BradyrhizobiumRhizobiaceaeSymbiosisNitrogen FixationSoybeansRoot Nodules, PlantPlant Root NodulationFabaceaeRhizobiumGenes, BacterialAcaciaBacterial ProteinsMolecular Sequence DataDNA, BacterialPlant RootsLespedezaPachyrhizusRNA, Ribosomal, 16SPhylogenyGene Expression Regulation, BacterialHydrogenaseSequence Analysis, DNADNA, Ribosomal SpacerAfipiaSinorhizobiumNitrogenasePlants, MedicinalSinorhizobium frediiBase SequenceDNA, RibosomalSoil MicrobiologyAmino Acid SequenceLupinus2,4-Dichlorophenoxyacetic AcidAlphaproteobacteriaCytisusRhodobacterHemeproteinsGenetic Complementation TestBradyrhizobiaceaeCanthaxanthinOxidoreductases