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. 2023 Jan 19;10:1026296. doi: 10.3389/fvets.2023.1026296

Figure 5.

Figure 5

Phylogenetic analysis of NDV genotype VI, VII, and XXI class II isolates based on the complete fusion gene sequences constructed with the maximum likelihood method with 1,000 bootstrap replicates. The analysis involved 71 nucleotide sequences (a sequence from genotype XVI JX915243/chicken/Mexico/Queretaro/452/1947 was included as an outgroup). All positions containing gaps and missing data were eliminated. There were a total of 1,660 positions in the final data set. The isolates used in this study are shown in blue (genotype VI), purple (genotype VII), and brown (genotype XXI). The Roman numerals on the right of the phylogenetic tree represent the respective sub-genotype for each isolate in accordance with the current classification (5) and the former nomenclature (58) is listed in parenthesis for reference.