LotusNelumboRoot Nodules, PlantSymbiosisMesorhizobiumPlant Root NodulationPlant RootsRhizobiaceaeAlphaproteobacteriaLeghemoglobinNitrogen FixationFabaceaePlant ProteinsWorld HealthWorld Health OrganizationMycorrhizaeChromosomes, ArtificialGene Expression Regulation, PlantRhizobiumSaussureaGenes, Plant