2007
DOI: 10.7705/biomedica.v27i1.254
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Interacción tripanosoma-vector-vertebrado y su relación con la sistemática y la epidemiología de la tripanosomiasis americana

Abstract: Introducción. Trypanosoma rangeli es la segunda especie de tripanosoma que infecta al hombre en América Latina. Se ha observado variabilidad en las características biológicas, bioquímicas y moleculares en diferentes aislamientos de este parásito. Objetivo. Estudiar las características morfológicas y moleculares de cepas de T. rangeli aisladas de diferentes especies de Rhodnius e inoculadas en diferentes especies de vertebrados. Materiales y métodos. Se utilizaron 19 cepas de T. rangeli aisladas de R. prolixus,… Show more

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Cited by 21 publications
(21 citation statements)
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“…T. rangeli KP1(+) strains have been isolated from domiciliated R. prolixus in Honduras, Colombia and Venezuela, from wild R. neglectus in the Federal District of Brazil (Urrea et al 2005) and wild R. prolixus in Casanare (Colombia) (unpublished data). On the other hand, T. rangeli KP1(-) strains have been isolated from wild R. pallescens from Panama and Colombia, from wild R. colombiensis in the central region of Colombia and from domiciliated R. ecuadoriensis in Peru (Vallejo et al 2007). This body of work has led to concluding that T. rangeli subpopulation transmission specificity does not depend on a domestic or wild setting, but rather on the Rhodnius species possessing the factors promoting or limiting parasite infection.…”
Section: Discussionmentioning
confidence: 99%
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“…T. rangeli KP1(+) strains have been isolated from domiciliated R. prolixus in Honduras, Colombia and Venezuela, from wild R. neglectus in the Federal District of Brazil (Urrea et al 2005) and wild R. prolixus in Casanare (Colombia) (unpublished data). On the other hand, T. rangeli KP1(-) strains have been isolated from wild R. pallescens from Panama and Colombia, from wild R. colombiensis in the central region of Colombia and from domiciliated R. ecuadoriensis in Peru (Vallejo et al 2007). This body of work has led to concluding that T. rangeli subpopulation transmission specificity does not depend on a domestic or wild setting, but rather on the Rhodnius species possessing the factors promoting or limiting parasite infection.…”
Section: Discussionmentioning
confidence: 99%
“…This molecule is responsible for inhibiting the development of T. rangeli KP1(-) forms and the insect is thus resistant to this parasite subpopulation. Differential behavior occurs when R. prolixus becomes naturally or experimentally infected with T. rangeli KP1(+) since the protein does not recognize this subpopulation and the parasite could then become transmitted to the vertebrate host by inoculation route (Sánchez et al 2005, Vallejo et al 2007). …”
Section: Discussionmentioning
confidence: 99%
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“…Apesar da susceptibilidade geral das espécies do gênero Rhodnius à infecção por T. rangeli, é bem conhecida a existência de um comportamento diferencial entre isolados desse parasita e as diversas espécies de Rhodnius (SOUSA e DAWSON, 1976;D'ALESSANDRO, 1976;D'ALESSANDRO e GORE-SARAVIA,1992,1999CUBA-CUBA, 1998;MACHADO et al, 2001;VALLEJO et al, 2002VALLEJO et al, , 2003VALLEJO et al, , 2007URREA et al, 2005 (VALLEJO et al, 2002URREA et al, 2005).…”
Section: Rhodniusunclassified