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|Title:||Molecular cytotaxonomy of the Triatoma brasiliensis species subcomplex (Hemiptera, Triatominae)|
|Author:||Chaboli Alevi, Kaio Cesar|
Bittinelli, Isadora de Freitas
Grzyb Delgado, Luiza Maria
Madeira, Fernanda Fernandez
de Oliveira, Jader; Lilioso, Mauricio
da Rosa, Joao Aristeu
Vilela Azeredo-Oliveira, Maria Tercilia
|Abstract:||The Triatoma genus is paraphyletic, and its species are grouped into complexes and subcomplexes. Given the fact that species that make up a given subcomplex generally share chromosomal traits, we analyzed the distribution of AT- and CG-rich DNA of the T. brasiliensis species subcomplex, in order to establish affinities among members of the T. brasiliensis subcomplex based on chromatin and chromosome traits and develop an identification key for the four monophyletic Triatoma subcomplexes from South America. All species exhibited a CG-rich X sex chromosome and autosomes, as well as an AT-rich Y sex chromosome. This feature can be used as a diagnostic characteristic to determine whether a given species is a member of the T. brasiliensis subcomplex, because it enables the differentiation of these species from all Triatoma of South America. Thus, we confirmed the chromosomal relationship of the T. brasiliensis species subcomplex and developed a dichotomous key based on the chromocenter to differentiate the species from this subcomplex from the other monophyletic Triatoma subcomplexes from South America|
|Subject:||Doença de Chagas|
|Appears in Collections:||IB - Artigos e Outros Documentos|
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