title: An oxygen enhancement ratio in an Escherichia coli strain lacking both the iron and manganese superoxide dismutases.
abstract: A mutant of Escherichia coli lacking both the iron and manganese superoxide dismutases, shows an oxygen effect and therefore the oxygen effect is not dependent directly upon the superoxide radical.
authors.affiliation: Webb-Waring Lung Institute and the Department of Biochemistry, School of Medicine, University of Colorado Health Sciences Center, Denver 80262.
authors.forename: M L
authors.initials: ML
authors.lastname: Morse
authors.forename: D
authors.initials: D
authors.lastname: Touati
authors.forename: D S
authors.initials: DS
authors.lastname: Smith
mesh_terms: D002872:Chromosome Deletion; D004926:Escherichia coli / Q000235:genetics* / Q000254:growth & development / Q000528:radiation effects; D005796:Genes; D005798:Genes, Bacterial; D007527:Isoenzymes / Q000235:genetics*; D009154:Mutation; D010100:Oxygen / Q000633:toxicity*; D013482:Superoxide Dismutase / Q000235:genetics*; D013481:Superoxides / Q000378:metabolism
chemical_list: D007527:Isoenzymes; D013481:Superoxides; D013482:Superoxide Dismutase; D010100:Oxygen