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Keywords:

  • activin;
  • cyprinid;
  • EST;
  • gonadotrophin

Abstract

The goldfish (Carassius auratus auratus; Cyprinidae) is not only an important ornamental fish species, but also a useful model for biological studies. The sequence of goldfish genes present in the public database was searched for short tandem repeats, and 11 polymorphic microsatellites were detected within eight important genes. Two microsatellites were located in coding regions of the c-myc and GAP-43 genes, respectively, whereas the others were mainly located in 5′ and 3′ untranscribed regions of other genes, such as gonadotropin and activin. The average allele number of these microsatellites was 5.5 per locus with a range between 3 and 9. These microsatellites will be useful for ecological and population genetic studies of this species, as well as for the ornamental fish industry.