Reductive Precipitation of Gold by Dissimilatory Fe(III)-Reducing Bacteria and Archaea
Open Access
- 1 July 2001
- journal article
- research article
- Published by American Society for Microbiology in Applied and Environmental Microbiology
- Vol. 67 (7) , 3275-3279
- https://doi.org/10.1128/aem.67.7.3275-3279.2001
Abstract
Studies with a diversity of hyperthermophilic and mesophilic dissimilatory Fe(III)-reducing Bacteria andArchaea demonstrated that some of these organisms are capable of precipitating gold by reducing Au(III) to Au(0) with hydrogen as the electron donor. These studies suggest that models for the formation of gold deposits in both hydrothermal and cooler environments should consider the possibility that dissimilatory metal-reducing microorganisms can reductively precipitate gold from solution.Keywords
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