Rhizobium leguminosarumRhizobiumSymbiosisFabaceaePeasNitrogen FixationPlants, MedicinalViciaVicia sativaTrifoliumGenes, BacterialBacterial ProteinsCosmidsLens PlantMedicagoLipid AHydrogenaseRoot Nodules, PlantSinorhizobium melilotiMolecular Sequence DataRhizobiaceaeGene Expression Regulation, BacterialPlasmidsPolysaccharides, BacterialSugar AcidsDNA, BacterialPlant Root NodulationPlant RootsFlavanonesCarbohydrate SequenceGuanosine Diphosphate MannoseGenetic Complementation TestDicarboxylic AcidsMutationDicarboxylic Acid TransportersRhizobium etliBase SequenceMutagenesis, InsertionalRhizobium tropiciOperonSpecies SpecificityPlant ExudatesNitrogenaseArtificial Gene FusionAmino Acid SequenceFructokinasesPlantsLipopolysaccharidesHydroxy AcidsCloning, Molecular4-ButyrolactoneMannosyltransferasesAcetylenePhaseolusEscherichia coliLeghemoglobinSequence Homology, Amino AcidGlycolipidsMedicago sativaBradyrhizobiumAcyltransferases