Fig. 3
From: Association of Salmonella virulence factor alleles with intestinal and invasive serovars
Allelic frequencies for 70 studied virulence factors among 500 Salmonella. VFs are organized in six groups as labeled on the bottom of the graph (PhoPQ-regulated, “independent”, SPI1 and/or SPI2 effectors, adhesins/outer membrane proteins). Each VF has several alleles whose number of strains per allele are each represented by column heights, as labeled on the right axis. The most frequent to the least frequent allele (from allele 1 to > 20) are shown from the back to the front of the graph, each in a different color (as best visualized with the first VF, EptA, on the left)