Sinorhizobium melilotiSinorhizobiumMedicago sativaSymbiosisNitrogen FixationSinorhizobium frediiRoot Nodules, PlantMedicago truncatulaPlant Root NodulationMedicagoBacterial ProteinsGene Expression Regulation, BacterialRhizobiumRhizobiaceaePlant RootsPolysaccharides, BacterialGenes, BacterialFabaceaeRhizobium leguminosarumMolecular Sequence DataMelilotusLuteolinMutagenesis, InsertionalDNA, BacterialMutationGenetic Complementation TestGenome, BacterialGalactans4-ButyrolactoneAgrobacterium tumefaciensBradyrhizobiumSequence Analysis, DNARheumatoid NoduleHomogentisate 1,2-DioxygenaseBetaineBase SequenceDNA Transposable ElementsPlasmidsOperonQuorum SensingGlucansCholine DehydrogenaseRegulonAmino Acid SequencePhenotypeRhizobium etliDicarboxylic Acid TransportersDicarboxylic AcidsSequence Homology, Amino AcidBetaine-Aldehyde DehydrogenaseHost Factor 1 ProteinAcyl-ButyrolactonesNitrogenRepliconPlant ProteinsGenes, EssentialErythritolMultiple Pulmonary NodulesCloning, MolecularPlants, MedicinalArtificial Gene FusionAminoethylphosphonic AcidPhylogenyHydroxybutyratesAlphaproteobacteriaChromosomes, BacterialGene OrderGene Deletion