Eight polymorphic microsatellite loci for bottlenose dolphin and other cetacean species

Authors

  • Marthajane Caldwell,

    Corresponding author
    1. University of Miami, Department of Biology, PO Box 249118, Coral Gables, FL 33124, USA,
    2. Savannah State University, MEB Research Center, PO Box 20228, Savannah, GA 31404, USA
      Marthajane Caldwell. Fax: 912 3513571; E-mail: martoni@umich.edu
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  • Michael S. Gaines,

    1. University of Miami, Department of Biology, PO Box 249118, Coral Gables, FL 33124, USA,
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  • Colin R. Hughes

    1. University of Miami, Department of Biology, PO Box 249118, Coral Gables, FL 33124, USA,
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Marthajane Caldwell. Fax: 912 3513571; E-mail: martoni@umich.edu

Abstract

We developed eight polymorphic microsatellite loci that can be used to elucidate population structure and aid management of bottlenose dolphins, Tursiops truncatus, in the northwest Atlantic. These loci averaged nine alleles, with no evidence for null alleles. Their cross-species utility was examined in Cephalorhynchus commersonii, Delphinus delphis, Delphinapterus leucas, Eschrictius robustus, Globicephala macrorhynchus, Lagenorhynchus obliquidens, Orcinus orca, Steno bredanensis and Stenella clymene. On average, 75% of the loci were polymorphic in these species (range = 50–88%). Our results indicate that these loci will be useful for elucidating population structure of bottlenose dolphin as well as of other cetacean species.

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