IntegronsDrug Resistance, Multiple, BacterialIntegrasesDrug Resistance, BacterialDNA, BacterialAnti-Bacterial AgentsTrimethoprim ResistanceMicrobial Sensitivity TestsConjugation, GeneticSalmonella entericaSequence Analysis, DNADNA Transposable ElementsPolymerase Chain ReactionAcinetobacter InfectionsElectrophoresis, Gel, Pulsed-FieldPlasmidsbeta-LactamasesSalmonella InfectionsShigella sonneiEnterobacteriaceae InfectionsEnterobacteriaceaeGene Transfer, HorizontalAcinetobacter baumanniiGenes, BacterialDrug Resistance, MicrobialMolecular Sequence DataEscherichia coli InfectionsGram-Negative BacteriaEnterobacter cloacaeDysentery, BacillaryDelftiaEscherichia coliRandom Amplified Polymorphic DNA TechniqueInterspersed Repetitive SequencesUruguayShigellaAcinetobacterAttachment Sites, MicrobiologicalGram-Negative Bacterial InfectionsSerratia InfectionsKlebsiella pneumoniaePoultrySalmonellaPortugalBacteriophage TypingDNA FingerprintingEnvironmental MicrobiologyTrimethoprimBase SequenceGenomic IslandsPseudomonas aeruginosaBlotting, SouthernSalmonella Infections, AnimalGene OrderKlebsiella InfectionsDrug Resistance, MultipleCross InfectionVibrio choleraeAminoglycosidesBacterial Proteins