1999 journal article
In yeast, upc2-1 confers a decrease in tolerance to LiCl and NaCl, which can be suppressed by the P-type ATPase encoded by ENA2
DNA AND CELL BIOLOGY, 18(2), 133–139.
MeSH headings : Adenosine Triphosphatases / genetics; Cholesterol / pharmacokinetics; Dose-Response Relationship, Drug; Genes, Fungal / genetics; Genetic Complementation Test; Lithium Chloride / pharmacology; Mutation; Saccharomyces cerevisiae / drug effects; Saccharomyces cerevisiae / genetics; Saccharomyces cerevisiae / metabolism; Saccharomyces cerevisiae Proteins; Sodium Chloride / pharmacology; Sterols / pharmacokinetics; Trans-Activators / genetics
TL;DR:
Wild-type yeast cells are unable to take up sterols from their growth media under aerobic conditions and are relatively resistant to monovalent cations, but a yeast mutant with a defect in the aerobic exclusion of sterols was found to have increased sensitivity to LiCl and NaCl.
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(Web of Science)
Source: Web Of Science
Added: August 6, 2018
Wild-type yeast cells are unable to take up sterols from their growth media under aerobic conditions and are relatively resistant to monovalent cations. A yeast mutant (upc2-1) with a defect in the aerobic exclusion of sterols was found to have increased sensitivity to LiCl and NaCl. Although cation sensitivity has been reported for mutants that synthesize altered sterols, the mutant with upc2-1 continues to produce the normal sterol, ergosterol. The ENA2 gene was cloned on the basis of remediating the hypersensitivity to the monovalent cations.