An important role of glutathione and gamma-glutamyltranspeptidase in the supply of growth requirements during nitrogen starvation of the yeast Saccharomyces cerevisiae

Enzyme and protein assays were conducted on Saccharomyces cerevisiae to determine the important role of glutathione and gamma-glutamytranspeptidase in the supply of growth requirements during nitrogen starvation of yeasts. Results reveal that the response of glutathione to starvation depends on the nature of the nutrient deprivation. Furthermore, it was found that the central vacuole in the yeast served as an important storage area and provided several transport systems on amino acids and ions using channels or pumps.