首页|期刊导航|中国农业科学（英文版）|Effects of Wounding and Exogenous Jasmonic Acid on the Peroxidation of Membrane Lipid in Pea Seedlings Leaves
中国农业科学（英文版）2005，Vol.4Issue(8)：614-620,7.
Effects of Wounding and Exogenous Jasmonic Acid on the Peroxidation of Membrane Lipid in Pea Seedlings Leaves
Effects of Wounding and Exogenous Jasmonic Acid on the Peroxidation of Membrane Lipid in Pea Seedlings Leaves
摘要
Abstract
The changes of malondialdehyde (MDA), H2O2, and O2-content, or the activities of superoxide dismutase (SOD), catalase(CAT), ascrobate peroxidase (APX), peroxidase (POD), phenylalanine ammonia lyase (PAL), and polyphenol oxidase(PPO) in pea seedlings (Pisum sativum L.) under wounding and treatment of exogenous jasmonic acid (JA) were investigated.The results showed that the activities of both phenylalanine ammonia lyase (PAL) and polyphenol oxidase (PPO) were significantly increased by wounding and application of JA. The metabolism of reaction oxidative species (ROS) was APX and POD were also increased. Treatment of JA of 1 or 10 μmol L-1 could effectively induce plant defense response,and thus decrease the peroxidation of cell membrane lipid. However, high concentration of JA (100 μmol L-1) resulted in unbalance of metabolism of ROS and promoted the peroxidation of cell membrane lipid. We thus suggested that JA, under the suitable concentration, could induce defense response of pea seedlings to wounding.关键词
Pisum sativum L./Wounding/Jasmonic acid/Peroxidation of membrane lipid/Defense responseKey words
Pisum sativum L./Wounding/Jasmonic acid/Peroxidation of membrane lipid/Defense response分类
农业科技引用本文复制引用
HAO Yan-yan,LIU Yan-yan,HUANG Wei-dong..Effects of Wounding and Exogenous Jasmonic Acid on the Peroxidation of Membrane Lipid in Pea Seedlings Leaves[J].中国农业科学（英文版）,2005,4(8):614-620,7.基金项目
This work was supported by the National Natural Science Foundation of China (30270918) and the National High Technology Research and Development Program of China (863 Program （30270918）
2003AA241170). （）
