中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Growing Rice Aerobically Markedly Decreases Mercury Accumulation by Reducing Both Hg Bioavailability and the Production of MeHg

文献类型:期刊论文

作者Wang, Xun ; Ye, Zhihong ; Li, Bing ; Huang, Linan ; Meng, Mei ; Shi, Jianbo ; Jiang, Guibin
刊名ENVIRONMENTAL SCIENCE & TECHNOLOGY
出版日期2014
卷号48期号:3页码:1878-1885
ISSN号0013-936X
中文摘要Rice consumption represents a major route of mercury (Hg) and methylmercury (MeHg) exposure for those living in certain areas of inland China. In this study we investigated the effects of water management on bioavailable Hg, MeHg, and sulfate-reducing bacteria (SRB, abundance and community composition) in rhizosphere. soil, and total Hg (THg) and MeHg in rice plants grown under glasshouse and paddy field conditions. Aerobic conditions greatly decreased the amount of THg and MeHg taken up by rice plants and affected their distribution in different plant tissues. There were positive correlations between bioavailable Hg and THg in brown rice and roots and between numbers of SRB and MeHg in brown rice, roots, and rhizosphere soil. Furthermore, the community composition of SRB was dramatically influenced by the water management regimes. Our results demonstrate that the greatly reduced bioavailability of Hg and production of MeHg are due to decreased SRB numbers and proportion of Hg methylators in the rhizosphere under aerobic conditions. These are the main reasons for the reduced Hg and MeHg accumulation in aerobically grown rice. Water management is indicated as an effective measure that can be used to reduce Hg and MeHg uptake by rice plants from Hg. contaminated paddy fields.
WOS记录号WOS:000331015100064
公开日期2015-03-24
源URL[http://ir.rcees.ac.cn/handle/311016/9376]  
专题生态环境研究中心_环境化学与生态毒理学国家重点实验室
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GB/T 7714
Wang, Xun,Ye, Zhihong,Li, Bing,et al. Growing Rice Aerobically Markedly Decreases Mercury Accumulation by Reducing Both Hg Bioavailability and the Production of MeHg[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2014,48(3):1878-1885.
APA Wang, Xun.,Ye, Zhihong.,Li, Bing.,Huang, Linan.,Meng, Mei.,...&Jiang, Guibin.(2014).Growing Rice Aerobically Markedly Decreases Mercury Accumulation by Reducing Both Hg Bioavailability and the Production of MeHg.ENVIRONMENTAL SCIENCE & TECHNOLOGY,48(3),1878-1885.
MLA Wang, Xun,et al."Growing Rice Aerobically Markedly Decreases Mercury Accumulation by Reducing Both Hg Bioavailability and the Production of MeHg".ENVIRONMENTAL SCIENCE & TECHNOLOGY 48.3(2014):1878-1885.

入库方式: OAI收割

来源:生态环境研究中心

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