Medicago sativaMedicago truncatulaMedicagoSinorhizobium melilotiOryza sativaSymbiosisRoot Nodules, PlantPlant RootsNigella sativaPlant ProteinsMelilotusNitrogen FixationSinorhizobiumGene Expression Regulation, PlantRhizobiumTrifoliumGenes, PlantEntomophthoraAvena sativaFabaceaePterocarpansPlants, Genetically ModifiedMolecular Sequence DataLeghemoglobinVicia sativaPoaceaeSeedsPlant StructuresEntomophthoralesPlant LeavesMycorrhizaeTriacetoneamine-N-OxylPlant ShootsDNA, PlantSeedlingLigninPhylogenyPlant Root NodulationGenome, PlantNitrogenPlants, MedicinalPlant DiseasesLettuceAmino Acid SequenceBase SequencePolysaccharides, BacterialAnimal FeedSequence Analysis, DNACarbonSequence Homology, Amino AcidSpecies SpecificityLotusPhenotypeChromosomes, PlantBacterial ProteinsSequence AlignmentSoil MicrobiologyCarbohydrate MetabolismGene Expression Regulation, BacterialRNA, PlantDigestionGenes, BacterialRNA, Ribosomal, 16SDNA, Bacterial