Abstract
Two yeast mutant strains auxotrophic for ergosterol and blocked in farnesyl diphosphate synthetase (EC 2.5.1.1) were isolated. Genetic analysis has shown that these mutant strains carry additional mutations in the ergosterol pathway besides erg20-1 and erg20-2 which affect FPP synthetase. The novel feature of these mutants is their ability to excrete prenyl alcohols (farnesol and geraniol). As geraniol is toxic for yeast cells, the above leaky mutations in FPP synthetase have to be associated with others in the sterol pathway, in order to slow down geraniol synthesis.
MeSH Terms
Acyclic Monoterpenes
Cell Membrane Permeability
Dimethylallyltranstransferase/genetics,metabolism
Ergosterol/genetics,metabolism
Farnesol/metabolism
Genes, Fungal
Genetic Complementation Test
Mevalonic Acid/metabolism
Mutation
Phenotype
Restriction Mapping
Saccharomyces cerevisiae/enzymology,genetics,isolation & purification
Terpenes/metabolism
Chemicals
Acyclic Monoterpenes
Terpenes
Farnesol
Dimethylallyltranstransferase
geraniol
Mevalonic Acid
Ergosterol
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Chambon C
Laboratoire de Biochimie et Génétique des Microorganismes, Université de Poitiers, France.
Ladeveze V
Oulmouden A
Servouse M
Karst F
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