Nucleolar Persistence: Peculiar Characteristic of Spermatogenesis of the Vectors of Chagas Disease (Hemiptera, Triatominae)

Fernanda Fernandez Madeira Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista–São José do Rio Preto, São Paulo, Brazil.

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Kelly Cristine Borsatto Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista–São José do Rio Preto, São Paulo, Brazil.

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Anna Claudia Campaner Lima Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista–São José do Rio Preto, São Paulo, Brazil.

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Amanda Ravazi Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista–São José do Rio Preto, São Paulo, Brazil.

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Jader de Oliveira Departamento de Ciências Biológicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista–Araraquara, São Paulo, Brazil.

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João Aristeu da Rosa Departamento de Ciências Biológicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista–Araraquara, São Paulo, Brazil.

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Maria Tercília Vilela de Azeredo-Oliveira Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista–São José do Rio Preto, São Paulo, Brazil.

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Kaio Cesar Chaboli Alevi Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista–São José do Rio Preto, São Paulo, Brazil.

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DOI:
https://doi.org/10.4269/ajtmh.16-0149
Volume/Issue:
Volume 95: Issue 5
Page(s):
1118–1120
Restricted access
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All species of triatomines are considered potential vectors of Chagas disease and the reproductive biology of these bugs has been studied by different approaches. In 1999, nucleolar persistence during meiosis was observed in the subfamily for the first time. Recently, it has been observed that all species within the genus Rhodnius exhibit the same phenomenon, suggesting that it may be a synapomorphy of the triatomines. Thus, this article aims to analyze the nucleolar behavior during spermatogenesis of 59 triatomine species. All analyzed species exhibited nucleolar persistence during meiosis. Recently, it has been suggested that nucleolar persistence may be fundamental for the spermatogenesis of these vectors, since it is related to the formation of the chromatoid body. Therefore, we emphasize that this phenomenon is a peculiarity of the Triatominae subfamily and that further studies are required to analyze whether the nucleolar material that persists is active.

Author Notes

* Address correspondence to Kaio Cesar Chaboli Alevi, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista (IBILCE–UNESP), Rua Cristovão Colombo, 2265, Jardim Nazareth, CEP 15054-000, São José do Rio Preto, São Paulo, Brazil. E-mail: kaiochaboli@hotmail.com

Financial support: The study was supported by Fundação de Amparo à Pesquisa do Estado de São Paulo (process numbers 2013/19764-0 and 2015/14762-5-FAPESP, Brazil) and Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, Brazil).

Authors' addresses: Fernanda Fernandez Madeira, Kelly Cristine Borsatto, Anna Claudia Campaner Lima, Amanda Ravazi, Maria Tercília Vilela Azeredo-Oliveira, and Kaio Cesar Chaboli Alevi, Departamento de Biologia, Instituto de Biociencias, Letras e Ciencias Exatas, Universidade Estadual Paulista Julio de Mesquita Filho–Campus de Sao Jose do Rio Preto, São Paulo, Brazil, E-mails: fernanda.bio56@hotmail.com, kellyborsatto@gmail.com, anna_campaner@hotmail.com, amandaravazi95@gmail.com, tercilia@ibilce.unesp.br, and kaiochaboli@hotmail.com. Jader de Oliveira and João Aristeu da Rosa, Departamento de Ciências Biológicas, Faculdade de Ciencias Farmaceuticas, Universidade Estadual Paulista Julio de Mesquita Filho–Campus de Araraquara, São Paulo, Brazil, E-mails: jdr.oliveira@hotmail.com and joaoaristeu@gmail.com.

Copyright:
© The American Society of Tropical Medicine and Hygiene 2016
Received:
25 Feb 2016
|
Accepted:
28 Apr 2016
|
Published Online:
02 Nov 2016
Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
Print ISSN:
0002-9637
Online ISSN:
1476-1645
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