过刊浏览

草酸处理对热胁迫下辣椒叶片膜透性和钙分布的影响

张宗申, 利容千, 王建波

武汉大学植物发育生物学教育部重点实验室.湖北,武汉 430072

摘要

热胁迫使叶肉细胞膜相对透性升高,草酸处理则减轻升高幅度。热胁迫使叶片中GSH和AsA含量下降;草酸处理则使二者在热胁迫下含量下降幅度较小。常温下辣椒叶肉细胞的焦锑酸钙沉淀颗粒主要分布于液泡、胞间隙和叶绿体中,热胁迫下液泡、细胞间隙中减少,但在细胞核和细胞质中出现;经过草酸处理的叶肉细胞,焦锑酸钙沉淀颗粒在胞间隙中明显增多,液泡中减少。

关键词： 辣椒; 草酸; 热胁迫; Ca2+

Effects of oxalate treatment on the membrane permeability and calcium distribution in pepper leaves under heat stress

Zhang Zongshen, Li Rongqian, Wang Jianbo

Key Laboratory of MOE for Plant Developmental Biology,Wuhan University.Wuhan 430072,Hubei

Abstract

The changes in electrolyte leakage, ascorbate (AsA) and glutathione (GSH) contents, along with the Ca~(2+) distribution in oxalate-treated pepper (Capsicum annuum L. cv. Xiang-yan10) leaves under heat stress were investigated.

Key words: Pepper;Oalate;Heat stress;Ca~(2+)

收稿日期：　　录用日期：

通讯作者：　　E-mail:

引用本文：

张宗申, 利容千, 王建波. 草酸处理对热胁迫下辣椒叶片膜透性和钙分布的影响[J]. 生理学报 2001; 53 (2): .

Zhang Zongshen, Li Rongqian, Wang Jianbo. Effects of oxalate treatment on the membrane permeability and calcium distribution in pepper leaves under heat stress. Acta Physiol Sin 2001; 53 (2): (in Chinese with English abstract).