alexa The Importance of Cytogenetic in the Study of Triatomines - An Editorial Review | Open Access Journals
ISSN: 2161-0983
Entomology, Ornithology & Herpetology: Current Research
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The Importance of Cytogenetic in the Study of Triatomines - An Editorial Review

Kaio Cesar Chaboli Alevi* and Maria Tercília Vilela de Azeredo Oliveira

Department of Biology, Institute of Biosciences, Humanities and the Exact Sciences, Sao Paulo State University, Brazil

*Corresponding Author:
Kaio Cesar Chaboli Alevi
Instituto de Biociências, Letras e Ciências Exatas
IBILCE – UNESP,Rua Cristovão Colombo, 2265
Jardim Nazareth 15054-000 – São José do Rio Preto, SP- Brazil
Tel : (17) 32212380 Ramal: 2378
E-mail : [email protected]

Received date: November 10, 2013; Accepted date: November 12, 2013; Published date: November 20, 2013

Citation: Alevi KCC, de Azeredo Oliveira MTV (2013) The Importance of Cytogenetic in the Study of Triatomines - An Editorial Review. Entomol Ornithol Herpetol 2:e105. doi: 10.4172/2161-0983.1000e105

Copyright: © 2013 Alevi KCC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Triatomines belong to the Hemiptera order and Triatominae subfamily [1]. The Triatominae subfamily is be composed of 146 species hematofagous [2,3] and potential vectors of Trypanosoma cruzi, etiologic agent of Chagas disease.

Classic cytogenetic studies means of technique Lacto-acetic orcein and C-banding, are considered important tools taxonomic in Triatominae subfamily, as they allow for the clarification of many problems, as the reorganization of Brasiliensis subcomplex [4-6], in the description and revalidation of species [7,8] in the study of cryptic speciation [9] and differentiation of species morphologically related [10,11]. However, in 2005, molecular cytogenetic studies, using the technique of in situ hybridization (FISH) have been initiated in triatomines [12].

The probes used in FISH (45S and 28S) allow taxonomic and evolutionary studies in these vectors. Currently, of the 146 described species only 46 present studies with the FISH technique, distributed in eight genus: Psammolestes (1), Dipetalogaster (1), Eratyrus (1), Panstrongylus (3), Mepraia (2), Meccus (3), Triatoma (23), Rhodnius (12) [12-17]. Intraspecific variation was also observed with FISH in T. infestans and R. ecuadoriensis [16,17]. New studies are necessary to the understanding of evolution of these insects.

Even after the emergence of molecular cytogenetics of triatomine, classical cytogenetics is still of great taxonomic importance because they are simple techniques that allow solving big problems, as mentioned above. Thus, increasingly the cytogenetics of triatomines is an important cytotaxonomic and evolutionary tool directly aiding in the understanding of these insects of great importance in public health.


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