陆生植物体内酶系统对UV-B辐射增强的响应

被引:13
作者
姚晓芹
刘庆
机构
[1] 中国科学院成都生物所生态中心
基金
中国科学院知识创新工程重大项目; 国家自然科学基金重点项目;
关键词
UV-B辐射; 酶; 酶活性;
D O I
10.13287/j.1001-9332.2006.0188
中图分类号
Q947 [植物生物物理学];
学科分类号
摘要
臭氧层减薄导致地表中波紫外线UV-B(280~320nm)辐射的增强,UV-B辐射能量远高于可见光,且能被植物体内蛋白质和核酸等生物大分子吸收.酶是植物体内起催化作用的一类蛋白质,酶的数量和活性对UV-B辐射增强有强烈的响应.本文将近年来增强UV-B辐射对植物体内酶影响的研究工作进行了综述.主要包括抗氧化酶、核酮糖-1,5-二磷酸羧化酶、硝酸还原酶和谷氨酰胺合成酶.并就今后该方面的研究提出建议.
引用
收藏
页码:939 / 942
页数:4
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