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中国农学通报 ›› 2007, Vol. 23 ›› Issue (5): 309-309.

所属专题: 生物技术 烟草种植与生产

• 植物保护 农药 • 上一篇    下一篇

烟草抗病性与防御酶活性间的关系研究进展

宋瑞芳,丁永乐,宫长荣,徐光辉,韩晓哲   

  • 出版日期:2007-05-05 发布日期:2007-05-05

Research Advances in Relationship Between Tobacco Resistance and Protective Enzymes Activity

Song Ruifang, Ding Yongle, Gong Changrong, Xu Guanghui, Han Xiaozhe   

  • Online:2007-05-05 Published:2007-05-05

摘要: 烟草病害是制约烟草生产的难题,研究烟草的抗病性和选育抗病品种是解决这一难题的有效途径。植物的抗病性是一个复杂的过程,其中一些相关酶类起着很重要的调控作用,如超氧化物歧化酶(superoxide dismutase, SOD),过氧化氢酶(catalase, CAT),过氧化物酶(peroxidase, POD),抗坏血酸过氧化物酶(ascorbate peroxidease,APX),多酚氧化酶(polyphenoloxidas, PPO)和苯丙氨酸解氨酶(phenylalanine ammonialyas, PAL)等。烟草病害发生的严重程度与这些酶活性的变化有着密切的关系。由于在测定酶活性的过程中存在人为因素等限制条件,到目前为止还没有得出这些防御酶活性可以作为烟草抗病性签定指标的定论。为了进一步明确烟草与病原物互作中防御酶活性的变化,综述了烟草抗病性与活性氧清除酶类(SOD、CAT、POD、APX)和次生代谢有关酶类(PPO、PAL)间的关系,还对当前烟草感病后有关防御酶活性变化研究的前景进行了分析展望。

关键词: 果园, 果园, 生草, 土壤, 环境, 竞争

Abstract: Tobacco disease was a limit condition in tobacco production.The research of tobacco resistance and resistant breeding was efficient approach to solve the problem. Plant resistance is a complex process,some correlated enzymes, including superoxide dismutase(SOD), catalase(CAT), peroxidase(POD), ascorbate peroxidease(APX), phenylalanine ammonialyas (PAL), polyphenoloxidas(PPO) and so on, play a very important regulatable role, The correlations between aggravation of diseases and enzymes activity were significant. Owing to the conditions, such as man-made factor in the process of mensurating enzymes activity, there have been not a rule by now, which can describe the changs of enzymes activity can be used as indentificantion indes on tobacco disease exactly. In order to definitude the productive enzymes activity in the interaction between tobacco and pathogens, The changes of scavenging enzymes activity in tobacco after infection, and the enzymes activity related to secondary metabblism, and the correlations between these changes and tobacco resistance were reviewed. The research prospects in this area were also discussed.

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