title: "A ce moment-là".
authors.affiliation: Department of Microbiology and Immunology, Life Science Institute, UBC, 2350 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada. Electronic address: jed@mail.ubc.ca.
authors.forename: Julian
authors.initials: J
authors.lastname: Davies
mesh_terms: D015964:Gene Expression Regulation, Bacterial; D005827:Genetics, Microbial / Q000266:history* / Q000639:trends; D049673:History, 20th Century; D008967:Molecular Biology / Q000266:history* / Q000639:trends; D009876:Operon
keywords: François Jacob; Lactose operon; R factor multidrug resistant strains; Xgal; lacI mutants; β-galactosidase