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. 2014 Feb 24;14:35. doi: 10.1186/1471-2148-14-35

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Copyright © 2014 Atkinson 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 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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Cladogram showing presence and absence of elongation factors across eukaryotes. The tree summarizes current knowledge of the taxonomic grouping of the species considered here. Polytomies are present where branching order is unknown or contentious. Colored shading behind branches indicates major lineages, as per the color key in the top left. Circles show presence and absence of intact (opaque) or degraded (semi-transparent) elongation factors, with colors indicating factor identity according to the top left key.