Noireau Jean-François, Gutierrez T., Zegarra M., Flores R., Brenière Simone Frédérique, Cardozo L., Dujardin Jean-Pierre. (1998). Cryptic speciation in Triatoma sordida (Hemiptera : Reduviidae) from the Bolivian Chaco. Tropical Medicine and International Health, 3 (5), p. 364-372. ISSN 1360-2276.
Titre du document
Cryptic speciation in Triatoma sordida (Hemiptera : Reduviidae) from the Bolivian Chaco
Année de publication
1998
Type de document
Article
Auteurs
Noireau Jean-François, Gutierrez T., Zegarra M., Flores R., Brenière Simone Frédérique, Cardozo L., Dujardin Jean-Pierre
Source
Tropical Medicine and International Health, 1998,
3 (5), p. 364-372 ISSN 1360-2276
Eight natural Bolivian populations of two closely related species of Triatominae, Triatoma sordida and T. guasayana, were analysed by multilocus enzyme electrophoresis at 20 loci. Both species were readily separated and no natural hybrid was observed. Among the silvatic sample of T. sordida, strong departure from panmixia within and between loci was detected in two sites of the Chaco, suggesting two reproductively separate populations easily recognized at Idh2 and Mdh2 loci. Genetic distance between them was in agreement with the hypothesis of distinct species. However, the detection of 3% of putative hybrids suggested a recent evolutionary divergence. (Résumé d'auteur)
Plan de classement
Répartition et bioécologie des phlébotomes [052GLOTRY01]
Descripteurs
MALADIE DE CHAGAS ; VECTEUR ; GENETIQUE DE POPULATION ; POLYMORPHISME ENZYMATIQUE ; ELECTROPHORESE ; DISTANCE GENETIQUE ; SPECIATION
