Cited by 51Genomics and Chromatin DynamicsFungal and yeast genetics researchNuclear Structure and Function

Gcn5 facilitates Pol II progression, rather than recruitment to nucleosome-depleted stress promoters, in Schizosaccharomyces pombe

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Sansó, Miriam, Vargas-Pérez, Itzel, Quintales, Luis, Antequera, Francisco, Ayté, José, Hidalgo, Elena·2011·Nucleic Acids Research

Abstract

In the fission yeast, the MAP kinase Sty1 and the transcription factor Atf1 regulate up to 400 genes in response to environmental signals, and both proteins have been shown to bind to their promoters in a stress-dependent manner. In a genetic search, we have isolated the histone H3 acetyltransferase Gcn5, a component of the SAGA complex, as being essential for oxidative stress survival and activation of those genes. Upon stress, Gcn5 is recruited to promoters and coding sequences of stress genes in a Sty1- and Atf1-dependent manner, causing both an enhanced acetylation of histone H3 and nucleosome eviction. Unexpectedly, recruitment of RNA polymerase II (Pol II) is not impaired in Δgcn5 cells. We show here that stress genes display a 400-bp long nucleosome depleted region upstream of the transcription start site even prior to activation. Stress treatment does not alter promoter nucleosome architecture, but induces eviction of the downstream nucleosomes at stress genes, which is not observed in Δgcn5 cells. We conclude that, while Pol II is recruited to nucleosome-free stress promoters in a transcription factor dependent manner, Gcn5 mediates eviction of nucleosomes positioned downstream of promoters, allowing efficient Pol II progression along the genes.

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  • Gcn5-dependent histone acetylation probably increases binding of T cell receptor-induced factors such as NF-κB or NFAT that matter for Il9 expression after antigen receptor stimulation, or may help general transcription factors including RNA polymerase II.

    “Gcn5-dependent histone acetylation likely increases binding of T cell receptor-induced factors such as NF-κB or NFAT that are important for Il9 gene expression following antigen receptor stimulation (27) or may facilitate the function of general transcription factors including RNA polymerase II (49).”

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Authors
Sansó, M., Vargas-Pérez, I., Quintales, L., Antequera, F., Ayté, J., & Hidalgo, E.
Affiliations
Universitat Pompeu Fabra (ES)
Corresponding author
Hidalgo, Elena
Venue
Nucleic Acids Research
Published
2011-04-22
Volume
39
Issue
15
Pages
6369-6379
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2035849174
Cited by
51
References
58
Citations by year
2026: 2 · 2025: 1 · 2024: 1 · 2023: 3 · 2022: 5 · 2021: 1 · 2020: 2 · 2019: 6 · 2018: 3 · 2017: 5 · 2016: 4 · 2015: 2 · 2014: 3 · 2013: 6 · 2012: 5
FWCI
2.08
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • RECERCAT (Consorci de Serveis Universitaris de Catalunya) (publishedVersion, other-oa)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by-nc)
  • Repositori digital de la UPF (Universitat Pompeu Fabra) (submittedVersion, cc-by-nc)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
Keywords
GCN5, RNA polymerase II, nucleosome eviction, nucleosome-depleted regions, oxidative stress response, SAGA complex, transcriptional activation, promoter architecture, Schizosaccharomyces pombe
MeSH terms
p300-CBP-Associated Factor, Acetylation, Acetyltransferases, Histones, Nucleosomes, Phosphoproteins, Promoter Regions, Genetic, RNA Polymerase II, Schizosaccharomyces, Stress, Physiological, Transcriptional Activation, Gene Expression Regulation, Fungal, Gene Deletion, Mitogen-Activated Protein Kinases, Schizosaccharomyces pombe Proteins, Activating Transcription Factor 1

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