Gibberellin Localization and Transport in Plants Jenia Binenbaum, Roy Weinstain, Eilon Shani  Trends in Plant Science  Volume 23, Issue 5, Pages 410-421 (May 2018) DOI: 10.1016/j.tplants.2018.02.005 Copyright © 2018 The Authors Terms and Conditions

Figure 1 Gibberellins are Mobile Signaling Molecules in Plants. Illustration of a schematic plant (left) and gibberellin (GA) biosynthesis pathway (right). Arrows indicate documented long-distance movement of mobile GAs. The arrows are color-coded to correlate with GA forms shown in the biosynthetic pathway. Root-to-shoot and shoot-to-root movement of GA12 in Arabidopsis [45] and GA20 in Pisum sativum (blue) [36]. GA9 movement from the ovaries to the sepals and petals was shown in Cucumis sativus flowers (red) [11]. Movement of GA from leaves to stem was demonstrated in tobacco and Arabidopsis [38,39] and from stamens to petals in Arabidopsis [40] and Petunia [41] (black); in these cases, the exact form of mobile GA is not clear. Trends in Plant Science 2018 23, 410-421DOI: (10.1016/j.tplants.2018.02.005) Copyright © 2018 The Authors Terms and Conditions

Figure 2 Identified Gibberellin Transporters. Phylogenetic trees of known gibberellin (GA) transport protein; the NPF and SWEET families in Arabidopsis. Color-coded circles indicate GA transport activity. Heterologous systems include yeast and Xenopus oocytes [25,49,50,53,58]. The NPF and SWEET proteins also transport additional diverse substrates (reviewed in [66,69]). Trends in Plant Science 2018 23, 410-421DOI: (10.1016/j.tplants.2018.02.005) Copyright © 2018 The Authors Terms and Conditions