The exchange of metabolites between algae and bacteria is essential for maintaining ecosystem structure and function.Numerous organic molecules have been shown to facilitate ecologically important partnerships, including signaling molecules used for cell-cell communication and the exchange of organic nutrients as sources of energy, carbon and essential metabolites. In addition, the 600 Gt C marine dissolved organic matter reservoir harbors slow degrading molecules whose sources are poorly known, in part because the composition of this reservoir remains enigmatic. In this talk I will describe some of the different analytical approaches we are taking to elucidate the organic currencies involved in maintaining ecosystem interactions and modulating global carbon cycling.

Those wishing to attend remotely should log in to Zoom ID#989 8458 7392

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