title: The effect of altered porin expression in Escherichia coli upon susceptibility to 4-quinolones.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis*; D004926:Escherichia coli / Q000187:drug effects* / Q000235:genetics / Q000378:metabolism; D005786:Gene Expression Regulation; D008826:Microbial Sensitivity Tests; D011804:Quinolines / Q000494:pharmacology*
chemical_list: D001426:Bacterial Proteins; D011804:Quinolines