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Bernhard Viehweger



Organische Geochemie


+49 421 218-65744



MARUM I, 2610

Bernhard Viehweger

Research interests

  • Habitats of microbial life on earth
  • Extent and size of the deep biosphere
  • Survival strategies of microorganisms in various (extreme) environments
  • Methods to identify active microbial life in enivronmental samples


  • 2015 - ongoing PhD student Organic Geochemistry, MARUM/University of Bremen
  • 2013 - 2015 Master program in (Quaternary) Geology, Lund University
  • 2011 - 2013 Research technician, Organic Geochemistry, MARUM
  • 2008 - 2011 Bachelor program in Geosciences, University of Bremen


  • Hamann E., Gruber-Vodicka H., Kleiner M., Tegetmeyer H.E., Riedel D., Littmann S., Chen J., Milucka J., Viehweger B., Becker K.W., Dong X., Stairs C.W., Hinrichs K.-U., Brown M.W., Roger A.J., Strous M. (2016) Environmental Breviatea harbour mutualistic Arcobacter epibionts. Nature
  • Probst A.J., Weinmaier T., Raymann K., Perras A., Emerson J.B., Rattei T., Wanner G., Klingl A., Berg I.A., Viehweger B., Yoshinaga M., Hinrichs K.-U., Gribaldo S., Thomas B.C., Meck S., Auerbach A.K., Heise M., Banfield J.F. and Moissl-Eichinger C., (2015): "Grappling" with dark matter: Biology of a widespread, uncultivated subsurface Archaeon. Nature Communications
  • Beulig F., Heuer V.B., Akob D.M., Viehweger B., Elvert M., Herrmann M., Hinrichs K.-U. and Küsel K., (2014): Carbon flow from volcanic CO2 into soil microbial communities of a wetland mofette. ISME Journal


  • Viehweger B., Wörmer L., Hinrichs K.-U., Lever M. and Expedition 370 Scientists 2017: Exploring ways to assess endospore abundance, diversity and viability in low biomass subseafloor sediments of the Nankai Trough Accretionary Complex. Poster, 3rd DCO International Conference 2017.
  • Jones C., Crowe S.A., Viehweger B., Hinrichs K.-U., Maresca J.A., DeLong E., Nomosatryo S., Fowle D.A. and Canfield D.E. 2013: Entire community of microbes lacks phospholipids. Poster, Goldschmidt Conference 2013 Paper
  • Jones C., Crowe S.A., Maresca J.A., Delong E., Viehweger B., Hinrichs K.-U., Nomosatryo S., Fowle D.A., and Canfield D.E., 2012: Extreme plasticity of biological stoichiometry. Poster, ISME Conference 2012

Conferences attended

  • 3rd Deep Carbon Observatory (DCO) International Conference 2017, St Andrews, Scotland
  • Deep Life Community (DLC) Meeting 2017, Edinburgh, Scotland

Expedition participation

IODP Expedition 370 Temperature Limit of the Deep Biosphere off Muroto, September 10 - November 10 2016

Expedition Page


Thesis work

M.Sc.Sources and effects of short-term environmental changes in Gullmar Fjord, Sweden, inferred from the composition of sedimentary organic matter
B.Sc.Lignin phenols as proxy for input of terrestrial organic matter in the southern Adria and the Gulf of Tarent