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Chemical forms of manganese in the leaves of manganese hyperaccumulator Phytolacca acinosa Roxb. (Phytolaccaceae)
Xu, XH; Shi, JY; Chen, XC; Chen, YX; Hu, TD; Hu TD(胡天斗)
2009
发表期刊PLANT AND SOIL
卷号318期号:1-2页码:#REF!
通讯作者Shi, JY (reprint author), Zhejiang Univ, Dept Environm Engn, Hangzhou 310029, Zhejiang, Peoples R China.
文章类型Article
摘要Phytolacca acinosa Roxb. is a Mn hyperaccumulating plant. In the present study, the chemical forms of Mn in the leaves of P. acinosa were investigated using chemical analyses and X-ray absorption spectroscopy (XAS). P. acinosa plants were grown hydroponically with 2 mM Mn for 28 days. About 80% of the Mn in the leaves of P. acinosa was found in the supernatant fraction after centrifugation at 20,000g for 45 min. The supernatant fraction was then used to identify the chemical forms of Mn. Gel filtration analysis (Sephadex G-10) showed that oxalate and Mn appeared in the same fraction of the supernatant and the molar ratio of oxalic acid to Mn was 1.12, indicating that there was sufficient oxalic acid in P. acinosa leaves to complex Mn. XAS was employed to investigate the chemical species of Mn in leaves of P. acinosa. Results showed that Mn in leaves was bivalent and almost 90% of the total Mn was Mn-oxalate. The oxalate concentration in the leaves of P. acinosa was not affected by increasing Mn concentration in the solution, suggesting that oxalate biosynthesis was not induced by Mn.
关键词Chemical form Hyperaccumulator Phytolacca acinosa Roxb. Manganese
学科领域Agriculture; Plant Sciences
DOI10.1007/s11104-008-9829-4
收录类别SCI
WOS类目Agronomy ; Plant Sciences ; Soil Science
WOS记录号WOS:000265538000017
引用统计
被引频次:20[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/311005/226872
专题多学科研究中心
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GB/T 7714
Xu, XH,Shi, JY,Chen, XC,et al. Chemical forms of manganese in the leaves of manganese hyperaccumulator Phytolacca acinosa Roxb. (Phytolaccaceae)[J]. PLANT AND SOIL,2009,318(1-2):#REF!.
APA Xu, XH,Shi, JY,Chen, XC,Chen, YX,Hu, TD,&胡天斗.(2009).Chemical forms of manganese in the leaves of manganese hyperaccumulator Phytolacca acinosa Roxb. (Phytolaccaceae).PLANT AND SOIL,318(1-2),#REF!.
MLA Xu, XH,et al."Chemical forms of manganese in the leaves of manganese hyperaccumulator Phytolacca acinosa Roxb. (Phytolaccaceae)".PLANT AND SOIL 318.1-2(2009):#REF!.
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