Genetic Relationships of Korean Treefrogs (Amphibia; Hylidae) Based on Mitochondrial Cytochrome b and 12S rRNA Genes

  • Jung Eun Lee (Department of Biology, College of Natural Sciences, Inha University) ;
  • Dong Eun Yang (Department of Biology, College of Natural Sciences, Inha University) ;
  • Yu Ri Kim (Department of Biology, College of Natural Sciences, Inha University) ;
  • Hyuk Lee (Department of Biology, College of Natural Sciences, Inha University) ;
  • Hyun Ick Lee (Department of Biology, College of Natural Sciences, Inha University) ;
  • Suh-Yung Yang (Department of Biology, College of Natural Sciences, Inha University) ;
  • Hei Yung Lee (Department of Biology, College of Natural Sciences, Inha University)
  • Published : 1999.09.01

Abstract

The nucleotide sequence of a 447 base pair fragment in the mitochondrial cytochrome b gene and the complete sequence of the mitochondrial 12S ribosomal RNA gene, 938 bp, were analyzed to infer inter- and intraspecific genetic relationships of Hyla japonica and H. suweonensis from Korea and H, japonica from Japan. In the mitochondrial cytochrome b gene, genetic differentiation among H. japonica populations were 9.62% and 15.66% between H. japonica and H. suweonensis. Based on the Tamura-Nei distance, the level of sequence divergence ranged from 0.45% to 2.75% within Korean H. japonica, while 8.31%-8.87% between Korean and Japanese H. japonica and 11.51%-12.46% between H. japonica and H. suweonensis. In the neigh-bor-joining tree, Korean populations of H. japonica were clustered first at 2.22% and followed by Japanese H. japonica and H. suweonensis at 8.51% and 12.29%, respectively. In mitochondrial 12S rRNA gene, genetic differentiation between H. japonica and H. suweonensis nras 7.17% (68 bp) including 7 gaps. Based on Tamura-Nei distance, the level of sequence divergence ranged 3.53% between Korean and Japanese H. japonica and from 4.93% to 5.41% between H. japonica and H. suweonensis. Phenogram pattern of the 12S rRNA gene sequence corresponded with that of the mitochondrial cytochrome b gene.

Keywords

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