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题名:
Pathways of cadmium fluxes in the root of the halophyte Suaeda salsa
作者: Li, Lianzhen1; Liu, Xiaoli1,2; Peijnenburg, Willie J. G. M.3,4; Zhao, Jianmin1; Chen, XiaoBing(陈小兵)1; Yu, Junbao1; Wu, Huifeng1
刊名: ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN号: 0147-6513
出版日期: 2012
卷号: 75, 期号:., 页码:1-7
关键词: Cadmium ; Halophyte plants ; Suaeda salsa ; Scanning ion-selective electrode technique ; Metal uptake
学科分类: Environmental Sciences & Ecology ; Toxicology
产权排序: [Li, Lianzhen; Liu, Xiaoli; Zhao, Jianmin; Chen, Xiaobing; Yu, Junbao; Wu, Huifeng] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Shandong Prov Key Lab Coastal Zone Environm Proc, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China; [Liu, Xiaoli] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China; [Peijnenburg, Willie J. G. M.] Natl Inst Publ Hlth & Environm, Lab Ecol Risk Assessment, NL-3720 BA Bilthoven, Netherlands; [Peijnenburg, Willie J. G. M.] Leiden Univ, Inst Environm Sci CML, Leiden, Netherlands
通讯作者: Wu, HF (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Shandong Prov Key Lab Coastal Zone Environm Proc, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China. hfwu@yic.ac.cn
作者部门: 污染过程与控制实验室 
英文摘要: Halophyte plants offer a greater potential for phytoremediation research for reducing the levels of toxic metals from saline soils than salt sensitive plants. Using the scanning ion-selective electrode technique, we analyzed the pattern and rate of Cd2+ fluxes at different regions of the root apex of Suaeda salsa. The Cd2+ influx in the rhizosphere was greatest near the root tip (within 150 mu m of the tip). The results indicated that Cd2+ influx into roots was significantly suppressed by the pre-treatment or in the presence of two kinds of Ca2+ channel blockers; LaCl3 and verapamil. The Cd2+ influx was also reduced by N-ethylmaleimide, a thiol blocker. Cd content determination and labeling of Cd using fluorescent dye support our conclusion. The results of this study provide a more stable theoretical basis for the phytoremediation of Cd contamination in saline soils of coastal zones. (C) 2011 Elsevier Inc. All rights reserved.
研究领域[WOS]: Environmental Sciences & Ecology ; Toxicology
关键词[WOS]: ION-SELECTIVE MICROELECTRODES ; HEAVY-METAL TRANSPORT ; METABOLIC-INHIBITORS ; POLLEN-TUBE ; ACCUMULATION ; CALCIUM ; PLANTS ; STRESS ; TOLERANCE ; WHEAT
文章类型: Article
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000297088500001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/5616
Appears in Collections:污染过程与控制实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Shandong Prov Key Lab Coastal Zone Environm Proc, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Natl Inst Publ Hlth & Environm, Lab Ecol Risk Assessment, NL-3720 BA Bilthoven, Netherlands
4.Leiden Univ, Inst Environm Sci CML, Leiden, Netherlands

Recommended Citation:
Li, Lianzhen,Liu, Xiaoli,Peijnenburg, Willie J. G. M.,et al. Pathways of cadmium fluxes in the root of the halophyte Suaeda salsa[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2012,75(.):1-7.
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