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. 2013 Jul 23;4(4):e00273-13. doi: 10.1128/mBio.00273-13

TABLE 2 .

Toxic compounds to which mutation of Asp87 to Gly of gyrase provided a survival benefit

Group and compound Mechanism of action
Beta-lactams
 Cefoxitin Cell wall synthesis
 Ampicillin Cell wall synthesis
 Carbenicillin Cell wall synthesis
Folate synthesis inhibitors/antagonists
 2,4-Diamino-6,7-diisopropylpteridine Folate antagonist
 Sulfamethazine Folate synthesis inhibitor
 Sulfadiazine Folate synthesis inhibitor
 Sulfathiazole Folate synthesis inhibitor
 Sulfamethoxazole Folate synthesis inhibitor
Quinolones
 Lomefloxacin DNA gyrase inhibitor
 Enoxacin DNA gyrase inhibitor
 Ofloxacin DNA gyrase inhibitor
 Nalidixic acid DNA gyrase inhibitor
 Oxolinic acid DNA gyrase inhibitor
Protein synthesis inhibitors
 Neomycin Inhibitor of 30S ribosomal subunit
 Kanamycin Inhibitor of 30S ribosomal subunit
Toxic anions
 Boric acid Toxic anion
 Sodium cyanate Toxic anion
 Sodium arsenate Toxic anion, phosphate analog
 Sodium metavanadate Toxic anion, phosphate analog
 Sodium orthovanadate Toxic anion, phosphate analog
Other
 Rifampin RNA polymerase inhibitor
 Sanguinarine Membrane potential
 Nitrofurantoin Reactive attack of macromolecules