Does ozone induce a C3-CAM transition in Mesembryanthemum crystallinum leaves?

被引：0
|
作者：
Niewiadomska, E [1 ]
Pater, B [1 ]
Miszalski, Z [1 ]
机构：
[1] Polish Acad Sci, Dept Plant Physiol, PL-31016 Krakow, Poland
来源：
PHYTON-ANNALES REI BOTANICAE | 2002年 / 42卷 / 01期
关键词：
C-3-CAM shift; Mesembryanthemum crystallinum; ozone; oxidative stress;
D O I：
暂无
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The effect of ozone (80 and 200 ppb) on C-3-CAM intermediate plant M. crystallinum was tested. Fumigation with ozone increased the osmolarity of the cell sap and stimulated the activity of ascorbate peroxidase. As shown by unchanged value of day/night A malate, ozone treatment did not induce a C-3-CAM shift, despite of the stimulation of CAM-related decarboxylating enzymes. The enhanced respiratory activity and stimulated fumarase activity contributed to supply energy for the repair processes.
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页码：69 / 78
页数：10
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