Sinorhizobium melilotiRhizobiumSinorhizobiumMedicago sativaNitrogen FixationSymbiosisRhizobium leguminosarumSinorhizobium frediiGenes, BacterialRhizobium etliRhizobiaceaeBacterial ProteinsFabaceaePolysaccharides, BacterialGene Expression Regulation, BacterialRoot Nodules, PlantMolecular Sequence DataMedicago truncatulaPlant Root NodulationDNA, BacterialPlasmidsMedicagoGenetic Complementation TestRhizobium tropiciDNA Transposable ElementsLuteolinPlant RootsBase SequenceMutationPlants, MedicinalCloning, MolecularMutagenesis, InsertionalDicarboxylic AcidsGlucansCosmidsRestriction MappingAmino Acid SequenceDicarboxylic Acid TransportersEscherichia coliPhosphoadenosine PhosphosulfateNitrogenasePhenotypeAgrobacterium tumefaciensChromosomes, BacterialPlantsbeta-GlucansSpecies SpecificityBradyrhizobiumSequence Homology, Amino AcidMelilotusSequence Homology, Nucleic AcidConjugation, GeneticSequence Analysis, DNAOperonSulfate AdenylyltransferaseChromosome MappingSuccinatesCarbohydrate SequencePhaseolusSuccinic AcidGlutamate-Ammonia LigaseGenes, RegulatorUridine Diphosphate GlucoseHemeproteinsSoybeansTranscription, GeneticPhylogenyMultigene FamilyNucleic Acid HybridizationPromoter Regions, GeneticRNA, BacterialGenome, BacterialSigma FactorOpen Reading FramesRNA Polymerase Sigma 54LipopolysaccharidesRNA, Ribosomal, 16SBacteriophagesAlphaproteobacteriaSoil MicrobiologyGlutamate SynthaseGenesSequence Alignmentbeta-Galactosidase3-Oxoacyl-(Acyl-Carrier-Protein) Reductase4-ButyrolactoneOligosaccharidesGlutamate-tRNA LigaseKlebsiella pneumoniaeFlagellaGalactansIndigoferaSesbaniaBlotting, SouthernCulture MediaAcaciaBetaineMesorhizobiumAcyltransferasesDNA Restriction Enzymes