title: Influence of UV-light and chloramphenicol on super-repressed and de-repressed col Ib mutants.
mesh_terms: D002701:Chloramphenicol / Q000494:pharmacology*; D002876:Chromosomes, Bacterial; D003087:Colicins / Q000096:biosynthesis*; D004926:Escherichia coli / Q000187:drug effects / Q000378:metabolism* / Q000528:radiation effects; D005111:Extrachromosomal Inheritance; D005809:Genes, Regulator; D009154:Mutation / Q000187:drug effects / Q000528:radiation effects; D011830:Radiation Effects; D014466:Ultraviolet Rays
chemical_list: D003087:Colicins; D002701:Chloramphenicol