title: Construction of defined F1 negative mutants of virulent Yersinia pestis.
authors.affiliation: Bacteriology Division, US Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD 21702-5011, USA.
authors.forename: P L
authors.initials: PL
authors.lastname: Worsham
authors.forename: M P
authors.initials: MP
authors.lastname: Stein
authors.forename: S L
authors.initials: SL
authors.lastname: Welkos
mesh_terms: D000818:Animals; D000942:Antigens, Bacterial / Q000235:genetics; D001426:Bacterial Proteins / Q000235:genetics*; D005260:Female; D005798:Genes, Bacterial; D006801:Humans; D051379:Mice; D016297:Mutagenesis, Site-Directed; D009154:Mutation; D010930:Plague / Q000209:etiology / Q000276:immunology; D010931:Plague Vaccine / Q000276:immunology; D010957:Plasmids; D014774:Virulence / Q000235:genetics / Q000276:immunology; D015010:Yersinia pestis / Q000235:genetics* / Q000276:immunology / Q000472:pathogenicity
chemical_list: D000942:Antigens, Bacterial; D001426:Bacterial Proteins; D010931:Plague Vaccine; C086725:caf1 protein, Yersinia pestis