Genetic Differences between Two Color Morphotypes of Redfish, Sebastes scythropus (Osteichthyes : Scorpaenidae)
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概要
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Genetic differences between two color morphotypes of Sebastes scythropus (Jordan and Snyder, 1900) were estimated from partial sequences of the mitochondrial (mt) DNA tRNA genes and control region. A phylogenetic tree was constructed using the neighbor-joining method and incorporating sequences from the congeners S. inermis Cuvier, 1829, S. joyneri Gunther, 1878, S. owstoni (Jordan and Thompson, 1914), and S. thompsoni (Jordan and Hubbs, 1925), as well as Sebastiscus marmoratus (Cuvier, 1829) (outgroup). Individuals of each color morphotype of S. scythropus were reciprocally monophyletic, with bootstrap values of 100%. The mean sequence difference between the two morphotypes was 10.1%, which was comparable to, or even larger than, the interspecific differences among the other four Sebastes species (5.9-10.8%). Sympatric occurrence of the two morphotypes with such a high degree of genetic differentiation indicates that they are reproductively isolated and stand as distinct species.
- 2002-11-30
著者
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NAKABO Tetsuji
The Kyoto University Museum, Kyoto University
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Ikeda H
Kumano High School
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Ikeda Hiromi
Kumano Senior High School
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Ikeda Hiromi
Kumano High School
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Kai Yoshiaki
Division Of Applied Biosciences Graduate School Of Agriculture Kyoto University
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Nakabo Tetsuji
The Kyoto University Museum
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Yagishita Naoki
The Kyoto University Museum, Kyoto University
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Yagishita N
Kyoto Univ. Kyoto Jpn
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Yagishita Naoki
The Kyoto University Museum
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