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Genetic Diversity among Local Populations of the Gold-spotted Pond Frog, Rana plancyi chosenica (Amphibia: Ranidae), Assessed by Mitochondrial Cytochrome b Gene and Control Region Sequences

  • Min, Mi-Sook (BK21 Program for Veterinary Science and Conservation Genome Resource Bank for Korean Wildlife(CGRB), College of Veterinary Medicine, Seoul National University) ;
  • Park, Sun-Kyung (BK21 Program for Veterinary Science and Conservation Genome Resource Bank for Korean Wildlife(CGRB), College of Veterinary Medicine, Seoul National University) ;
  • Che, Jing (Laboratory of Cellular and Molecular Evolution, Kunming Institute of Zoology, The Chinese Academy of Sciences) ;
  • Park, Dae-Sik (Department of Science Education, Kangwon National University) ;
  • Lee, Hang (BK21 Program for Veterinary Science and Conservation Genome Resource Bank for Korean Wildlife(CGRB), College of Veterinary Medicine, Seoul National University)
  • Published : 2008.03.31

Abstract

The Gold-spotted pond frog, Rana plancyi chosenica, designated as a vulnerable species by IUCN Red list. This species is a typical example facing local population threats and extinction due to human activities in South Korea. A strategic conservation plan for this endangered species is urgently needed. In order to provide information for future conservation planning, accurate information on the genetic diversity and taxonomic status is needed for the establishment of conservation units for this species. In this study, we used a molecular genetic approach using the mitochondrial cytochrome b gene and control region sequences to find the genetic diversity of gold-spotted pond frogs within South Korea. We sequenced the mitochondrial DNA cytochrome b gene and control region of 77 individuals from 11 populations in South Korea, and one from Chongqing, China. A total of 15 cytochrome b gene haplotypes and 34 control region haplotypes were identified from Korean gold-spotted pond frogs. Mean sequence diversity among Korean gold-spotted pond frogs was 0.31% (0.0-0.8%) and 0.51% (0.0-1.0%), respectively. Most Korean populations had at least one unique haplotype for each locus. The Taean, Ansan and Cheongwon populations had no haplotypes shared with other populations. There was a sequence divergence between Korean and Chinese gold-spotted pond frogs (1.3% for cyt b; 2.9% for control region). Analysis of genetic distances and phylogenetic trees based on both cytochrome b and control region sequences indicate that the Korean gold-spotted pond frog are genetically differentiated from those in China.

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