Biomphalaria molluscs (Gastropoda: Planorbidae) in Rio Grande do Sul, Brazil

AUTOR(ES)
FONTE

Memórias do Instituto Oswaldo Cruz

DATA DE PUBLICAÇÃO

2009-08

RESUMO

The present study was aimed at characterising Biomphalaria species using both morphological and molecular (PCR-RFLP) approaches. The specimens were collected in 15 localities in 12 municipalities of the southern region of the state of Rio Grande do Sul, Brazil. The following species were found and identified: Biomphalaria tenagophila guaibensis, Biomphalaria oligoza and Biomphalaria peregrina. Specimens of the latter species were experimentally challenged with the LE Schistosoma mansoni strain, which showed to be refractory to infection.

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