Ampicillin ResistanceAmpicillinDrug Resistance, BacterialAnti-Bacterial AgentsDrug Resistance, Multiple, BacterialMicrobial Sensitivity TestsIntegronsSalmonella entericaDrug Resistance, MicrobialConjugation, GeneticDNA, BacterialPlasmidsR FactorsEscherichia coliPenicillin Resistancebeta-LactamasesGenes, BacterialSalmonella Infections, AnimalBacterial ProteinsEnterococcus faeciumDrug ResistanceSequence Analysis, DNAHaemophilus influenzaePolymerase Chain ReactionMolecular Sequence DataChloramphenicol ResistanceAnti-Infective AgentsDrug Resistance, MultipleVirulence FactorsPenicillinsTetracyclineAntimicrobial Cationic PeptidesDisease ResistanceEnterobacteriaceaePenicillinaseTetracycline ResistancePenicillin-Binding ProteinsTrimethoprimDNA Transposable ElementsDrug Resistance, NeoplasmFecesGram-Positive Bacterial InfectionsShigella sonneiOligonucleotide Array Sequence AnalysisGram-Negative BacteriaExtrachromosomal InheritanceTransformation, BacterialStreptomycinPlant DiseasesMutationTransformation, GeneticBacteriaSalmonellaHaemophilus InfectionsBacterial InfectionsEnterococcusShigellaBase SequenceEscherichia coli InfectionsSalmonella InfectionsElectrophoresis, Gel, Pulsed-FieldErythromycinHaemophilus ducreyiPenicillin GGram-Positive BacteriaDysentery, BacillaryVascular Resistancebeta-Lactam ResistanceStaphylococcus aureusStreptococcus pneumoniaeGram-Negative Bacterial InfectionsSerotypingCross InfectionDrug Resistance, ViralTrimethoprim-Sulfamethoxazole CombinationDisk Diffusion Antimicrobial TestsChromosomes, BacterialMuramoylpentapeptide CarboxypeptidaseCiprofloxacinSulbactamPeptidyl TransferasesMacrolidesGentamicinsChloramphenicolHexosyltransferasesGenes, MDRFluoroquinolonesCloning, MolecularKlebsiella pneumoniaeEnterococcus faecalisCulture MediaTrimethoprim ResistanceRecombination, GeneticSerine-Type D-Ala-D-Ala Carboxypeptidasebeta-LactamsGene Transfer, HorizontalKanamycinStaphylococcusUrinary Tract InfectionsTetracyclines