Strain variation in the infectivity of Schistosoma mansoni for Biomphalaria glabrata

Author:

Dias Luiz Candido de Souza1,Bruce John I.2,Coles Gerald C.3

Affiliation:

1. State University of Campinas, Brazil

2. University of Lowell, U.S.A

3. University of Massachusetts, U.S.A

Abstract

Five strains of Schistosoma mansoni resistant and susceptible to schistosomicides were studied for infectivity of 2 strains of Biomphalaria glabrata one of Puerto Rican origin and the other of Brazilian origin. Puerto Rican strains of S. Mansoni developed more slowly and had a lower infectivity in Brazilian B. glabrata than did the Brazilian S. mansoni. However, Brazilian S. Mansoni developed as well in Puerto Rican snails as in Brazilian snails, indicating that drug resistant strains could easily be moved by travel of infected persons from one area to another.

Publisher

FapUNIFESP (SciELO)

Subject

Infectious Diseases,General Medicine

Reference22 articles.

1. Culturing Biomphalaria and Oncomelania (Gastropoda) for large scale studies of schistoso miasis: I. Cultivation of Biomphalaria glabrata and maintenance of Schistosoma mansoni in the laboratory;BRUCE J. I.;Bio-Medical Reports of the 406th Medical Laboratory,1971

2. Intermediate host specificity in Schistosoma mansoni;BASCH P. F.;Exp. Parasit.,1976

3. Alteration of Schistosoma mansoni malate dehydrogenase isoenzymes on passage in the laboratory;COLES G. C.;Comp. Biochem. Physiol.,1971

4. Veterinarian clinics of North America, food animal practices;COLES G. C.,1986

5. In vitro selection of drugresistant Schistosoma mansoni;COLES G. C.;Int. J. Parasit.,1987

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