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Patterns of genetic diversity of mitochondrial DNA within captive populations of the endangered itasenpara bitterling: implications for a reintroduction program |
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| Authors: | Shigeru Kitanishi Masaki Nishio Kazuhiko Uehara Rikiya Ogawa Tatsuya Yokoyama Kaneaki Edo |
| Affiliation: | 1. College of Life Sciences, Ritsumeikan University, Kusatsu, Shiga, 525-8577, Japan 2. Himi City Planning and Public Relations Office, Himi, Toyama, 935-0016, Japan 3. Aquatic Life Conservation Research Center, Research Institute of Environment, Agriculture and Fisheries, Osaka Prefectural Government, Neyagawa, Osaka, 572-0088, Japan 4. Osaka Prefectural Nishinoda Industrial High School, Fukushima Ward, Osaka, 553-0007, Japan 5. Water Museum, Higashiyodogawa Ward, Osaka, 533-0024, Japan 6. Agency for Cultural Affairs, Chiyoda Ward, Tokyo, 100-8959, Japan |
| Abstract: | In this study, the level of genetic diversity of captive populations of the itasenpara bitterling (Acheilognathus longipinnis) was assessed to obtain information useful for successful captive breeding and reintroduction; this analysis was performed using mitochondrial DNA (mtDNA) sequence data. Comparison of the captive and wild populations showed low levels of genetic diversity within the captive population and significant genetic differentiation among the captive populations and also between the wild and captive populations, suggesting at chance effect during the founding process for the captive population and a subsequent genetic drift. Therefore, for successful reintroduction, it is important that the reintroduced population reflects all the genetic diversity available from the captive populations, and that releasing a large number of individuals that consist of all captive populations. |
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