Fig. 2From: Virulence factors and molecular characteristics of Shigella flexneri isolated from calves with diarrheaMLST clustering tree of S. flexneri isolates isolated from calves with diarrhea during 2014 to 2016. The 54 isolates were analyzed by 15-allele MLST as described in the Materials and Methods. The scale bar in the top corner of the figure represents the similarity of each strainBack to article page