At knifepoint: Appressoria-dependent turgor pressure of filamentous plant pathogens

IF 8.3 2区 生物学 Q1 PLANT SCIENCES
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引用次数: 0

Abstract

Filamentous pathogens need to overcome plant barriers for successful infection. To this end, special structures, most commonly appressoria, are used for penetration. In differentiated appressoria, the generation of high turgor pressure is mandatory to breach plant cell wall and cuticle. However, quantitative description of turgor pressure and resulting invasive forces are only described for a handful of plant pathogens. Recent advances in methodology allowed determination of surprisingly high pressures and corresponding forces in oomycetes and a necrotrophic fungus. Here, we describe turgor generation in appressoria as essential function for host penetration. We summarize the known experimentally determined turgor pressure as well as invasive forces and discuss their universal role in plant pathogen infection.

在刀尖上丝状植物病原体依赖外植体的张力压力
丝状病原体需要克服植物障碍才能成功感染。为此,病原体需要利用特殊结构(最常见的是附着体)进行穿透。在分化的附着体中,必须产生较高的抗压强度才能突破植物细胞壁和角质层。然而,只有少数几种植物病原体对睾酮压力和由此产生的侵袭力进行了定量描述。最近方法学的进步使得我们能够测定卵菌和一种坏死性真菌令人惊讶的高压力和相应的侵袭力。在这里,我们描述了作为宿主穿透的基本功能,在附着体中产生的张力。我们总结了已知的实验测定的变压和侵染力,并讨论了它们在植物病原体感染中的普遍作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Current opinion in plant biology
Current opinion in plant biology 生物-植物科学
CiteScore
16.30
自引率
3.20%
发文量
131
审稿时长
6-12 weeks
期刊介绍: Current Opinion in Plant Biology builds on Elsevier's reputation for excellence in scientific publishing and long-standing commitment to communicating high quality reproducible research. It is part of the Current Opinion and Research (CO+RE) suite of journals. All CO+RE journals leverage the Current Opinion legacy - of editorial excellence, high-impact, and global reach - to ensure they are a widely read resource that is integral to scientists' workflow.
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