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- Isolation and characterization of microsatellite DNA markers for spinner dolphin (Stenella longirostris)
- Universidade Federal do Espírito Santo (UFES)
- Universidade Estadual Paulista (UNESP)
- Ctr Golfinho Rotador
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
- Practically no studies on the population genetics of the spinner dolphin (Stenella longirostris) exist. Seventeen pairs of DNA primers, cloned from an Mbo I digestion of S. longirostris liver DNA, were selected from a total of 288 sequences. Eight polymorphic microsatellite DNA markers were selected from the 17 primer pairs following amplification of DNA from skin samples of 65 spinner dolphins. Characterization of the polymorphisms revealed between three and nine alleles per loci. The observed heterozygosity ranged from 0 to 0.6032, while the expected heterozygosity ranged from 0.5834 to 0.73. Seven of the eight designed primer pairs amplified DNA from three other delphinid species. There was a marked low observed heterozygosity in the spinner dolphin suggesting a high level of inbreeding within this species in the southern Atlantic.
- Conservation Genetics. Dordrecht: Springer, v. 9, n. 5, p. 1319-1321, 2008.
- microsatellite DNA
- spinner dolphin
- Stenella longirostris
- Fernando de Noronha
- Acesso restrito
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