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. 2017 Dec 22;69(3):385–397. doi: 10.1093/jxb/erx427

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© The Author(s) 2017. 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. — Tissue-specific expression patterns of OsPIN2. (A–M) GUS staining of transgenic plants harboring the OsPIN2p:GUS reporter gene. (A) Mature root region with lateral roots, (B) cross-section of the region where a lateral root emerges, (C) cross-section of the region where a lateral root primordium is initiated, (D) primary root tip, (E) longitudinal section of primary root tip (lower panel) and the elongation zone (upper panel), (F) cross-section of the elongation zone, (G) cross-sections of a root cap, (H) stem, (I) leaf, (J) stem base, and (K) panicle. Abbreviations: ep, epidermis; ex, exodermis; scl, sclerenchyma; co, cortex. Scale bars indicate 1 mm in (A, D, H–K), 100 µm in (B, C, E–G, M), 200 µm in (L). (N) Quantitative RT-PCR analysis of OsPIN2 mRNA levels in the leaf, stem, root, stem base (SB), and panicle. The primers used are listed in Supplementary Table S1.