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Phylogeography of Wild Musk Shrew (Suncus Murinus) Populations in Asia Based on Blood Protein/Enzyme Variation

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Abstract

The musk shrew (Suncus murinus) is an insectivore species that inhabits tropical and subtropical Asia widely. To clarify the genetic relationship among wild musk shrew populations, we examined the electrophoretic variants of biparentally inherited genetic markers at 10 loci coding for eight blood proteins/enzymes in a total of 639 animals and compared the results obtained from the mitochondrial DNA data. The principal-component analysis performed using the allele frequency data revealed that the 17 populations could be divided into two major groups, a South Asian group and a Southeast Asian group that includes several island populations bound by Myanmar. The degrees of genetic divergence among populations were higher within the Southeast Asian group than within the South Asian group. This finding was incongruent with the mtDNA diversity. Analysis conducted at the individual level showed that a shrew from the central region in Myanmar that carries a South Asian type of mtDNA showed the electrophoretic variants specific to the Southeast Asian group, suggesting that this region is a contact zone between the two major groups.

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Acknowledgments

We greatly thank Ms. Sakie Kawamoto for her instruction in electrophoresis methods. This research was conducted with the help of the Society for Researches on Native Livestock and supported by a Grant-in-Aid for Scientific Research from the Japan Society for the Promotion of Science (Nos. 16201046, 15405033, and 14405029).

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Authors and Affiliations

  1. Graduate School of Bioagricultural Sciences, Nagoya University, Furocho, Chikusa, Nagoya, 464-8601, Japan

    Megumi Kurachi, Takao Namikawa & Takahiro Yamagata

  2. Primate Research Institute, Kyoto University, Kanrin, Inuyama, 484-8506, Japan

    Yoshi Kawamoto

  3. Osaka Kawasaki Rehabilitation University, Mizuma, Kaizuka, 597-0104, Japan

    Yuji Tsubota

  4. Faculty of Agriculture, University of Cantho, Cantho, Hau Giang, Vietnam

    Ba-Loc Chau

  5. Faculty of Animal and Veterinary Sciences, Hanoi Agricultural University, Gialam, Hanoi, Vietnam

    Vu-Binh Dang

  6. RNR Research Center, Ministry of Agriculture, Jakar, Bhutan

    Tashi Dorji

  7. Graduate School of Biosphere Science, Hiroshima University, Kagamiyama, Higashi-Hiroshima, 739-8528, Japan

    Yoshio Yamamoto

  8. Livestock Breeding and Veterinary Department, Ministry of Livestock and Fisheries, Yangon, Myanmar

    Maung Maung Nyunt

  9. Faculty of Agriculture, Kagoshima University, Koorimoto, Kagoshima, 890-0065, Japan

    Yoshizane Maeda

  10. Faculty of Animal Science and Veterinary Science, Royal University of Agriculture, Phnom Penh, Cambodia

    Loan Chhum-Phith

Authors
  1. Megumi Kurachi
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  2. Yoshi Kawamoto
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  3. Yuji Tsubota
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  4. Ba-Loc Chau
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  5. Vu-Binh Dang
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  6. Tashi Dorji
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  7. Yoshio Yamamoto
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  8. Maung Maung Nyunt
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  9. Yoshizane Maeda
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  10. Loan Chhum-Phith
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  11. Takao Namikawa
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  12. Takahiro Yamagata
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Correspondence to Takahiro Yamagata.

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Kurachi, M., Kawamoto, Y., Tsubota, Y. et al. Phylogeography of Wild Musk Shrew (Suncus Murinus) Populations in Asia Based on Blood Protein/Enzyme Variation. Biochem Genet 45, 543–563 (2007). https://doi.org/10.1007/s10528-007-9096-8

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  • DOI: https://doi.org/10.1007/s10528-007-9096-8

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