title: Nitrogen fixation by marine photosynthetic bacteria.
mesh_terms: D000114:Acetylene / Q000378:metabolism; D007055:Iceland; D009586:Nitrogen Fixation; D010084:Oxidation-Reduction; D010788:Photosynthesis; D012244:Rhodospirillaceae / Q000378:metabolism*; D012623:Seawater; D014852:Wales; D014871:Water Microbiology
chemical_list: D000114:Acetylene