SUN Xin,LIU Li-jun,XUE Yong-guo,et al.Changes of L-phenylalanin ammo-nialyase Activity in Soybean inoculated with Phytophthora sojae[J].Soybean Science,2008,27(04):641-644.[doi:10.11861/j.issn.1000-9841.2008.04.0641]
接种疫霉根腐菌对大豆苯丙氨酸解氨酶活性的影响
- Title:
- Changes of L-phenylalanin ammo-nialyase Activity in Soybean inoculated with Phytophthora sojae
- 文章编号:
- 1000-9841(2008)04-0641-04
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 大豆疫霉根腐病是一种危害严重的疫霉病害,对于抗病性的生理生化机制研究很少。苯丙氨酸解氨酶是联系初级代谢和次级代谢的关键酶,对于植物抗病性具有重要意义。为探讨苯丙氨酸解氨酶活性变化与大豆对疫霉根腐病抗性的关系,对不同抗、感病大豆品种接种疫霉根腐菌1号生理小种前及接种24、48、72、96 h后测定叶片中苯丙氨酸解氨酶活性的变化特点进行分析,探讨苯丙氨酸解氨酶在抗大豆疫霉根腐病中所起的作用。结果表明:接种大豆疫霉菌1号生理小种后,抗、感病品种叶肉细胞中苯丙氨酸解氨酶活性都呈现出规律性变化趋势,但在抗、感病大豆品种中峰值变化幅度不同,表明大豆对疫霉根腐病的抗性与苯丙氨酸解氨酶活性有关。
- Abstract:
- Soybean Phytophthora root rot is a serious Phytophthora disease.L-phenylalanin ammo-nialyase(PAL)as a key metabolic enzyme that linked the primary and secondary metabolism,is important to disease resistance of plant.To discuss the relationship between PAL activity and Phytophthora root rot resistance in soybean.Soybean cultivars resistant or sensitive to Phytophthora root rot were inoculated with Phytophthora sojae-race 1,and the PAL activity before inoculation and 24,48,72 and 96 h after inoculation was determined.The result showed that the PAL enzymatic activity changed regularly after being inoculated by Phytophthora sojae-race 1,while the changing ranges were different in resistant and sensitive soybean cultivars.Therefore,there is some relationship between the PAL activity and the resistance of soybean to Phytophthora root rot.
参考文献/References:
[1]李长松,路兴波,刘同金,等.大豆疫霉根腐病菌生理小种的鉴定及品种抗性筛选[J].中国油料作物学报,2001,23(2):60-62.(Li C S,Lu X B,Liu T J,et al.Identification of race of Phytopthora sojae and screening of soybean cultivar resistance[J].Chinese Journal of Oil Crop Sciences,2001,23(2):60-62)
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备注/Memo
基金项目:国家高技术研究发展计划“863”计划资助项目(2006AA10Z1F9)。