Cited by 202Fungal and yeast genetics researchPlant biochemistry and biosynthesisAntifungal resistance and susceptibility

Cloning of the late genes in the ergosterol biosynthetic pathway of Saccharomyces cerevisiae—A review

Lees, N. D., Skaggs, B., Kirsch, D. R., Bard, M.·1995·Lipids

Abstract

Research on the ergosterol biosynthetic pathway in fungi has focused on the identification of the specific sterol structure required for normal membrane structure and function and for completion of the cell cycle. The pathway and its end product are also the targets for a number of antifungal drugs. Identification of essential steps in ergo-sterol biosynthesis could provide new targets for the development of novel therapeutic agents. Nine of the eleven genes in the portion of the pathway committed exclusively to ergosterol biosynthesis have been cloned, and their essentiality for aerobic growth has been determined. The first three genes, ERG9 (squalene synthase), ERG1 (squalene epoxidase), and ERG7 (lanosterol synthase), have been cloned and found to be essential for aerobic viability since their absence would result in the cell being unable to synthesize a sterol molecule. The remaining eight genes encode enzymes which metabolize the first sterol, lanosterol, to ultimately form ergosterol. The two earliest genes, ERG11 (lanosterol demethylase) and ERG24 (C-14 reductase), have been cloned and found to be essential for aerobic growth but are suppressed by mutations in the C-5 desaturase (ERG3) gene and fen1 and fen2 mutations, respectively. The remaining cloned genes, ERG6 (C-24 methylase), ERG2 (D8AE7 isomerase), ERG3 (C-5 desaturase), and ERG4 (C-24(28) reductase), have been found to be nonessential. The remaining genes not yet cloned are the C-4 demethylase and the C-22 des…

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Crossref · 10.1007/bf02537824

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Authors
Lees, N. D., Skaggs, B., Kirsch, D. R., & Bard, M.
Affiliations
  • Indiana University – Purdue University Indianapolis (US)
  • Agricultural Research Division American Cyanamid Princeton New Jersey 08543‐0400
Venue
Lipids
Publisher
Wiley
Published
1995-03
Volume
30
Issue
3
Pages
221-226
ISSN
  • 0024-4201 (ISSN-L)
  • 1558-9307
OpenAlex
W2028967650
Cited by
202
References
57
Citations by year
2026: 8 · 2025: 4 · 2024: 6 · 2023: 1 · 2022: 4 · 2021: 4 · 2020: 6 · 2019: 6 · 2018: 5 · 2017: 8 · 2016: 2 · 2015: 2 · 2014: 8 · 2013: 6 · 2012: 12
FWCI
0.79
Type
journal article
Language
en
Open access
closed
Locations
  • Lipids (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Eli Lilly and Company
  • Indiana University-Purdue University Indianapolis
  • National Institute of General Medical Sciences (IR15GM45959-01)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant biochemistry and biosynthesis
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
Keywords
ergosterol biosynthesis, late genes, Saccharomyces cerevisiae, gene cloning, ERG1, ERG11, ERG3, ERG6, ERG2
MeSH terms
Cloning, Molecular, Ergosterol, Genes, Fungal, Lanosterol, Saccharomyces cerevisiae, Squalene, Time Factors

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