Structural-functional features of plant isoperoxidases

被引:9
|
作者
Maksimov, I. V. [1 ]
Cherepanova, E. A. [1 ]
Burkhanova, G. F. [1 ]
Sorokan', A. V. [1 ]
Kuzmina, O. I. [1 ]
机构
[1] Russian Acad Sci, Inst Biochem & Genet, Ufa Sci Ctr, Ufa 450054, Russia
关键词
peroxidases; genes; expression; structural-functional features; pathogens; resistance; CLASS-III PEROXIDASES; HYDROGEN-PEROXIDE; OXIDATIVE STRESS; CELL-DEATH; EXTRACELLULAR PEROXIDASE; ASCORBATE PEROXIDASE; ANIONIC PEROXIDASE; DEFENSE RESPONSES; SALICYLIC-ACID; TOBACCO PLANTS;
D O I
10.1134/S0006297911060010
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
Current data on structural-functional features of plant peroxidases and their involvement in functioning of the pro-/antioxidant system responding to stress factors, especially those of biotic origin, are analyzed. The collection of specific features of individual isoforms allows a plant to withstand an aggressive influence of the environment. Expression of some genes encoding different isoperoxidases is regulated by pathogens (and their metabolites), elicitors, and hormone-like compounds; specific features of this regulation are considered in detail. It is suggested that isoperoxidases interacting with polysaccharides are responsible for a directed deposition of lignin on the cell walls, and this lignin in turn is concurrently an efficient strengthening material and protects the plants against pathogens.
引用
收藏
页码:609 / 621
页数:13
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