Abstract：
:In bioelectrochemical systems (BESs), electrons are transferred between electrochemically active microbes (EAMs) and conductive materials, such as electrodes, via extracellular electron transfer (EET) pathways, and electrons thus transferred stimulate intracellular catabolic reactions. Catabolic and EET pathways have extensively been studied for several model EAMs, such as Shewanella oneidensis MR-1 and Geobacter sulfurreducens PCA, whereas it is also important to understand the ecophysiology of EAMs in naturally occurring microbiomes, such as those in anode biofilms in microbial fuel cells treating wastewater. Recent studies have exploited metagenomics and metatranscriptomics (meta-omics) approaches to characterize EAMs in BES-associated microbiomes. Here we review recent BES studies that used meta-omics approaches and show that these studies have discovered unexpected features of EAMs and deepened our understanding of functions and behaviors of microbes in BESs. It is desired that more studies will employ meta-omics approaches for advancing our knowledge on microbes in BESs.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Kouzuma A,Ishii S,Watanabe Kdoi
10.1016/j.biortech.2018.01.125subject
Has Abstractpub_date
2018-05-01 00:00:00pages
302-307eissn
0960-8524issn
1873-2976pii
S0960-8524(18)30147-0journal_volume
255pub_type
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