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当前位置: 首页 > 文章 > 烟草野火病菌(Pseudomonas syringae pv.tabaci)对烟草细胞内5种防御酶系统的影响 山东农业大学学报(自然科学版) 2002,33 (1) 28-31
Position: Home > Articles > THE EFFCTS OF PSEUDOMONAS SYRINGAE PV. TABACI ON THE DEFENDANT ENZYMES IN TOBACCO CELLS Journal of Shandong Agricultural University(Natural Science Edition) 2002,33 (1) 28-31

烟草野火病菌(Pseudomonas syringae pv.tabaci)对烟草细胞内5种防御酶系统的影响

作  者：
阚光锋;张广民;房保海;刘萍
单  位：
山东农业大学植物保护学院
关键词：
烟草;烟草野火病菌;超氧化物歧化酶;过氧化物酶;过氧化氢酶;苯丙氨酸解氨酶;多酚氧化酶
摘  要：
定期测定了感病品种红花大金元接种烟草野火病菌后叶片内 5种酶活性的动态变化 ,研究结果表明 :烟草接种病菌后 ,SOD活性先上升 ,后在 8d下降 ,低于对照 ;POD活性接种后在 1d略低于对照 ,后上升较快 ,10d达到高峰 ,此后一直高于对照 ;PPO活性在接种后 1d低于对照 15 .8% ,但此后上升 ,16d达到高峰 ,18d下降低于对照 ;CAT活性变化与POD相似 ,接种 1d低于对照 ,但此后一直高于对照 ,并于 6d达到高峰 ,10d虽有所下降 ,但接着升高 ;PAL活性与CAT、POD变化相似 ,接种后 1d活性低于对照 2 8.3% ,其后上升 ,10d达到高峰 ,是对照的 2 .11倍 ,并维持较高的水平
译  名：
THE EFFCTS OF PSEUDOMONAS SYRINGAE PV. TABACI ON THE DEFENDANT ENZYMES IN TOBACCO CELLS
作  者：
KAN Guang-feng,ZHANG Guang-min *, FANG Bao-hai,LIU Ping (College of Plant Protection, Shandong Agricultural University, Taian 271018, China)
关键词：
tobacco; Pseudomonas syringae pv. tabaci ;superoxide dismutase;peroxidase;catalase;phenylalanine ammonia lyase;polyphemol oxidase
摘  要：
Tobacco plants (Var. Honghuadajinyuan) were inoculated with Pseudomonas syringae pv. tabaci ,and the changes of the defendant enzymes activity were detected regularly after inoculation.The activity of SOD ascended firstly,which was caused by the bacteria, but descended on the 8th day and became lower than that of the control after that day. The enzyme activity of POD was lower than that of the control on the first day following a quick ascent, and reached the summit on the 10th day. The activity of PPO was lower than that of the control at the first day after inoculation, but then ascended to the peak on the 16th day. The changes of CAT were similar to those of POD, and the changes of PAL were similar to those of CAT and POD.

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