title: Progress in comparative genetics of nitrogen fixation.
mesh_terms: D002874:Chromosome Mapping; D004579:Electron Transport; D004789:Enzyme Activation; D005796:Genes; D007711:Klebsiella pneumoniae / Q000235:genetics* / Q000378:metabolism; D009586:Nitrogen Fixation; D009591:Nitrogenase / Q000235:genetics; D014176:Protein Biosynthesis
chemical_list: D009591:Nitrogenase