Phylogeography of Loaches of the Genus Lefua(Balitoridae, Cypriniformes) Inferred from Mitochondrial DNA Sequences(Animal Diversity and Evolution)
スポンサーリンク
概要
- 論文の詳細を見る
In order to elucidate phylogenetic relationships and intraspecific variations and to infer the evolutionary process of loaches of the genus Lefua, we analyzed nucleotide sequences of the mitochondrial D-loop region of 100 specimens obtained from 97 localities in Japan and Korea. The genus Lefua includes three described species, L. nikkonis, L. echigonia, and L. costata and an undescribed species, Lefua sp. Our results showed that each species of Lefua formed a monophyletic group, indicating clearly that Lefua species can be genetically distinguished from one another. Lefua nikkonis was the most closely related to L. costata, while L. sp. was the most closely related to L. echigonia. Specimens of L. sp. were grouped into two intraspecific populations and specimens of L. echigonia were grouped into six populations. These populations were well separated geographically from one another by mountain ranges and highlands. We estimated the evolutionary time for splitting of the species and intraspecific populations, and speculated on the evolutionary process of the genus Lefua. Species of Lefua are severely threatened. Fundamental genetic information is indispensable for conservation. We presented genetic background in order to protect these threatened loaches.
- 2005-02-25
著者
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DE OLIVEIRA
Laboratory of Pharmacology, Faculty of Pharmaceutical Sciences of Ribeirao Preto, University of Sao
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De Oliveira
Laboratorio De Biotecnicas Aplicadas A Reproducao Do Departamento De Medicina Veterinaria Da Univers
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Miyazaki Jun-Ichi
Institute of Biological Sciences, University of Tsukuba
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Sakai Takehiko
Institute of Biological Sciences, University of Tsukuba
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Mihara Motohiro
Institute of Biological Sciences, University of Tsukuba
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Hosoya Kazumi
Department of Fisheries, Faculty of Agriculture, Kinki University
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Sakai Takehiko
Institute Of Biological Sciences University Of Tsukuba
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Hosoya Kazumi
Department Of Environmental Management Faculty Of Agriculture Kinki University
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Hosoya K
Department Of Fisheries Faculty Of Agriculture Kinki University
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Nakao Koushin
Institute of Biological Sciences, University of Tsukuba
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Miyazaki Jun-ichi
Institute For Medical Genetics Kumamoto University Medical School
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De Oliveira
Laboratory Of Biometry And Bioinformatics Graduate School Of Agriculture And Life Sciences Universit
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De Oliveira
Laboratorio De Biologia Celular E Tecidual Centro De Biociencias E Biotecnologia Universidade Estadu
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Sakai Takafumi
Area Of Regulatory Biology Division Of Life Science Graduate School Of Science And Engineering Saita
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