Journal
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
Volume 100, Issue 16, Pages 6935-6946Publisher
SPRINGER
DOI: 10.1007/s00253-016-7678-2
Keywords
Biofilm; Solid mineral; Microorganism-mineral interaction; Bioleaching; Bioweathering; Anaerobic digestion
Categories
Funding
- Singapore Ministry of National Development
- National Research Foundation under L2 NIC Award [L2NICCFP1-2013-3]
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In natural and engineered environments, microorganisms often co-exist and interact with various minerals or mineral-containing solids. Microorganism-mineral interactions contribute significantly to environmental processes, including biogeochemical cycles in natural ecosystems and biodeterioration of materials in engineered environments. In this mini-review, we provide a summary of several key mechanisms involved in microorganism-mineral interactions, including the following: (i) solid minerals serve as substrata for biofilm development; (ii) solid minerals serve as an electron source or sink for microbial respiration; (iii) solid minerals provide microorganisms with macro or micronutrients for cell growth; and (iv) (semi)conductive solid minerals serve as extracellular electron conduits facilitating cell-to-cell interactions. We also highlight recent developments in harnessing microbe-mineral interactions for biotechnological applications.
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