Membrane Trafficking in Plant Immunity.

Membrane Trafficking in Plant Immunity.
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DOI:
10.1016/j.molp.2017.07.001
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发表时间:
2017-08-07
期刊:
影响因子:
27.5
通讯作者:
Dong X
Dong X
中科院分区:
生物学1区
文献类型:
--
作者:
Gu Y;Zavaliev R;Dong X

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植物采用复杂的机制与病原微生物以及有益微生物相互作用。其中,膜运输是建立快速和精确反应的关键。在与病原微生物相互作用时,表面定位的免疫受体经历内吞作用以进行信号转导和活性调节,而细胞壁组分、抗微生物化合物和防御蛋白通过极化分泌递送到病原体入侵位点。为了维持互惠关系,宿主细胞还重新编程膜运输系统,以适应共生微生物的入侵结构。在这里,我们提供了最新的进展,了解分泌和内吞膜运输途径在植物免疫激活的作用进行分析。我们还讨论了适应微生物操纵这些途径来破坏或抑制植物防御的策略。
Plants employ sophisticated mechanisms to interact with pathogenic as well as beneficial microbes. Of those, membrane trafficking is key in establishing the rapid and precise response. Upon interaction with pathogenic microbes, surface-localized immune receptors undergo endocytosis for signal transduction and activity regulation while cell wall components, antimicrobial compounds, and defense proteins are delivered to pathogen invasion sites through polarized secretion. To sustain mutualistic associations, host cells also reprogram the membrane trafficking system to accommodate invasive structures of symbiotic microbes. Here, we provide analysis of recent advances in understanding the roles of secretory and endocytic membrane trafficking pathways in the plant immune activation. We also discuss strategies deployed by adapted microbes to manipulate these pathways to subvert or inhibit plant defense.
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