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An investigation of cellular distribution of manganese in hyperaccumlator plant Phytolacca acinosa Roxb. using SRXRF analysis
Xu, XH; Shi, JY; Chen, YX; Xue, SG; Wu, B; Huang, YY; Huang YY(黄宇营)
2006
发表期刊JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
卷号18期号:4页码:746-751
通讯作者Zhejiang Univ, Dept Environm Engn, Hangzhou 310029, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要Phytolacca acinosa Roxb. (P. acinosa) is a recently discovered manganese hyperaccumulator plant from southern China. It is a good candidate for phytoremediation of manganese (Mn) polluted soil for its high biomass and fast growth. Knowledge of the tissue localization and identification of heavy metals can provide essential information on metal toxicity and bioaccumulation mechanisms. Synchrotron radiation X-ray fluorescence spectroscopy (SRXRF) microprobe was used in this study to investigate the cellular distributions of Mn and other elements in root, stem, leaf, petiole and midrib of P. acinosa. The highest Mn content was found in the vascular tissues of root, stem, petiole and midrib. Cortex in root played a key role in Mn absorption and Mn was limited in the vascular bundle during the process of transportation in stem. Moreover, Mn content in leaf epidermis was higher than that in mesophyll, which suggested that the sequestration of Mn in leaf epidermis might be one of the detoxification mechanisms of P. acinosa. The significance of other elemental (such as P, S, K, Ca, Fe, Zn and Cu) distribution patterns and the correlation with Mn were also discussed.
关键词hyperaccumulator Phytolacca acinosa Roxb. manganese element distribution SRXRF
学科领域Environmental Sciences & Ecology
研究领域[WOS]Environmental Sciences & Ecology ; Environmental Sciences & Ecology
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语种英语
研究领域[WOS]Environmental Sciences & Ecology ; Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000239048400021
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238415
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Xu, XH,Shi, JY,Chen, YX,et al. An investigation of cellular distribution of manganese in hyperaccumlator plant Phytolacca acinosa Roxb. using SRXRF analysis[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2006,18(4):746-751.
APA Xu, XH.,Shi, JY.,Chen, YX.,Xue, SG.,Wu, B.,...&黄宇营.(2006).An investigation of cellular distribution of manganese in hyperaccumlator plant Phytolacca acinosa Roxb. using SRXRF analysis.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,18(4),746-751.
MLA Xu, XH,et al."An investigation of cellular distribution of manganese in hyperaccumlator plant Phytolacca acinosa Roxb. using SRXRF analysis".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 18.4(2006):746-751.
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