title: Physiology of heterocyst production in the blue-gree alga Anabaena doliolum. I. Nitrate and light controls.
mesh_terms: D002454:Cell Differentiation / Q000187:drug effects; D003116:Color; D003470:Culture Media; D000458:Cyanobacteria / Q000187:drug effects / Q000254:growth & development* / Q000528:radiation effects; D008027:Light; D008722:Methods; D009024:Morphogenesis; D009566:Nitrates / Q000494:pharmacology; D010788:Photosynthesis; D011830:Radiation Effects; D014508:Urea / Q000494:pharmacology*
chemical_list: D003470:Culture Media; D009566:Nitrates; D014508:Urea