Virus infections are the cause of numerous plant disease syndromes that are generally characterized by the induction of disease symptoms such as developmental abnormalities, chlorosis, and necrosis. How viruses induce these disease symptoms represents a long-standing question in plant pathology. Recent studies indicate that symptoms are derived from specific interactions between virus and host components. Many of these interactions have been found to contribute to the successful completion of the virus life-cycle, although the role of other interactions in the infection process is not yet known. However, all share the potential to disrupt host physiology. From this information we are beginning to decipher the progression of events that lead from specific virus-host interactions to the establishment of disease symptoms. This review highlights our progress in understanding the mechanisms through which virus-host interactions affect host physiology. The emerging picture is one of complexity involving the individual effects of multiple virus-host interactions.

中文翻译：

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病毒诱发的疾病：一次改变宿主生理，一次相互作用。

病毒感染是许多植物疾病综合症的病因，通常以诱发疾病症状为特征，例如发育异常，萎黄和坏死。病毒如何诱发这些疾病症状是植物病理学中一个长期存在的问题。最近的研究表明，症状源自病毒和宿主成分之间的特定相互作用。尽管尚不清楚其他相互作用在感染过程中的作用，但已发现其中许多相互作用都有助于病毒生命周期的成功完成。但是，所有人都有破坏宿主生理的潜力。从这些信息中，我们开始破译由特定的病毒-宿主相互作用导致疾病症状建立的事件的进程。这篇综述突出了我们在理解病毒-宿主相互作用影响宿主生理的机制方面的进展。出现的情况是复杂性之一，涉及多种病毒-宿主相互作用的个体影响。