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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Cheng, Qian-Wen Xu, Yu-Shang Yong, Yang-Chun Zheng, Tao Yin, Di Yong, Xiao-Yu Li, Bing Yuan, Hao-Ran |
| Description | Country affiliation: China Author Affiliation: Zheng T ( College of Biotechnology and Pharmaceutical Engineering, and Bioenergy Research Institute, Nanjing Tech University, Nanjing 210095, Jiangsu Province, China); Xu YS ( Biofuels Institute, School of the Environment, Jiangsu University, Zhenjiang 212013, Jiangsu Province, China); Yong XY ( College of Biotechnology and Pharmaceutical Engineering, and Bioenergy Research Institute, Nanjing Tech University, Nanjing 210095, Jiangsu Province, China.); Li B ( Biofuels Institute, School of the Environment, Jiangsu University, Zhenjiang 212013, Jiangsu Province, China.); Yin D ( Biofuels Institute, School of the Environment, Jiangsu University, Zhenjiang 212013, Jiangsu Province, China.); Cheng QW ( Biofuels Institute, School of the Environment, Jiangsu University, Zhenjiang 212013, Jiangsu Province, China.); Yuan HR ( Guangzhou Institute of Energy Conversion, Key Laboratory of Renewable Energy, Chinese Academy of Science, Guangzhou, Guangdong 510640, China.); Yong YC ( Biofuels Institute, School of the Environment, Jiangsu University, Zhenjiang 212013, Jiangsu Province, China. Electronic address: ycyong@ujs.edu.cn.) |
| Abstract | 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. |
| ISSN | 09608524 |
| Journal | Bioresource Technology |
| Volume Number | 197 |
| e-ISSN | 18732976 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-12-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Bioresource |
| Content Type | Text |
| Resource Type | Article |
| Subject | Waste Management and Disposal Medicine Environmental Engineering Renewable Energy, Sustainability and the Environment Bioengineering |
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