The Senegalese and Brazilian strains of Schistosoma mansoni exhibit high compatibility with Biomphalaria pfeifferi and Biomphalaria glabrata
Abstract Background Intestinal 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...
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| Format: | Article |
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BMC
2025-07-01
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| Series: | Parasites & Vectors |
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| Online Access: | https://doi.org/10.1186/s13071-025-06918-5 |
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| author | Mbéré Sarr Malick Diop Abdoulaye Jacque Bakhoum Souleymane Doucoure Doudou Sow Cheikh Tidiane Bâ Cheikh Sokhna Jérôme Boissier Bruno Senghor |
| author_facet | Mbéré Sarr Malick Diop Abdoulaye Jacque Bakhoum Souleymane Doucoure Doudou Sow Cheikh Tidiane Bâ Cheikh Sokhna Jérôme Boissier Bruno Senghor |
| author_sort | Mbéré Sarr |
| collection | DOAJ |
| description | Abstract Background Intestinal 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. Methods Four 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. Results The 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. Conclusions The 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. Graphical abstract |
| format | Article |
| id | doaj-art-cd139ece0f7d46db9c3fdb445148c051 |
| institution | Kabale University |
| issn | 1756-3305 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | BMC |
| record_format | Article |
| series | Parasites & Vectors |
| spelling | doaj-art-cd139ece0f7d46db9c3fdb445148c0512025-08-20T03:45:48ZengBMCParasites & Vectors1756-33052025-07-011811710.1186/s13071-025-06918-5The Senegalese and Brazilian strains of Schistosoma mansoni exhibit high compatibility with Biomphalaria pfeifferi and Biomphalaria glabrataMbéré Sarr0Malick Diop1Abdoulaye Jacque Bakhoum2Souleymane Doucoure3Doudou Sow4Cheikh Tidiane Bâ5Cheikh Sokhna6Jérôme Boissier7Bruno Senghor8MINES, UCAD-IRD International CampusMINES, UCAD-IRD International CampusDepartment of Animal Biology, Cheikh Anta Diop University of DakarMINES, UCAD-IRD International CampusDepartment of Parasitology-Mycology, Health Sciences Training & Research Unit, University Gaston BergerDepartment of Animal Biology, Cheikh Anta Diop University of DakarMINES, UCAD-IRD International CampusHost-Pathogen-Environment Interactions (IHPE) Laboratory, CNRS, IFREMER, University of Montpellier, University of Perpignan Via DomitiaMINES, UCAD-IRD International CampusAbstract Background Intestinal 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. Methods Four 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. Results The 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. Conclusions The 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. Graphical abstracthttps://doi.org/10.1186/s13071-025-06918-5Schistosoma mansoniBiomphalaria glabrataBiomphalaria pfeifferiSenegalBrazilCompatibility |
| spellingShingle | Mbéré Sarr Malick Diop Abdoulaye Jacque Bakhoum Souleymane Doucoure Doudou Sow Cheikh Tidiane Bâ Cheikh Sokhna Jérôme Boissier Bruno Senghor The Senegalese and Brazilian strains of Schistosoma mansoni exhibit high compatibility with Biomphalaria pfeifferi and Biomphalaria glabrata Parasites & Vectors Schistosoma mansoni Biomphalaria glabrata Biomphalaria pfeifferi Senegal Brazil Compatibility |
| title | The Senegalese and Brazilian strains of Schistosoma mansoni exhibit high compatibility with Biomphalaria pfeifferi and Biomphalaria glabrata |
| title_full | The Senegalese and Brazilian strains of Schistosoma mansoni exhibit high compatibility with Biomphalaria pfeifferi and Biomphalaria glabrata |
| title_fullStr | The Senegalese and Brazilian strains of Schistosoma mansoni exhibit high compatibility with Biomphalaria pfeifferi and Biomphalaria glabrata |
| title_full_unstemmed | The Senegalese and Brazilian strains of Schistosoma mansoni exhibit high compatibility with Biomphalaria pfeifferi and Biomphalaria glabrata |
| title_short | The Senegalese and Brazilian strains of Schistosoma mansoni exhibit high compatibility with Biomphalaria pfeifferi and Biomphalaria glabrata |
| title_sort | senegalese and brazilian strains of schistosoma mansoni exhibit high compatibility with biomphalaria pfeifferi and biomphalaria glabrata |
| topic | Schistosoma mansoni Biomphalaria glabrata Biomphalaria pfeifferi Senegal Brazil Compatibility |
| url | https://doi.org/10.1186/s13071-025-06918-5 |
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