Cited by 453Cellular transport and secretionFungal and yeast genetics researchProtein Kinase Regulation and GTPase Signaling

Brefeldin A Acts to Stabilize an Abortive ARF–GDP–Sec7 Domain Protein Complex

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Peyroche, Anne, Antonny, Bruno, Robineau, Sylviane, Acker, Joel, Cherfils, Jacqueline, Jackson, Catherine L.·1999·Molecular Cell

Abstract

We demonstrate that the major in vivo targets of brefeldin A (BFA) in the secretory pathway of budding yeast are the three members of the Sec7 domain family of ARF exchange factors: Gea1p and Gea2p (functionally interchangeable) and Sec7p. Specific residues within the Sec7 domain are important for BFA inhibition of ARF exchange activity, since mutations in these residues of Gea1p (sensitive to BFA) and of ARNO (resistant to BFA) reverse the sensitivity of each to BFA in vivo and in vitro. We show that the target of BFA inhibition of ARF exchange activity is an ARF-GDP-Sec7 domain protein complex, and that BFA acts to stabilize this complex to a greater extent for a BFA-sensitive Sec7 domain than for a resistant one.

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Crossref · 10.1016/s1097-2765(00)80455-4

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38 of 38 references verified0 citation errors · 0 not checkable

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  • Brefeldin A inhibits Golgi functions by stabilizing ARF(GDP) with its guanine exchange factor ARNO.

    “The fungal metabolite brefeldin A (Fig. 4), a macrocyclic lactone used to study membrane trafficking, inhibits Golgi functions by stabilizing ARF(GDP) with its guanine exchange factor ARNO. 86,87”

    From Chasing molecular glue degraders: screening approaches (2022) · cites this paper as [87]

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Authors
Peyroche, A., Antonny, B., Robineau, S., Acker, J., Cherfils, J., & Jackson, C. L.
Affiliations
  • Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
Jackson, Catherine L.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
1999-03
Volume
3
Issue
3
Pages
275-285
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2078959581
Cited by
453
References
38
Citations by year
2026: 9 · 2025: 5 · 2024: 5 · 2023: 7 · 2022: 7 · 2021: 6 · 2020: 13 · 2019: 14 · 2018: 17 · 2017: 17 · 2016: 8 · 2015: 10 · 2014: 18 · 2013: 29 · 2012: 23
FWCI
8.94
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
brefeldin A, Sec7 domain, protein complex stabilization, secretory pathway, Saccharomyces cerevisiae, ARNO
MeSH terms
Amino Acid Sequence, Antifungal Agents, Drug Resistance, Microbial, Fungal Proteins, Guanosine Diphosphate, Guanosine Triphosphate, Kinetics, Molecular Sequence Data, Mutation, Recombinant Fusion Proteins, Saccharomyces cerevisiae, Gene Dosage, GTP-Binding Proteins, Amino Acid Substitution, Brefeldin A, Guanine Nucleotide Exchange Factors, GTPase-Activating Proteins, ADP-Ribosylation Factors, Saccharomyces cerevisiae Proteins

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