Studies of Bacterially Expressed dsRNAs Targeting PRSV HC-Pro Gene Inducing Resistance to PRSV RNA silencing—a new strategy for the control of virus diseases in plants RNA silencing movement in plants Gene Silencing in Planarian Identificaion of three amino acid sites from Potato virus A HC-Pro invovlved in suppression of RNA silencing The Movement Protein of Barley Yellow Dwarf Virus is a Suppressor of RNA Silencing Molecular Mechanism of Plant Defense against Virus Attack Transgenic Tobacco Plants Resistant to Two Viruses via RNA Silencing P0 of Potato Leafroll Virus Suppress RNA Silencing and Its Interaction with AGO Protein