Results 21 to 30 of about 2,736 (181)

Chagas disease: Importance of rats as reservoir hosts of Trypanosoma cruzi (Chagas, 1909) in western Mexico

Journal of Infection and Public Health, 2018
In Mexico, the role of most species of mammals involved in the transmission cycle of Trypanosoma cruzi Chagas, 1909 is poorly known. It was carried out a study to investigate the importance of rats as reservoir of T. cruzi in western Mexico, an area with
Gumercindo G. Rosal, Benjamín Nogueda-Torres, María E. Villagrán, José A. de Diego-Cabrera, Oziel D. Montañez-Valdez, José A. Martínez-Ibarra   +5 more
doaj   +1 more source

Heme crystallization in the midgut of triatomine insects [PDF]

Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology, 2007
Hemozoin (Hz) is a heme crystal produced by several blood-feeding organisms in order to detoxify free heme released upon hemoglobin (Hb) digestion. Here we show that heme crystallization also occurs in three species of triatomine insects. Ultraviolet-visible and infrared light absorption spectra of insoluble pigments isolated from the midgut of three ...
Marcus F, Oliveira, Ana Caroline P, Gandara, Cláudia M S, Braga, José R, Silva, Flavia B, Mury, Marílvia, Dansa-Petretski, Diego, Menezes, Marcos A, Vannier-Santos, Pedro L, Oliveira   +8 more
openaire   +2 more sources

Periurban Trypanosoma cruzi–infected Triatoma infestans, Arequipa, Peru

Emerging Infectious Diseases, 2006
In Arequipa, Peru, vectorborne transmission of Chagas disease by Triatoma infestans has become an urban problem. We conducted an entomologic survey in a periurban community of Arequipa to identify risk factors for triatomine infestation and determinants ...
Michael Z. Levy, Natalie M. Bowman, Vivian Kawai, Lance A. Waller, Juan Cornejo del Carpio, Eleazar Cordova Benzaquen, Robert H. Gilman, Caryn Bern   +7 more
doaj   +1 more source

Ecopathogenic complexes of American trypanosomiasis in endemic areas of Venezuela: Diagnosis and variability of Trypanosoma cruzi

Journal of Vector Borne Diseases, 2021
Background & objectives: Trypanosoma cruzi, the causative agent of American trypanosomiasis, has been reported in 180 mammalian species and 154 triatomines species of Neotropic.
Daisy Lozano-Arias, Roberto García-Alzate, Evelyn Tineo, Mercedes Viettri, Alexis Mendoza-León, Cruz M Aguilar, Antonio Morocoima, Elizabeth Ferrer, Leidi Herrera   +8 more
doaj   +1 more source

Triatoma rosai sp. nov. (Hemiptera, Triatominae): A New Species of Argentinian Chagas Disease Vector Described Based on Integrative Taxonomy

Insects, 2020
Chagas disease is the most prevalent neglected tropical disease in the Americas and makes an important contribution to morbidity and mortality rates in countries where it is endemic since 30 to 40% of patients develop cardiac diseases, gastrointestinal ...
Kaio Cesar Chaboli Alevi, Jader de Oliveira, Ariane Cristina Caris Garcia, Daniel Cesaretto Cristal, Luiza Maria Grzyb Delgado, Isadora de Freitas Bittinelli, Yago Visinho dos Reis, Amanda Ravazi, Ana Beatriz Bortolozo de Oliveira, Cleber Galvão, Maria Tercília Vilela de Azeredo-Oliveira, Fernanda Fernandez Madeira   +11 more
doaj   +1 more source

Effect of habitat fragmentation on rural house invasion by sylvatic triatomines: A multiple landscape-scale approach.

PLoS Neglected Tropical Diseases, 2021
After the decrease of the relative importance of Triatoma infestans, a number of studies reported the occurrence of sylvatic triatomines dispersing actively to domestic environments in the dry western Chaco Region of Argentina.
Miriam Cardozo, Federico Gastón Fiad, Liliana Beatríz Crocco, David Eladio Gorla   +3 more
doaj   +1 more source

Natural infection of triatomines (Hemiptera: Reduviidae) by trypanosomatids in two different environments in the municipality of Ouro Preto do Oeste, State of Rondônia, Brazil

Revista da Sociedade Brasileira de Medicina Tropical, 2012
INTRODUCTION: This study analyzed the occurrence and the contamination of triatomines by trypanosomatids in Orbignya speciosa (babassu) specimens in the State of Rondônia, Brazil, in two different environments (pasture and woods).
Dionatas Ulisses de Oliveira Meneguetti, Olzeno Trevisan, Luís Marcelo Aranha Camargo, Renato Moreira Rosa   +3 more
doaj   +1 more source

Investigation of the triatomine (Hemiptera: Triatominae) fauna and its infection by Trypanosoma cruzi Chagas (Kinetoplastida: Trypanosomatidae), in an area with an outbreak of Chagas disease in the Brazilian South-Western Amazon

Revista Chilena de Entomología, 2020
The present study aims to describe the occurrence of triatomines and their infection rate by Trypanosoma cruzi, in an area of Chagas disease outbreak in Rodrigues Alves municipality, Acre state, Brazil.
Fernanda Portela Madeira, Adila Costa de Jesus, Madson Huilber da Silva Moraes, Weverton Páscoa do Livramento, Maria Lidiane Araújo Oliveira, Jader de Oliveira, João Aristeu da Rosa, Luís Marcelo Aranha Camargo , Dionatas Ulises de Oliveira Meneguetti, Paulo Sérgio Bernarde   +9 more
doaj   +1 more source

Dispersal of Triatoma infestans and other Triatominae species in the arid Chaco of Argentina: Flying, walking or passive carriage? The importance of walking females

Memorias do Instituto Oswaldo Cruz, 2011
The aim of this paper was to analyse the active dispersal of Triatoma infestans and the role of chickens as passive carriers of this insect in peridomestic areas of La Rioja, Argentina.
Luciana Beatriz Abrahan, David Eladio Gorla, Silvia Susana Catalá   +2 more
doaj   +1 more source

Immune homeostasis to microorganisms in the guts of triatomines (Reduviidae): a review

Memorias do Instituto Oswaldo Cruz, 2010
Bacteria, fungi and parasites are in constant contact with the insect gut environment and can influence different aspects of the host gut physiology. Usually, some of these microorganisms develop and survive in the digestive tract.
Eloi S Garcia, Daniele P Castro, Marcela B Figueiredo, Patrícia Azambuja   +3 more
doaj   +1 more source