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Endogenously enhanced biosurfactant production promotes electricity generation from microbial fuel cells
Zheng, Tao2,3,4; Xu, Yu-Shang1,2,3; Yong, Xiao-Yu2,3; Li, Bing1; Yin, Di1; Cheng, Qian-Wen1; Yuan, Hao-Ran4; Yong, Yang-Chun1
2015-12-01
发表期刊BIORESOURCE TECHNOLOGY
卷号197页码:416-421
摘要Microbial fuel cell (MFC) is considered as a promising green energy source and energy-saving pollutants treatment technology as it integrates pollutant biodegradation with energy extraction. In this work, a facile approach to enhance endogenous biosurfactant production was developed to improve the electron transfer rate and power output of MFC. By overexpression of rhlA, the key gene responsible for rhamnolipids synthesis, over-production of self-synthesized rhamnolipids from Pseudomonas aeruginosa PAO1 was achieved. Strikingly, the increased rhamnolipids production by rhlA overexpression significantly promoted the extracellular electron transfer of P. aeruginosa by enhancing electron shuttle (pyocyanin) production and increasing bacteria attachment on the anode. As a result, the strain with endogenously enhanced rhamnolipids production delivered 2.5 times higher power density output than that of the parent strain. This work substantiated that the enhancement on endogenous biosurfactant production could be a promising approach for improvement on the electricity output of MFC. (C) 2015 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Microbial Fuel Cells Rhamnolipid Surfactant Electron Transfer Pseudomonas Aeruginosa
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2015.08.136
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]EXTRACELLULAR ELECTRON-TRANSFER ; PSEUDOMONAS-AERUGINOSA ; BIOELECTRICITY OUTPUT ; IMPROVED PERFORMANCE ; BIOFILM DEVELOPMENT ; RHAMNOLIPIDS ; TECHNOLOGIES ; PYOCYANIN ; MEMBRANE ; BACTERIA
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000361828000056
引用统计
被引频次:15[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/344007/10869
专题中国科学院广州能源研究所
作者单位1.Jiangsu Univ, Sch Environm, Biofuels Inst, Zhenjiang 212013, Jiangsu, Peoples R China
2.Nanjing Tech Univ, Coll Biotechnol & Pharmaceut Engn, Nanjing 210095, Jiangsu, Peoples R China
3.Nanjing Tech Univ, Bioenergy Res Inst, Nanjing 210095, Jiangsu, Peoples R China
4.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
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Zheng, Tao,Xu, Yu-Shang,Yong, Xiao-Yu,et al. Endogenously enhanced biosurfactant production promotes electricity generation from microbial fuel cells[J]. BIORESOURCE TECHNOLOGY,2015,197:416-421.
APA Zheng, Tao.,Xu, Yu-Shang.,Yong, Xiao-Yu.,Li, Bing.,Yin, Di.,...&Yong, Yang-Chun.(2015).Endogenously enhanced biosurfactant production promotes electricity generation from microbial fuel cells.BIORESOURCE TECHNOLOGY,197,416-421.
MLA Zheng, Tao,et al."Endogenously enhanced biosurfactant production promotes electricity generation from microbial fuel cells".BIORESOURCE TECHNOLOGY 197(2015):416-421.
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