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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: J Exp Bot. 2016 May 30;67(14):4015–4037. doi: 10.1093/jxb/erw216

Figure 1. Polar auxin transport and PIN localization in the primary root tip.

Figure 1

Schematic representation of a longitudinal root section showing the different root tissues (left). The arrows represent putative auxin fluxes (left) as deduced from PIN protein localization (right). For clarity, PIN3 and PIN7 proteins have been omitted from the stele since their localization is redundant with that of PIN1.