ArticleParasites & vectors2025
The Senegalese and Brazilian strains of Schistosoma mansoni exhibit high compatibility with Biomphalaria pfeifferi and Biomphalaria glabrata.
Article in Parasites & vectors, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Rapid identification of Biomphalaria spp. and diagnosis of Schistosoma mansoni infestation using MALDI-TOF mass spectrometry.PLoS neglected tropical diseases · 2026Article
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Abstract
backgroundIntestinal schistosomiasis, caused by Schistosoma mansoni, is endemic in both Africa and South America. In Senegal and Brazil, S. mansoni is transmitted by Biomphalaria pfeifferi and Biomphalaria glabrata, respectively. With increasing human migration from Senegal to the Americas, there is a potential risk of transferring parasite strains across continents. Understanding the compatibility between Schistosoma species and strains, and snail hosts is therefore essential. This study investigated the compatibility of two S. mansoni strains from Senegal (SmSEN) and Brazil (SmBRA) with both B. pfeifferi (BpSEN) and B. glabrata (BgBRA) originating from Senegal and Brazil, respectively.
methodsFour infection combinations were performed: (1) SmSEN + BpSEN (2) SmSEN + BgBRA (3) SmBRA + BgBRA, and (4) SmBRA + BpSEN. A minimum of 72 snails were individually exposed to five miracidia per combination.
resultsThe data show high compatibility between Brazilian and Senegalese S. mansoni with B. pfeifferi (92.4% and 77.3%, respectively). In contrast, both strains showed a low compatibility with B. glabrata, with rates of 67.3 and 48% for the Brazilian and Senegalese S. mansoni, respectively.
conclusionsThe high compatibility between S. mansoni and Biomphalaria species from Senegal and Brazil highlights the adaptability of S. mansoni to infect different Biomphalaria species across geographically distinct regions. These findings emphasize the importance of monitoring areas at risk of schistosomiasis emergence, particularly in the context of human migration and the invasive spread of Biomphalaria species into novel environments.
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