Citrobacter freundiiCitrobacterEscherichiaEnterobacteriaceae InfectionsTyrosine Phenol-LyaseCephalosporinasebeta-LactamasesEnterobacteriaceaeEnterobacter cloacaeEnterobacterCefotaximeDicloxacillinUranium CompoundsMicrobial Sensitivity TestsProteus vulgarisPyronineEnterobacter aerogenesCephalosporinsEscherichia coliGram-Negative BacteriaCeftazidimeAnti-Bacterial AgentsGenes, BacterialSerratia marcescensBacterial ProteinsMelibioseBacteriaPlasmidsKlebsiella oxytocaCefotiamMonobactamsCefmenoximeCloxacillinPenicillinaseDrug Resistance, MicrobialCephalosporin Resistancebeta-LactamsMolecular Sequence DataConjugation, GeneticThienamycinsCephaloridineCarbapenemsProteus mirabilisSerratiabeta-Lactam ResistanceGalactosidasesDNA, BacterialAmpicillinGram-Positive BacteriaCarbon-Sulfur Lyases