We are interested in understanding fundamental metabolic differences between major phytoplankton functional groups in the ocean. Our focus is mainly on diatoms and their adaptations to coastal and open ocean environments. Using a combination of molecular tools and physiological manipulations, we are investigating the responses of genes involved in photorespiration, the urea cycle, iron storage, chitin synthesis and oxylipin production to changing environmental conditions. We generate and test hypotheses on the cycling of major and minor elements in diatom cells and extend our findings to a global biogeochemistry context.
The use and regulation of ferritin for iron sequestration in marine pennate diatoms
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