title: Isolation of sulphate reductaseless mutants of the blue-green alga Nostoc muscorum.
mesh_terms: D000458:Cyanobacteria / Q000187:drug effects / Q000201:enzymology* / Q000378:metabolism; D003545:Cysteine / Q000378:metabolism; D004352:Drug Resistance, Microbial; D008715:Methionine / Q000378:metabolism; D009154:Mutation; D010088:Oxidoreductases / Q000096:biosynthesis*; D012643:Selenium / Q000494:pharmacology; D013431:Sulfates / Q000378:metabolism; D013885:Thiosulfates / Q000378:metabolism
chemical_list: D013431:Sulfates; D013885:Thiosulfates; D008715:Methionine; D010088:Oxidoreductases; D012643:Selenium; D003545:Cysteine