BradyrhizobiumRhizobiaceaeSoybeansSymbiosisSchistosoma japonicumPlant Root NodulationNitrogen FixationRhizobiumFabaceaeGenes, BacterialRoot Nodules, PlantMolecular Sequence DataSchistosomiasis japonicaBacterial ProteinsUnited States Department of AgricultureHydrogenaseGene Expression Regulation, BacterialSinorhizobium frediiDNA, BacterialPlant Roots