World Health Organization, 2015. Chagas Disease (American Trypanosomiasis). Available at: http://www.who.int/mediacentre/factsheets/fs340/en/. Accessed September 27, 2015.
Rocha DS, Solano C, Jurberg J, Cunha V, Galvão C, 2011. Laboratory analysis of the flight of Rhodnius brethesi Matta, 1919, potential wild vector of Trypanosoma cruzi in the Brazilian Amazon. (Hemiptera: Reduviidae: Triatominae). Rev Pan-Amaz Saude 2: 73–78.
Schofield CJ, Upton CP, 1978. Brindley's scent-glands and the metasternal scent glands of Panstrongylus megistus (Hemiptera,Reduviidae, Triatominae). Rev Bras Biol 38: 665–678.
Rossiter M, Staddon BW, 1983. 3-Methyl-2-hexanone from the bug Dipetalogaster maximus (Uhler) (Heteroptera; Reduviidae). Experientia 39: 380–381.
Dumser JB, Davey KG, 1974. Endocrinological and other factors influencing testis development in Rhodnius prolixus. Can J Zool 52: 1011–1022.
Alevi KCC, Mendonça PP, Pereira NP, Rosa JA, Azeredo-Oliveira MTV, 2013. Spermatogenesis in Triatoma melanocephala (Hemiptera, Triatominae). Genet Mol Res 12: 4944–4947.
Alevi KC, Mendonça PP, Pereira NP, Fernandes AL, da Rosa JA, de Azeredo-Oliveira MT, 2013. Analysis of spermiogenesis like a tool in the study of the triatomines of the Brasiliensis subcomplex. C R Biol 336: 46–50.
Alevi KCC, Mendonça PP, Pereira NP, Rosa JA, Azeredo-Oliveira MTV, 2013. Heteropyknotic filament in spermatids of Triatoma melanocephala and T. vitticeps (Hemiptera, Triatominae). Inv Rep Dev 58: 9–12.
Perondini ALP, Costa MJ, Brasileiro VLF, 1975. Biologia do Triatoma brasiliensis. II. Observações sobre autogenia. Rev Saude Publica 9: 363–370.
Brasileiro VLF, Perondini ALP, 1982. Biologia de Triatoma brasiliensis Neiva, 1911 (Hemiptera, Reduviidae, Triatominae). IV – Parâmetros relacionados à muda imaginal. Rev Nord Biol 5: 45–55.
Costa J, Almeida CE, Lins A, Vinhaes M, Silveira AC, Beard CB, 2003. The epidemiologic importance of Triatoma brasiliensis as a chagas disease vector in Brazil: a revision of domiciliary captures during 1993–1999. Mem Inst Oswaldo Cruz 98: 443–449.
Alencar JE, Santos AR, Bezerra OF, Saraiva TM, 1976. Distribuição geográfica dos principais vetores de endemias no estado do Ceará. I - Triatomíneos. Rev Soc Bras Med Trop 10: 261–283.
De Vaio ES, Grucci B, Castagnino AM, Franca ME, Martinez ME, 1985. Meiotic differences between three triatomine species (Hemiptera:Reduviidae). Genetica 67: 185–191.
Alevi KCC, Mendonça PP, Pereira NP, Rosa JA, Azeredo-Oliveira MTV, 2012. Karyotype of Triatoma melanocephala Neiva and Pinto (1923). Does this species fit in the Brasiliensis subcomplex? Infect Genet Evol 12: 1652–1653.
Succi M, Alevi KCC, Mendonça PP, Bardella VB, Rosa JA, Azeredo-Oliveira MTV, 2014. Spermatogenesis in Triatoma williami Galvão, Souza and Lima (1965) (Hemiptera, Triatominae). Inv Rep Dev 58: 124–127.
Pérez R, Panzera Y, Scafiezzo S, Mazzella MC, Panzera F, Dujardin J, Scvortzoff E, 1992. Cytogenetics as a tool for Triatominae species distinction (Hemiptera-Reduviidade). Mem Inst Oswaldo Cruz 87: 353–361.
Mello MLS, Maria SS, Tavares MCH, 2000. Heat shock-induced apoptosis in germ line cells of Triatoma infestans Klug. Genet Mol Biol 23: 301–304.
Waage JK, 1979. Adaptive significance of postcopulatory guarding of mates and nonmates by male Calopteryx maculate (Odonata). Behav Ecol Sociobiol 6: 147–154.
Civetta A, 1999. Direct visualization of sperm competition and sperm storage in Drosophila. Curr Biol 9: 841–844.
Edvardsson M, Arnqvist G, 2000. Copulatory courtship and cryptic female choice in red flour beetles Tribolium castaneum. Proc Biol Sci 267: 559–563.
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The triatomines are vectors of the protozoan Trypanosoma cruzi, etiologic agent of Chagas disease. These insects are sexually active after the imaginal molt. Some aspects have been studied in Triatoma brasiliensis during the imaginal molt, such as autogeny in virgin females and the relationship between blood ingestion by fifth instar nymph and the realization of the imaginal molt. Thus, to aid in the understanding of reproductive biology and developmental physiology of these vectors, this article analyzes the spermatogenesis of T. brasiliensis during the imaginal molt. The analysis of the seminiferous tubules from males in the fifth instar during imaginal molt has demonstrated that T. brasiliensis has only a few spermatids and a plentiful quantity of sperm. Thus, we suggest that during imaginal molt the cell division is disrupted aiming to reduce energy costs and the differentiation into sperm is stimulated to ensure the paternity of the adult male.
Financial support: The study was supported by Fundação de Amparo à Pesquisa do Estado de São Paulo (process numbers 2013/19764-0 - FAPESP, Brazil) and Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, Brazil).
