Spatial distribution of bacterial communities on volumetric and planar anodes in single-chamber air-cathode microbial fuel cells

Ignacio T. Vargas; Istvan U. Albert; John M. Regan

doi:10.1002/bit.24949

Spatial distribution of bacterial communities on volumetric and planar anodes in single-chamber air-cathode microbial fuel cells

Ignacio T. Vargas, Istvan U. Albert, John M. Regan

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Pyrosequencing was used to characterize bacterial communities in air-cathode microbial fuel cells across a volumetric (graphite fiber brush) and a planar (carbon cloth) anode, where different physical and chemical gradients would be expected associated with the distance between anode location and the air cathode. As expected, the stable operational voltage and the coulombic efficiency (CE) were higher for the volumetric anode than the planar anode (0.57V and CE=22% vs. 0.51V and CE=12%). The genus Geobacter was the only known exoelectrogen among the observed dominant groups, comprising 57±4% of recovered sequences for the brush and 27±5% for the carbon-cloth anode. While the bacterial communities differed between the two anode materials, results showed that Geobacter spp. and other dominant bacterial groups were homogenously distributed across both planar and volumetric anodes. This lends support to previous community analysis interpretations based on a single biofilm sampling location in these systems. © 2013 Wiley Periodicals, Inc.

Original language	English (US)
Pages (from-to)	3059-3062
Number of pages	4
Journal	Biotechnology and Bioengineering
Volume	110
Issue number	11
DOIs	https://doi.org/10.1002/bit.24949
State	Published - May 29 2013
Externally published	Yes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-I1-003-13
Acknowledgements: King Abdullah University of Science and Technology (KAUST). Grant Number: KUS-I1-003-13;FONDECYT Project. Grant Number: 11110112/2011;CEDEUS (Centro de Desarrollo Urbano Sustentable). Grant Number: CONICYT/FONDAP/15110020
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

Access to Document

10.1002/bit.24949

Cite this

@article{a004da57d1c94080b9ea8a90f7d22a94,

title = "Spatial distribution of bacterial communities on volumetric and planar anodes in single-chamber air-cathode microbial fuel cells",

abstract = "Pyrosequencing was used to characterize bacterial communities in air-cathode microbial fuel cells across a volumetric (graphite fiber brush) and a planar (carbon cloth) anode, where different physical and chemical gradients would be expected associated with the distance between anode location and the air cathode. As expected, the stable operational voltage and the coulombic efficiency (CE) were higher for the volumetric anode than the planar anode (0.57V and CE=22% vs. 0.51V and CE=12%). The genus Geobacter was the only known exoelectrogen among the observed dominant groups, comprising 57±4% of recovered sequences for the brush and 27±5% for the carbon-cloth anode. While the bacterial communities differed between the two anode materials, results showed that Geobacter spp. and other dominant bacterial groups were homogenously distributed across both planar and volumetric anodes. This lends support to previous community analysis interpretations based on a single biofilm sampling location in these systems. {\textcopyright} 2013 Wiley Periodicals, Inc.",

author = "Vargas, {Ignacio T.} and Albert, {Istvan U.} and Regan, {John M.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-I1-003-13 Acknowledgements: King Abdullah University of Science and Technology (KAUST). Grant Number: KUS-I1-003-13;FONDECYT Project. Grant Number: 11110112/2011;CEDEUS (Centro de Desarrollo Urbano Sustentable). Grant Number: CONICYT/FONDAP/15110020 This publication acknowledges KAUST support, but has no KAUST affiliated authors.",

year = "2013",

month = may,

day = "29",

doi = "10.1002/bit.24949",

language = "English (US)",

volume = "110",

pages = "3059--3062",

journal = "Biotechnology and Bioengineering",

issn = "0006-3592",

publisher = "Wiley-VCH Verlag",

number = "11",

}

TY - JOUR

T1 - Spatial distribution of bacterial communities on volumetric and planar anodes in single-chamber air-cathode microbial fuel cells

AU - Vargas, Ignacio T.

AU - Albert, Istvan U.

AU - Regan, John M.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledged KAUST grant number(s): KUS-I1-003-13 Acknowledgements: King Abdullah University of Science and Technology (KAUST). Grant Number: KUS-I1-003-13;FONDECYT Project. Grant Number: 11110112/2011;CEDEUS (Centro de Desarrollo Urbano Sustentable). Grant Number: CONICYT/FONDAP/15110020 This publication acknowledges KAUST support, but has no KAUST affiliated authors.

PY - 2013/5/29

Y1 - 2013/5/29

N2 - Pyrosequencing was used to characterize bacterial communities in air-cathode microbial fuel cells across a volumetric (graphite fiber brush) and a planar (carbon cloth) anode, where different physical and chemical gradients would be expected associated with the distance between anode location and the air cathode. As expected, the stable operational voltage and the coulombic efficiency (CE) were higher for the volumetric anode than the planar anode (0.57V and CE=22% vs. 0.51V and CE=12%). The genus Geobacter was the only known exoelectrogen among the observed dominant groups, comprising 57±4% of recovered sequences for the brush and 27±5% for the carbon-cloth anode. While the bacterial communities differed between the two anode materials, results showed that Geobacter spp. and other dominant bacterial groups were homogenously distributed across both planar and volumetric anodes. This lends support to previous community analysis interpretations based on a single biofilm sampling location in these systems. © 2013 Wiley Periodicals, Inc.

AB - Pyrosequencing was used to characterize bacterial communities in air-cathode microbial fuel cells across a volumetric (graphite fiber brush) and a planar (carbon cloth) anode, where different physical and chemical gradients would be expected associated with the distance between anode location and the air cathode. As expected, the stable operational voltage and the coulombic efficiency (CE) were higher for the volumetric anode than the planar anode (0.57V and CE=22% vs. 0.51V and CE=12%). The genus Geobacter was the only known exoelectrogen among the observed dominant groups, comprising 57±4% of recovered sequences for the brush and 27±5% for the carbon-cloth anode. While the bacterial communities differed between the two anode materials, results showed that Geobacter spp. and other dominant bacterial groups were homogenously distributed across both planar and volumetric anodes. This lends support to previous community analysis interpretations based on a single biofilm sampling location in these systems. © 2013 Wiley Periodicals, Inc.

UR - http://hdl.handle.net/10754/599684

UR - http://doi.wiley.com/10.1002/bit.24949

UR - http://www.scopus.com/inward/record.url?scp=84884530650&partnerID=8YFLogxK

U2 - 10.1002/bit.24949

DO - 10.1002/bit.24949

M3 - Article

C2 - 23616357

SN - 0006-3592

VL - 110

SP - 3059

EP - 3062

JO - Biotechnology and Bioengineering

JF - Biotechnology and Bioengineering

IS - 11

ER -

Spatial distribution of bacterial communities on volumetric and planar anodes in single-chamber air-cathode microbial fuel cells

Abstract

Bibliographical note

Access to Document

Other files and links

Fingerprint

Cite this