Abstract:In most eukaryotes, RNA silencing is a key element in the regulation of gene expression and defense against pathogens. Plants have developed a defensive barrier against exogenous microorganisms, such as plant-infecting viruses, by specifically targeting and degrading the viral RNAs and thus limiting the negative effects of the diseases caused by them. On the other hand, plant viruses encode for suppressor proteins that repress the host-silencing machinery, hence allowing viral replication and infection establi… Show more
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