.261
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Molecular Phylogeny of Poecilostome Copepods Based on the 18S rDNA Sequences
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Kim Ji-Hee
Kim Won
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Abstract
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To elucidate phylogenetic relationships among poecilostome families, 18S rDNA sequence data were generated for seven poecilostome and one cy?clopoid copepods by PCR cloning and sequencing techniques. Phylogenetic trees were constructed by maximum parsimony, neighbor joining, and maximum likelihood methods using cyclopoid sequence as an out?group. The results from three different analyses showed that the seven poecilostome families were diridel into two groups: Clausidiidae?Myicoli?dae?Synaptiphillidae?Bomolochidae and Lichomologidae?Chondracanthidae?Ergasilidae. The molecular phytogenies were consistent with those from the morphological characters. Therefore, these analyses provide further evidence for the utility of 18S rDNA sequences in addressing phylogenetic relationships among poecilostome families.
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KEYWORD
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Copepoda, Poecilostomatoida, 18S rDNA
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