Microsatellites within genes and ESTs of common carp and their applicability in silver crucian carp

Thirty-six new microsatellites were identified from common carp (Cyprinus carpio L.) by screening through genes found in GenBank, EST sequences from a testis cDNA library and a genomic DNA library enriched for CA repeats. Eleven of the twenty-eight microsatellites identified from genes and ESTs were AT repeats, suggesting their high abundance in the genome of common carp. Characterization of the 36 microsatellites on a panel of 18 unrelated common carp individuals revealed that all, except two, were polymorphic with an average allele number of 7.3/locus (range: 2¿15 alleles/locus). The microsatellites located in genes and ESTs showed higher allele number than those eight which were isolated from a genomic DNA library (7.7/locus vs. 4.9/locus df=32,