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Ectopic WUS expression in the CZ is sufficient to restore stem cell maintenance in bps1. WUS expression was under control of the CLV3 promoter, and activity was regulated by protein fusion with GR. A, Confocal images of SAM of mock-treated and DEX-treated seedlings, including nontransgenic controls, at 5 dpi. Bars = 50 µm. B, Quantitative analysis of the SAM from the experiment depicted in A. Error bars indicate sd (n = 20 for each genotype).
