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. 2017 Jun 16;4:92. doi: 10.3389/fvets.2017.00092

Figure 4.

Figure 4

Molecular phylogeny of the Thymidine kinase (TK) gene from various bovine herpesvirus 4 strains. The phylogeny of TK gene sequences (212 nucleotides in length) from 27 bovine gammaherpesvirus 4 (BoHV-4) strains (Table S2 in Supplementary Material) was determined using MrBayes programs. Numbers on branches correspond to posterior probabilities. Branch length is proportional to the number of nucleotides substitutions. The tree is unrooted. The arrow points to the BoHV-4-FMV strain. The reference strains Movar_33_63 and DN599 are in bold.