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. 2017 Mar 4;12:15. doi: 10.1186/s13027-017-0125-x

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. 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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Fig. 4 — Phylogenetic tree showing reference HPVs from alpha-3 species and 13 HPV62 Mexican sequences based on E6/E7 genes. The evolutionary history was inferred by using the Maximum Likelihood method based on the Tamura-Nei model [37]. The tree is drawn to scale, with branch lengths measured in the number of substitutions per site. The analysis involved 18 nucleotide sequences. Evolutionary analyses were conducted in MEGA7 [38]. The GenBank accession number of each HPV genotype reference from alpha-3 species is included in parentheses