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Protein phosphorylation in the delivery of and response to auxin signals 总被引:10,自引:0,他引:10
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植物SUMO化修饰及其生物学功能 总被引:2,自引:0,他引:2
SUMO化修饰是细胞内蛋白质功能调节的重要方式之一。植物中的SUMO化修饰途径由SUMO分子和SUMO化酶系组成。SUMO化修饰是一个可逆的动态过程。SUMO前体蛋白在SUMO特异性蛋白酶的作用下成熟,随后通过SUMO活化酶、SUMO结合酶和SUMO连接酶将靶蛋白SUMO化,最后SUMO特异性蛋白酶将SUMO与靶蛋白分离,重新进入SUMO化循环。初步研究表明,植物SUMO化修饰参与植物花期调控、激素信号转导、抗病防御以及逆境应答等生理过程。 相似文献
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BWMK1, a rice mitogen-activated protein kinase,locates in the nucleus and mediates pathogenesis-related gene expression by activation of a transcription factor 总被引:30,自引:0,他引:30
Cheong YH Moon BC Kim JK Kim CY Kim MC Kim IH Park CY Kim JC Park BO Koo SC Yoon HW Chung WS Lim CO Lee SY Cho MJ 《Plant physiology》2003,132(4):1961-1972
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Signal transmission in the plant immune response 总被引:14,自引:0,他引:14
Genetic and biochemical dissection of signaling pathways regulating plant pathogen defense has revealed remarkable similarities with the innate immune system of mammals and Drosophila. Numerous plant proteins resembling eukaryotic receptors have been implicated in the perception of pathogen-derived signal molecules. Receptor-mediated changes in levels of free calcium in the cytoplasm and production of reactive oxygen species and nitric oxide constitute early events generally observed in plant-pathogen interactions. Positive and negative regulation of plant pathogen defense responses has been attributed to mitogen-activated protein kinase cascades. In addition, salicylic acid, jasmonic acid and ethylene are components of signaling networks that provide the molecular basis for specificity of plant defense responses. This article reviews recent advances in our understanding of early signaling events involved in the establishment of plant disease resistance. 相似文献