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Response of Soil Microbial Communities to Elevated Antimony and Arsenic Contamination Indicates the Relationship between the Innate Microbiota and Contaminant Fractions
Weimin Sun;  Enzong Xiao;  Tangfu Xiao;  Valdis Krumins;  Qi Wang;  Max Häggblom;  Yiran Dong;  Song Tang;  Min Hu;  Baoqin Li;  Bingqing Xia;  Wei Liu
2017
Source PublicationEnvironmental Science & Technology
Volume51Issue:16Pages:9165-9175
Abstract

Mining of sulfide ore deposits containing metalloids, such as antimony and arsenic, has introduced serious soil contamination around the world, posing severe threats to food safety and human health. Hence, it is important to understand the behavior and composition of the microbial communities that control the mobilization or sequestration of these metal(loid)s. Here, we selected two sites in Southwest China with different levels of Sb and As contamination to study interactions among various Sb and As fractions and the soil microbiota, with a focus on the microbial response to metalloid contamination. Comprehensive geochemical analyses and 16S rRNA gene amplicon sequencing demonstrated distinct soil taxonomic inventories depending on Sb and As contamination levels. Stochastic gradient boosting indicated that citric acid extractable Sb(V) and As(V) contributed 5% and 15%, respectively, to influencing the community diversity. Random forest predicted that low concentrations of Sb(V) and As(V) could enhance the community diversity but generally, the Sb and As contamination impairs microbial diversity. Co-occurrence network analysis indicated a strong correlation between the indigenous microbial communities and various Sb and As fractions. A number of taxa were identified as core genera due to their elevated abundances and positive correlation with contaminant fractions (total Sb and As concentrations, bioavailable Sb and As extractable fractions, and Sb and As redox species). Shotgun metagenomics indicated that Sb and As biogeochemical redox reactions may exist in contaminated soils. All these observations suggest the potential for bioremediation of Sb- and As-contaminated soils.

Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/8064
Collection环境地球化学国家重点实验室
Affiliation1.Guangdong Key Laboratory of Agricultural Environment Pollution Integrated Control, Guangdong Institute of Eco-Environmental Science & Technology, Guangzhou 510650, China
2.Key Laboratory of Water Quality and Conservation in the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
3.State Key Laboratory of Environmental Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
4.University of Chinese Academy of Sciences, Beijing 100049, China
5.Department of Environmental Sciences, Rutgers University, New Brunswick, New Jersey 08901, United States
6.Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, New Jersey 08901, United States
7.Institute for Genomic Biology, University of Illinois, Urbana−Champaign, Urbana, Illinois 61801, United States
8.National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
9.Water Resources Protection Bureau of Pearl River Water Resources Commission, Guangzhou 510611, China
Recommended Citation
GB/T 7714
Weimin Sun;Enzong Xiao;Tangfu Xiao;Valdis Krumins;Qi Wang;Max Häggblom;Yiran Dong;Song Tang;Min Hu;Baoqin Li;Bingqing Xia;Wei Liu. Response of Soil Microbial Communities to Elevated Antimony and Arsenic Contamination Indicates the Relationship between the Innate Microbiota and Contaminant Fractions[J]. Environmental Science & Technology,2017,51(16):9165-9175.
APA Weimin Sun;Enzong Xiao;Tangfu Xiao;Valdis Krumins;Qi Wang;Max Häggblom;Yiran Dong;Song Tang;Min Hu;Baoqin Li;Bingqing Xia;Wei Liu.(2017).Response of Soil Microbial Communities to Elevated Antimony and Arsenic Contamination Indicates the Relationship between the Innate Microbiota and Contaminant Fractions.Environmental Science & Technology,51(16),9165-9175.
MLA Weimin Sun;Enzong Xiao;Tangfu Xiao;Valdis Krumins;Qi Wang;Max Häggblom;Yiran Dong;Song Tang;Min Hu;Baoqin Li;Bingqing Xia;Wei Liu."Response of Soil Microbial Communities to Elevated Antimony and Arsenic Contamination Indicates the Relationship between the Innate Microbiota and Contaminant Fractions".Environmental Science & Technology 51.16(2017):9165-9175.
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