title: Plasmid-determined tetracycline resistance involves new transport systems for tetracycline.
mesh_terms: D001693:Biological Transport, Active; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000235:genetics / Q000378:metabolism*; D007700:Kinetics; D010957:Plasmids; D013752:Tetracycline / Q000378:metabolism*
chemical_list: D013752:Tetracycline