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. 2016 Aug 25;7:1255. doi: 10.3389/fpls.2016.01255

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Copyright © 2016 Mudgil, Karve, Teixeira, Jiang, Tunc-Ozdemir and Jones.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Glucose-induced auxin maxima in agb1-2 mutant roots. DR5::GUS is a synthetic, auxin-inducible gene promoter reporter used to detect auxin maxima or auxin signaling. (A–C) Wild type and agb1-2 (D–F) seedlings were treated with 2% glucose (gluc) for 4 h (A,C,D,F) and compared to the untreated controls (B,E). Arrows point to the root tip. Compared to wild type, glucose did not increase DR5-driven expression of GUS in the agb1-2 root tips (cf. B,C; lower panels to E,F; lower panels) and lateral root primordial (cf. B,C; middle panels to E,F; middle panels), although DR5::GUS expression occurred in emergent lateral roots (cf. B,C; upper panels to E,F; upper panels).