Physiological responses to heavy metals in higher plants; Defence against oxidative stress

被引：0
|
作者：
Clijsters, H [1 ]
Cuypers, A [1 ]
Vangronsveld, J [1 ]
机构：
[1] Limburgs Univ Ctr, Dept Environm Biol, SBG, B-3590 Diepenbeek, Belgium
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION C-A JOURNAL OF BIOSCIENCES | 1999年 / 54卷 / 9-10期
关键词：
heavy metals; photosynthesis; enzyme induction; oxidative stress; plant defence mechanisms;
D O I：
暂无
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Depending on the physiological process investigated heavy metal phytotoxicity can be either inhibitory or stimulatory. Photosynthesis and its partial light and dark reactions are inhibited; the activity of various enzymes, located in several cell compartiments, is increased. These enzymes are mostly induced since metals affect the transcription activity. They appear to be related to the plant defence against oxidative stress caused by metal phytotoxicity. Careful examination of the time course of this induction reveals differences in response between the metals applied.
引用
收藏
页码：730 / 734
页数：5
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