EAPS DLS: Chris Dupont (JCVI)

Wednesday, May 05, 2021 at 4:00pm to 5:00pm

Virtual Event

Interactions between microbes and iron in the euphotic ocean

Iron (Fe) is an essential nutrient for all non-viral life.  During the bulk of Earth’s history, Fe was abundant in the global oceans, but subsequent oxidation resulting in vanishingly low concentrations in much of the surface ocean.  Microbes therefore had to evolve compensating mechanisms which have modern day geochemical and human health implications. I will present several recent or soon to be published studies examining Fe limitation of both photosynthetic and heterotrophic microbes in both field and laboratory studies, as well as genetic and genomic examinations of siderophore production by a model marine microbe. 

About this Series

The Department Lecture Series at EAPS at MIT is a series of Weekly talks given by leading thinkers in the areas of geology, geophysics, geobiology, geochemistry, atmospheric science, oceanography, climatology, and planetary science. For more information please contact: Maggie Cedarstrom, maggie84@mit.edu.

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Department of Earth, Atmospheric and Planetary Sciences
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