Acinetobacter baumanniibeta-Lactamasesbeta-Lactam ResistanceAcinetobacter InfectionsAnti-Bacterial AgentsDipeptidasesMicrobial Sensitivity TestsLactamsbeta-LactamsCilastatinKlebsiella pneumoniaeAcinetobacterDrug Resistance, BacterialPectobacterium carotovorumKlebsiella InfectionsPseudomonas aeruginosaGram-Negative BacteriaEnterobacteriaceaePorinsDrug Resistance, Multiple, BacterialGram-Positive BacteriaBacterial ProteinsGram-Negative Bacterial InfectionsPseudomonas InfectionsBacteremiaPiperacillinEnterobacteriaceae InfectionsCross InfectionCarbon-Carbon LyasesSerratiaPenicillanic AcidPeptidyl TransferasesBacterial InfectionsBacteria, AnaerobicCeftazidimeMuramoylpentapeptide CarboxypeptidasePenicillin-Binding ProteinsHexosyltransferasesDrug Resistance, MicrobialBacterial Outer Membrane ProteinsDisk Diffusion Antimicrobial TestsBacteriaCephalosporinsHospitalsBacteria, AerobicElectrophoresis, Gel, Pulsed-FieldEnterobacter cloacaeBacteroides fragilisDrug StabilityDNA, BacterialAcinetobacter calcoaceticusHospitals, UniversityAmikacinProdigiosinIntensive Care UnitsSerratia marcescensMultilocus Sequence TypingMice, Inbred ICRDNA Transposable ElementsStereoisomerismEscherichia coliGram-Positive Bacterial InfectionsPolymerase Chain ReactionHydrolysisPlasmidsDNA FingerprintingMolecular EpidemiologyEnterobacter aerogenesSequence Analysis, DNAMolecular TypingCephalosporinaseDrug Resistance, MultipleMinocyclineGreeceProdrugsGenes, BacterialStreptomycesCefotaximeIntegronsDisease OutbreaksMolecular Sequence DataPenicillinsColistinMethicillin Resistance4-ButyrolactoneQueenslandCefoperazoneDrug EruptionsValproic AcidStructure-Activity RelationshipSulbactamArea Under CurveGene Expression Regulation, BacterialEscherichia coli InfectionsCeftriaxoneKineticsMutationIndiaVancomycinCosmids