Ampicillin ResistancePenicillin ResistanceAmpicillinPenicillinsAnti-Bacterial AgentsDrug Resistance, BacterialMicrobial Sensitivity TestsDrug Resistance, MicrobialPenicillin GStreptococcus pneumoniaeDrug Resistance, Multiple, BacterialR FactorsPenicillin-Binding Proteinsbeta-LactamasesDrug ResistancePneumococcal InfectionsMuramoylpentapeptide CarboxypeptidasePenicillinasePenicillin VEscherichia coliDrug Resistance, MultiplePeptidyl TransferasesDNA, BacterialHexosyltransferasesHaemophilus influenzaeBacterial ProteinsPlasmidsTetracyclineDrug Resistance, NeoplasmAnti-Infective AgentsEnterococcus faeciumConjugation, GeneticNeisseria gonorrhoeaeErythromycinTransformation, BacterialSerotypingChloramphenicol ResistanceMutationMacrolidesLactamsEnterobacteriaceaeGenes, BacterialDisease ResistancePenicillin G ProcaineAntimicrobial Cationic PeptidesMolecular Sequence DataTransformation, Geneticbeta-LactamsElectrophoresis, Gel, Pulsed-FieldPenicillin AmidaseBacteriaGram-Negative BacteriaStaphylococcus aureusGram-Positive Bacterial InfectionsTrimethoprimbeta-Lactam ResistanceVascular ResistanceDrug Resistance, ViralStreptomycinTetracycline ResistancePolymerase Chain ReactionStreptococcal InfectionsExtrachromosomal InheritanceShigella sonneiFecesStaphylococcusBacterial InfectionsHaemophilus InfectionsPenicillin G BenzathineBase SequenceCulture MediaDrug Resistance, FungalDNA Transposable ElementsFluoroquinolonesSalmonellaCephalosporinsCiprofloxacinEscherichia coli InfectionsCefotaximeGram-Positive BacteriaAminoacyltransferasesShigellaIntegronsDisk Diffusion Antimicrobial TestsBacteremiaStreptococcusOxacillinEnterococcusHaemophilus ducreyiSalmonella InfectionsCross InfectionGram-Negative Bacterial InfectionsMoraxella (Branhamella) catarrhalisPseudomonas aeruginosaCommunity-Acquired InfectionsPlant DiseasesTrimethoprim-Sulfamethoxazole CombinationChloramphenicolCarrier ProteinsSequence Analysis, DNA