A Revised Classification of Vesicular Stomatitis Virus (VSV) Genotypes and Subtypes

Figures

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  Figure 1. Cladogram tree and pairwise identity matrix of the VSV complete genomes. (A) Phylogenetic analysis of 119 complete VSV genomes. Six clusters into the group NJ-1B were condensed to reduce the size of the cladogram. (B) Pairwise identity matrix. Values below the diagonal in light pink highlight are the identity scores between groups; within-group estimates are shown along the diagonal in yellow highlight, with “N/A” denoting values that cannot be calculated because only one sequence is present in the group, and standard deviations are displayed above the diagonal.

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  Figure 2. Analysis of 120 phosphoprotein (P) gene sequences derived from the complete genomes shown in Figure 1. Panel (A) shows the topology of the VSV sequences distributed by groups. Rectangles highlight the main conflicts between the phosphoprotein gene and whole-genome phylogenies. Panel (B) shows the matrix of the pairwise identity scores. Values below the diagonal in light pink highlight are the identity scores between groups; within-group estimates are shown along the diagonal in yellow highlight, with “N/A” denoting values that cannot be calculated because only one sequence is present in the group, and standard deviations are displayed above the diagonal.

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  Figure 3. Pairwise identity matrix of 120 phosphoprotein gene sequences under the revised classification system. Values below the diagonal in light pink highlight are the identity scores between groups; within-group estimates are shown along the diagonal in yellow highlight, “N/A” denotes values that cannot be calculated because only one sequence is present in the group, and standard deviations are displayed above the diagonal.

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  Figure 4. Validation of the revised VSV classification using an expanded dataset of 307 phosphoprotein sequences. (A) Phylogenetic tree based on 307 sequences; for clarity, nodes containing more than 10 sequences have been condensed. (B) Pairwise identity matrix organized according to the proposed VSV classification for the 307 phosphoprotein sequences. Values below the diagonal in light pink highlight are the identity scores between groups; within-group estimates are shown along the diagonal in yellow highlight.