NaCl对萝卜幼苗逆境指标及蛋白激酶活性的影响  

Effect of NaCl on the Stress Indexes and on the Activity of Protein Kinase in Raphanus sativus

作　　者：吴能表[1] 何凤[1] 杨丽萍 肖文娟[1] 

机构地区：[1]西南师范大学生命科学学院,重庆400715 [2]甘肃省敦煌市敦煌中学,甘肃敦煌736200

出　　处：《西南师范大学学报（自然科学版）》2004年第4期651-654,共4页Journal of Southwest China Normal University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(39970516;30170646).

摘　　要：研究了NaCl对萝卜(Raphanussativus)幼苗叶片内SOD,POD,CAT活性,Vc、脯氨酸、可溶性糖、蛋白质含量和蛋白激酶活性的影响以及激酶活性与部分金属离子的关系.结果表明,0 5%的NaCl能使萝卜体内SOD,POD,CAT活性,Vc、蛋白质含量以及生物量降低.与此同时,提高体内脯氨酸、可溶性糖,促进蛋白激酶活性增加,反应体系的Ca2+,Mn2+,Mg2+对蛋白激酶活性的发挥有显著影响.Effects of NaCl on the activities of SOD, POD, CAT, protein kinase, the contents of Vc, proline, soluble sugar, soluble protein, etc., and the relationship between metal ions and the activity of protein kinase in Raphanus sativus were studied. It showed that the activities of SOD, POD, CAT and protein kinase, the contents of Vc and soluble protein of Raphanus sativus treated by 0.5% NaCl reduced. On the other hand, the content of proline, soluble sugar and the activity of protein kinase enhanced; Ca^(2+), Mn^(2+), Mg^(2+) had an significant effect on the activity of protein kinase.

关 键 词：萝卜 盐胁迫 逆境指标 蛋白激酶 

分 类 号：Q946[生物学—植物学]