Anaerobic oxidation of ferrous iron by purple bacteria, a new type of phototrophic metabolism

@article{Ehrenreich1994AnaerobicOO,
  title={Anaerobic oxidation of ferrous iron by purple bacteria, a new type of phototrophic metabolism},
  author={A. Ehrenreich and F. Widdel},
  journal={Applied and Environmental Microbiology},
  year={1994},
  volume={60},
  pages={4517 - 4526}
}
Anoxic iron-rich sediment samples that had been stored in the light showed development of brown, rusty patches. Subcultures in defined mineral media with ferrous iron (10 mmol/liter, mostly precipitated as FeCO3) yielded enrichments of anoxygenic phototrophic bacteria which used ferrous iron as the sole electron donor for photosynthesis. Two different types of purple bacteria, represented by strains L7 and SW2, were isolated which oxidized colorless ferrous iron under anoxic conditions in the… Expand
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