Results 21 to 30 of about 2,970 (183)

Elimination of Rhodnius prolixus in El Salvador, Central America

Memorias do Instituto Oswaldo Cruz, 2012
Epidemiological studies performed in El Salvador between 1955-1972 demonstrated a high frequency of two triatomine vectors (Triatoma dimidiata and Rhodnius prolixus). However, the frequency of R.
Rafael Antonio Cedillos, José Eduardo Romero, Emi Sasagawa   +2 more
doaj   +1 more source

Metalloproteases in Trypanosoma rangeli-infected Rhodnius prolixus [PDF]

Memórias do Instituto Oswaldo Cruz, 1999
Protease activities in the haemolymph and fat body in a bloodsucking insect, Rhodnius prolixus, infected with Trypanosoma rangeli, were investigated. After SDS-polyacrylamide gel electrophoresis containing gelatin as substrate, analysis of zymograms performed on samples of different tissues of controls and insects inoculated or orally infected with ...
Feder, D, Gomes, SAO, Garcia, ES, Azambuja, P   +3 more
openaire   +4 more sources

Experimental Infection of Rhodnius prolixus (Hemiptera, Triatominae) with Mycobacterium leprae Indicates Potential for Leprosy Transmission.

PLoS ONE, 2016
Leprosy is a chronic dermato-neurological disease caused by infection with Mycobacterium leprae. In 2013 almost 200,000 new cases of leprosy were detected around the world.
Arthur da Silva Neumann, Felipe de Almeida Dias, Jéssica da Silva Ferreira, Amanda Nogueira Brum Fontes, Patricia Sammarco Rosa, Rafael Enrique Macedo, José Henrique Oliveira, Raquel Lima de Figueiredo Teixeira, Maria Cristina Vidal Pessolani, Milton Ozório Moraes, Philip Noel Suffys, Pedro L Oliveira, Marcos Henrique Ferreira Sorgine, Flavio Alves Lara   +13 more
doaj   +1 more source

Aggregation Behaviour and Interspecific Responses in Rhodnius prolixus Stål

Memorias do Instituto Oswaldo Cruz, 2002
The response to intra- and interspecific faecal assembling signals was tested in Rhodnius prolixus. Papers impregnated with excrement of R. prolixus induced the aggregation of larvae of this species, but also of those of Triatoma infestans.
Alicia N Lorenzo Figueiras, Claudio R Lazzari   +1 more
doaj   +1 more source

New Cell Lines Derived from Laboratory Colony Triatoma infestans and Rhodnius prolixus, Vectors of Trypanosoma cruzi, Do Not Harbour Triatoma Virus

Insects, 2022
Triatomine bugs of the genera Triatoma and Rhodnius are vectors of Chagas disease, a neglected tropical disease of humans in South America caused by Trypanosoma cruzi. Triatoma virus (TrV), a natural pathogen of Triatoma infestans, has been proposed as a
Rebekah Penrice-Randal, Catherine Hartley, Alexandra Beliavskaia, Xiaofeng Dong, Luke Brandner-Garrod, Miranda Whitten, Lesley Bell-Sakyi   +6 more
doaj   +1 more source

Los patrones electroforéticos de proteínas salivales permiten diferenciar los grupos transandino y cisandino de las especies de Rhodnius de Colombia

Biomédica: revista del Instituto Nacional de Salud, 2020
Introducción. Las especies Rhodnius (Hemiptera: Reduviidae: Triatominae) están conformadas por insectos hematófagos vectores de Trypanosoma cruzi, agente etiológico de la enfermedad de Chagas, y T.
Arlid Meneses, Cristian Camilo Rodríguez, Yazmín Suárez, Julio César Carranza, Gustavo Adolfo Vallejo   +4 more
doaj   +1 more source

Attraction of Rhodnius prolixus males to a synthetic female-pheromone blend

Parasites & Vectors, 2018
Background The triatomine bug Rhodnius prolixus Stål, 1859 (Heteroptera: Reduviidae) is the primary vector of Chagas disease in Colombia and Venezuela. An important step in controlling Chagas disease is monitoring the growth and spread of bug populations
Björn Bohman, Alyssa M. Weinstein, C. Rikard Unelius, Marcelo G. Lorenzo   +3 more
doaj   +1 more source

Studies on Trypanosoma rangeli Tejera, 1920: V - Developmental pattern in the alimentary canal of Rhodnius prolixus

Memorias do Instituto Oswaldo Cruz, 1983
The morphological sequence of Trypanosoma rangeli development in the alimentary canal of Rhodnius prolixus, is described, with observation made in dissected guts from 6 hours to 45 days post-infection.
N. Añez
doaj   +1 more source

Behavioral fever response in Rhodnius prolixus (Reduviidae: Triatominae) to intracoelomic inoculation of Trypanosoma cruzi

Revista da Sociedade Brasileira de Medicina Tropical
: INTRODUCTION: Behavioral fever is a response to infections with microorganisms observed in some poikilothermic animals. Rhodnius prolixus is involved in the transmission of two parasites: Trypanosoma cruzi (pathogenic for humans and transmitted in ...
Gloria Hinestroza, Mario Iván Ortiz, Jorge Molina   +2 more
doaj   +1 more source

Verificação de flagelados semelhantes ao Trypanosoma rangeli Tejera, em Rhodnius prolixus alimentados em caso de doença de Chagas na Venezuela: considerações sobre a natureza deste protozoário

Memorias do Instituto Oswaldo Cruz, 1943
1) - Por inoculação do sangue de um caso agúdo de moléstia de Chagas de Zaraza, Guárico, Venezuela, em cobaia (12-11-1940), obteve-se um Schizotrypanum com caractéres morfológicos distintos dos das amostras humanas comuns do Schizotrypanum cruzi; seu ...
Emmanuel Dias, J. F. Torrealba
doaj   +1 more source