Nine polymorphic microsatellite loci were isolated and characterized from an AC-enriched genomic library of Bullacta exarata. They were polymorphic in 30 individuals from Qidong in Jiangsu Province, China. The number of alleles per polymorphic loci varied from 7 to 14 and the values of observed heterozygosity and expected heterozygosity ranged from 0. 2593 to 0. 9667 and from 0. 7090 to 0. 9164, respectively. Six of the nine microsatellites conformed to Hardy-Weinberg equilibrium, and inherited independently. These informative microsatellite markers will be useful in studies of population genetic structure for this species.
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