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. 2014 Aug 5;15(1):650. doi: 10.1186/1471-2164-15-650

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© Syed and Korsching; 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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Evolutionary dynamic of vertebrate t2r and v1r gene repertoires. Species tree with the respective T2R (blue circle) and V1R/ORA (black circle) repertoires. Circle area is proportional to the size of the gene family. Values for Latimeria T2R and V1R families, this study; t2r gene family size for other species was taken from [11], teleost ORA and frog V1R family size from [10] and mouse V1R family size from [25].