Plastoquinone: possible involvement in plant disease resistance

被引：0

作者：

Maciejewska, U ^{[1
]}

Polkowska-Kowalczyk, L ^{[1
]}

Swiezewska, E ^{[1
]}

Szkopinska, A ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Biochem & Biophys, PL-02106 Warsaw, Poland

来源：

ACTA BIOCHIMICA POLONICA | 2002年 / 49卷 / 03期

关键词：

plastoquinone; plants; pathogen resistance;

D O I：

暂无

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The plant Solanum nigrum treated with the pathogen Phytophthora infestans-derived elicitor responded by elevated reactive oxygen species (ROS) production, lipid peroxidation and lipoxygenase (EC 1.13.11.12) activity in comparison with control plants indicating that oxidative stress took place. We demonstrate that these events are accompanied by a significant increase in plastoquinone (PQ) level. It is postulated that PQ may be associated with mechanisms maintaining a tightly controlled balance between the accumulation of ROS and antioxidant activity that determines the full expression of effective defence.

引用

页码：775 / 780

页数：6

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