Sinorhizobium melilotiSinorhizobiumMedicago sativaSymbiosisSinorhizobium frediiNitrogen FixationMedicago truncatulaMedicagoPlant Root NodulationBacterial ProteinsRoot Nodules, PlantGene Expression Regulation, BacterialRhizobiumRhizobiaceaePolysaccharides, BacterialGenes, BacterialPlant RootsRhizobium leguminosarumMelilotusMolecular Sequence DataFabaceaeLuteolinMutagenesis, InsertionalDNA, BacterialGenetic Complementation TestMutationGenome, BacterialGalactansAgrobacterium tumefaciens4-ButyrolactoneHomogentisate 1,2-DioxygenaseBetaineSequence Analysis, DNAOperonDNA Transposable ElementsPlasmidsBase SequenceQuorum SensingGlucansCholine DehydrogenaseRegulonBradyrhizobiumAmino Acid SequencePhenotypeDicarboxylic AcidsDicarboxylic Acid TransportersBetaine-Aldehyde DehydrogenaseHost Factor 1 ProteinSequence Homology, Amino AcidRhizobium etliAcyl-ButyrolactonesRepliconGenes, EssentialErythritolNitrogenCloning, MolecularAminoethylphosphonic AcidArtificial Gene FusionHydroxybutyratesGene OrderChromosomes, Bacterial