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Effect of electrode potentials on the microbial community of photo bioelectrochemical systems
Wu, Yicheng1,2,3; Zheng, Yue3; Xiao, Yong3; Wang, Zejie3,4; Zhao, Feng3
2017-07-01
发表期刊WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
卷号33期号:7
摘要Increasing attention is being paid to the adoption of photoautotrophic microbes in bioelectrochemical systems (BESs) because of the advantages of self-sustainability. Biased potential on the anode was capable of adjusting the performance of non-photo BESs, and the microbial community structure was also changed; however, few studies have been conducted to investigate the effects of potential on microbial community structure in photo-BESs. In this work, the response of microbial community structure to different potentials (i.e., 0, 0.2, 0.4 and 0.6 V vs. Ag/AgCl) was characterized with 454 pyrosequencing. Four samples were collected and they generated 42865 16S rDNA sequencing reads with an average length of 429 bp. The potential at 0.2 V resulted in the highest current density (378.8 mA m(-2)) and showed a strong selection for.-proteobacteria (30.8% of the sequences). alpha-Diversity analysis showed that microbial diversity increased with increased potential. Rhodopseudomonas palustris was dominant among known exoelectrogens in the biofilm biased at 0.4 V. The results provided an insight into the mechanism of potential regulation on the performance of photo-BESs and changes in microbial community structure.
文章类型Article
关键词Bioelectrochemical Systems Photosynthetic Bacteria 454 Pyrosequencing Potential Biofilm
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11274-017-2312-8
关键词[WOS]FUEL-CELLS ; ELECTRICITY-GENERATION ; BACTERIAL COMMUNITIES ; ANODIC BIOFILMS ; WASTE-WATER ; PERFORMANCE ; BIOCATHODE ; SLUDGE ; ENERGY
收录类别SCI
语种英语
WOS研究方向Biotechnology & Applied Microbiology
项目资助者High Level Talent Program of Xiamen University of Technology(E2015028) ; Young Teacher project of Fujian Province(JA15372)
WOS类目Biotechnology & Applied Microbiology
WOS记录号WOS:000404761400021
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9631
专题海洋碳汇与能源微生物研究组
作者单位1.Xiamen Univ Technol, Coll Environm Sci & Engn, Xiamen 361024, Peoples R China
2.Fujian Prov Univ, Key Lab Environm Biotechnol, Xiamen 361024, Peoples R China
3.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Pollutant Convers, Xiamen 361021, Peoples R China
4.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
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Wu, Yicheng,Zheng, Yue,Xiao, Yong,et al. Effect of electrode potentials on the microbial community of photo bioelectrochemical systems[J]. WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY,2017,33(7).
APA Wu, Yicheng,Zheng, Yue,Xiao, Yong,Wang, Zejie,&Zhao, Feng.(2017).Effect of electrode potentials on the microbial community of photo bioelectrochemical systems.WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY,33(7).
MLA Wu, Yicheng,et al."Effect of electrode potentials on the microbial community of photo bioelectrochemical systems".WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY 33.7(2017).
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