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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
发表期刊BIORESOURCE TECHNOLOGY
卷号152页码:220-224
摘要Microbial 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.
文章类型Article
关键词Microbial Fuel Cells Pyocyanin (Pyo) Electron Shuttles Phzm Pseudomonas Aeruginosa
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2013.10.086
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]PRELIMINARY STRUCTURAL-CHARACTERIZATION ; PSEUDOMONAS-AERUGINOSA ; ELECTRICITY-GENERATION ; FUNCTIONAL-ANALYSIS ; BIOSYNTHESIS ; PURIFICATION ; PERFORMANCE ; PYOCYANIN ; CRYSTALLIZATION ; SHEWANELLA
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000331460400030
引用统计
被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10607
专题中国科学院广州能源研究所
作者单位1.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
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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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