BradyrhizobiumRhizobiaceaeSymbiosisNitrogen FixationSoybeansRoot Nodules, PlantPlant Root NodulationFabaceaeGenes, BacterialRhizobiumRNA, Ribosomal, 16SBacterial ProteinsSequence Analysis, DNADNA, BacterialAcaciaMolecular Sequence DataGene Expression Regulation, BacterialPhylogenyPlant RootsDNA, RibosomalLespedezaPachyrhizusDNA, Ribosomal SpacerSpecies SpecificityHydrogenaseAmino Acid SequenceSoil MicrobiologyBacterial Typing TechniquesMutationNitrogenaseSinorhizobiumAfipiaBase SequenceRNA, BacterialEscherichia coliGenes, rRNAGenetic Complementation TestBase CompositionPlants, MedicinalAlphaproteobacteriaGenome, BacterialCloning, MolecularPhenotypeSinorhizobium frediiNucleic Acid HybridizationPlasmidsAerobiosis2,4-Dichlorophenoxyacetic AcidPolymorphism, Restriction Fragment LengthOxidoreductasesLupinusRhodobacterRestriction MappingRNA, Ribosomal, 23SCytisusHemeproteinsCulture MediaSequence Homology, Amino AcidBradyrhizobiaceaeOperonDNA FingerprintingSequence Homology, Nucleic AcidCanthaxanthinMice, Inbred StrainsPolymerase Chain ReactionRhizobium leguminosarum