Medicago truncatulaMedicagoMedicago sativaSinorhizobium melilotiRoot Nodules, PlantSymbiosisPlant Root NodulationPlant RootsMycorrhizaePlant ProteinsGene Expression Regulation, PlantNitrogen FixationGenes, PlantAphanomycesLotusGenome, PlantPlants, Genetically ModifiedRhizobiumSinorhizobiumMolecular Sequence DataFabaceaePlant LeavesDNA, PlantSeedsRNA, PlantSyntenyIndoleacetic AcidsNaphthaleneacetic AcidsCytokininsPhylogenyExpressed Sequence TagsGlomeromycotaColletotrichumPlant Growth RegulatorsPlant ShootsLens PlantAgrobacteriumEthylenesPlant DiseasesSeedlingPulvinusProanthocyanidinsThioredoxin hChromosomes, PlantPeasGene Expression ProfilingPlant EpidermisOrobanchePlant Vascular BundlePhloemPhenotypeAmino Acid SequenceGerminationAphidsSoybeansLupinusLeghemoglobinMutationMeristemFlowersLigninChromosome MappingMicroscopy, UltravioletPhosphate Transport Proteins