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Isolation and characterization of microsatellite loci in the southern brown bandicoot (Isoodon obesulus), and their applicability to other marsupial species

Authors

  • K. R. Zenger,

    Corresponding author
    1. Division of Environmental and Life Sciences, Department of Biological Sciences, Macquarie University, North Ryde, N.S.W. 2109, Australia
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  • P. G. Johnston

    1. Division of Environmental and Life Sciences, Department of Biological Sciences, Macquarie University, North Ryde, N.S.W. 2109, Australia
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K. R. Zenger. Fax: (612) 9850 9686; E-mail: kzenger@rna.bio.mq.edu.au

Abstract

The southern brown bandicoot (Isoodon obesulus) was once widely distributed throughout coastal regions of Australia, however, populations have now become fragmented and the number of individuals are declining rapidly. As a result, this species is now classified as endangered in New South Wales and requires management. We have developed eight microsatellite markers to investigate levels of genetic variation and subdivision among these isolated populations. These microsatellite markers show levels of variability ranging from four to eight alleles and observed heterozygosities of 0.353–0.938. These microsatellite markers are also suitable for similar population studies on other related marsupials.

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