Harry M., Dupont L., Quartier M., Diotaiuti L., Walter Annie, Romana Christina. (2009). New perspectives for population genetics of Chagas'disease vectors in the Northeastern Brazil : isolation of polymorphic microsatellite markers in Triatoma brasiliensis. Infection Genetics and Evolution, 9 (4), p. 633-637. ISSN 1567-1348.
Titre du document
New perspectives for population genetics of Chagas'disease vectors in the Northeastern Brazil : isolation of polymorphic microsatellite markers in Triatoma brasiliensis
Harry M., Dupont L., Quartier M., Diotaiuti L., Walter Annie, Romana Christina
Source
Infection Genetics and Evolution, 2009,
9 (4), p. 633-637 ISSN 1567-1348
Triatoma brasiliensis is the most important Chagas disease vector in semiarid areas of Northeastern Brazil. Although generally found in natural environment, it regularly colonizes or reinvades domiciliary ecotopes. In order to analyse gene flow between habitats, we identified and characterized six microsatellite loci using a microsatellite-enriched genomic library. To assess the usefulness of these microsatellites for genetic studies, we investigated their variability in two natural populations of the T. brasiliensis complex sampled in two Brazilian districts (Corone Jose Dia, South of Piaui state; Curaca, North of Bahia state). The taxonomic status of the samples was checked using cytb sequences. Phylogenetic analyses confirmed that the individuals from Bahia belonged to the T. juazeirensis species. primers cross-amplification was tested in 5 Triatoma species and 4 loci successfully. Moreover, amplified in T. infestans and T. guasayana.
