Host manipulation by the parasite _Cryptosporidium_

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• Dr Amandine Guérin - Assistant Professor, Department of Microbiology and Molecular Medicine, University of Geneva, Switzerland
• Wednesday 24 April 2024, 14:00-15:00
• Seminar Room, Tennis Court Road, Dept of Pathology..

If you have a question about this talk, please contact Anna Protasio.

Infection by the parasite Cryptosporidium is a leading cause of child mortality, no vaccine is available and the current drug treatment against this diarrheal pathogen is inefficient. The disease is transmitted through food or water contaminated with oocysts, the chlorine-resistant parasite stage. The parasite infects the epithelial cells of the small intestine in which it replicates intracellularly. Invasion and intracellular development require extensive modifications of the host cell that remain largely unknown at the molecular level. We recently showed that parasite secreted proteins play an important role in this process, however, our knowledge remains limited. Modifications of the enterocytes as well as persistent inflammation will alter the physiology of the gut and have long lasting impact on the children. In collaboration with Ross Waller laboratory, we conducted a proteomic experiment, hyperLOPIT, on fractionated Cryptosporidium sporozoites to identify the content of the various secretory organelles. This list of potential Cryptosporidium virulence factors will help fill important gaps in our knowledge of the host/parasite interplay.

This talk is part of the Parasitology Seminars series.

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