Molecular Phylogeny of a Red-Snow-Crab Species Complex using Mitochondrial and Nuclear DNA Markers

DOI HANDLE Web Site PubMed 参考文献17件 オープンアクセス
  • Noriko Azuma
    Nodai Bioresource Institute, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido 099-2493, Japan
  • William S. Grant
    Gene Conservation Laboratory, Alaska Department of Fish and Game, 333 Raspberry Road, Anchorage, Alaska 99518, USA
  • William D. Templin
    Gene Conservation Laboratory, Alaska Department of Fish and Game, 333 Raspberry Road, Anchorage, Alaska 99518, USA
  • Yasushi Kunihiro
    Mariculture Fisheries Research Institute, Hokkaido Research Organization Fisheries Research Department, 1-156-3 Funami-cho, Muroran, Hokkaido 051-0013, Japan
  • Eiji Mihara
    Wakkanai Fisheries Research Institute, Hokkaido Research Organization Fisheries Research Department, 4-5-15 Suehiro, Wakkanai, Hokkaido 097-0001, Japan
  • Takashi Yanagimoto
    National Research Institute of Far Seas, Fisheries Research Agency, 2-12-4 Fukuura, Kanazawa-ku, Yokohama, Kanagawa 236-8648, Japan
  • Syuiti Abe
    Division of Marine Bioscience, Graduate School of Fisheries Sciences, Hokkaido University, 3-1-1 Minato-cho, Hakodate, Hokkaido 041-8611, Japan

書誌事項

公開日
2011-04-01
DOI
  • 10.2108/zsj.28.286
公開者
Zoological Society of Japan

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説明

Nucleotide sequence variation of mitochondrial DNA COI and nuclear rRNA gene regions was used to reconstruct phylogenetic relationships for the red-snow-crab species complex, including the red snow crab, Chionoecetes japonicus, its nominal subspecies, C. japonicus pacificus, and the triangle tanner crab, C. angulatus. The topologies of the Bayesian and neighbor-joining (NJ) trees of the COI and of NJ trees of rRNA sequences placed C. japonicus and C. angulatus in a single clade. The net sequence divergence between these taxa was d(net) = 0.000 in COI, and strongly suggests that these taxa represent a single species. In contrast, haplotypes in C. j. pacificus clustered separately from the C. japonicus - C. angulatus clade. Net sequence divergence from C. japonicus - C. angulatus to C. j. pacificus was d(net) = 0.026 in COI, indicating that C. j. pacificus should be elevated to a separate species, C. pacificus. A 165 bp insert appeared in the rRNA gene of C. j. pacificus, but was absent in the remaining species of Chionoecetes. This autapomorphic condition in C. j. pacificus adds support for an independent evolution of this taxon. Evolutionary divergences between these taxa may reflect contrasting evolutionary process influenced by ocean bathymetry.

収録刊行物

  • Zoological Science

    Zoological Science 28 (4), 286-, 2011-04-01

    Zoological Society of Japan

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