Abstract A relatively high leishmanial infection rate was found in the phlebotomine sandfly Lutzomyia longipalpis collected from three villages of the Los Yungas region (Department of La Paz, Bolivia). 2,578 ...

Abstract. -A genetic interpretation of the zymograms of 524 Trypanosoma cruzi stocks from various hosts and representing a broad geographical range (United States to Southern Brazil) reveals high genetic ...

Trypanosoma cruzi, the etiological agent of Chagas' disease, is a very heterogeneous population of parasites circulating among man, vectors and wild and domestic reservoirs. Until now, few data have been ...

The ancient guestion of trypanosome sexuality has recently been reactivated in view of important observations in the African species Trypanosoma brucie, in which Mendelian sexuality has been proposed as o working hypothesis ...

Summary Two monoclonal antibodies anti-component 5 of Trypanosoma cruzi (I-35/115 and II-190/30) were tested in IFA and ELISA respectively against 35 T. cruzi laboratory clones. Among the 35 clones tested, 18 different ...

La vie à haute altitude présente des aspects biologiques et médicaux très intéressants. Pour certains pays, comme les pays andins, elle a également des implications socio-économiques. La majorité des villes importantes de ...

The association of certain human blood groups with parasites is a controversial subject. In some cases positive correlations have been demonstrated, as in schistosomiasis (Pereira et al., 1979) and giardiasis (Barnes and ...

Los efectos del stress hipóxico doble: hipoxia hipobárica y tabaquismo importante en un grupo de 33 fumadores (25 varones, 8 mujeres) residentes en La Paz, fueron estudiados mediante análisis poliparamétrico de variables ...

RESUMEN. Se estudiaron los alcaloides presentes en frutos de Caryomene olivascens Barneby et Krukoff (Menispermáceas). Por desengrasado y extracción posterior con cloruro de metileno se aislaron 8 alcaloides cuaternarios: ...