植物谷胱甘肽过氧化物酶研究进展

被引:53
作者
苗雨晨
白玲
苗琛
陈珈
宋纯鹏
机构
[1] 河南大学生命科学学院
[2] 中国农业大学植物生理生化国家重点实验室
[3] 河南大学生命科学学院 开封中国农业大学植物生理生化国家重点实验室北京
[4] 开封
[5] 北京
关键词
氧化胁迫; 谷胱甘肽过氧化物酶; 磷脂氢过氧化物谷胱甘肽过氧化物酶;
D O I
暂无
中图分类号
Q946.5 [酶];
学科分类号
071001 ;
摘要
氧化胁迫可诱导植物多种防御酶的产生,其中包括超氧化物歧化酶(SOD,EC1.15.1.1)、抗坏血酸过氧化物酶(APX,EC1.11.1.11)、过氧化氢酶(CAT,E.C.1.11.1.6)和谷胱甘肽过氧化物酶(GPXs,EC1.11.1.9)。它们在清除活性氧过程中起着不同的作用。GPXs是动物体内清除氧自由基的主要酶类,但它在植物中的功能报道甚少。最近几年研究表明,植物体内也存在类似于哺乳动物的GPXs家族,并对其功能研究已初见端倪。本文综述了有关GPXs的结构以及植物GPXs功能的研究进展。
引用
收藏
页码:350 / 356
页数:7
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