title: Regression of rifampicin and 7-azatryptophan induced multiple heterocysts by viper venom in Anabaena ARM 314.
mesh_terms: D002454:Cell Differentiation / Q000187:drug effects; D000460:Chlorophyta / Q000166:cytology* / Q000187:drug effects; D004347:Drug Interactions; D012293:Rifampin / Q000494:pharmacology*; D014364:Tryptophan / Q000031:analogs & derivatives* / Q000494:pharmacology; D014757:Viper Venoms / Q000494:pharmacology*
chemical_list: D014757:Viper Venoms; C006657:7-azatryptophan; D014364:Tryptophan; D012293:Rifampin