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Título : | Molecular and biologic characterization of Leishmania parasites implicated in an epidemic outbreak in northwestern Argentina | Autor : | Segura, Elsa L. Juan, Néstor Piquin, A. Cuba Cuba, César A. Abramo Orrego, Liliana McMahon-Pratt, Diane Montamat, Enrique E. Momen, Hooman Grimaldi, Gabriel |
Palabras clave : | Leishmania;Epidemias;Argentina | Fecha de publicación : | 2000 | Journal: | Parasitology research | Resumen : | Leishmania (Viannia) braziliensis and its variants were implicated in the epidemic outbreak of mucocutaneous leishmaniasis that occurred in Salta, northwestern Argentina, in 1985. A total of 24 suspect- ed, untreated cases were evaluated clinically and para- sitologically. Four of ®ve stable isolates were consistent with the reference strain of L. (V.) braziliensis as determined by monoclonal antibodies and indirect immuno¯uorescence or radioimmunobinding assays. Zymodeme analysis in agarose gels showed a close relationship with L. (V.) guyanensis and L. (V.) pan- amensis. All zymograms obtained with polyacrylamide gels belonged to the subgenus Viannia; the patterns were di erent from, but very closely related to, the reference strains of L. (V.) braziliensis as determined by dendro- gram analysis. Hamsters infected with two isolates showed a pattern consistent with L. (V.) braziliensis. The pattern of development in the gut of Lutzomyia longipalpis was consistent with members of Viannia. |
Descripción : | Fil: Segura, Elsa L. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Parasitología; Argentina. Fil: Juan, Néstor. † Fil: Piquin, A. Hospital Dr Vicente Arroyabe, Salta; Argentina. Fil: Cuba Cuba, César A. Universidade de Brasilia. Departamento de Patologia; Brasil. Fil: Abramo Orrego, Liliana. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Parasitología; Argentina. Fil: McMahon-Pratt, Diane. Yale University School of Medicine. Department of Epidemiology and Public Health, New Haven, Connecticut; Estados Unidos. Fil: Montamat, Enrique E. Universidad de Córdoba. Facultad de Medicina. Cátedra de Química Biológica; Argentina. Fil: Momen, Hooman. Instituto Oswaldo Cruz. Department of Immunology, Río de Janeiro; Brasil. Fil: Grimaldi, Gabriel. Instituto Oswaldo Cruz. Department of Immunology, Río de Janeiro; Brasil. |
URI : | http://sgc.anlis.gob.ar/handle/123456789/458 | ISSN : | 1432-1955 | Derechos: | Open Access Creative Commons Attribution 4.0 International License |
Aparece en las colecciones: | Preproducción Publicaciones INP |
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