水杨酸对拟南芥防卫反应酶系的诱导

doi:10.3321/j.issn:1000-7091.2005.01.018

华北农学报 ›› 2005, Vol. 20 ›› Issue (1): 75-77. doi: 10.3321/j.issn:1000-7091.2005.01.018

水杨酸对拟南芥防卫反应酶系的诱导

曾群¹, 陈慧勤¹, 赵淑清¹, 赵占军²

1. 山西大学生物技术研究所, 化学生物学与分子工程教育部重点实验室, 山西, 太原, 030006;
2. 山西省农业科学院食用菌研究所, 山西, 太原, 030006

收稿日期:2004-05-28 出版日期:2005-02-28
通讯作者: 赵淑清
作者简介:曾群(1969-),女,山西太原人,硕士,主要从事分子植物病理学研究工作。
基金资助:
国家自然科学基金(30000112)山西省青年科技研究基金(20001037)山西省教育厅高校科技研究开发基金(2005)资助

Induction of Several Defense Response Enzymes in Arabidopsis Seedlings by Salicylic Acid

ZENG Qun¹, CHEN Hui-qin¹, ZHAO Shu-qing¹, ZHAO Zhan-jun²

1. Laboratory of Biotechnology, Shanxi University, Taiyuan 030006, China;
2. Institute of Edible Fungi, Shanxi Academy of Agricultural Sciences, Taiyuan 030006, China

Received:2004-05-28 Published:2005-02-28

摘要/Abstract

摘要： 系统研究了水杨酸对拟南芥苯丙氨酸解氨酶、过氧化物酶、多酚氧化酶和脂氧合酶活性的影响。用10 µg/ mL SA喷雾处理生长28 d的拟南芥植株,结果发现,经SA处理后,拟南芥叶片中PAL,POD,PPO和LOX活性都迅速增强,PAL活性在处理后12 h达到高峰,较高的PAL活性可维持到48 h。POD,PPO和LOX活性在SA处理后48 h达到高峰,而在24-96 h内都可保持较高的POD和PPO活性。这些生理指标的变化与SA诱导拟南芥植物的抗病性相吻合。

关键词: 水杨酸, 拟南芥, 防卫酶系, 诱导

Abstract: The influence of SA on defense enzymes ( PAL,POD, PPO and LOX) activities was studied in Arabidopsis thaliana seedlings. The result showed that the activities of PAL,POD, PPO and LOX in the leaf were increased rapidly after treatment of Arabidopsis seedlings with 10 µg/mL SA. The time to reach the highest level of PAL activity was at 12 h after SA treatment,and higher level of PAL activity could maintain from 12hto48h.POD, PPO and LOX activity could reach their peaks at 48 h after SA treatment,and higher level of POD and PPO activities could maintain within 24-96 h,The change of these physiology indexes was consistent with SA induced plant disease resistance.

Key words: Arabidopsis, Salicylic acid, Defense enzymes, Induction

中图分类号:

S567.1

曾群, 陈慧勤, 赵淑清, 赵占军. 水杨酸对拟南芥防卫反应酶系的诱导[J]. 华北农学报, 2005, 20(1): 75-77. doi: 10.3321/j.issn:1000-7091.2005.01.018.

ZENG Qun, CHEN Hui-qin, ZHAO Shu-qing, ZHAO Zhan-jun. Induction of Several Defense Response Enzymes in Arabidopsis Seedlings by Salicylic Acid[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2005, 20(1): 75-77. doi: 10.3321/j.issn:1000-7091.2005.01.018.

http://www.hbnxb.net/CN/Y2005/V20/I1/75

参考文献

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水杨酸对拟南芥防卫反应酶系的诱导

Induction of Several Defense Response Enzymes in Arabidopsis Seedlings by Salicylic Acid

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