title: Isolation of plasmid deletion Mutants and study of their instability.
mesh_terms: D002872:Chromosome Deletion; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000235:genetics; D005796:Genes; D009154:Mutation; D010641:Phenotype; D010957:Plasmids; D011995:Recombination, Genetic; D013211:Staphylococcus aureus / Q000235:genetics*; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D013752:Tetracycline