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. 2015 May 21;16(1):400. doi: 10.1186/s12864-015-1570-9

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© Leushkin et al.; licensee BioMed Central. 2015

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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Phylogenetic trees for P. spp. strains. (A) Distances calculated from synonymous sites. Numbers of pseudogenezied or deleted genes are depicted on each branch. (B) Distances calculated from non-synonymous sites. Strains extracted from permafrost are marked with (*). This topology was observed in all 1000 bootstrap iterations.