Electron transport at the microbe-mineral interface: A synthesis of current research challenges

Richardson, David J. ORCID: https://orcid.org/0000-0002-6847-1832, Fredrickson, James K. and Zachar, John M. (2012) Electron transport at the microbe-mineral interface: A synthesis of current research challenges. Biochemical Society Transactions, 40 (6). pp. 1163-1166. ISSN 0300-5127

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Abstract

Many bacterial and archaeal species can couple growth to the respiratory reduction or oxidation of insoluble mineral oxides of transition metals. These solid substrates are abundant electron sinks and sources for life on Earth, but, since they are insoluble in water, they cannot enter the bacterial cells. So, to exploit these electron sinks and sources, specific respiratory electron-transfer mechanisms must overcome the physical limitations associated with electron transfer between a microbe and extracellular metal oxides. Recent microbiological, geochemical, biochemical, spectroscopic and structural work is beginning to shed light on the molecular mechanism and impacts of electron transfer at the microbe–mineral interface from a nanometre to kilometre scale. The research field is attracting attention in applied quarters from those with interests in nanowires, microbial fuel cells, bioremediation and microbial cell factories.

Item Type: Article
Uncontrolled Keywords: bacterium,electron transfer,metal,microbe-mineral interface,respiration,biochemistry ,/dk/atira/pure/subjectarea/asjc/1300/1303
Faculty \ School:
Faculty of Science > School of Biological Sciences
Related URLs:
Depositing User: LivePure Connector
Date Deposited: 14 Jul 2022 16:30
Last Modified: 15 Jul 2022 14:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/86116
DOI: 10.1042/bst20120242

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