title: The virB operon of the Agrobacterium tumefaciens virulence regulon has sequence similarities to B, C and D open reading frames downstream of the pertussis toxin-operon and to the DNA transfer-operons of broad-host-range conjugative plasmids.
authors.affiliation: Department of Plant Pathology, University of California, Davis 95616.
authors.forename: K
authors.initials: K
authors.lastname: Shirasu
authors.forename: C I
authors.initials: CI
authors.lastname: Kado
mesh_terms: D016960:Agrobacterium tumefaciens / Q000235:genetics* / Q000472:pathogenicity; D000595:Amino Acid Sequence; D001426:Bacterial Proteins / Q000235:genetics*; D003227:Conjugation, Genetic / Q000235:genetics; D008969:Molecular Sequence Data; D016366:Open Reading Frames; D009876:Operon; D037342:Pertussis Toxin; D010957:Plasmids; D017386:Sequence Homology, Amino Acid; D014774:Virulence / Q000235:genetics; D037521:Virulence Factors; D010566:Virulence Factors, Bordetella / Q000235:genetics*
chemical_list: D001426:Bacterial Proteins; D037521:Virulence Factors; D010566:Virulence Factors, Bordetella; D037342:Pertussis Toxin