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Artículo

Prevalence and distribution of parasites and pathogens of Triatominae from Argentina, with emphasis on Triatoma infestans and Triatoma virus TrV

Marti, Gerardo AnibalIcon ; Echeverria, Maria GabrielaIcon ; Susevich, Maria LauraIcon ; Becnel, James J.; Pelizza, Sebastian AlbertoIcon ; Garcia, Juan Jose
Fecha de publicación: 11/2009
Editorial: Academic Press Inc Elsevier Science
Revista: Journal of Invertebrate Pathology
ISSN: 0022-2011
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Zoología, Ornitología, Entomología, Etología

Resumen

Chagas' disease is the most important endemic arthropod-zoonosis in Argentina with an estimated 1.6 million people infected with the causative agent Trypanosoma cruzi. Triatoma infestans is the main vector of Chagas' disease in Argentina. A survey for parasites and pathogens of Triatominae was conducted from August 2002 to February 2005. Collections of insects were made in domiciles, peridomiciles, and in the natural habitats of the Triatominae. Insects from these collections were dissected and their organs and tissues examined for flagellates. Frass from these insects was collected and examined for detection of the entomopathogenic virus Triatoma virus (TrV) using AC-ELISA and PCR. Triatominae belonging to four species, T. infestans (n = 1646), Triatoma guasayana (n = 4), Triatoma platensis (n = 1) and Triatoma sordida (n = 5) were collected from 62 sites located in 13 provinces of Argentina. Triatoma virus and two protozoan species, Blastocrithidia triatomae and T. cruzi, the etiological agent of Chagas disease, were found infecting Triatominae. The total prevalence of TrV in 1646 T. infestans analyzed by ELISA was 9.66% (159/1646) from 7 to 13 provinces where collections were made. Triatoma virus positive triatomines were found in 17 of 62 populations when examined by AC-ELISA but in 38 of 62 populations when PCR was used for detection. The prevalence of B. triatomae in T. infestans was 0.43% (7/1646), while the prevalence of T. cruzi was 1.3% (21/1646). This is the first study on the diversity, distribution and prevalence of flagellated protozoa and TrV of Triatominae in endemic Chagas' disease regions of Argentina.
Palabras clave: Blastocrithidia Triatomae , Triatoma Infestans , Triatoma Virus , Triatominae , Trypanosoma Cruzi
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/81860
URL: https://www.sciencedirect.com/science/article/pii/S0022201109001529
DOI: http://dx.doi.org/10.1016/j.jip.2009.06.010
Colecciones
Articulos(CCT - LA PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Articulos(CEPAVE)
Articulos de CENTRO DE EST.PARASITOL.Y DE VECTORES (I)
Articulos(CRILAR)
Articulos de CENTRO REGIONAL DE INV. CIENTIFICAS Y TRANSFERENCIA TECNOLOGICA DE ANILLACO
Articulos(IGEVET)
Articulos de INST.DE GENETICA VET ING FERNANDO NOEL DULOUT
Citación
Marti, Gerardo Anibal; Echeverria, Maria Gabriela; Susevich, Maria Laura; Becnel, James J.; Pelizza, Sebastian Alberto; et al.; Prevalence and distribution of parasites and pathogens of Triatominae from Argentina, with emphasis on Triatoma infestans and Triatoma virus TrV; Academic Press Inc Elsevier Science; Journal of Invertebrate Pathology; 102; 3; 11-2009; 233-237
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