Stoichiometric regulation of immune responses in primary producers

Tuesday, June 15 at 03:15pm (PDT)
Tuesday, June 15 at 11:15pm (BST)
Wednesday, June 16 07:15am (KST)

SMB2021 SMB2021 Follow Tuesday (Wednesday) during the "PS02" time block.
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Rebecca Everett

Haverford College
"Stoichiometric regulation of immune responses in primary producers"
All organisms require carbon and nutrients such as nitrogen for their growth and reproduction. In the presence of pathogens, host defense has been shown to increase with enhanced nutrient availability. Thus, availability of nitrogen may stimulate a host by enhancing its growth as well as immunity response. However, at the same time, nutrient availability may promote infection as higher host growth trades-off with reduced resistance as well as through enhanced pathogen performance. We explore the role of nitrogen availability on infection dynamics of a primary producer host and its pathogen using a stoichiometry-based disease model. Specifically, we test how changes in nitrogen investments in host immune response will alter host biomass build-up and pathogen infection rates.

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Virtual conference of the Society for Mathematical Biology, 2021.