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New microsatellite loci for the longnose velvet dogfish Centroselachus crepidater (Squaliformes: Somniosidae) and other deep sea sharks

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Abstract

The continuing over-exploitation of traditional coastal stocks has resulted in the shift of commercial fishing towards deep-sea ecosystems in many parts of the world. The effects on target and non-target species have been dramatic; particularly for the deep-sea sharks. With the aim of providing tools that will allow the assessment of population genetic structure of Centroselachus crepidater, novel microsatellite loci have been developed for this deep-sea elasmobranch. Seven of these markers showed between 3 and 7 alleles per locus in two North Atlantic populations, with observed and expected heterozygosities between 0.18–0.95 and 0.25–0.82, respectively. Additionally, ten loci cross-amplify in other Elasmobranch species.

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Acknowledgments

The authors would like to thank all members of the DEECON and MARECO projects, in particular F. Neat and Marine Scotland for the provision of samples, and Steve Bogdanowicz, Cornell University, for his help in facilitating the library development. This project is jointly funded by the Irish Research Council for Science Engineering and Technology and the EURODEEP Eurocore programme of the European Science Foundation.

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Author notes

  1. Sarah Helyar

    Present address: Molecular Ecology and Fisheries Genetics Laboratory (MEFGL), School of Biological Sciences, University of Bangor, Wales, LL57 2UW, UK

  2. Ilaria Coscia

    Present address: Institute of Biological, Environmental and Rural Sciences (IBERS) Edward Llwyd Building, Aberystwyth University, Aberystwyth, Ceredigion, SY23 3DA, UK

Authors and Affiliations

  1. Marine Biodiversity Ecology & Evolution, UCD School of Biology & Environmental Science, University College Dublin, Belfield, Dublin 4, Ireland

    Sarah Helyar, Ilaria Coscia, Maria Sala-Bozano & Stefano Mariani

Authors
  1. Sarah Helyar
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  2. Ilaria Coscia
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  3. Maria Sala-Bozano
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  4. Stefano Mariani
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Correspondence to Stefano Mariani.

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Helyar, S., Coscia, I., Sala-Bozano, M. et al. New microsatellite loci for the longnose velvet dogfish Centroselachus crepidater (Squaliformes: Somniosidae) and other deep sea sharks. Conservation Genet Resour 3, 173–176 (2011). https://doi.org/10.1007/s12686-010-9316-0

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  • DOI: https://doi.org/10.1007/s12686-010-9316-0

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