An investigation into the effects of silver nanoparticles on natural microbial communities in two freshwater sediments
文献类型:期刊论文
作者 | Bao, Shaopan1,2; Wang, Han1,2; Zhang, Weicheng1; Xie, Zhicai1; Fang, Tao1 |
刊名 | ENVIRONMENTAL POLLUTION |
出版日期 | 2016-12-01 |
卷号 | 219期号:1页码:696-704 |
ISSN号 | 0269-7491 |
关键词 | Silver nanoparticles Freshwater sediment Enzyme activities Bacterial community structure |
DOI | 10.1016/j.envpol.2016.06.071 |
英文摘要 | The expanding production and usage of commercial silver nanoparticles (AgNPs) will inevitably increase their environmental release, with sediments as a substantial sink. However, little knowledge is available about the potential impacts of AgNPs on freshwater sediment microbial communities, as well as the interactions between microbial communities and biogeochemical factors in AgNPs polluted sediment. To address these issues, two different sediments: a eutrophic freshwater sediment and an oligotrophic freshwater sediment, were exposed to 1 mg/g of either AgNO3, uncoated AgNPs (35-nm and 75-nm), or polyvinylpyrrolidone coated AgNPs (PVP-AgNPs) (30-50 nm) for 45 days. High-throughput sequencing of 16S ribosomal ribonucleic acid (16S rRNA) genes using the Illumina MiSeq platform was conducted to evaluate the effects of Ag addition on bacterial community composition. Moreover, sediment microbial biomass and activity were assessed by counting cultivable bacterial number and determining enzyme activities. During the 45-day exposure, compared with no amendment control, some treatments had resulted in significant changes and alterations of sediment biomass or bacterial enzyme activities shortly. While the microbial components at phylum level were rarely affected by AgNPs addition, and as confirmed by the statistical analysis with two-factor analysis of similarities (ANOSIM), there were no significant differences on bacterial community structure across the amended treatments. Redundancy analysis further demonstrated that chemical parameters acid-volatile sulfide (AVS) and simultaneously extracted silver (SE-Ag) in sediment significantly structured the overall bacterial community in sediments spiked with various silver species. In summary, these findings suggested that the ecotoxicity of AgNPs may be attenuated by the transformation under complex environmental conditions and the self-adaption of sediment microbial communities. (C) 2016 Elsevier Ltd. All rights reserved. |
WOS关键词 | AG NANOPARTICLES ; ESTUARINE SEDIMENTS ; ACTIVATED-SLUDGE ; TOXICITY ; SOIL ; IMPACT ; BIOACCUMULATION ; TRANSFORMATION ; INVERTEBRATES ; DIVERSICOLOR |
资助项目 | Natural Science Foundation of China[21477159] ; Major Science and Technology Program for Water Pollution Control and Treatment[2012ZX07103-001] |
WOS研究方向 | Environmental Sciences & Ecology |
语种 | 英语 |
出版者 | ELSEVIER SCI LTD |
WOS记录号 | WOS:000390734100078 |
资助机构 | Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment ; Major Science and Technology Program for Water Pollution Control and Treatment |
源URL | [http://ir.ihb.ac.cn/handle/342005/33464] |
专题 | 水生生物研究所_水环境工程研究中心_期刊论文 |
通讯作者 | Fang, Tao |
作者单位 | 1.Chinese Acad Sci, Inst Hydrobiol, 7 Donghu South Rd, Wuhan 430072, Peoples R China 2.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Bao, Shaopan,Wang, Han,Zhang, Weicheng,et al. An investigation into the effects of silver nanoparticles on natural microbial communities in two freshwater sediments[J]. ENVIRONMENTAL POLLUTION,2016,219(1):696-704. |
APA | Bao, Shaopan,Wang, Han,Zhang, Weicheng,Xie, Zhicai,&Fang, Tao.(2016).An investigation into the effects of silver nanoparticles on natural microbial communities in two freshwater sediments.ENVIRONMENTAL POLLUTION,219(1),696-704. |
MLA | Bao, Shaopan,et al."An investigation into the effects of silver nanoparticles on natural microbial communities in two freshwater sediments".ENVIRONMENTAL POLLUTION 219.1(2016):696-704. |
入库方式: OAI收割
来源:水生生物研究所
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