Distribution and Speciation of Cu in the Root Border Cells of Rice by STXM Combined with NEXAFS
Peng, C; Wang, Y; Sun, LJ; Xu, C; Zhang, LJ; Shi, JY; Shi, JY (reprint author), Zhejiang Univ, Coll Environm & Resource Sci, Dept Environm Engn, Hangzhou 310058, Zhejiang, Peoples R China.
2016
发表期刊BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
ISSN0007-4861
卷号96期号:3页码:408—414
文章类型期刊文献
摘要Root border cells (RBCs) serve plants in their initial line of defense against stress from the presence of heavy metals in the soil. In this research, light microscopy and synchrotron-based scanning transmission X-ray microscopy (STXM) combined with near edge X-ray absorption fine structure spectroscopy (NEXAFS) with a nanoscale spatial resolution were used to investigate the effects of copper (Cu) upon the RBCs, as well as its distribution and speciation within the RBCs of rice (Oryza sativa L.) under aeroponic culture. The results indicated that with increasing exposure time and concentration, the attached RBCs were surrounded by a thick mucilage layer which changed in form from an ellipse into a strip in response to Cu ion stress. Copper was present as Cu(II), which accumulated not only in the cell wall but also in the cytoplasm. To our knowledge, this is the first time that STXM has been used in combination with NEXAFS to provide new insight into the distribution and speciation of metal elements in isolated plant cells.
关键词X-ray Microscopy Aluminum Toxicity Resistance Copper Plants Rhizosphere Nanoparticles Localization Mechanisms Infection
DOI10.1007/s00128-015-1716-0
收录类别SCI
语种英语
WOS记录号WOS:000371244600022
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25688
专题中科院上海应用物理研究所2011-2018年
通讯作者Shi, JY (reprint author), Zhejiang Univ, Coll Environm & Resource Sci, Dept Environm Engn, Hangzhou 310058, Zhejiang, Peoples R China.
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Peng, C,Wang, Y,Sun, LJ,et al. Distribution and Speciation of Cu in the Root Border Cells of Rice by STXM Combined with NEXAFS[J]. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2016,96(3):408—414.
APA Peng, C.,Wang, Y.,Sun, LJ.,Xu, C.,Zhang, LJ.,...&Shi, JY .(2016).Distribution and Speciation of Cu in the Root Border Cells of Rice by STXM Combined with NEXAFS.BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,96(3),408—414.
MLA Peng, C,et al."Distribution and Speciation of Cu in the Root Border Cells of Rice by STXM Combined with NEXAFS".BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 96.3(2016):408—414.
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