Results 41 to 50 of about 1,017 (155)

Triatomíneos: ação ovicida de alguns piretróides Triatomine: ovicida action of some pyretroids

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2002
A ação ovicida dos inseticidas tem sido pouco considerada nas atividades de controle dos transmissores da endemia chagásica. No sentido de comparar o potencial ovicida de três piretróides sintéticos (lambdacialotrina, alphacipermetrina e deltametrina ...
Vera Lúcia Cortiço Corrêa Rodrigues   +3 more
doaj   +1 more source

Immunomodulation by Trypanosoma cruzi: Toward Understanding the Association of Dendritic Cells with Infecting TcI and TcII Populations

open access: yesJournal of Immunology Research, Volume 2014, Issue 1, 2014., 2014
Dendritic cells (DCs) are major immune components, and depending on how these cells are modulated, the protective host immune response changes drastically. Trypanosoma cruzi is a parasite with high genetic variability and modulates DCs by interfering with their capacity for antigen recognition, migration, and maturation.
Thiago Alvares da Costa   +9 more
wiley   +1 more source

Mitochondrial PCR‐RFLP Assay to Distinguish Triatoma brasiliensis macromelasoma from Triatoma brasiliensis brasiliensis Subspecies (Hemiptera: Reduviidae)

open access: yesJournal of Tropical Medicine, Volume 2013, Issue 1, 2013., 2013
Triatoma brasiliensis sensu lato (s.l.), the main vector of Chagas disease in northeastern Brazil, is a species complex comprising four species, one with two subspecies (T. brasiliensis brasiliensis, T. brasiliensis macromelasoma, T. juazeirensis, T. sherlocki, and T. melanica), and each taxon displaying distinct ecological requirements.
Daniel Pagotto Vendrami   +4 more
wiley   +1 more source

Biologic and Genetics Aspects of Chagas Disease at Endemic Areas

open access: yesJournal of Tropical Medicine, Volume 2012, Issue 1, 2012., 2012
The etiologic agent of Chagas Disease is the Trypanosoma cruzi, transmitted through blood‐sucking insect vectors of the Triatominae subfamily, representing one of the most serious public health concerns in Latin America. There are geographic variations in the prevalence of clinical forms and morbidity of Chagas disease, likely due to genetic variation ...
Marilanda Ferreira Bellini   +5 more
wiley   +1 more source

Evidenciação de antígeno da hepatite B (HBsAg) em "manchas" obtidas de exemplares de Triatominae: nota prévia Hepatitis B antigen (HBsAg) in wildcaught Triatominae in Brazil: communication

open access: yesRevista de Saúde Pública, 1976
De 890 "manchas" provenientes de insetos dos gêneros Panstrongylus, Rhodnius e Triatoma, positivas para sangue humano, 7 deram resultados presumptivamente positivos por hemaglutinação passiva para HBsAg.
J. A. N. Candeias   +2 more
doaj   +1 more source

Geographic Distribution of Chagas Disease Vectors in Brazil Based on Ecological Niche Modeling

open access: yesJournal of Tropical Medicine, Volume 2012, Issue 1, 2012., 2012
Although Brazil was declared free from Chagas disease transmission by the domestic vector Triatoma infestans, human acute cases are still being registered based on transmission by native triatomine species. For a better understanding of transmission risk, the geographic distribution of Brazilian triatomines was analyzed.
Rodrigo Gurgel-Gonçalves   +4 more
wiley   +1 more source

Triatoma sordida

open access: yes
Triatoma sordida (Stål, 1859c) https://biodar.unlp.edu.ar/cimicomorpha/en/info/20504.html (Fig. 12G) Material studied: 1♀, 2021, A. Serrano col., M.C. Melo det. (MLP); 2♀, 25.007460 S- 60.946675 W, 2-9/XII/2019, L. Damer col., M.C. Melo det. (MLP).
Castro-Huertas, Valentina   +3 more
openaire   +4 more sources

Occurrence of positivity for Trypanosoma cruzi in triatomine from municipalities in Southeastern Brazil, from 2002 to 2004 Ocorrência e positividade para Trypanosoma cruzi em triatomíneos de municípios da região sudeste do Brasil, de 2002 a 2004

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2010
INTRODUCTION: from an epidemiological point of view, more than 120 species of triatomine (Hemiptera, Reduviidae) are known. The occurrence and positivity for Trypanosoma cruzi in triatomines in 16 municipalities of the Triângulo Mineiro and Alto ...
Márcia Beatriz Cardoso de Paula   +7 more
doaj   +1 more source

Distribution of sylvatic Triatoma sordida and Triatoma guasayana captured in different ecotopes in the Paraguayan Chaco.

open access: yes, 2013
Distribution of sylvatic Triatoma sordida and Triatoma guasayana captured in different ecotopes in the Paraguayan Chaco.
Fabiola Román (352106)   +4 more
core   +1 more source

Aspectos ecológicos da Tripanossomíase americana: VI - Persistência do Triatoma sordida apósalteração ambiental e suas possíveis relações com a dispersão da espécie Ecological aspects of South American trypanosomiasis: VI. Permanence of Triatoma sordida after environmental alteration and its possibles relation to dispersion

open access: yesRevista de Saúde Pública, 1974
São relatadas as observações sobre a persistência do Triatoma sordida em área onde foi procedida alteração temporária da cobertura vegetal. Os resultados obtidos demonstram a capacidade de resistência do triatomíneo a esse fator.
Oswaldo Paulo Forattini   +3 more
doaj   +1 more source

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