title: Lethality and "petite" mutation induced by the photoaddition of 8-methoxypsoralen in yeast: influence of ploidy, growth phases and stages in the cell cycle.
mesh_terms: D002453:Cell Cycle / Q000187:drug effects; D003374:Coumarins / Q000494:pharmacology*; D005363:Ficusin / Q000494:pharmacology*; D011564:Furocoumarins; D005804:Genes, Lethal; D008027:Light; D009154:Mutation; D011003:Ploidies; D012441:Saccharomyces cerevisiae / Q000187:drug effects / Q000235:genetics
chemical_list: D003374:Coumarins; D011564:Furocoumarins; D005363:Ficusin