Effects of ultraviolet radiation on plant cells

被引:371
作者
Hollósy, F [1 ]
机构
[1] Semmelweis Univ Budapest, Dept Med Chem Mol Biol & Pathobiochem, H-1088 Budapest, Hungary
关键词
ultraviolet radiation; plant cells; target sites and damages; cellular responses; protective enzymatic and non-enzymatic mechanisms; signal-transduction of UV radiation;
D O I
10.1016/S0968-4328(01)00011-7
中图分类号
TH742 [显微镜];
学科分类号
摘要
Recent measurements of ozone levels have led to concern that the stratospheric ozone layer is being depleted as a result of contamination with man-made chlorofluorocarbons. Concomitantly, the amounts of solar UV-B radiation reaching the Earth's surface is increasing. UV-B radiation has been shown to be harmful to living organisms, damaging DNA, proteins, lipids and membranes. Plants, which use sunlight for photosynthesis and are unable to avoid exposure to enhanced levels of UV-B radiation, are at risk. Thus, mechanisms by which plants may protect themselves from UV radiation are of particular interest. This review will summarizes the main aspects of ultraviolet radiation on plants at physiological and biochemical level, with particular emphasis on protective structures and mechanisms. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:179 / 197
页数:19
相关论文
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