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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Prezygotic isolation confirms the exclusion of Triatoma melanocephala, T. vitticeps and T. tibiamaculata of the T. brasiliensis subcomplex (Hemiptera, Triatominae)

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dos Santos Neves, Joao Marcos [1] ; de Sousa, Paulo Sergio [2] ; de Oliveira, Jader [1] ; Ravazi, Amanda [2] ; Madeira, Fernanda Fernandez [3] ; dos Reis, Yago Visinho [2] ; Bortolozo de Oliveira, Ana Beatriz [3] ; Pinotti, Heloisa [1] ; Vilela de Azeredo-Oliveira, Maria Tercilia [3] ; da Rosa, Joao Aristeu [1] ; Chaboli Alevi, Kaio Cesar [2, 1]
Total Authors: 11
[1] Univ Estadual Paulista, FCFAR UNESP, Fac Ciencias Farmaceut, Dept Ciencias Biol, Lab Parasitol, Rodovia Araraquara Jau Km 1, BR-14801902 Araraquara, SP - Brazil
[2] Univ Estadual Paulista, IBB UNESP, Inst Biociencias, Rua Dr Antonio Celso Wagner Zanin 250, BR-18618689 Botucatu, SP - Brazil
[3] Univ Estadual Paulista, IBILCE UNESP, Inst Biociencias Letras & Ciencias Exatas, Dept Biol, Lab Biol Celular, Rua Cristovao Colombo 2265, BR-15054000 Sao Jose Do Rio Preto, SP - Brazil
Total Affiliations: 3
Document type: Journal article
Web of Science Citations: 5

Chagas disease is caused by the Trypanosoma cruzi and transmitted mainly by triatomines. Triatoma is a paraphyletic group and the species of this genus are grouped into complexes and subcomplexes. Morphological data and geographical distribution grouped initially T. melanocephala, T. vitticeps and T. tibiamaculata in the T. brasiliensis subcomplex. However, karyotypic and phylogenetic analysis suggested the exclusion of T. melanocephala, T. vitticeps and T. tibiamaculata from this subcomplex. Considering that studies of experimental crosses can help to understand the systematics of species, we performed experimental crosses between T. melanocephala, T. vitticeps and T. tibiamaculata with T. b. brasiliensis. No crosses resulted in hybrids. Taking into account that the species of the T. brasiliensis subcomplex do not present interspecific prezygotic barriers, the characterization of reproductive barriers shows that T. melanocephala, T. vitticeps and T. tibiamaculata do not present an evolutionary proximity relationship with the species of this subcomplex. Thus, we confirmed the exclusion of these species from the T. brasiliensis subcomplex and we emphasize the importance of experimental crosses for evolutionary studies. (AU)

FAPESP's process: 19/01197-9 - Study of the barriers of reproductive isolation present in the subcomplex vitticeps (Hemiptera, Triatominae)
Grantee:João Marcos dos Santos Neves
Support Opportunities: Scholarships in Brazil - Scientific Initiation