Journal
BIORESOURCE TECHNOLOGY
Volume 195, Issue -, Pages 273-282Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.07.025
Keywords
Sediments; Enrichment; Electrochemically-active bacteria; Microbial fuel cells
Funding
- Interdisciplinary Graduate School
- Singapore International Graduate Award (SINGA)
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Electrochemically-active microorganisms (EAM) are relevant to metal biogeochemistry and have applications in microbial fuel cells (MFCs), bioremediation, and bioelectrocatalysis. Most research conducted to date focuses on EAM hailing from two distinct genera, namely Shewanella and Geobacter, with a relatively limited number of EAM discovered in recent years. This review article summarises current approaches to novel EAM enrichment, in terms of inoculum choice, growth medium, reactor configuration, electrochemical characterisation and community profiling through metagenomics and metatranscriptomics. A novel roadmap for EAM enrichment and subsequent characterisation using environmental samples as a starting material is provided in order to increase throughput and hence the likelihood of discovering novel EAM. (C) 2015 Elsevier Ltd. All rights reserved.
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