title: An inducible hydrogenase in cyanobacteria enhances n2 fixation.
mesh_terms: D002734:Chlorophyll / Q000032:analysis; D000458:Cyanobacteria / Q000201:enzymology*; D004790:Enzyme Induction; D009584:Nitrogen / Q000378:metabolism*; D009591:Nitrogenase / Q000378:metabolism; D010088:Oxidoreductases / Q000096:biosynthesis*
chemical_list: D002734:Chlorophyll; D010088:Oxidoreductases; D009591:Nitrogenase; D009584:Nitrogen