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首页> 外文期刊>Annual Review of Phytopathology >Paving the Way to Tospovirus Infection: Multilined Interplays with Plant Innate Immunity
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Paving the Way to Tospovirus Infection: Multilined Interplays with Plant Innate Immunity

机译：铺平到Tosphovirus感染的方式：与植物天生免疫的多码相互作用

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摘要

Tospoviruses are among the most important plant pathogens and cause serious crop losses worldwide. Tospoviruses have evolved to smartly utilize the host cellular machinery to accomplish their life cycle. Plants mount two layers of defense to combat their invasion. The first one involves the activation of an antiviral RNA interference (RNAi) defense response. However, tospoviruses encode an RNA silencing suppressor that enables them to counteract antiviral RNAi. To further combat viral invasion, plants also employ intracellular innate immune receptors (e.g., Sw-5b and Tsw) to recognize different viral effectors (e.g., NSmand NSs). This leads to the triggering of a much more robust defense against tospoviruses called effector-triggered immunity (ETI). Tospoviruses have further evolved their effectors and can break Sw-5b-/Tsw-mediated resistance. The arms race between tospoviruses and both layers of innate immunity drives the coevolution of host defense and viral genes involved in counter defense. In this review, a state-of-the-art overview is presented on the tospoviral life cycle and the multilined interplays between tospoviruses and the distinct layers of defense.
机译：Tospoviruses是最重要的植物病原体之一，并在全世界造成严重的作物损失。 Tospoviruses已经演变为巧妙地利用寄主蜂窝机械来实现其生命周期。植物安装了两层防御以打击他们的入侵。第一个涉及激活抗病毒RNA干扰（RNAi）防御反应。然而，Tospoviruses编码RNA沉默抑制器，使它们能够抵消抗病毒RNAi。为了进一步打击病毒侵袭，植物还采用细胞内先天免疫受体（例如，SW-5B和TSW）来识别不同的病毒效应（例如，NSmand NSS）。这导致触发对患有效应触发的免疫（ETI）的Tosphovirus更强大的防御。 Tospoviruses进一步进化了它们的效果，可以破坏SW-5B- / TSW介导的抗性。 Tosphoviruses和两层天生免疫层之间的军备竞赛驱动了逆防归属宿主防御和病毒基因的参与。在本次审查中，在Toshoviral生命周期和Tospoviruses和独特的防御层之间提供了最先进的概述。

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