Postdoc, Pelagic microbiology, University of Oldenburg, Germany

Postdoc, Medical Microbiology and Virology, University of Oldenburg, Germany
Postdoc, SCRIPPS Institution of Oceanography, CA, USA
Postdoc, Biology of Geological Prozesses, University of Oldenburg, Germany
Ph.D. Microbiology, University of Oldenburg, Germany

Microorganisms populate even the most unreal and smallest corners of our planet. They can also be found in large numbers in the world’s oceans, for example in light-flooded water layers with around 1 million bacterial cells and several thousand phytoplankton organisms per milliliter. These organisms can form complex networks in a tiny microenvironment, exchanging vital metabolic products with each other. Despite their mostly inconspicuous appearance to the human eye, microorganisms are involved in important global geochemical cycles that keep our planet’s biosphere intact. In this still mostly unknown (micro)world of microbes, my work focuses on B-vitamins. These micronutrients are of crucial importance in every living organism, as they catalyze enzymatic reactions as coenzymes in important metabolic processes. The fact that many microbes cannot produce individual B vitamins themselves and are dependent on other organisms makes it possible to better decipher complex exchange processes in microbial communities. I am currently interested in the B vitamins biotin (vitamin B7) and cobalamin (vitamin B12) and their metabolic precursors (vitamers). My research focuses in particular on their synthesis and exchange at the cellular level and their effects on microbial communities.

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