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首页> 外文期刊>Trends in Plant Science >Cell polarization, a crucial process in fungal defence [Review]
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Cell polarization, a crucial process in fungal defence [Review]

机译：细胞极化，是真菌防御中的关键过程[综述]

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摘要

Plant cells responding to fungal attack undergo large morphological alterations, along with rapid and extensive metabolic reprogramming. Cytological analysis of single infected plant cells revealed a large complexity of interdependent, rapid and dynamic changes of a multitude of cellular components. Among these changes are major rearrangements of the cytoskeleton, translocation of cytoplasm and of the cell nucleus to the fungal penetration site, and local apposition of barrier material around this site, which results in massive cell-wall reinforcement. If this first line of defence is overcome by the pathogen, in many cases, it is followed by hypersensitive plant cell death, which stops growth of the penetrating fungus and finally leads to its death. The speed and magnitude of the initial defence response appear to be crucial to plant disease resistance.
机译：响应真菌侵袭的植物细胞会发生巨大的形态变化，并伴随着快速而广泛的代谢重编程。对单个受感染植物细胞的细胞学分析表明，许多细胞成分相互依赖，快速和动态变化非常复杂。这些变化包括细胞骨架的重大重排，细胞质和细胞核向真菌穿透位点的易位以及该位点周围的屏障材料的局部沉积，这导致大量的细胞壁增强。如果病原体克服了这一第一道防线，那么在许多情况下，它就会导致植物细胞超敏性死亡，从而阻止穿透性真菌的生长并最终导致其死亡。初始防御反应的速度和强度似乎对植物抗病性至关重要。

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