Technical Note

Conservation Genetics

, Volume 9, Issue 5, pp 1369-1372

Identification and characterization of microsatellites from the Antarctic isopod Ceratoserolis trilobitoides: nuclear evidence for cryptic species

  • Florian LeeseAffiliated withAlfred Wegener Institute for Polar and Marine ResearchDepartment of Animal Ecology, Evolution and Biodiversity, Ruhr-University of Bochum Email author 
  • , Christoph HeldAffiliated withAlfred Wegener Institute for Polar and Marine Research

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Abstract

We report the successful isolation of 10 polymorphic microsatellite markers for one species of the marine isopod species complex Ceratoserolis trilobitoides (Eights, 1833) from the Southern Ocean. The number of alleles per locus ranged from 6 to 30 for the 148 specimens analysed and heterozygosity ranged from 0.34 to 0.98. Seven microsatellites amplified successfully in a cryptic sister species, which is restricted to the Antarctic Peninsula. This novel marker set provides the opportunity to study and monitor population structure, demography and gene flow patterns for a benthic model taxon in a region that is now subject to rapid climate change.

Keywords

Southern Ocean Benthos Serolidae Cryptic species Microsatellite isolation Population genetics