title: Isolation of pleiotropic yeast mutants requiring ergosterol for growth.
mesh_terms: D002247:Carbon Isotopes; D002855:Chromatography, Thin Layer; D004875:Ergosterol / Q000378:metabolism; D005816:Genetic Complementation Test; D006824:Hybridization, Genetic; D008715:Methionine / Q000378:metabolism; D009154:Mutation; D009829:Oleic Acids; D010641:Phenotype; D012441:Saccharomyces cerevisiae / Q000302:isolation & purification*; D014807:Vitamin D / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D009829:Oleic Acids; D014807:Vitamin D; D008715:Methionine; D004875:Ergosterol