Biomineralization of gold: biofilms on bacterioform gold.

@article{Reith2006BiomineralizationOG,
  title={Biomineralization of gold: biofilms on bacterioform gold.},
  author={Frank Reith and Stephen L. Rogers and David S. McPhail and Daryl Webb},
  journal={Science},
  year={2006},
  volume={313 5784},
  pages={233-6}
}
Bacterial biofilms are associated with secondary gold grains from two sites in Australia. 16S ribosomal DNA clones of the genus Ralstonia that bear 99% similarity to the bacterium Ralstonia metallidurans-shown to precipitate gold from aqueous gold(III) tetrachloride-were present on all DNA-positive gold grains but were not detected in the surrounding soils. These results provide evidence for the bacterial contribution to the authigenic formation of secondary bacterioform gold grains and nuggets… CONTINUE READING
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