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. 2019 May 2;16:56. doi: 10.1186/s12985-019-1167-z

Fig. 1.

Fig. 1

Maximum likelihood (ML) phylogenetic tree constructed from complete PARV4-related genomic sequences. The ML phylogenetic tree was constructed using the complete PARV4-related genomic sequences from the seven P-PARV4 strains and eight O-PARV4 strains detected in this study (submitted to the GenBank nucleotide sequence database with accession numbers MG368906-MG368920) and 30 reference sequences obtained from the GenBank nucleotide sequence database. One thousand replications were performed to calculate bootstrap values (indicated on the tree). The strains identified in the phylogenetic tree are indicated by GenBank accession numbers and breeds and strains. The seven newly identified P-PARV4 strains and eight O-PARV4 strains described in the present study are indicated by “▲” and “●”, respectively. P-PARV4, O-PARV4 and B-PARV4 strains are shown in red, blue and green around the circumference of the figure, respectively