Fig. 2.

Cell wall perturbation in diverse cell types can lead to similar organ-level responses. (A) Quantification of the vertical growth index (distance from hypocotyl junction to tip of the root divided by root length) in Col-0, PMEIox and inducible tissue-specific expression lines in the absence and presence of 30 µM dexamethasone (DEX). (B-E) Induction of PMEIox trans-activation in hair cells (B), epidermal cells (C), ubiquitously (D) and in meristematic cortex cells (E) leads to root waving. Plants were germinated and grown on plates containing 30 μM DEX or an equal volume of DMSO for 5 days. Scale bars: 1 cm. *P<0.05, ***P<0.001 (Mann–Whitney U-test). n.s., not significant. Boxes indicate median, upper and lower quartile, whiskers indicate minimum and maximum except outliers beyond 1.5× interquartile range, which are indicated as blue circles. Cross indicates mean. Individual data points (n=20) are shown to the right of the box diagrams.