Welcome to Archaea Biology and Ecogenomics

Department of Functional and Evolutionary Ecology

We belong to the Faculty of Life Sciences of the University of Vienna.

Archaea arose together with Bacteria as the first organisms on this planet about 3.5 billion years ago. They form a separate domain of life beside bacteria and eukaryotes and inhabit virtually all environments on earth, including the most extreme environments that can sustain life.

Our unit studies the biology of archaea as well as bacterial symbioses with a focus on ecological, physiological and evolutionary aspects to shed light on the diversity and fundamental distinctions between these two prokaryotic groups.

In particular we are interested in:

  • the ecological distribution of archaea from terrestrial, aquatic and hot environments
  • the metabolism and genomes of ammonia oxidizing archaea and their role in nitrification
  • the physiology and cellular features of Asgard archaea
  • the phylogeny of archaea
  • virus-defense (CRISPR-) systems of hyperthermophilic archaea
  • archaea Biotechnology
  • bacterium-nematode symbioses

We thus attempt to improve the understanding of the role of microorganisms, in particular of archaea, in global biogeochemical cycles and in early evolution.

30.10.2026
 

"From archaeal physiology to scalable bioprocesses: linking CO2- and N2-fixation to amino acid secretion in Methanothermobacter marburgensis"

 

01.08.2026
 

"Chromosome Configuration and Segregation in Archaea"

01.07.2026
 

"Microbe-virus warfare in the water underneath the city of Vienna"

30.06.2026
 

"Induction and purification of a virus from a novel Lokiarchaea strain"

15.06.2026
 

The German National Academy of Sciences Leopoldina has a new member.

12.06.2026
 

"Characterization of Nucleoid-Associated Proteins and SMC Complexes in Candidatus Lokiarchaeum ossiferum"

Guest Lectures

30.06.2026
 

"Exploring multicellular development at the root of animals and beyond"

23.06.2026
 

"Proteins in Evolution: Where do they come from? What are they? Where are they going?"

16.06.2026
 

"Uncovering the adaptive architecture in evolving populations by experimental evolution"