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. 2014 May 31;15(1):412. doi: 10.1186/1471-2164-15-412

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

This article is published under license to BioMed Central Ltd. 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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Estimation of divergence time using the three codon position–specific datasets. The purple bars at the nodes indicate 95% posterior probability intervals. The geological time scale is in millions of years. The red dots correspond to the calibration time points listed in the Materials and Methods. Confirmed whole-genome triplication shared by Solanum and estimated at 71 (±19.4) MYA [2] is shown with annotated circles (‘T’), with dashed line indicating confidence interval. Paleoc, Paleocene; Plioc, Pliocene; Q, Quaternary.