| 一氧化氮（NO）在UV-B信号传导中的作用及UV-B对植物生长影响专题——增强的UV-B辐射对植物的影响 |
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| 引用本文： | 王弋博.一氧化氮（NO）在UV-B信号传导中的作用及UV-B对植物生长影响专题——增强的UV-B辐射对植物的影响[J].天水师范学院学报,2009,29(5):20-24. |
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| 作者姓名： | 王弋博 |
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| 作者单位： | 天水师范学院,生命科学与化学学院,甘肃,天水,741001 |
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| 摘 要： | 大量氯氟烃和一氧化氮的使用引起了臭氧层的衰减，从而使到达地球表面的紫外-B（UV-B，280-320nm）辐射增强．增强的UV-B辐射所产生的生物学和生态学效应受到广泛的重视和深入的研究．人们对植物抗UV-B机制的研究取得了不少可喜的成果．但对于植物UV-B信号的传导过程还不甚明了．在UV-B信号传导过程中JA、SA、乙烯和ROS都是很重要的信号分子，这些信号分子在植物对逆境胁迫反应中的信号传导机制研究成为研究的热点．
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| 关 键 词： | UV-B辐射 植物 生长 |
Effects of Enhanced UV-B radiation on Plant |
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| Wang Yibo.Effects of Enhanced UV-B radiation on Plant[J].Journal of Tianshui Normal University,2009,29(5):20-24. |
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| Authors: | Wang Yibo |
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| Institution: | Wang Yibo (School of Chemistry and Life Science, Tianshui Normal University, Tianshui Gansu 741000,China) |
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| Abstract: | Reduction in stratospheric ozone due to the release of chlorofluorocarbons （CFCs） and nitrogen oxide has resulted in increasing in the flux of solar uhraviolet-B（280-320nm） radiation reaching the Earth＇s surface.More and more attention and researches on biological and ecological effect of UV-B radiation were carried out. Many welcome results on the mechanism of UV-B plant resistence were gained, but the tranmission process of UV-B signal remains unknown. The researches show that JA, SA, ROS and ethylene are important signal molecules in the process of thansmission of UV-B signal, and the study of the signal transduction mechanism of these signal molecules in the process of plant reponse to adversity stress signal transduction become research focus. The review on the development of UV-B research were concluded in this paper. |
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| Keywords: | ultraviolet-B radiation plant grow |
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