title: Hydrogenase system in legume nodules: a mechanism of providing nitrogenase with energy and protection from oxygen damage.
mesh_terms: D006859:Hydrogen / Q000494:pharmacology; D009586:Nitrogen Fixation; D009591:Nitrogenase / Q000378:metabolism*; D010088:Oxidoreductases / Q000378:metabolism*; D010100:Oxygen / Q000494:pharmacology*; D010313:Partial Pressure; D012231:Rhizobium / Q000201:enzymology*; D013386:Succinates / Q000494:pharmacology
chemical_list: D013386:Succinates; D006859:Hydrogen; D010088:Oxidoreductases; D009591:Nitrogenase; D010100:Oxygen