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Defining genetic and environmental determinants of malaria transmission

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

This is a hybrid talk. You can attend in person or via zoom. See abstract for details

Malaria parasites have coevolved with humans over thousands of years, mirroring their migration out of Africa. They persist to this day, despite continuous elimination efforts worldwide. Life-history theory predicts that parasites can adjust investment into (within-host) replication versus (between-host) transmission, dependent on the environmental conditions. Studies in P. falciparum revealed that epigenetic mechanisms regulate the plasticity in sexual conversion rates (i.e. the proportion in a given asexual cohort that produce sexual, transmissive progeny) in response to changes in the within-host environment. Given the spread and persistence of malaria parasites across a wide range of transmission settings, it is likely that the sexual conversion rate is also be subject to natural selection. I will present data demonstrating that both environmental and genetic factors contribute to the regulation of malaria transmission.

This talk will be broadcasted via Zoom. Please use this link to gain access.

This talk is part of the Parasitology Seminars series.

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