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首页> 外文期刊>Plant signaling & behavior >Calcium signaling in pathogenic and beneficial plant microbe interactions: what can we learn from the interaction between Piriformospora indica and Arabidopsis thaliana. [Review] [54 refs]
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Calcium signaling in pathogenic and beneficial plant microbe interactions: what can we learn from the interaction between Piriformospora indica and Arabidopsis thaliana. [Review] [54 refs]

机译：病原性和有益植物微生物相互作用中的钙信号传导：我们可以从印度梨形孢子虫和拟南芥之间的相互作用中了解到什么。 [评论] [54个参考]

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摘要

Elevation of intracellular calcium levels in a plant cell is an early signaling event in many mutualistic and pathogenic plant/microbe interactions. In pathogenic plant/fungus interactions, receptor-mediated cytoplasmic calcium elevations induce defense genes via the activation of ion fluxes at the plasma membrane, an oxidative burst and MAPK activation. Mycorrhizal and beneficial endophytic plant/fungus interactions result in a better plant performance through sequencial cytoplasmic and nuclear calcium elevations. The specificity of the calcium responses depends on the calcium signature, its amplitude, duration, frequency and location, a selective activation of calcium channels in the diverse cellular membranes and the stimulation of calcium-dependent signaling components. Arabidopsis contains more than 100 genes for calcium-binding proteins and channels and the response to pathogens and beneficial fungi relies on a highly specific activation of individual members of these protein families. Genetic tools are required to understand this complex response patterns and the cross talks between the individual calcium-dependent signaling pathways. The beneficial interaction of Arabidopsis with the growth-promoting endophyte Piriformospora indica provides a nice model system to unravel signaling events leading to mutualistic or pathogenic plant/fungus interactions. [References: 54]
机译：植物细胞中细胞内钙水平的升高是许多相互关系和病原性植物/微生物相互作用中的早期信号事件。在致病性植物/真菌相互作用中，受体介导的细胞质钙升高通过质膜离子通量的激活，氧化爆发和MAPK激活来诱导防御基因。菌根和有益的内生植物/真菌相互作用通过顺序的胞质和核钙升高而导致更好的植物性能。钙反应的特异性取决于钙特征，其幅度，持续时间，频率和位置，多种细胞膜中钙通道的选择性激活以及钙依赖性信号传导成分的刺激。拟南芥包含钙结合蛋白和通道的100多个基因，对病原体和有益真菌的反应依赖于这些蛋白家族中各个成员的高度特异性激活。需要遗传工具来理解这种复杂的反应模式以及各个钙依赖性信号传导途径之间的串扰。拟南芥与促进生长的内生植物Piriformospora indica的有益相互作用提供了一个很好的模型系统，可以揭示导致相互或病原性植物/真菌相互作用的信号事件。 [参考：54]

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