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Promoting Interspecies Electron Transfer with Biochar

文献类型：期刊论文

作者Chen, Shanshan1,2; Rotaru, Amelia-Elena1; Shrestha, Pravin Malla1; Malvankar, Nikhil S.1,3; Liu, Fanghua1,4; Fan, Wei5; Nevin, Kelly P.1; Lovley, Derek R.1
刊名SCIENTIFIC REPORTS
出版日期2014-05-21
卷号4页码:5019
关键词GEOBACTER-SULFURREDUCENS HUMIC SUBSTANCES ACTIVATED CARBON SP-NOV REDUCTION SOIL EXCHANGE MICROORGANISMS COCULTURES ACCEPTORS
ISSN号2045-2322
产权排序[Chen, Shanshan; Rotaru, Amelia-Elena; Shrestha, Pravin Malla; Malvankar, Nikhil S.; Liu, Fanghua; Nevin, Kelly P.; Lovley, Derek R.] Univ Massachusetts, Dept Microbiol, Amherst, MA 01003 USA; [Chen, Shanshan] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China; [Malvankar, Nikhil S.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA; [Liu, Fanghua] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Fan, Wei] Univ Massachusetts, Dept Chem Engn, Amherst, MA 01003 USA
通讯作者Chen, SS (reprint author), Univ Massachusetts, Dept Microbiol, Amherst, MA 01003 USA. 447681880@qq.com ; arotaru@microbio.umass.edu
中文摘要Biochar, a charcoal-like product of the incomplete combustion of organic materials, is an increasingly popular soil amendment designed to improve soil fertility. We investigated the possibility that biochar could promote direct interspecies electron transfer ( DIET) in a manner similar to that previously reported for granular activated carbon (GAC). Although the biochars investigated were 1000 times less conductive than GAC, they stimulated DIET in co-cultures of Geobacter metallireducens with Geobacter sulfurreducens or Methanosarcina barkeri in which ethanol was the electron donor. Cells were attached to the biochar, yet not in close contact, suggesting that electrons were likely conducted through the biochar, rather than biological electrical connections. The finding that biochar can stimulate DIET may be an important consideration when amending soils with biochar and can help explain why biochar may enhance methane production from organic wastes under anaerobic conditions.
英文摘要Biochar, a charcoal-like product of the incomplete combustion of organic materials, is an increasingly popular soil amendment designed to improve soil fertility. We investigated the possibility that biochar could promote direct interspecies electron transfer ( DIET) in a manner similar to that previously reported for granular activated carbon (GAC). Although the biochars investigated were 1000 times less conductive than GAC, they stimulated DIET in co-cultures of Geobacter metallireducens with Geobacter sulfurreducens or Methanosarcina barkeri in which ethanol was the electron donor. Cells were attached to the biochar, yet not in close contact, suggesting that electrons were likely conducted through the biochar, rather than biological electrical connections. The finding that biochar can stimulate DIET may be an important consideration when amending soils with biochar and can help explain why biochar may enhance methane production from organic wastes under anaerobic conditions.
学科主题Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]GEOBACTER-SULFURREDUCENS ; HUMIC SUBSTANCES ; ACTIVATED CARBON ; SP-NOV ; REDUCTION ; SOIL ; EXCHANGE ; MICROORGANISMS ; COCULTURES ; ACCEPTORS
收录类别SCI
语种英语
WOS记录号WOS:000336206700002
源URL[http://ir.yic.ac.cn/handle/133337/8549]  
专题烟台海岸带研究所_海岸带生物学与生物资源利用所重点实验室
作者单位1.Univ Massachusetts, Dept Microbiol, Amherst, MA 01003 USA
2.Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China
3.Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA
4.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
5.Univ Massachusetts, Dept Chem Engn, Amherst, MA 01003 USA
推荐引用方式
GB/T 7714		 Chen, Shanshan,Rotaru, Amelia-Elena,Shrestha, Pravin Malla,et al. Promoting Interspecies Electron Transfer with Biochar[J]. SCIENTIFIC REPORTS,2014,4:5019.
APA Chen, Shanshan.,Rotaru, Amelia-Elena.,Shrestha, Pravin Malla.,Malvankar, Nikhil S..,Liu, Fanghua.,...&Lovley, Derek R..(2014).Promoting Interspecies Electron Transfer with Biochar.SCIENTIFIC REPORTS,4,5019.
MLA Chen, Shanshan,et al."Promoting Interspecies Electron Transfer with Biochar".SCIENTIFIC REPORTS 4(2014):5019.

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来源：烟台海岸带研究所

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