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Expression of ARF5/MP and ARF7/NPH4 in Arabidopsis inflorescence stems. (A) Stem cross-section showing MP::MP-GUS expression localized to vascular bundles. (B and C) Confocal images of lateral hand-sections of stems displaying ARF7::GFP expression in peripheral cell layers. GFP confocal images are overlayed on brightfield images. (C) Close-up of peripheral cell layers (epidermis on right) showing distribution of the nuclear-localized GFP reporter. Bars: (A and B) 100 μm; (C) 50 μm.
