Events

Thursday, March 8, 2018 - 2:00pm
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Haller Hall (102), Geo Museum, 24 Oxford St., Cambridge

Geobiology Seminar

"The Trichodesmium Microbiome and Its Role in the Marine Nitrogen and Phosphorus Cycles" Benjamin Van Mooy, Senior Scientist, Dept. of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution.

Trichodesmium is a colonial cyanobacterium that plays a key role in the oligotrophic ocean because of its ability to fix nitrogen and thereby drive overall primary productivity. Trichodesmium have thus been the focus of intense study for decades, and yet our understanding of what controls their rates of nitrogen fixation is woefully incomplete.  One reason for this is that colonies of Trichodesmium in the ocean contain a diverse community of heterotrophic bacteria that has largely been ignored by oceanographers.  My colleagues and I are finding that members of the colonial microbiome facilitate Trichodesmium nitrogen fixation through their abilities to acquire of phosphorus and other nutrients.

Contact Name: 

Sabinna Cappo

Research Areas: 

Harvard University
Center for the Environment

Address: 26 Oxford Street, 4th Floor, Cambridge
Email: huce@environment.harvard.edu
Phone: (617) 495-0368

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