Cephalosporin ResistanceCephalosporinsMicrobial Sensitivity TestsCefotaximebeta-LactamasesAnti-Bacterial AgentsDrug Resistance, BacterialCefuroximebeta-Lactam ResistanceEnterobacteriaceae InfectionsDrug Resistance, MicrobialPenicillin-Binding ProteinsDrug ResistanceAcremoniumEscherichia coliCephalosporinaseCephalexinGram-Positive Bacterial InfectionsCephaloridineEnterococcus faecalisBacterial ProteinsCeftriaxoneDNA, BacterialPlasmidsDrug Resistance, Multiple, BacterialCephalothinDrug Resistance, NeoplasmCefmenoximePenicillinsCefiximeDrug Resistance, MultipleBacteriaCeftizoximePenicillin ResistanceEnterobacteriaceaeCeftazidimeDisease ResistanceCefazolinbeta-LactamsEnterobacterVascular ResistanceGram-Negative BacteriaDrug Resistance, ViralCefamandoleCefotiamCefaclorPenicillinaseCephradineBacterial InfectionsKlebsiella pneumoniaePenicillin AmidaseAmpicillinCefoxitinGram-Positive BacteriaMutationAztreonamPenicillin GKlebsiellaMolecular Sequence DataCephamycinsCefoperazoneStaphylococcus aureusKlebsiella InfectionsTetracycline ResistancePseudomonas aeruginosaMuramoylpentapeptide CarboxypeptidaseCefonicidNeisseria gonorrhoeaeCarbapenemsCefotetanDrug StabilityPeptidyl TransferasesPlant DiseasesStreptococcus pneumoniaeCross InfectionCefsulodinPenicillanic AcidMethicillin ResistanceCefmetazoleFluoroquinolonesHexosyltransferasesAminoglycosidesDrug Resistance, FungalEscherichia coli InfectionsLactamsAirway ResistanceAnti-Infective AgentsMoxalactamImipenemEnterobacter cloacaeConjugation, GeneticGram-Negative Bacterial InfectionsGonorrheaCloxacillinGenes, BacterialCefadroxilR FactorsAmpicillin ResistanceStructure-Activity RelationshipClavulanic Acid