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Dr Bettina Schirrmeister

Dr Bettina Schirrmeister

Dr Bettina Schirrmeister

Research Fellow

Area of research

Early Diversification of Cyanobacteria

Office LS113
Life Sciences Building,
24 Tyndall Avenue, Bristol BS8 1TQ
(See a map)

+44 (0) 117 39 41353


I am an evolutionary biologist interested in the early history of life on Earth and the origin of multicellularity. My work focuses mainly on the evolution of cyanobacteria, formerly known as blue green algae. Cyanobacteria originated probably already in the Archean Eon. Around 2.4 billion years ago they are responsible for an increase of atmospheric oxygen, referred to as the Great Oxygenation Event (GOE). First evidence for various unicellular and multicellular cyanobacterial species is found in 2 billion year old rocks from the Belcher islands and Gunflint chert in Canada. With my work I hope to identify, (i) the origin of cyanobacteria, (ii) the diversification of morphological groups within this phylum, and (iii) the consequences this might have had on the early co-evolution of life and Earth.

To investigate these exciting questions I use methods of molecular phylogenomics in combination with 3D- analyses of fossilized microbial communities from the Precambrian. To learn more about me and my research, please have a look at my profile


  • Evolutionary biology
  • Phylogenomics
  • Molecular phylogenetics
  • Palaeontology
  • Microbiology
  • Cyanobacteria

Selected publications

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Recent publications

View complete publications list in the University of Bristol publications system


Dr Schirrmeister currently teaches 2 courses:

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