To date, three different autotrophic carbon fixation mechanisms have been found in archaea. Here, Georg Fuchs and colleagues describe these mechanisms and their phylogenetic distribution. As most cultivated autotrophic archaea live in conditions that resemble the conditions of early life, these pathways can serve as models for an ancestral autotrophic carbon fixation pathway.
- Ivan A. Berg
- Daniel Kockelkorn
- Georg Fuchs