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Supervivencia e infectividad de formas metacíclicas de Trypanosoma cruzi en alimentos experimentalmente contaminados
(Boletín de malariología y salud ambiental. Vol. XLIX, Nº 1, enero-julio, 2009, 2009-07)
Se registra el tiempo de supervivencia de formas metacíclicas de Trypanosoma cruzi,
obtenidas del tracto digestivo de Rhodnius prolixus, sobre alimentos contaminados experimentalmente.
Observaciones entre 1h y 18h ...
Trypanosoma cruzi congenital transmission in wild bats
(Acta Tropica 109 (2009), 2009)
Trypanosoma cruzi congenital transmission in wild bats (Molossus molossus), associated with infected
Rhodnius prolixus in a natural habitat from a rural locality in western Venezuela, is reported. T. cruzi blood
circulating ...
Supervivencia de formas de cultivo de Trypanosoma cruzi en alimentos experimentalmente contaminados
(Boletín de malariología y salud ambiental. Vol. XLVIII, Nº 1, enero-julio, 2008, 2008-07)
Se registra la supervivencia de formas de cultivo de Trypanosoma cruzi en alimentos
experimentalmente contaminados. En 8 de 11 (73%) muestras de frutas y hortalizas utilizadas en
los experimentos los parásitos permanecieron ...
Isolation, purification, characterization and antigenic evaluation of GPI-anchored membrane proteins from Leishmania (Viannia) braziliensis
(Acta Tropica 105 (2008), 2008)
GPI-anchored proteins from the plasma membrane of Leishmania (Viannia) braziliensis promastigotes were isolated, characterized and their
migration pattern compared with those from other Leishmania species. In all cases the ...
Expression of GP82 and GP90 surface glycoprotein genes of Trypanosoma cruzi during in vivo metacyclogenesis in the insect vector Rhodnius prolixus
(Acta Tropica 105 (2008), 2008)
Trypanosoma cruzi, the parasite causing Chagas’ disease, relies on triatomines for its transmission. T. cruzi metacyclic trypomastigotes express
GP82 and GP90, which are developmentally regulated surface proteins that have ...
Nuevos casos agudos de enfermedad de Chagas en el Occidente de Venezuela
(Salus. Revista de la Facultad de Ciencias de la Salud. Universidad de Carabobo. Diciembre 2007 - vol. 11, Supl. Nº 1, 2007-12)
Chagas en pacientes procedentes de regiones endémicas de
los estados Barinas (7) y Trujillo (2) al occidente de Venezuela,
2 de los cuales (22%) fueron fatales. Se dan detalles clínicos,
seroparasitológicos y moleculares ...
Evaluation of conventional serological tests for the diagnosis of American cutaneous Leishmaniasis
(Boletín de malariología y salud ambiental. Vol. XLVII, Nº 1, enero-julio, 2007, 2007-07)
Three serological tests (ELISA, IFAT, DAT) were evaluated using sera from selected
individuals with different American cutaneous leishmaniasis (ACL) clinical conditions. Reactivity in
at least 2 of the 3 named tests was ...
Uso de proteínas como alternativa diagnóstica para discriminar infecciones entre Trypanosoma vivax y Trypanosoma evansi
(Artículo publicado en el Boletín de malariología y salud ambiental. Vol. XLVII, Nº 1, enero-julio, 2007, 2007-07)
Tripomastigotes sanguícolas de Trypanosoma vivax y Trypanosoma evansi obtenidos de
infecciones experimentales en ovejas y ratones respectivamente, fueron utilizados para purificar y
caracterizar proteínas citosólicas ...
Comparative phylogeography of Trypanosoma rangeli and Rhodnius (Hemiptera: Reduviidae) supports a long coexistence of parasite lineages and their sympatric vectors
(Molecular Ecology (2007) 16, 2007)
To make reliable interpretations about evolutionary relationships between
Trypanosoma rangeli lineages and their insect vectors (triatomine bugs of the genus
Rhodnius ) and, thus, about the determinant factors of lineage ...
Infected dogs as a risk factor in the transmission of human Trypanosoma cruzi infection in western Venezuela
(Acta Tropica 98 (2006), 2006-07)
A total of 565 mongrel dogs from rural localities of Venezuela were examined by serological (DAT, IFAT and ELISA) and parasitological tests to address the status of Trypanosoma cruzi infection and to evaluate their role ...