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Root cap phenotypes of docs1 mutants stained with propidium iodide and imaged with a mutiphotonic microscope. a Longitudinal view of 3 days old radicle root tips. Tip of the docs1 root cap seems shorter than control. Arrows point to lateral root cap cells which did not detach from other cells. b docs1 embryo root caps are bent and shifted from the the root central radial axis. Bars 50 μm
