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Subcellular localization of PIN1–GFP in Col and fwr mutant seedling. (A–C) Subcellular localization of PIN1–GFP in the stele cells of the root tip (A), Stage I LR primordium (B) and Stage IV LR primordium (C). Scale bar in (A) = 10 µm. Scale bar in (B, C) = 50 µm.
