title: Evolutionary relationships of the Triatoma matogrossensis subcomplex, the endemic triatoma in Central-Western Brazil, based on mitochondrial DNA sequences.
abstract: 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. williami + 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.
authors.forename: Sueli
authors.initials: S
authors.lastname: Gardim
authors.forename: Cláudia S
authors.initials: CS
authors.lastname: Rocha
authors.forename: Carlos E
authors.initials: CE
authors.lastname: Almeida
authors.forename: Daniela M
authors.initials: DM
authors.lastname: Takiya
authors.forename: Marco T A
authors.initials: MTA
authors.lastname: da Silva
authors.forename: Daniela L
authors.initials: DL
authors.lastname: Ambrósio
authors.forename: Regina M B
authors.initials: RMB
authors.lastname: Cicarelli
authors.forename: João A
authors.initials: JA
authors.lastname: da Rosa
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001938:Brazil; D004272:DNA, Mitochondrial / Q000235:genetics*; D006801:Humans; D013045:Species Specificity; D014224:Triatoma / Q000033:anatomy & histology / Q000145:classification* / Q000235:genetics*
chemical_list: D004272:DNA, Mitochondrial