植物盐胁迫的信号传导途径  

The Salt Stress Signal Transduction Pathway in Plants

作　　者：秘彩莉[1] 郭光艳[1] 齐志广[1] 沈银柱[1] 

机构地区：[1]河北师范大学生命科学学院,河北石家庄050016

出　　处：《河北师范大学学报（自然科学版）》2007年第3期375-380,共6页Journal of Hebei Normal University：Natural Science

基　　金：河北师范大学博士基金(L2005B22)

摘　　要：植物耐盐性研究具有重要意义.近年来,植物盐胁迫信号传导途径一直是植物耐盐性研究的热点.目前已阐明的盐胁迫信号传导途径有酵母和植物中的MAPK(mitogen-activated protein kinase)途径、拟南芥中缓解离子胁迫的SOS(salt overly sensitive)途径以及其他蛋白激酶参与的信号传导途径,其中包括钙依赖而钙调素不依赖的蛋白激酶、受体蛋白激酶、糖原合成酶的激酶和组蛋白激酶.因此,植物的耐盐性是个非常复杂的问题,可能是由多种信号分子参与的网络体系.大量转基因实验证明,信号传导途径中的某些组分可改善植物的耐盐性.因此,深入研究植物的盐胁迫信号传导是提高植物耐盐性的前提和基础.The study on salt tolerance in plants is very much importance. The salt stress signal transduction pathway has been the hot spot in the study of salt tolerance in plants in recent years. Several salt stress signal transduction pathway in plants have been elucidated such as the MAPK （mitogen-activated protein kinase） signal pathway in yeast and plants,the SOS （salt overly sensitive） pathway in Arabidopsis to alleviate ion stress and the signal pathway involved by other protein kinases including CDPK （calcium-dependent and calmodulin-independent protein kinase）, RPK （receptor like protein kinase）, GSK/shaggy （glycogen synthase kinase） and histidine kinase. Therefore, the salt stress in plants is a very complex network which consists of many kinds of signal molecules. Many transgenic experiments demonstrate that some components in the signaling transduction can improve salt stress in plants. It is the premise and basis of improving salt tolerance in plants to study the salt stress signal transduction pathway in plants deeply.

关 键 词：植物 盐胁迫 信号传导 

分 类 号：Q416[生物学—生理学]