Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid

Detalhes bibliográficos
Autor(a) principal: Pessoa, Grasielle Caldas D Ávila
Data de Publicação: 2015
Outros Autores: 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
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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spelling 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
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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
url https://www.arca.fiocruz.br/handle/icict/12707
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Sociedade Brasileira de Medicina Tropical
publisher.none.fl_str_mv Sociedade Brasileira de Medicina Tropical
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
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