Exoelectrogenic Bacterium Phylogenetically Related to Citrobacter freundii, Isolated from Anodic Biofilm of a Microbial Fuel Cell

被引：37
作者：
Huang, Jianjian [1 ]
Zhu, Nengwu [1 ,2 ]
Cao, Yanlan [1 ]
Peng, Yue [1 ]
Wu, Pingxiao [1 ,2 ]
Dong, Wenhao [1 ]
机构：
[1] S China Univ Technol, Sch Environm & Energy, Guangzhou 510006, Guangdong, Peoples R China
[2] Minist Educ, Key Lab Pollut Control & Ecosyst Restorat Ind Clu, Guangzhou 510006, Guangdong, Peoples R China
来源：
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY | 2015年 / 175卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Citrobacter freundii; Exoelectrogens; Microbial fuel cell; Biofilm; Bioelectricity; EXTRACELLULAR ELECTRON-TRANSFER; FE(III)-REDUCING BACTERIUM; ELECTRICITY PRODUCTION; GEN; NOV; GENERATION; NANOWIRES; STRAIN; MICROORGANISMS; CONSORTIA; ENERGY;
D O I：
10.1007/s12010-014-1418-9
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
An electrogenic bacterium, named Citrobacter freundii Z7, was isolated from the anodic biofilm of microbial fuel cell (MFC) inoculated with aerobic sewage sludge. Cyclic voltammetry (CV) analysis exhibited that the strain Z7 had relatively high electrochemical activity. When the strain Z7 was inoculated into MFC, the maximum power density can reach 204.5 mW/m(2) using citrate as electron donor. Series of substrates including glucose, glycerol, lactose, sucrose, and rhammose could be utilized to generate power. CV tests and the addition of anode solution as well as AQDS experiments indicated that the strain Z7 might transfer electrons indirectly via secreted mediators.
引用
收藏
页码：1879 / 1891
页数：13
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