Changes in growth and antioxidative enzyme activities in Vicia faba L. seedlings under chromium stress

被引：3
|
作者：
Kaur P. [1 ]
Sharma N. [1 ]
Kumar M. [1 ]
Kaur S. [1 ]
机构：
[1] Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar
来源：
Indian Journal of Plant Physiology | 2014年 / 19卷 / 2期
关键词：
Chromium; Comet assay; Genotoxicity; Vicia faba;
D O I：
10.1007/s40502-014-0080-0
中图分类号：
学科分类号：
摘要：
Genotoxicity of hexavalent chromium (0, 0.25, 0.5, 1.0 and 2.0 mM) was assessed using comet assay in root tip cells of Vicia faba. Metal stress resulted in decrease in root and shoot length as well as fresh biomass of V. faba seedlings. Total protein content in Cr treated roots was low as compared to control plants. Activities of catalase, peroxidase and ascorbate peroxidase were found to enhance significantly in a dose dependent manner with increasing concentrations of Cr whereas superoxide dismutase showed a decreasing trend. © 2014 Indian Society for Plant Physiology.
引用
收藏
页码：101 / 106
页数：5
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