Effects of exogenous spermine on sweet sorghum during germination under salinity

被引：44
|
作者：
Chai, Y. Y. [1 ,2 ]
Jiang, C. D. [1 ]
Shi, L. [1 ]
Shi, T. S. [2 ]
Gu, W. B. [1 ]
机构：
[1] Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China
[2] Zhengzhou Univ, Dept Bioengn, Zhengzhou 450001, Henan, Peoples R China
来源：
BIOLOGIA PLANTARUM | 2010年 / 54卷 / 01期
关键词：
antioxidant enzymes; oxidative stress; Sorghum bicolor; INDUCED OXIDATIVE DAMAGE; SALT STRESS; LIPID-PEROXIDATION; POLYAMINES; PROLINE; SEEDLINGS; LEAVES; L; ACCUMULATION; METABOLISM;
D O I：
10.1007/s10535-010-0023-1
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Seedlings of Sorghum bicolor (L.) Moench were subjected to 180 mM NaCl with or without 0.25 mM spermine (SPM) for 7 d. NaCl treatment resulted in the inhibition of growth and increased the content of free proline, soluble protein and malondialdehyde (MDA). Additionally, it also enhanced the activity of catalase (CAT), peroxidase (POX) in both shoots and roots, while decreased that of glutathione reductase (GR). When exogenous spermine was added to the test solution, the growth of sweet sorghum seedlings was improved, and a smaller increase in the free proline and MDA contents was observed. The addition of spermine also partially increased the activities of POX and GR, but had no effects on soluble protein content or the activity of CAT.
引用
收藏
页码：145 / 148
页数：4
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