Ampicillin ResistanceAmpicillinPenicillin ResistanceR FactorsHaemophilus influenzaeEnterococcus faeciumAnti-Bacterial AgentsDrug Resistance, MicrobialMicrobial Sensitivity Testsbeta-LactamasesEscherichia coliDrug Resistance, BacterialConjugation, GeneticPlasmidsDNA, BacterialPenicillinasePenicillinsChloramphenicol ResistancePenicillin-Binding ProteinsExtrachromosomal InheritanceTetracyclineDrug ResistanceShigella sonneiDrug Resistance, Multiple, BacterialHaemophilus ducreyiTransformation, GeneticTransformation, BacterialHaemophilus InfectionsTrimethoprimDNA Transposable ElementsEnterobacteriaceaePenicillin GMuramoylpentapeptide CarboxypeptidaseSulbactamPeptidyl TransferasesStreptomycinGram-Positive Bacterial InfectionsSerine-Type D-Ala-D-Ala CarboxypeptidaseHexosyltransferasesBase SequenceMutationBacterial ProteinsMolecular Sequence DataDrug Resistance, NeoplasmChromosomes, BacterialDrug Resistance, MultiplePivampicillinGenes, BacterialFecesRecombination, GeneticDNA Restriction EnzymesDNA, CircularDisease ResistanceCulture MediaCloning, MolecularGenesVascular ResistancePolymerase Chain ReactionNucleic Acid HybridizationDrug Resistance, ViralDNA, RecombinantChloramphenicolGenetic VectorsGentamicinsTetracycline ResistanceEnterococcus faecalisbeta-Lactam ResistanceSulfamethoxazolebeta-LactamsCephalosporinsPenicillanic AcidCloxacillinPlant DiseasesDysentery, BacillaryAmoxicillinAnti-Infective AgentsAmino Acid SequenceShigellaCarbenicillinCephalexinKanamycinErythromycinDrug Resistance, FungalPhenotypeAirway ResistanceKlebsiellaCephaloridineCiprofloxacinProbenecidSalmonellaTrimethoprim-Sulfamethoxazole CombinationTalampicillinSalmonella InfectionsNitrofurantoinTime FactorsSequence Analysis, DNAAminoglycosidesVancomycin ResistanceBacteriaEscherichia coli Infections