Sterol accumulation in a mutant of Saccharomyces cerevisiae defective in ergosterol production.

Adaptation, Physiological Aerobiosis Anaerobiosis Carbon Isotopes Chemical Precipitation Chromatography, Thin Layer Digitalis Glycosides Drug Resistance, Microbial Haploidy Isomerism Methionine/metabolism Methylation Mutation Nystatin/pharmacology Saccharomyces/drug effects,growth & development,metabolism Saponins Spectrophotometry Spirostans Sterols/analysis,biosynthesis,isolation & purification,metabolism,physiology Ultraviolet Rays Vitamin D/biosynthesis

Carbon Isotopes Digitalis Glycosides Saponins Spirostans Sterols Nystatin Vitamin D Methionine