title: Genetic transfer of the Vi antigen from Salmonella typhosa to Escherichia coli.
abstract: The Vi antigen was expressed in a strain of Escherichia coli after transfer of the viaB locus from a Salmonella typhosa Hfr donor.
mesh_terms: D000941:Antigens; D003227:Conjugation, Genetic; D004926:Escherichia coli; D012485:Salmonella typhi
chemical_list: D000941:Antigens