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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

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【作者】 吴能表何凤杨丽萍肖文娟

【Author】 WU Neng-biao~1,HEFeng~1,YANG Li-ping~2,XIAO Wen-juan~11. School of Life Science, Southwest China Normal University, Chongqing 400715, China;2. Dunhuang Middle School of Gansu Province, Dunhuang Gansu 736200, China

【机构】 西南师范大学生命科学学院甘肃省敦煌市敦煌中学西南师范大学生命科学学院 重庆400715重庆400715甘肃敦煌736200重庆400715

【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.

【Abstract】 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; Ca2+, Mn2+, Mg2+ 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
【Key words】 Raphanus sativussalt stressstress indexprotein kinase
【基金】 国家自然科学基金资助项目(39970516;30170646).
  • 【文献出处】 西南师范大学学报(自然科学版) ,Journal of Southwest China Normal University(Natural Science) , 编辑部邮箱 ,2004年04期
  • 【分类号】S631.1
  • 【被引频次】31
  • 【下载频次】343
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