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. 2014 Jan 22;7:11. doi: 10.1186/1754-6834-7-11

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Copyright © 2014 Biswal et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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PtxtPL1-27 expression analysis in aspen. (A) Real time RT-PCR analysis of PtxtPL1-27 expression in different tissues and organs of hybrid aspen indicates the highest expression of this gene in developing xylem and organs containing this tissue. Data shown are means of two biological replicates ± standard error. (B) Expression of PtxtPL1-27 in different wood development zones isolated by tangential sectioning. The same amount of total RNA from each zone was blotted onto a membrane and hybridized with a radiolabeled probe corresponding to PtxtPL1-27 cDNA. Phl, phloem; a, vascular cambium; b, expansion zone; c, transition zone; d, secondary wall formation zone; e, cell death zone.