title: Selection for loss of tetracycline resistance by Escherichia coli.
abstract: An improved medium for the direct, positive selection of tetracycline-sensitive clones from a population of tetracycline-resistant strains of Escherichia coli is described.
mesh_terms: D003470:Culture Media; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects / Q000235:genetics*; D011815:R Factors; D012641:Selection, Genetic; D013752:Tetracycline / Q000494:pharmacology*
chemical_list: D003470:Culture Media; D013752:Tetracycline