Convergent development of anodic bacterial communities in microbial fuel cells.

The ISME Journal
Matthew D YatesBruce E Logan

Abstract

Microbial fuel cells (MFCs) are often inoculated from a single wastewater source. The extent that the inoculum affects community development or power production is unknown. The stable anodic microbial communities in MFCs were examined using three inocula: a wastewater treatment plant sample known to produce consistent power densities, a second wastewater treatment plant sample, and an anaerobic bog sediment. The bog-inoculated MFCs initially produced higher power densities than the wastewater-inoculated MFCs, but after 20 cycles all MFCs on average converged to similar voltages (470±20 mV) and maximum power densities (590±170 mW m(-2)). The power output from replicate bog-inoculated MFCs was not significantly different, but one wastewater-inoculated MFC (UAJA3 (UAJA, University Area Joint Authority Wastewater Treatment Plant)) produced substantially less power. Denaturing gradient gel electrophoresis profiling showed a stable exoelectrogenic biofilm community in all samples after 11 cycles. After 16 cycles the predominance of Geobacter spp. in anode communities was identified using 16S rRNA gene clone libraries (58±10%), fluorescent in-situ hybridization (FISH) (63±6%) and pyrosequencing (81±4%). While the clone library analysi...Continue Reading

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Citations

May 17, 2013·Environmental Science & Technology·Christopher W MarshallHarold D May
Dec 25, 2013·Environmental Science & Technology·Xiuping ZhuBruce E Logan
Aug 21, 2013·The ISME Journal·Timothy L TickleCurtis Huttenhower
Jan 11, 2014·Journal of Perinatology : Official Journal of the California Perinatal Association·J Romano-KeelerJ L Maron
Nov 26, 2013·Applied Microbiology and Biotechnology·Miriam A Rosenbaum, Ashley E Franks
Jan 10, 2014·Applied Microbiology and Biotechnology·Keaton Larson Lesnik, Hong Liu
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Jul 22, 2014·Water Research·Pan Yu WongManeesha P Ginige
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Mar 27, 2015·Environmental Science & Technology·Dan SunKefa Cen
Apr 18, 2014·ACS Sustainable Chemistry & Engineering·Michael SiegertBruce E Logan
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Sep 12, 2015·The Science of the Total Environment·Krishnaveni VenkidusamyRavi Naidu
Aug 20, 2015·Applied Microbiology and Biotechnology·Hengjing YanJohn M Regan
Nov 26, 2015·Environmental Science and Pollution Research International·Huichao ZhangJun Nan
Jul 24, 2014·International Journal of Systematic and Evolutionary Microbiology·Dan SunBruce E Logan
May 6, 2015·Environmental Science and Pollution Research International·Waheed MiranDae Sung Lee
Jul 15, 2015·Bioresource Technology·Audrey S CommaultRichard J Weld
Jun 10, 2015·Water Research·Alessandro A Carmona-MartínezNicolas Bernet
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Jul 5, 2016·Scientific Reports·Tonia TommasiMarzia Quaglio

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Methods Mentioned

BETA
electrophoresis
PCR
PCA

Software Mentioned

Mothur
QIIME
Greengenes
Titanium Pyronoise
RAST
GelCompar
BLAST
Quantitative Insights Into Microbial Ecology ( QIIME )
MG

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