Microbial oxidation of pyrite : Experiments using microorganisms from an extreme acidic environment

  title={Microbial oxidation of pyrite : Experiments using microorganisms from an extreme acidic environment},
  author={Katrina Jane Edwards and Matthew O. Schrenk and Robert J Hamers and Jillian F. Banfield},
Surface colonization and microbial dissolution of pyrite were studied in the laboratory and by in situ surface colonization experiments conducted at Iron Mountain, California. Laboratory experiments involved organisms obtained from Iron Mountain and cultured in pH ,1.0, 42 8C solutions designed to enrich for chemolithotrophic species present at acidgenerating sites. Planktonic and sessile microorganisms grew in enrichment cultures containing small amounts of yeast extract. The maximum density… CONTINUE READING


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