Authors' addresses: Kaio Cesar Chaboli Alevi, Ana Letícia Guerra, Carlos Henrique Lima Imperador, and Maria Tercília Vilela de Azeredo-Oliveira, Departmento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Rua Cristóvão Colombo, 2265, São José do Rio Preto, Brazil, E-mails: kaiochaboli@hotmail.com, analebio@yahoo.com.br, karlosimpe@gmail.com, and tercilia@ibilce.unesp.br. João Aristeu da Rosa, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Departamento de Ciências Biológicas, Rod. Araraquara-Jaú, Km 1 - Araraquara – SP, Araraquara, São Paulo, Brazil, E-mail: joaoaristeu@gmail.com.
World Health Organization, 2015. Chagas Disease (American Trypanosomiasis). Available at: http://www.who.int/mediacentre/factsheets/fs340/en/. Accessed September 27, 2015.
Rocha DS, Solano C, Jurberg J, Cunha V, Galvão C, 2011. Laboratory analysis of the flight of Rhodnius brethesi Matta, 1919, potential wild vector of Trypanosoma cruzi in the Brazilian Amazon. (Hemiptera: Reduviidae: Triatominae). Rev Pan-Amaz Saude 2: 73–78.
Schofield CJ, Upton CP, 1978. Brindley's scent-glands and the metasternal scent glands of Panstrongylus megistus (Hemiptera,Reduviidae, Triatominae). Rev Bras Biol 38: 665–678.
Rossiter M, Staddon BW, 1983. 3-Methyl-2-hexanone from the bug Dipetalogaster maximus (Uhler) (Heteroptera; Reduviidae). Experientia 39: 380–381.
Dumser JB, Davey KG, 1974. Endocrinological and other factors influencing testis development in Rhodnius prolixus. Can J Zool 52: 1011–1022.
Alevi KCC, Mendonça PP, Pereira NP, Rosa JA, Azeredo-Oliveira MTV, 2013. Spermatogenesis in Triatoma melanocephala (Hemiptera, Triatominae). Genet Mol Res 12: 4944–4947.
Alevi KC, Mendonça PP, Pereira NP, Fernandes AL, da Rosa JA, de Azeredo-Oliveira MT, 2013. Analysis of spermiogenesis like a tool in the study of the triatomines of the Brasiliensis subcomplex. C R Biol 336: 46–50.
Alevi KCC, Mendonça PP, Pereira NP, Rosa JA, Azeredo-Oliveira MTV, 2013. Heteropyknotic filament in spermatids of Triatoma melanocephala and T. vitticeps (Hemiptera, Triatominae). Inv Rep Dev 58: 9–12.
Perondini ALP, Costa MJ, Brasileiro VLF, 1975. Biologia do Triatoma brasiliensis. II. Observações sobre autogenia. Rev Saude Publica 9: 363–370.
Brasileiro VLF, Perondini ALP, 1982. Biologia de Triatoma brasiliensis Neiva, 1911 (Hemiptera, Reduviidae, Triatominae). IV – Parâmetros relacionados à muda imaginal. Rev Nord Biol 5: 45–55.
Costa J, Almeida CE, Lins A, Vinhaes M, Silveira AC, Beard CB, 2003. The epidemiologic importance of Triatoma brasiliensis as a chagas disease vector in Brazil: a revision of domiciliary captures during 1993–1999. Mem Inst Oswaldo Cruz 98: 443–449.
Alencar JE, Santos AR, Bezerra OF, Saraiva TM, 1976. Distribuição geográfica dos principais vetores de endemias no estado do Ceará. I - Triatomíneos. Rev Soc Bras Med Trop 10: 261–283.
De Vaio ES, Grucci B, Castagnino AM, Franca ME, Martinez ME, 1985. Meiotic differences between three triatomine species (Hemiptera:Reduviidae). Genetica 67: 185–191.
Alevi KCC, Mendonça PP, Pereira NP, Rosa JA, Azeredo-Oliveira MTV, 2012. Karyotype of Triatoma melanocephala Neiva and Pinto (1923). Does this species fit in the Brasiliensis subcomplex? Infect Genet Evol 12: 1652–1653.
Succi M, Alevi KCC, Mendonça PP, Bardella VB, Rosa JA, Azeredo-Oliveira MTV, 2014. Spermatogenesis in Triatoma williami Galvão, Souza and Lima (1965) (Hemiptera, Triatominae). Inv Rep Dev 58: 124–127.
Pérez R, Panzera Y, Scafiezzo S, Mazzella MC, Panzera F, Dujardin J, Scvortzoff E, 1992. Cytogenetics as a tool for Triatominae species distinction (Hemiptera-Reduviidade). Mem Inst Oswaldo Cruz 87: 353–361.
Mello MLS, Maria SS, Tavares MCH, 2000. Heat shock-induced apoptosis in germ line cells of Triatoma infestans Klug. Genet Mol Biol 23: 301–304.
Waage JK, 1979. Adaptive significance of postcopulatory guarding of mates and nonmates by male Calopteryx maculate (Odonata). Behav Ecol Sociobiol 6: 147–154.
Civetta A, 1999. Direct visualization of sperm competition and sperm storage in Drosophila. Curr Biol 9: 841–844.
Edvardsson M, Arnqvist G, 2000. Copulatory courtship and cryptic female choice in red flour beetles Tribolium castaneum. Proc Biol Sci 267: 559–563.
Past two years | Past Year | Past 30 Days | |
---|---|---|---|
Abstract Views | 19 | 19 | 4 |
Full Text Views | 225 | 74 | 0 |
PDF Downloads | 45 | 6 | 0 |