Scylla paramamosain is a widespread and commercially important species of coastal marine crab. We identified 13 polymorphic microsatellite loci from a genome library constructed with 5êÂ?Â?-anchored PCR method. Thirty-two S. paramamosain from the East China Sea were used to analyze the characteristics of these loci. The number of alleles per locus ranged from 3 to 8, with a mean of 5.923. Observed and expected heterozygosities ranged from 0.500 to 0.875 and from 0.500 to 0.859, respectively. Eleven of the 13 loci were highly polymorphic (polymorphic information content >0.5). All of the 13 novel loci were in Hardy-Weinberg equilibrium after Bonferroni’s correction (P < 0.0038). There was no null allele, stuttering errors or evidence of allelic dropout in any of the loci analyzed by MICRO-CHECKER. According to pairwise tests, no significant linkage disequilibrium was found among the 13 loci (P < 0.0038, adjusted value). These novel developed microsatellites will be useful for studies of genetic variation, population structure, conservation genetics, and molecular-assisted selective breeding of S. paramamosain.
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