Evolutionary Relationships of the Triatoma matogrossensis Subcomplex, the Endemic Triatoma in Central-Western Brazil, Based on Mitochondrial DNA Sequences
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2013-10-01
Autores
Gardim, Sueli
Rocha, Claudia S.
Almeida, Carlos E.
Takiya, Daniela M.
Silva, Marco T. A. da
Ambrosio, Daniela L.
Cicarelli, Regina Maria Barretto [UNESP]
Rosa, João Aristeu da [UNESP]
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Amer Soc Trop Med & Hygiene
Resumo
The phylogenetic relationships among species of Triatoma matogrossensis subcomplex (T. baratai, T. guazu, T. matogrossensis, T. sordida, T vandae, and T. williami) was addressed by using fragments of cytochrome oxidase I (COI), 16S rDNA (16S), and cytochrome b (Cytb) through Bayesian and parsimony analyses. We did not recover a monophyletic T matogrossensis subcomplex, and their members were found clustered in three strongly supported clades, as follows: i) T. jurbergi + T. matogrossensis + T. vandae + T. garciabesi + T. sordida; ii) with T guasayana as the sister group of clade (i); and iii) T. wilhami + T. guazu, however not closely related to the clade formed by the previously mentioned species. The other two endemic species from Central-Western Brazil, T. baratai and T. costalimai, were not recovered with strong clade support as related to other members of this subcomplex. Results call for a further revision in the classification of the subcomplexes within the genus Triatoma.
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American Journal Of Tropical Medicine And Hygiene. Mclean: Amer Soc Trop Med & Hygiene, v. 89, n. 4, p. 766-774, 2013.