Rhodobacter capsulatus (IMAGE)
Caption
A liquid culture of Rhodobacter capsulatus. The model bacterium lives phototrophically, i.e. it obtains its energy through photosynthesis. Researchers led by Max Planck scientist Johannes Rebelein discovered that the enzyme iron (Fe)-nitrogenase in R. capsulatus reduces CO2 to formate and methane even under physiological conditions, and that this conversion is potentially of high value for a sustainable bioeconomy: the realisation of such processes in phototrophic organisms could enable a light-driven conversion of carbon dioxide into useful chemicals.
Credit
Max Planck Institute for Terrestrial Microbiology/Geisel
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