Microscopy from Scientific Research

Representative images (G) and quantified RH length (H) ofpEXP7::GFP/Col-0andpEXP7::ARF8/Col-0plants after 4 days of cultivation under HN or LN. n = 10 independent biological replicates for each genotype and respective N treatment. 7-day-old seedlings pre-cultured on 11.4 mM N were transferred to agar media containing either HN (11.4 mM) or LN (0.11 mM). Horizontal lines in box plots indicate medians, box limits the 25thand 75thpercentiles, and whiskers extend to 1.5 times the interquartile range from the 25thand 75thpercentiles. Different letters indicate significant differences at p < 0.01 according to one-way ANOVA and post hoc Tukey test. Scale bars, 500 μm. See alsoFigure S5andData S3.

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