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《Sichuan Environment》 2008-05
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The Research Advance in Toxic Hazard of Heavy Metal Stress on Plant and Its Resistance Mechanism

TANG Dong-min1,2,WU Jun2,TANG Yong3,ZONG Gui-yi1,ZENG Rong1(1.Meishan Environmental Monitoring Station,Meishan,Sichuan 620010,China;2.Department of Environmental Science & Engineering of Sichuan Agricultural University,Ya'an,Sichuan 625014,China;3.Mianyang Gongmao College of Sichuan Province,Mianyang,Sichuan 621023,China)  
This paper reviewed the toxic hazard effects of heavy metal stress on plant such as inhibiting root growth,increasing permeability of cell membrane,destroying anti-oxidative enzymes system and photosynthesis,and causing DNA damages as well as consequential resistance reactions such as activation of metal complex protein,competition of binding site,compartmentation of heavy metal distribution in cell,induction to produce roots secretion.Important research points in future were prospected.
【Fund】: 四川省科技厅应用基础基金资助项目(02NY029-099)
【CateGory Index】: X173
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