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Cytogenetics and cytotaxonomics analysis in the genus Rhodnius (Hemiptera, Triatominae)

Grant number: 14/04521-8
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): May 01, 2014
Effective date (End): April 30, 2015
Field of knowledge:Biological Sciences - Zoology - Morphology of Recent Groups
Principal researcher:Maria Tercília Vilela de Azeredo Oliveira
Grantee:Amanda Ravazi
Home Institution: Instituto de Biociências, Letras e Ciências Exatas (IBILCE). Universidade Estadual Paulista (UNESP). Campus de São José do Rio Preto. São José do Rio Preto , SP, Brazil


Triatomines are hematophagous insects belonging to the Hemiptera order, Heteroptera suborder, family Reduviidae, and Triatominae subfamily. Currently, are admitted 148 species grouped in 18 genera and six tribes. The Rhodniini tribe is composed of 22 species, three of genus Psammolestes and 19 of the genus Rhodnius. The triatomines of the genus Rhodnius are morphologically very similar, which makes differentiation of species. Cytogenetic analysis in this genus began in 1950 with the description of the karyotype of R. prolixus. Despite the reported knowledge of the cytogenetic characteristics and cytotaxonomics these hematophagous insects of medical-sanitary importance also is necessary to expand the study on the genus Rhodnius. Thus, this project will examine the cytogenetic characteristics of species of the genus Rhodnius unstudied, in order to assist in cytogenetic, evolutionary, and taxonomic knowledge of these vectors of Chagas disease. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ALEVI, K. C. C.; RAVAZI, A.; FRANCO-BERNARDES, M. F.; ROSA, J. A.; AZEREDO-OLIVEIRA, M. T. V.. Chromosomal evolution in the pallescens group (Hemiptera, Triatominae). Genetics and Molecular Research, v. 14, n. 4, p. 12654-12659, . (13/19764-0, 14/04521-8)
RAVAZI, A.; OLIVEIRA, J.; ROSA, J. A.; AZEREDO-OLIVEIRA, M. T. V.; ALEVI, K. C. C.. Spermiotaxonomy of the tribe Rhodniini (Hemiptera, Triatominae). Genetics and Molecular Research, v. 15, n. 1, . (13/19764-0, 14/04521-8)

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