Ampicillin ResistanceAmpicillinPenicillin ResistanceR FactorsMicrobial Sensitivity TestsAnti-Bacterial AgentsDrug Resistance, Microbialbeta-LactamasesEnterococcus faeciumDrug Resistance, BacterialHaemophilus influenzaeDNA, BacterialEscherichia coliConjugation, GeneticPlasmidsPenicillinasePenicillinsChloramphenicol ResistancePenicillin-Binding ProteinsDrug Resistance, Multiple, BacterialExtrachromosomal InheritanceDrug ResistanceTetracyclineShigella sonneiHaemophilus ducreyiHaemophilus InfectionsTransformation, BacterialTrimethoprimEnterobacteriaceaeTransformation, GeneticDNA Transposable ElementsBacterial ProteinsMolecular Sequence DataGram-Positive Bacterial InfectionsMuramoylpentapeptide CarboxypeptidasePenicillin GSulbactamStreptomycinPeptidyl TransferasesHexosyltransferasesBase SequenceGenes, BacterialMutationSerine-Type D-Ala-D-Ala CarboxypeptidaseFecesPolymerase Chain ReactionDrug Resistance, MultipleChromosomes, BacterialDrug Resistance, NeoplasmCulture MediaPivampicillinDNA Restriction EnzymesRecombination, GeneticSequence Analysis, DNADNA, CircularNucleic Acid HybridizationElectrophoresis, Gel, Pulsed-FieldDisease ResistanceBacterial Typing TechniquesCloning, MolecularGenesVascular ResistanceDrug Resistance, ViralPhylogenyChloramphenicolbeta-Lactam ResistanceSerotypingGentamicinsDNA, RecombinantTetracycline ResistanceGenotypeEnterococcus faecalisbeta-LactamsAnti-Infective AgentsDNA FingerprintingCephalosporinsDrug Resistance, FungalEscherichia coli InfectionsPhenotypeErythromycinStaphylococcus aureusSulfamethoxazoleCiprofloxacinPlant DiseasesMolecular EpidemiologyDysentery, BacillarySalmonella InfectionsBacteriaGenetic VariationKlebsiellaPenicillanic AcidSalmonellaGenetic VectorsSpecies SpecificityVirulenceShigellaVancomycin ResistanceAmoxicillinCloxacillinPolymorphism, Restriction Fragment Length