张璇,臧晓南,张学成,鹿宁

• 1:中国海洋大学海洋生命学院
• 2:海洋生物遗传育种教育部重点实验室

摘要(Abstract)：

对目前藻类逆境胁迫下信号传导途径的主要研究进展进行了综述:(1)钙信号系统,藻类通过细胞内Ca2+的变化产生钙信号,Ca2+与钙调素等钙信号受体结合,进而影响钙调素结合蛋白等靶蛋白的活性,从而调控基因表达和生理反应;(2)磷脂酰肌醇信号系统,磷脂酰肌醇在磷脂酶的作用下,水解产生第二信使IP3与DAG,它们可以进一步激活离子通道或蛋白激酶,调节藻类的各种生理反应过程;(3)蛋白质的可逆磷酸化,通过藻类中蛋白质的磷酸化和脱磷酸化,传递信号,并使信号级联放大;(4)蓝藻的二元信号传导系统,蓝藻既具有类似细菌的二元传导系统,又具有真核生物的Ser/Thr或Tyr蛋白质激酶来行使信号传导功能;(5)NO,cAMP等其他信号分子也参与藻类的信号传导途径。

关键词(KeyWords)： 藻类;逆境胁迫;信号传导途径;信号分子

Abstract:

Keywords:

基金项目(Foundation): 农业部公益性行业科研专项项目(200903030);; 高等学校博士学科点专项科研基金项目(新教师20070423011)资助

作者(Author): 张璇,臧晓南,张学成,鹿宁

DOI: 10.16441/j.cnki.hdxb.2012.s1.017

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