Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da FIOCRUZ (ARCA) |
Texto Completo: | https://www.arca.fiocruz.br/handle/icict/12707 |
Resumo: | Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Triatomíneos e Epidemiologia da Doença de Chagas. Belo Horizonte, MG, Brasil. |
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Pessoa, Grasielle Caldas D ÁvilaRosa, Aline Cristine LuizBedin, CleonaraWilhelms, TâniaMello, Fernanda deCoutinho, Helder SilveiraFonseca, Eduardo Oyama LinsSantos, Roberto Fonseca dosDiotaiuti, Liléia Gonçalves2016-02-05T12:46:12Z2016-02-05T12:46:12Z2015PESSOA, Grasielle Caldas D Ávila et al. Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid. Rev. Soc. Bras. Med. Trop., vol.48, n.2, pp. 157-161.0037-8682https://www.arca.fiocruz.br/handle/icict/1270710.1590/0037-8682-0011-2015engSociedade Brasileira de Medicina TropicalSusceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroidinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleFundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Triatomíneos e Epidemiologia da Doença de Chagas. Belo Horizonte, MG, Brasil.Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Triatomíneos e Epidemiologia da Doença de Chagas. Belo Horizonte, MG, Brasil.Secretaria de Saúde do Rio Grande do Sul. Instituto de Pesquisas Biológicas. Laboratório Central de Saúde Pública do Rio Grande do Sul. Porto Alegre, RS, Brasil.Secretaria de Saúde do Rio Grande do Sul. Instituto de Pesquisas Biológicas. Laboratório Central de Saúde Pública do Rio Grande do Sul. Porto Alegre, RS, Brasil.Secretaria de Saúde do Rio Grande do Sul. Instituto de Pesquisas Biológicas. Laboratório Central de Saúde Pública do Rio Grande do Sul. Porto Alegre, RS, Brasil.Secretaria de Saúde da Bahia. Diretoria de Vigilância Epidemiológica. Laboratório Central de Saúde Pública da Bahia. Salvador, BA, Brasil.Secretaria de Saúde da Bahia. Diretoria de Vigilância Epidemiológica. Laboratório Central de Saúde Pública da Bahia. Salvador, BA, Brasil.Secretaria de Saúde da Bahia. Diretoria de Vigilância Epidemiológica. Laboratório Central de Saúde Pública da Bahia. Salvador, BA, Brasil.Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Triatomíneos e Epidemiologia da Doença de Chagas. Belo Horizonte, MG, BrasilINTRODUCTION: Despite years of efforts towards the elimination of Triatoma infestans in Brazil, residual foci still persist in some areas of the States of Bahia and Rio Grande do Sul. The persistence of these T. infestans populations in the country has two different origins of equal concern: operational failures or insecticide resistance. Thus, the objective of this study was to characterize the susceptibility profile of the residual Brazilian populations of T. infestans to deltamethrin. METHODS: The susceptibility reference lineage was derived from Cipein/Argentina. The populations studied were manually collected using a dislodging agent in peridomiciles in the States of Bahia (Novo Horizonte) and of Rio Grande do Sul (Santa Rosa and Doutor Maurício Cardoso). Serial dilutions of deltamethrin were prepared and applied at the dorsal abdomen of first instar nymphs. The control group received only pure acetone. Mortality was evaluated after 72h. Qualitative tests assessed the mortality of a diagnostic dose of 1xLD99 (2.76ng a.i./nymph) determined for the susceptibility reference lineage. RESULTS: The susceptibility profile characterization of the T. infestans populations revealed an RR50 ranging from 1.73 to 3.26. The mortality percentage in response to a diagnostic dose was 100%. The results obtained in the quantitative and qualitative assays corresponded for all populations. CONCLUSIONS: The results of this study indicate that the persistence of residual foci of T. infestans in Bahia and Rio Grande do Sul is not related to insecticide resistance but may be associated with operational failures. In Rio Grande do Sul, we must consider the possibility of continuous reinfestation by Argentinian individuals, which justifies active and efficient epidemiological surveillanceTriatominaeTriatoma infestansInsecticide resistanceDeltamethrininfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/12707/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALSusceptibility characterization of residual Brazilian populations.pdfSusceptibility characterization of residual Brazilian populations.pdfapplication/pdf5402730https://www.arca.fiocruz.br/bitstream/icict/12707/2/Susceptibility%20characterization%20of%20residual%20Brazilian%20populations.pdf49bd2dfc775de6283c20ee040f151868MD52TEXTSusceptibility characterization of residual Brazilian populations.pdf.txtSusceptibility characterization of residual 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dc.title.pt_BR.fl_str_mv |
Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid |
title |
Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid |
spellingShingle |
Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid Pessoa, Grasielle Caldas D Ávila Triatominae Triatoma infestans Insecticide resistance Deltamethrin |
title_short |
Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid |
title_full |
Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid |
title_fullStr |
Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid |
title_full_unstemmed |
Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid |
title_sort |
Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid |
author |
Pessoa, Grasielle Caldas D Ávila |
author_facet |
Pessoa, Grasielle Caldas D Ávila Rosa, Aline Cristine Luiz Bedin, Cleonara Wilhelms, Tânia Mello, Fernanda de Coutinho, Helder Silveira Fonseca, Eduardo Oyama Lins Santos, Roberto Fonseca dos Diotaiuti, Liléia Gonçalves |
author_role |
author |
author2 |
Rosa, Aline Cristine Luiz Bedin, Cleonara Wilhelms, Tânia Mello, Fernanda de Coutinho, Helder Silveira Fonseca, Eduardo Oyama Lins Santos, Roberto Fonseca dos Diotaiuti, Liléia Gonçalves |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Pessoa, Grasielle Caldas D Ávila Rosa, Aline Cristine Luiz Bedin, Cleonara Wilhelms, Tânia Mello, Fernanda de Coutinho, Helder Silveira Fonseca, Eduardo Oyama Lins Santos, Roberto Fonseca dos Diotaiuti, Liléia Gonçalves |
dc.subject.en.pt_BR.fl_str_mv |
Triatominae Triatoma infestans Insecticide resistance Deltamethrin |
topic |
Triatominae Triatoma infestans Insecticide resistance Deltamethrin |
description |
Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Triatomíneos e Epidemiologia da Doença de Chagas. Belo Horizonte, MG, Brasil. |
publishDate |
2015 |
dc.date.issued.fl_str_mv |
2015 |
dc.date.accessioned.fl_str_mv |
2016-02-05T12:46:12Z |
dc.date.available.fl_str_mv |
2016-02-05T12:46:12Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
PESSOA, Grasielle Caldas D Ávila et al. Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid. Rev. Soc. Bras. Med. Trop., vol.48, n.2, pp. 157-161. |
dc.identifier.uri.fl_str_mv |
https://www.arca.fiocruz.br/handle/icict/12707 |
dc.identifier.issn.none.fl_str_mv |
0037-8682 |
dc.identifier.doi.none.fl_str_mv |
10.1590/0037-8682-0011-2015 |
identifier_str_mv |
PESSOA, Grasielle Caldas D Ávila et al. Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid. Rev. Soc. Bras. Med. Trop., vol.48, n.2, pp. 157-161. 0037-8682 10.1590/0037-8682-0011-2015 |
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https://www.arca.fiocruz.br/handle/icict/12707 |
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eng |
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eng |
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Sociedade Brasileira de Medicina Tropical |
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Sociedade Brasileira de Medicina Tropical |
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