Rats, Mutant StrainsAscorbic Acid DeficiencyMutationEscherichia coliGenes, BacterialSequence Analysis, DNABacterial ProteinsMolecular Sequence DataVirulencePhenotypeSpecies SpecificityGene Expression Regulation, BacterialGenetic Complementation TestAmino Acid SequencePlasmidsDNA, BacterialGene DeletionRNA, Ribosomal, 16SMice, Inbred StrainsCloning, MolecularCulture MediaDNA, RibosomalMutagenesis, InsertionalBacterial Typing TechniquesMutant ProteinsAnti-Bacterial AgentsDrug Resistance, MicrobialMicrobial Sensitivity TestsTemperatureBase SequencePolymerase Chain ReactionMice, Mutant StrainsEscherichia coli ProteinsRNA, BacterialSequence Homology, Amino AcidFungal ProteinsGenotypeDNA Transposable ElementsOperonVirulence FactorsSerotypingBacterial AdhesionChromosome MappingMutagenesis, Site-DirectedDNA PrimersBase CompositionSalmonella typhimuriumGenome, BacterialRestriction MappingCell LineRecombination, GeneticBacterial Outer Membrane ProteinsNucleic Acid HybridizationKineticsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsGenes, rRNATranscription, GeneticChromosomes, BacterialSequence AlignmentPseudomonasFermentationGenetic VariationSoil MicrobiologyStaphylococcus aureusAllelesDNA, FungalPseudomonas aeruginosaGenesAntigens, BacterialDrug Resistance, BacterialCrosses, GeneticTransformation, GeneticFatty AcidsBacterial ToxinsMembrane ProteinsConjugation, GeneticGene Expression Regulation, FungalGenes, FungalAmino Acid SubstitutionCell WallPhylogenyProtein BindingOpen Reading FramesMice, Inbred BALB CMultigene FamilyPoint MutationRhizobiumGenetics, MicrobialAerobiosisHydrogen-Ion ConcentrationSequence DeletionTranscription FactorsPolysaccharides, BacterialSuppression, GeneticDNA FingerprintingBlotting, SouthernElectrophoresis, Polyacrylamide GelBiodegradation, EnvironmentalNitrogen Fixation