Mechanisms of efficient As solubilization in soils and As accumulation by As-hyperaccumulator Pteris vittata

被引：59
作者：
Han, Yong-He [1 ]
Liu, Xue [1 ]
Rathinasabapathi, Bala [2 ]
Li, Hong-Bo [1 ]
Chen, Yanshan [1 ]
Ma, Lena Q. [1 ,3 ]
机构：
[1] Nanjing Univ, State Key Lab Pollut Control & Resource Reuse, Sch Environm, Nanjing 210046, Jiangsu, Peoples R China
[2] Univ Florida, Hort Sci Dept, Gainesville, FL 32611 USA
[3] Univ Florida, Soil & Water Sci Dept, Gainesville, FL 32611 USA
来源：
ENVIRONMENTAL POLLUTION | 2017年 / 227卷
关键词：
Translocation; Reduction; Phytate; Efflux; Root exudate; Transporter; ARSENIC-RESISTANT BACTERIA; 3; CONTAMINATED-SOILS; PLANT-GROWTH; ARABIDOPSIS-THALIANA; PHOSPHATE ROCK; PROTEOMIC ANALYSIS; UPTAKE KINETICS; HOLCUS-LANATUS; ENSIFORMIS L; RICE;
D O I：
10.1016/j.envpol.2017.05.001
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Arsenic (As) in soils is of major environmental concern due to its ubiquity and carcinogenicity. Pteris vittata (Chinese brake fern) is the first known As-hyperaccumulator, which is highly efficient in extracting As from soils and translocating it to the fronds, making it possible to be used for phytoremediation of As-contaminated soils. In addition, P. vittata has served as a model plant to study As metabolisms in plants. Based on the recent advances, we reviewed the mechanisms of efficient As solubilization and transformation in rhizosphere soils of P. vittata and effective As uptake, translocation and detoxification in P. vittata. We also provided future research perspectives to further improve As phytoremediation by P. vittata. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：569 / 577
页数：9
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