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. 2016 Sep 15;143(18):3328–3339. doi: 10.1242/dev.136465

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© 2016. Published by The Company of Biologists Ltd

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.

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Fig. 2. — The effect of ROS on the LR phenotype of auxin mutants. (A) Effect of exogenous H₂O₂ on LR formation in Col-0 (control) and aux1 lax3 background. (B) Effect of exogenous H₂O₂ on LR formation in pCASP1:SHY2 (control) and in pCASP1:shy2-2 gain-of-function background. Five-day-old seedlings were exposed to H₂O₂ (1.5 mM) for 7 days. White arrowheads indicate the root tip region at the moment of transfer. Scale bars: 1 cm.