Constitutive OPL2-mCherry overexpression reduces ATSK32-GFP nuclear localization and induces its polarized plasma membrane (PM) localization. Single z sections of the root epidermal cells are shown (A–C, G, and H). Scale bars, 20 m in (A), 5 m in (B), (G), and (H), and 10 m (C). See alsoFigure S6.