title: Pathogenicity islands: bacterial evolution in quantum leaps.
authors.affiliation: Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri 63110, USA.
authors.forename: E A
authors.initials: EA
authors.lastname: Groisman
authors.forename: H
authors.initials: H
authors.lastname: Ochman
mesh_terms: D005075:Biological Evolution; D006090:Gram-Negative Bacteria / Q000472:pathogenicity*; D008967:Molecular Biology; D014774:Virulence