Simultaneous removal of organic carbon and nitrogen pollutants in the Yangtze estuarine sediment: The role of heterotrophic nitrifiers
Jin, Qiang1; Lu, Jian2; Wu, Jun3; Luo, Yongming2; Lu, J (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China.; Wu, J (reprint author), Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China. jlu@yic.ac.cn
发表期刊ESTUARINE COASTAL AND SHELF SCIENCE
ISSN0272-7714
2017-05-15
卷号191页码:150-156
关键词Sediment Estuary Nitrification Functional Redundancy
DOI10.1016/j.ecss.2017.04.019
产权排序(1) School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai; 200240, China; (2) Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai; Shandong; 264003, China; (3) Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining; Qinghai; 810008, China
作者部门中科院海岸带环境过程与生态修复重点实验室
英文摘要The Yangtze Estuary is one of the most eutrophic coastal areas in the world. The engagement of heterotrophic nitrification bacteria in the simultaneous removal of organic carbon and ammonium in the Yangtze estuarine sediment was investigated. The specific nitrification rate in the selective autotrophic nitrification inhibition treatment was about 25% of that in the control without autotrophic nitrification inhibition, suggesting that heterotrophic nitrification, in addition to autotrophic nitrification, was an important nitrification process in the sediment. The increase of heterotrophic nitrification can offset the decrease in autotrophic nitrification, which subsequently leads to the high tolerance of nitrification to the organic carbon. The number of heterotrophic nitrification bacteria was 7.1 x 10(7) MPN g(-1) in sediment collected from Site 1 while that of autotrophic nitrification bacteria was 4.2 x 10(8) MPN g(-1). The isolation of heterotrophic nitrification bacteria provides direct evidence of the engagement of heterotrophs in the nitrification of the Yangtze estuarine sediment. The results show that nitrification is catalyzed by both the autotrophs and the heterotrophs, indicating functional redundancy of nitrification in sediment. Since organic carbon usually coexists with ammonium, these findings indicate an alternative bioprocess for the simultaneous removal of organic carbon and ammonium in Yangtze estuarine sediment. (C) 2017 Elsevier Ltd. All rights reserved.
文章类型Article
资助机构Chinese Academy of Sciences(Y629041021 ; National Natural Science Foundation of China(41671319) ; Two-Hundred Talents Plan of Yantai ; CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation(1189010002) ; Y610061033)
收录类别SCI
语种英语
关键词[WOS]NITRIFICATION-AEROBIC DENITRIFICATION ; NITRIFYING BACTERIA ; OXIDIZING BACTERIA ; FOREST SOIL ; AMMONIUM ; PATTERNS ; NITRATE
研究领域[WOS]Marine & Freshwater Biology ; Oceanography
WOS记录号WOS:000402494100015
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/21962
专题中国科学院海岸带环境过程与生态修复重点实验室
通讯作者Lu, J (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China.; Wu, J (reprint author), Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China. jlu@yic.ac.cn
作者单位1.Shanghai Jiao Tong Univ, Sch Environm Sci & Engn, Shanghai 200240, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
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Jin, Qiang,Lu, Jian,Wu, Jun,et al. Simultaneous removal of organic carbon and nitrogen pollutants in the Yangtze estuarine sediment: The role of heterotrophic nitrifiers[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2017,191:150-156.
APA Jin, Qiang,Lu, Jian,Wu, Jun,Luo, Yongming,Lu, J ,&Wu, J .(2017).Simultaneous removal of organic carbon and nitrogen pollutants in the Yangtze estuarine sediment: The role of heterotrophic nitrifiers.ESTUARINE COASTAL AND SHELF SCIENCE,191,150-156.
MLA Jin, Qiang,et al."Simultaneous removal of organic carbon and nitrogen pollutants in the Yangtze estuarine sediment: The role of heterotrophic nitrifiers".ESTUARINE COASTAL AND SHELF SCIENCE 191(2017):150-156.
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