FIG 5.

P22-like prophage φSPU1. (A) Genome map of prophage φSPU1. From the outside in, circle 1 shows sizes in kilobase pairs. Circle 2 shows the locations of genes, with the arrow indicating transcribed direction. The gene modules are color-coded according to their functions as follows: lysogeny, coral; transcriptional regulation, yellow; DNA replication, green; lysis, orange; morphogenesis and packaging, blue; LPS binding and modification, pink; unknown, gray. The putative virulence factor pipB3 is colored red, and the black box at the top indicates the putative att sites. Circle 3 and circle 4 show GC content and GC skew, respectively. (B) Phylogeny of prophage φSPU1. The peripheral color strip corresponds to the lineages of the strains as follows: I, red; I, orange; III, blue; ST104 from Salmonella Typhimurium, purple. Colored clades in the phylogeny indicate two putative origins.