NuPAGE gels (Novex, Invitrogen, Carlsbad, CA, USA) at appropriate concentrations were used for proteins separation as described [40 (link),41 (link)]. Filters were probed with the following antibodies at reported dilution: mouse polyclonal anti-GLV-capsid protein_N-terminal (GLV-CP_NT) 1:2000; mouse polyclonal anti-GLV-capsid protein_C-terminal (GLV-CP_CT) 1:2000; mouse polyclonal anti-J17/10_B-ORF1 N-terminal (J_B-ORF1_NT) 1:2000; mouse anti-αTubulin (clone B-5-1-2, Sigma-Aldrich, Merck Life Science S.r.l., Milan, Italy), 1:10,000; rabbit polyclonal N14 (anti-g14-3-3) [40 (link)] 1:5000. Interaction was revealed by incubation with HRP-conjugated secondary Ab (Bio-Rad, Hercules, CA USA) at 1:2000–1:3000 dilution, followed by chemiluminescence (Millipore, Merck Life Science S.r.l., Milan, Italy).
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