Sinorhizobium melilotiSinorhizobiumMedicago sativaSymbiosisNitrogen FixationSinorhizobium frediiMedicago truncatulaMedicagoPlant Root NodulationBacterial ProteinsRoot Nodules, PlantGene Expression Regulation, BacterialRhizobiumRhizobiaceaePlant RootsGenes, BacterialPolysaccharides, BacterialMolecular Sequence DataRhizobium leguminosarumFabaceaeMelilotusLuteolinMutagenesis, InsertionalDNA, BacterialMutationGenetic Complementation TestGenome, BacterialGalactansAgrobacterium tumefaciens4-ButyrolactoneSequence Analysis, DNAHomogentisate 1,2-DioxygenaseBase SequenceBetaineOperonPlasmidsDNA Transposable ElementsQuorum SensingGlucansBradyrhizobiumRegulonCholine DehydrogenaseAmino Acid SequenceCarbonPhenotypeDicarboxylic AcidsDicarboxylic Acid TransportersSequence Homology, Amino AcidRhizobium etliBetaine-Aldehyde DehydrogenaseHost Factor 1 ProteinAcyl-ButyrolactonesPII Nitrogen Regulatory ProteinsRepliconGenes, EssentialErythritolCloning, MolecularNitrogenHydroxybutyratesArtificial Gene FusionAminoethylphosphonic AcidPlant ProteinsPhylogenyGene DeletionChromosomes, BacterialGene OrderAlphaproteobacteria