To investigate the subcellular localization of PfbZIP85 protein, the recombinant fusion plasmid 35S::PfbZIP85::GFP (pCAMBIA1300-PfbZIP85/GFP) and the control plasmid 35S::GFP were transiently expressed in N. benthamiana leaf epidermal cells through Agrobacterium-mediated transformation [6 (link)]. After the tobacco plants were grown at 25 °C for more than 36 h, the transfected tobacco leaf samples were treated with DAPI reagent (Solarbio Life Sciences, Beijing, China), followed by observation of fluorescence signals utilizing a laser scanning confocal microscope (Leica TCS SP8).
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