Informative microsatellites for genetic population studies of black-faced lion tamarins (Leontopithecus caissara)

AUTOR(ES)

Martins, Milene Moura, Galetti Junior, Pedro Manoel

FONTE

Genetics and Molecular Biology

DATA DE PUBLICAÇÃO

22/12/2010

RESUMO

Leontopithecus caissara is a critically endangered primate species from the Brazilian Atlantic Forest. Nineteen microsatellite loci, previously developed for congeneric species, were tested with 34 L. caissara individuals from Superagüi Island. Of the 19 loci, 17 (89.4%) produced robust alleles, nine (47.4%) of these proved to be polymorphic, with a total of 23 alleles and an average of 2.56 alleles per locus. Expected and observed heterozygosity averaged 0.483 and 0.561, respectively. The exclusion power for identifying the first parent of an arbitrary offspring was 0.315 over all loci. The results thus indicate both the usefulness and limitations of these nine microsatellite loci in the genetic analysis of L. caissara, as well as their potentiality for genetic investigation in other congeneric species.

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