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    Isolation and characterization of twenty microsatellite markers for the study of hybridization in butterflyfish of the genus Chaetodon

    Access Status
    Fulltext not available
    Authors
    Montanari, S.
    Gardener, M.
    Hobbs, Jean-Paul
    Prachett, M.
    Bay, L.
    Van Herwerden, L.
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Montanari, S. and Gardener, M. and Hobbs, J. and Prachett, M. and Bay, L. and Van Herwerden, L. 2013. Isolation and characterization of twenty microsatellite markers for the study of hybridization in butterflyfish of the genus Chaetodon. Conservation Genetics Resources. 5 (3): pp. 783-786.
    Source Title
    Conservation Genetics Resources
    DOI
    10.1007/s12686-013-9907-7
    ISSN
    18777252
    URI
    http://hdl.handle.net/20.500.11937/2817
    Collection
    • Curtin Research Publications
    Abstract

    Twenty polymorphic microsatellite loci were developed via 454 sequencing for two hybridizing sister species of butterflyfish: the spot-band butterflyfish (Chaetodon punctatofasciatus) and peppered butterflyfish (Chaetodon guttatissimus), which are widely distributed in the Western Pacific and Indian Ocean, respectively. All loci were genotyped in samples collected from Christmas Island: C. guttatissimus (n = 25), C. punctatofasciatus (n = 17) and hybrids (n = 16). Mean alleles per locus (N a) were: 9.05 for C. guttatissimus, 9.95 for C. punctatofasciatus and 9.45 for hybrids. Observed heterozygosity (H O) ranged from 0.00 to 1.00 for C. guttatissimus; from 0.08 to 0.88 for C. punctatofasciatus; and from 0.19 to 0.94 for hybrids. Most loci conformed to Hardy-Weinberg expectations, were in linkage equilibrium, and did not contain null alleles. These markers will be useful for testing population genetic hypotheses including patterns of hybridization in this pair of butterflyfishes.

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