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. 2019 Jan 14;70(4):1255–1265. doi: 10.1093/jxb/erz005

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© The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3. — Auxin response reporter and auxin transporter localization in etiolated hypocotyls of exocyst mutants. (A) Activity of the DR5::GUS auxin response reporter in a 5-day-old etiolated TC exo70A1 seedling and a WT control. Note the accumulation of the GUS signal in the stele of the ectopic collet-like region. Black arrows, collet hairs; red arrows, ectopic collet hair-like structures. (B) Quantitative comparison of GUS signal intensity in etiolated hypocotyls of WT and exo70A1 seedlings. The difference between the two genotypes is highly significant for DR5::GUS (Wilcoxon test P<0.005, n=6). (C) Localization of PIN3–GFP in the middle and lower part of the hypocotyl in TC exo70A1, sec15b, and WT seedlings. The lower row corresponds to the ectopic collet-like region in mutants. White arrow, stele.