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Characterization of microsatellite loci in sea urchins (Strongylocentrotus spp.)


J. A. Addison. Fax: (902) 494–3736; E-mail:


We present six dinucleotide repeats that were developed and characterized in Strongylocentrotus droebachiensis and also tested in S. purpuratus. Four of these loci are polymorphic in S. droebachiensis (13–20 alleles, N= 100) and five are polymorphic in S. purpuratus (5–12 alleles, N= 10). We are currently using these markers to investigate the population substructure of shallow water populations of S. droebachiensis in the north Atlantic.