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Keywords:

  • genetic markers;
  • microsatellites;
  • Oplegnathus fasciatus;
  • rock bream

Abstract

Nine novel microsatellite loci were isolated from Oplegnathus fasciatus by screening an enriched genomic library using nonradioactive PCR (polymerase chain reaction) techniques. All loci were found to be polymorphic with an average of 8.1 alleles per locus (range 3–15). The mean observed and expected heterozygosities were 0.71 (range 0.40–1.00) and 0.74 (range 0.50–0.90), respectively. Two loci showed significant Hardy–Weinberg disequilibrium at the P < 0.05 level. The high variabilities revealed in this study suggest that these microsatellite loci should provide useful markers for genetic variation monitoring of O. fasciatus.