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Enhancement of bioelectricity generation by manipulation of the electron shuttles synthesis pathway in microbial fuel cells
Yong, Xiao-Yu1,2; Shi, Dong-Yan1; Chen, Yi-Lu1; Feng, Jiao1; Xu, Lin1; Zhou, Jun1,2; Wang, Shu-Ya1,2; Yong, Yang-Chun3; Sun, Yong-Ming4; OuYang, Ping-Kai1,2; Zheng, Tao1,2
2014
Source PublicationBIORESOURCE TECHNOLOGY
Volume152Pages:220-224
AbstractMicrobial fuel cells (MFCs) are promising for generating bioenergy and treating organic waste simultaneously. However, low extracellular electron transfer (EET) efficiency between electrogens and anodes remains one of the major bottlenecks in practical applications of MFCs. In this paper, pyocyanin (PYO) synthesis pathway was manipulated to improve the EET efficiency in Pseudomonas aeruginosa-inoculated MFCs. By overexpression of phzM (methyltransferase encoding gene), the maximum power density of P. aeruginosa-phzM-inoculated MFC was enhanced to 166.68 mu W/cm(2), which was four folds of the original strain. In addition, the phzM overexpression strain exhibited an increase of 1.6 folds in PYO production and about a onefold decrease in the total internal resistance than the original strain, which should underlie the enhancement of the EET efficiency and the electricity power output (EPT). On the basis of these results, the manipulation of electron shuttles synthesis pathways could be an efficient approach to improve the EPT of MFCs. (C) 2013 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordMicrobial Fuel Cells Pyocyanin (Pyo) Electron Shuttles Phzm Pseudomonas Aeruginosa
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2013.10.086
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordPRELIMINARY STRUCTURAL-CHARACTERIZATION ; PSEUDOMONAS-AERUGINOSA ; ELECTRICITY-GENERATION ; FUNCTIONAL-ANALYSIS ; BIOSYNTHESIS ; PURIFICATION ; PERFORMANCE ; PYOCYANIN ; CRYSTALLIZATION ; SHEWANELLA
Indexed BySCI
Language英语
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000331460400030
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10607
Collection中国科学院广州能源研究所
Affiliation1.Nanjing Univ Technol, Coll Biotechnol & Pharmaceut Engn, Nanjing 210095, Jiangsu, Peoples R China
2.Nanjing Univ Technol, Bioenergy Res Inst, Nanjing 210095, Jiangsu, Peoples R China
3.Jiangsu Univ, Biofuels Inst, Sch Environm, Zhenjiang 212013, Peoples R China
4.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Yong, Xiao-Yu,Shi, Dong-Yan,Chen, Yi-Lu,et al. Enhancement of bioelectricity generation by manipulation of the electron shuttles synthesis pathway in microbial fuel cells[J]. BIORESOURCE TECHNOLOGY,2014,152:220-224.
APA Yong, Xiao-Yu.,Shi, Dong-Yan.,Chen, Yi-Lu.,Feng, Jiao.,Xu, Lin.,...&Zheng, Tao.(2014).Enhancement of bioelectricity generation by manipulation of the electron shuttles synthesis pathway in microbial fuel cells.BIORESOURCE TECHNOLOGY,152,220-224.
MLA Yong, Xiao-Yu,et al."Enhancement of bioelectricity generation by manipulation of the electron shuttles synthesis pathway in microbial fuel cells".BIORESOURCE TECHNOLOGY 152(2014):220-224.
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