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The ML phylogenetic trees (collapsed) of the phylogroups/groups/strains of the non-recombinant (n-rec) ORFs of five potyviruses. The number of ORF sequences for each grouping (N), their average pairwise nt diversity (π), and, for each, the ratio of nonsynonymous nt diversity to synonymous nt diversity ω (dN/dS), and the statistical significance of Tajima’s D coefficient for the group.
