Anti-Bacterial AgentsMicrobial Sensitivity Testsbeta-LactamasesAcinetobacter baumanniibeta-Lactam ResistanceAcinetobacter InfectionsDipeptidasesGram-Negative BacteriaLactamsGram-Positive Bacteriabeta-LactamsCilastatinBacteriaKlebsiella pneumoniaePseudomonas aeruginosaDrug Resistance, BacterialAcinetobacterEnterobacteriaceaePectobacterium carotovorumKlebsiella InfectionsBacterial ProteinsDrug Resistance, Multiple, BacterialBacterial InfectionsPorinsGram-Negative Bacterial InfectionsPseudomonas InfectionsCephalosporinsAnti-Infective AgentsEscherichia coliStaphylococcus aureusDisk Diffusion Antimicrobial TestsDrug Resistance, MicrobialPiperacillinBacteremiaEnterobacteriaceae InfectionsPeptidyl TransferasesAntimicrobial Cationic PeptidesMuramoylpentapeptide CarboxypeptidaseBacteria, AnaerobicCross InfectionPenicillanic AcidSerratiaCeftazidimeHexosyltransferasesPenicillin-Binding ProteinsStructure-Activity RelationshipCarbon-Carbon LyasesSilverDrug StabilityBacteria, AerobicMolecular StructureMice, Inbred ICRPlant ExtractsEnterobacter cloacaeMolecular Sequence DataStereoisomerismBacterial Outer Membrane ProteinsColony Count, MicrobialHospitalsDNA, BacterialSerratia marcescensBacteroides fragilisGram-Positive Bacterial InfectionsPenicillinsStreptomycesAmikacinElectrophoresis, Gel, Pulsed-FieldCefotaximeAcinetobacter calcoaceticusCephalosporinaseMagnetic Resonance SpectroscopyHydrolysisAmino Acid SequenceEnterobacter aerogenesMinocyclineHoneyHospitals, UniversityMicrobial ViabilityOils, VolatileMethicillin ResistanceProdigiosinCulture MediaPlasmidsIntensive Care UnitsPolymerase Chain ReactionDNA Transposable ElementsSequence Analysis, DNAMultilocus Sequence TypingProdrugsFluoroquinolonesDrug Resistance, MultipleAnti-Infective Agents, LocalVancomycinChromatography, High Pressure LiquidEscherichia coli InfectionsColistinGenes, BacterialCefoperazoneInsect ProteinsQuinolones