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A safe ride in extracellular vesicles - small RNA trafficking between plant hosts and pathogens.
Current Opinion in Plant Biology ( IF 9.5 ) Pub Date : 2019-10-23 , DOI: 10.1016/j.pbi.2019.09.001
Qiang Cai 1 , Baoye He 1 , Hailing Jin 1
Affiliation  

Communication between plants and pathogens requires the transport of regulatory molecules across cellular boundaries, which is essential for host defense and pathogen virulence. Previous research has largely focused on protein transport, but, which other molecules function in communication, and how they are transported remains under explored. Recent studies discovered that small RNAs (sRNAs) are transported between plants and pathogens, which can silence target genes in the interacting organisms and regulate host immunity and pathogen infection, a mechanism called 'cross-kingdom RNA interference (RNAi)'. Further studies indicate that plant extracellular vesicles (EVs) are essential for sRNA trafficking and host-pathogen communication. This review will focus on the latest advances in our understanding of plant EVs and their roles in transporting regulatory molecules, especially sRNAs, between hosts and pathogens.

中文翻译:

在细胞外囊泡中安全行驶-植物宿主和病原体之间的小RNA转运。

植物与病原体之间的交流需要跨细胞边界转运调节分子,这对于宿主防御和病原体毒力至关重要。先前的研究主要集中在蛋白质运输上,但是,其他哪些分子在交流中发挥功能以及如何运输则仍在探索中。最近的研究发现,小RNA(sRNA)在植物和病原体之间运输,这可以使相互作用生物中的靶基因沉默,调节宿主免疫力和病原体感染,这种机制称为“跨国界RNA干扰(RNAi)”。进一步的研究表明,植物细胞外囊泡(EVs)对于sRNA转运和宿主-病原体交流至关重要。
更新日期:2019-10-23
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