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Phylogenetic tree of PPR virus isolated based on the F gene. The alignments had been done by the Clustal W method. Comparison of the isolates with the reference strains from GenBank reveals that our isolates belonged to strains from Pakistan, China, and the strains that had been isolated previously in Iran. All four divergent clusters are shown on the tree.
▪ : Isolates of PPR virus in the present study.
● : Isolates of the PPR virus in the previous study had been done in Iran
