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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 101, No. s1, 2006, pp. 179-184
Bioline Code: oc06186
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 101, No. s1, 2006, pp. 179-184

 en Biomphalaria spp check for this species in other resources . (Preston, 1910) snails in the municipality of Juiz de Fora, Zona da Mata Mineira mesoregion, State of Minas Gerais, Brazil
Sandra Helena Cerrato Tibiriçá; Elisabeth Cristina Almeida Bessa; Adalberto Mittherofhe; Milton Ferreira de Castro; Omar dos Santos Carvalho; Roberta Lima Caldeira; Liana Konovaloff Jannotti Passos; Ana Márcia Menezes de Mattos; Liliane Sena Pinheiro; Dirany Sacramento e Silva; Fabiana Oliveira Bastos; Gabriela Quirino Andreoli; Glauco Resende Bonato & Elaine Soares Coimbra

Abstract

This study focuses on the geographic distribution of the snail of the genus Biomphalaria and evaluates its infectivity by Schistosoma mansoni check for this species in other resources in 5264 specimens collected in the municipality of Juiz de Fora, Minas Gerais, Brazil. Of the 31 locations studied, 6 were reservoirs, 11 rudimentary holding ponds, 7 irrigation ditches, 5 lakes, 1 ornamental pond, and 1 waterfall. Intermediate hosts were found only in the rudimentary ponds and ditches, which were 100% positive. Using morphological and molecular analysis techniques, B. tenagophila, B. peregrina, and B. straminea were identified. This is the first report of B. stramínea in the municipality, and evaluation of its infective potential revealed susceptibility of 25.4%. Although we did not find specimens of Biomphalaria infected by S. mansoni, the data obtained indicate the presence of intermediate hosts, especially in the irrigation ditches in Juiz de Fora, and their proximity to contaminated areas.

Keywords
Biomphalaria - Biomphalaria straminea - schistosomiasis - geographic distribution - Juiz de Fora - Brazil

 
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