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Microbial Ecophysiology

Photomontage of chemical devices and students working in the lab.
Photomontage © Microbial Ecophysiology group

The Microbial Ecophysiology group at the University of Bremen is part of the Bremen Marine Ecology Centre for Research & Education (BreMarE) and associated with MARUM, Center for Marine Environmental Sciences. Our main research interests are anaerobic microbial processes in sediments and soils, and the functional biodiversity of microorganisms involved.

New publications

Cai M, Richter-Heitmann T, Yin X, Huang WC, Yang Y, Zhang C, Duan C, Pan J, Liu Y, Liu Y, Friedrich MW, Li M (2020) Ecological features and global distribution of Asgard archaea. Science of The Total Environment. 143581.

Aromokeye DA, Oni OE, Tebben J, Yin X, Richter-Heitmann T, Wendt J, Nimzyk R, Littmann S, Tienken D, Kulkarni AC, Henkel S, Hinrichs KU, Elvert M, Harder T, Kasten S, Friedrich MW (2020) Crystalline iron oxides stimulate methanogenic benzoate degradation in marine sediment-derived enrichment cultures. ISME J.

Yin X, Cai M, Liu Y, Zhou G, Richter-Heitmann T, Aromokeye DA, Kulkarni AC, Nimzyk R, Cullhed H, Zhou Z, Pan J, Yang Y, Gu JD, Elvert M, Li M, Friedrich MW (2020) Subgroup level differences of physiological activities in marine Lokiarchaeota. ISME J.

Han D, Richter-Heitmann T, Kim IN, Choy E, Park KT, Unno T, Kim J, Nam SI (2020) Survey of Bacterial Phylogenetic Diversity During the Glacier Melting Season in an Arctic Fjord. Microb Ecol.

Kämper J, Friedrich MW, Kahmann R (2020) Creating novel specificities in a fungal nonself recognition system by single step homologous recombination events. New Phytol. 228(3):1001-1010.

Fiore-Donno AM, Richter-Heitmann T, Bonkowski M (2020) Contrasting Responses of Protistan Plant Parasites and Phagotrophs to Ecosystems, Land Management and Soil Properties. Front. Microbol. 11:1823.

Richter-Heitmann T, Hofner B, Krah FS, Sikorski J, Wüst PK, Bunk B, Huang S, Regan KM, Berner D, Boeddinghaus RS, Marhan S, Prati D, Kandeler E, Overmann J, Friedrich MW (2020) Stochastic Dispersal Rather Than Deterministic Selection Explains the Spatio-Temporal Distribution of Soil Bacteria in a Temperate Grassland. Front. Microbol. 11:1391.

Banos S, Gysi DM, Richter-Heitmann T, Glöckner FO, Boersma M, Wiltshire KH, Gerdts G, Wichels A, Reich M (2020) Seasonal Dynamics of Pelagic Mycoplanktonic Communities: Interplay of Taxon Abundance, Temporal Occurrence, and Biotic Interactions. Front. Microbol. 11:1305.

Fiore-Donno AM, Richter-Heitmann T, Bonkowski M (2020) Contrasting responses of protistan plant parasites and phagotrophs to ecosystems, land management and soil properties. bioRxiv 2020.03.22.001768.

Cai M, Liu Y, Yin X, Zhou Z, Friedrich MW, Richter-Heitmann T, Nimzyk R, Kulkarni A, Wang X, Li W, Pan J, Yang Y, Gu JD, Li M (2020) Diverse Asgard archaea including the novel phylum Gerdarchaeota participate in organic matter degradation. SCIENCE CHINA Life Sciences. 63:886-897.

Aromokeye DA, Kulkarni A, Elvert M, Wegener G, Henkel S, Coffinet S, Eickhorst T, Oni O, Richter-Heitmann T, Schnakenberg A, Taubner H, Wunder L, Yin X, Zhu Q, Hinrichs KU, Kasten S, Friedrich MW (2020) Rates and Microbial Players of Iron-Driven Anaerobic Oxidation of Methane in Methanic Marine Sediments. Front. Microbiol. 10:3041.

A sea surrounded by ice and snow.
Potter Cove, King George Island


November, 2019. Michael Friedrich was awarded the marmic Teaching Excellence Award 2018 - 2019 in gold for Prokaryotic Microbiology Lecture Series.

November, 2019. Michael Friedrich, Annika Schnackenberg and Dr. David Aromokeye were awarded the marmic Teaching Excellence Award 2017 - 2018 in silver for the Prokaryotic Microbiology Tutorial.

July, 2019. Dr. Dukki Han arrived for a guest scientist stay. Dukki  is interested in stable isotope probing of nucleic acids and lipids, and will work together with Xiruan and Marcus Elvert (Organic geochemistry group, MARUM).

June 19, 2019. Dr. Graciana Willis arrived for a postdoctoral stay funded by the DAAD. Graciana will work with David on the ECIMAS project

June 11, 2019. Xiuran Yin successfully defended his PhD - congrats, Xiuran!!

April 2, 2019. Arianna Trafeli started her master project on metal reducing microorganisms.

March 20, 2019. Dr. Guowei Zhou arrived. Guowei will work on functional "omics" in marine sediments.

March 14, 2019. The sampling campaign at Carlini Station was successfully finished, and David returned to Bremen. Welcome back!

January, 1st, 2019. David has started working at Carlini Station.

Logo of the work group microbial ecophysiology
© AG Friedrich, MW Friedrich
Logo of marum, the Center for Marine Environmental Sciences
© Marum
Bremare Logo. Bremen Marine Ecology. Centre for Research and Education
© University of Bremen


Prof. Dr. Michael W. Friedrich

Mikrobielle Ökophysiologie
Fachbereich 2 • Biologie/Chemie

Leobener Straße 3
NW2-building, room A2100
D-28359 Bremen / Germany

Phone: +49(0)421 218 63 060
Fax:     +49(0)421 218 63 069
Email:  michael.friedrich(ät)


Verena Fischer

Leobener Straße 3
NW2-building, room A2120
D-28359 Bremen / Germany

Phone: +49(0)421 218 63 061
Fax:      +49(0)421 218 63 069
Email:    verena.fischer(ät)

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