Polymorphic Mucins in Schistosoma mansoni and Their Role in Host Interaction
Author Information
Author(s): Roger Emmanuel, Grunau Christoph, Pierce Raymond J., Hirai Hirohisa, Gourbal Benjamin, Galinier Richard, Emans Rémi, Cesari Italo M., Cosseau Céline, Mitta Guillaume
Primary Institution: Parasitologie Fonctionnelle et Evolutive, UMR 5244, CNRS Université de Perpignan, Perpignan, France
Hypothesis
The compatibility polymorphism between Schistosoma mansoni and its invertebrate host Biomphalaria glabrata is influenced by the diversity and polymorphism of parasite molecules.
Conclusion
The study reveals that Schistosoma mansoni has evolved a complex system that generates a high degree of polymorphism in its mucin proteins, which plays a crucial role in its interaction with the host.
Supporting Evidence
- The study identified polymorphic mucins (SmPoMucs) that are key factors for the compatibility of schistosomes with their mollusc host.
- SmPoMuc proteins are coded by a multi-gene family that frequently recombines.
- The research demonstrated that individual S. mansoni larvae express unique combinations of SmPoMuc genes.
Takeaway
This study shows that the parasite Schistosoma mansoni can change its surface proteins to better interact with its host, which helps it survive.
Methodology
The study involved comparative proteomics, gene expression analysis, and various molecular biology techniques to investigate the polymorphism of SmPoMuc proteins.
Limitations
The study primarily focuses on specific strains and may not represent all variations in Schistosoma mansoni.
Participant Demographics
The study analyzed 11 individual sporocysts from both compatible and incompatible strains of Schistosoma mansoni.
Digital Object Identifier (DOI)
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