title: Nitrate regulation of heterocyst differentiation and nitrogen fixation in a chlorate-resistant mutant of the blue-green alga, Nostoc muscorum.
mesh_terms: D002455:Cell Division / Q000187:drug effects; D002704:Chlorates / Q000494:pharmacology*; D000458:Cyanobacteria / Q000187:drug effects / Q000378:metabolism*; D004352:Drug Resistance, Microbial; D009153:Mutagens; D009154:Mutation; D009566:Nitrates / Q000378:metabolism*; D009586:Nitrogen Fixation / Q000187:drug effects*; D013045:Species Specificity
chemical_list: D002704:Chlorates; D009153:Mutagens; D009566:Nitrates