Fig. 3

Examples from enteric bacteria. a Phylogenetic tree of 11 enteric species. Symbols indicate the branches of insertion of GIs in b–d. The images in b–d were made by outputting xenoGI islands and then displaying in the IGB genome browser. Note that the scale for the three is not exactly the same. In the figures, different islands are given different colors. All islands with an mrca at or before the point where C. rodentium diverges are colored black. b Salmonella pathogenicity island 2 shown in three Salmonella species. c The acid fitness island as reconstructed by xenoGI in two E. coli species and E. albertii. d The island around gadB in our four Escherichia species