植物质膜质子泵H^+——ATPase的活性调节及功能研究进展  

Active Regulation of Plant Cytoplasm Velamen H+——ATPase and Development of Research

作　　者：任迎虹[1] 余前媛[1] 谌晓芳[1] 

机构地区：[1]西昌农业高等专科学校,四川西昌615013

出　　处：《西昌农业高等专科学校学报》2002年第2期40-42,共3页

摘　　要：植物细胞质膜H^+—ATPase(EC3.6.1.35)是质膜上的插入蛋白,具有利用水解ATP产生的能量,将细胞质膜内侧的H^+泵到质膜外侧的特征,简称为质子泵。它对植物细胞营养物质的吸收、细胞生长、气孔运动和渗透调节等生理过程有重要的调节作用,是植物生命活动的“主宰酶”。自从Hodges等在离体质膜中证实ATPase活性以来,质膜H^+—ATPase的研究受到了广泛的重视。特别是近20年来,随着表面活性剂的应用和分离纯化技术的不断改进,获得了高纯度的酶制剂。本文着重阐述了植物质膜质子泵H^+——ATPase在活性调节及功能方面的研究进展。Plant cytoplasm velamen H+ ——ATPase (EC3.6.1.35) is an inserted protein on the velamen. It can produce energy by hydrolytic ATP, and pump out H+ at the inner side of velamen, so it is called protonic pump. It can regulate plant cells' absorption of nutrient, growth of cells, stoma movement and infiltration. It is a 'dominant enzyme' of plants' growth. Researches on velamen H+ ——ATPase have attracted extensive attention since Hodges 1 demonstrated the activity of ATPase. Particularly in the past 20 years, the application of surface active agents and the improvement in separation and purification leaded to production of highly purified enzyme agents. This paper centers on development of researches on H+——ATPase's active regulation and functions.

关 键 词：植物 质膜 质子泵 H^+-ATPASE 活性调节 生理功能 

分 类 号：Q946.5[生物学—植物学]