Influence of sulfur on the accumulation of mercury in rice plant (oryza sativa l.) growing in mercury contaminated soils
文献类型：期刊论文
| 作者 | Li, Yunyun1,2; Zhao, Jiating1; Guo, Jingxia2; Liu, Mengjiao2; Xu, Qinlei2; Li, Hong1; Li, Yu-Feng1; Zheng, Lei3; Zhang, Zhiyong1; Gao, Yuxi1 |
| 刊名 | Chemosphere
 |
| 出版日期 | 2017-09-01 |
| 卷号 | 182页码:293-300 |
| 关键词 | Sulfur Mercury Rice Sr-xanes |
| ISSN号 | 0045-6535 |
| DOI | 10.1016/j.chemosphere.2017.04.129 |
| 通讯作者 | Li, yu-feng(liyf@ihep.ac.cn) ; Gao, yuxi(gaoyx@ihep.ac.cn) |
| 英文摘要 | Sulfur (s) is an essential element for plant growth and its biogeochemical cycling is strongly linked to the species of heavy metals in soil. in this work, the effects of s (sulfate and elemental sulfur) treatment on the accumulation, distribution and chemical forms of hg in rice growing in hg contaminated soil were investigated. it was found that s could promote the formation of iron plaque on the root surface and decrease total mercury (t-hg) and methylmercury (mehg) accumulation in rice grains, straw, and roots. hg in the root was dominated in the form of rs-hg-sr. sulfate treatment increased the percentage of rs-hg-sr to t-hg in the rice root and changed the hg species in soil. the dominant hg species (70%) in soil was organic substance bound fractions. sulfur treatment decreased hg motility in the rhizosphere soils by promoting the conversion of rs-hg-sr to hgs. this study is significant since it suggests that low dose sulfur treatment in hg-containing water irrigated soil can decrease both t-hg and mehg accumulation in rice via inactivating hg in the soil and promoting the formation of iron plaque in rice root, which may reduce health risk for people consuming those crops. (c) 2017 published by elsevier ltd. |
| WOS关键词 | SULFATE-REDUCING BACTERIA ; METHYLMERCURY EXPOSURE ; IRON PLAQUE ; METHYLATION ; SPECIATION ; SEDIMENTS ; CHINA ; TRANSFORMATION ; TRANSLOCATION ; ASSIMILATION |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000403991700035 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2177311 |
| 专题 | 高能物理研究所 |
| 通讯作者 | Li, Yu-Feng; Gao, Yuxi |
| 作者单位 | 1.Chinese Acad Sci, Inst High Energy Phys, State Environm Protect Engn Ctr Mercury Pollut Pr, Lab Metall & Nanometall, Beijing 100049, Peoples R China 2.Fujian Agr & Forestry Univ, Coll Resources & Environm, Fujian Prov Key Lab Soil Environm Hlth & Regulat, Fuzhou 350002, Fujian, Peoples R China 3.Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Yunyun,Zhao, Jiating,Guo, Jingxia,et al. Influence of sulfur on the accumulation of mercury in rice plant (oryza sativa l.) growing in mercury contaminated soils[J]. Chemosphere,2017,182:293-300. |
| APA | Li, Yunyun.,Zhao, Jiating.,Guo, Jingxia.,Liu, Mengjiao.,Xu, Qinlei.,...&Gao, Yuxi.(2017).Influence of sulfur on the accumulation of mercury in rice plant (oryza sativa l.) growing in mercury contaminated soils.Chemosphere,182,293-300. |
| MLA | Li, Yunyun,et al."Influence of sulfur on the accumulation of mercury in rice plant (oryza sativa l.) growing in mercury contaminated soils".Chemosphere 182(2017):293-300. |
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来源：高能物理研究所
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