Bo Barker

Tori M. Hoehler1* Jan Amend2 Bo B. Jørgensen3 Victoria Orphan4 Mark A. Lever5 1National Aeronautics and Space Administration (NASA), United States 2University of Southern California, United States 3Aarhus University, Denmark 4California Institute of Technology, United States 5The University of Texas at Austin, United States The final, formatted version of the article will be published soon.

Marion Jaussi1, Bo Barker Jørgensen1, Kasper U. Kjeldsen1, Bente A. Lomstein1, Christof Pearce2, Marit-Solveig Seidenkantz2 and Hans Røy1* 1Department of Biology, Aarhus University, Aarhus, Denmark 2Department of Geoscience, Aarhus University, Aarhus, Denmark Microorganisms in subsurface sediments live from recalcitrant organic matter deposited thousands or millions of years ago. Their catabolic activities are low, but the deep biosphere is of global importance due to its volume.

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