The activity of antioxidant enzymes in Arabidopsis thaliana exposed to colchicine and H2O2

被引：0
|
作者：
Drazkiewicz, M
Skórzynska-Polit, E
Wanke, M
Sziezewska, E
机构：
[1] Marie Curie Sklodowska Univ, Dept Plant Physiol, PL-20033 Lublin, Poland
[2] Polish Acad Sci, Inst Biochem & Biophys, PL-02106 Warsaw, Poland
来源：
CELLULAR & MOLECULAR BIOLOGY LETTERS | 2003年 / 8卷 / 03期
关键词：
Arabidopsis thaliana; colchicine; H2O2; catalase; peroxidases; superoxide dismutase;
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：
Studies on the possible interference of colchicine and H2O2 with the activity of some antioxidant enzymes were carried out on Arabidopsis thaliana v. Columbia grown in Murashige and Skooge nutrient medium. Measurements of superoxide dismutase (SOD), guaiacol peroxidase (POX), ascorbate peroxidase (APX) and catalase (CAT) activities were conducted spectrophotometrically. In the presence of colchicine, SOD activity increased, while CAT, APX and POX activities decreased. Inhibitory H2O2 effects on the activity of the enzymes were found. Colchicine pre-treatment resulted in an increase in CAT activity and a further increase in SOD activity in plants treated with H2O2.
引用
收藏
页码：777 / 781
页数：5
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