
Legionella genetic diversity. Red and black denote the presence and absence of genes, respectively. Dendrogram shows estimates of genomic relationships as obtained by hierarchical cluster analysis. Blue lines indicate lineages I, II, III, and IV, and non-pneumophila strains. (A) Virulence genes; (B) Lvh region; (C) Plasmid of strain Paris (pLpp); (D) plasmid of strain Lens (pLpl); (E) 65-kb PAI described in strain Philadelphia-1.











