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. 2014 Nov 19;14:285. doi: 10.1186/s12870-014-0285-4

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© Busch et al.; licensee BioMed Central Ltd. 2014

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 use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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qPCR of selected genes with a stronger expression in adaxial petals. Expression analysis via qPCR was carried out on adaxial and abaxial petals from two (A-C, replicate 3, replicate 4) and three (D–I, replicates 5–7) different biological replicates. (A) RALF-like 15, (B) RALF-like 19, (C) COB-like 10, (D) PETAL LOSS, (E) IaTCP1, (F) P-glycoprotein 13, (G) cytokinin oxidase 3, (H) Rcd1-like and (I) a contig with homology to a protein of unknown function (At5g42680). aBp, abaxial petal; aDp, adaxial petal.