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Cytoplasmic localization of PCA22. Five-day-old transgenic plants grown on half-strength MS agar medium were analyzed for GFP expression by confocal microscopy. The PCA22–GFP signal was mainly observed in the cytoplasm of the root cells. GFP, green fluorescent protein; B/W, black and white. Scale bars=100 μm. (This figure is available in colour at JXB online.)
