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Sterol pathway in yeast. Identification and properties of mutant strains defective in mevalonate diphosphate decarboxylase and farnesyl diphosphate synthetase

  • Plant and Fungal Sterols: Biosynthesis, Metabolism and Function Papers Presented at a Symposium Held at the AOCS Annual Meeting. Baltimore, MD, April 1990
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Lipids

Abstract

Yeast mutant strains auxotrophic for ergosterol and blocked in mevalonate diphosphate decarboxylase (erg19) and farnesyl diphosphate (FPP) synthetase (erg20) were isolated. The main feature of the mutants blocked in FPP synthetase is their ability to excrete prenyl alcohols, such as geraniol and farnesol. The isolation of the functionalERG20 gene allowed us to show that farnesyl diphosphate synthetase could be a rate limiting enzyme in ergosterol biosynthesis in yeast.

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Abbreviations

DMAPP:

dimethylallyl diphosphate

DTT:

dithiothreitol

ERG:

functional gene in ergosterol pathway

erg:

gene defective in ergosterol pathway

FPP:

farnesyl diphosphate

GC/MS:

gas chromatography/mass spectrometry

GPP:

geranyl diphosphate

HMG-CoA:

hydroxymethylglutaryl-Coenzyme A

IPP:

isopentenyl diphosphate

MVA:

mevalonic acid

MVAP:

mevalonate phosphate

MVAPP:

mevalonate diphosphate

TLC:

thin-layer chromatography

[]:

denotes plasmid-carrier state

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Chambon, C., Ladeveze, V., Servouse, M. et al. Sterol pathway in yeast. Identification and properties of mutant strains defective in mevalonate diphosphate decarboxylase and farnesyl diphosphate synthetase. Lipids 26, 633–636 (1991). https://doi.org/10.1007/BF02536428

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  • DOI: https://doi.org/10.1007/BF02536428

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