Effect of salt stress on lipid peroxidation and superoxide dismutase and peroxidase activities of Lycopersicon esculentum and L-pennellii

被引：83
|
作者：
Koca, H. [1 ]
Ozdemir, F. [1 ]
Turkan, I. [1 ]
机构：
[1] Ege Univ, Fac Sci, Dept Biol, TR-35100 Izmir, Turkey
来源：
BIOLOGIA PLANTARUM | 2006年 / 50卷 / 04期
关键词：
antioxidant enzymes; ascorbate peroxidase; glutathione reductase; malondialdehyde; NaCl; tomato;
D O I：
10.1007/s10535-006-0121-2
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
In this study, a relationship between lipid peroxidation, the antioxidant defense system and salt stress in salt-sensitive cultivated tomato (Lycopersicon esculentum) and its salt-tolerant wild relative (L. pennellii) was established. Superoxide dismutase (SOD) activities were significantly higher in the leaves of L. pennellii than those of L. esculentum after 12 and 84 d. POX activity showed a gradual increase in both cultivars under 70 mM NaCl. POX activity in L. pennellii significantly increased after 6 and 84 d whereas showed no remarkable change in leaves of L. esculentum under 140 mM NaCl. A higher salinity tolerance of L. pennellii was also correlated with a lower lipid peroxidation, which might be due to a higher content of antioxidant enzymes studied.
引用
收藏
页码：745 / 748
页数：4
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