Cited by 21Genomics and Chromatin DynamicsChromatin Remodeling and CancerNuclear Structure and Function

The Saccharomyces cerevisiae Histone Chaperone Rtt106 Mediates the Cell Cycle Recruitment of SWI/SNF and RSC to the HIR-Dependent Histone Genes

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Ferreira, Monica E., Flaherty, Kacie, Prochasson, Philippe·2011·PLoS ONE

Abstract

BACKGROUND: In Saccharomyces cerevisiae, three out of the four histone gene pairs (HTA1-HTB1, HHT1-HHF1, and HHT2-HHF2) are regulated by the HIR co-repressor complex. The histone chaperone Rtt106 has recently been shown to be present at these histone gene loci throughout the cell cycle in a HIR- and Asf1-dependent manner and involved in their transcriptional repression. The SWI/SNF and RSC chromatin remodeling complexes are both recruited to the HIR-dependent histone genes; SWI/SNF is required for their activation in S phase, whereas RSC is implicated in their repression outside of S phase. Even though their presence at the histone genes is dependent on the HIR complex, their specific recruitment has not been well characterized. In this study we focused on characterizing the role played by the histone chaperone Rtt106 in the cell cycle-dependent recruitment of SWI/SNF and RSC complexes to the histone genes. METHODOLOGY/PRINCIPAL FINDINGS: Using GST pull-down and co-immunoprecipitation assays, we showed that Rtt106 physically interacts with both the SWI/SNF and RSC complexes in vitro and in vivo. We then investigated the function of this interaction with respect to the recruitment of these complexes to HIR-dependent histone genes. Using chromatin immunoprecipitation assays (ChIP), we found that Rtt106 is important for the recruitment of both SWI/SNF and RSC complexes to the HIR-dependent histone genes. Furthermore, using synchronized cell cultures, we showed by ChIP assays that the Rtt106-dependent SWI/SNF recruitment to these histone gene loci is cell cycle regulated and restricted to late G1 phase just before the peak of histone gene expression in S phase. CONCLUSIONS/SIGNIFICANCE: Overall, these data strongly suggest that the interaction between the histone chaperone Rtt106 and both the SWI/SNF and RSC chromatin remodeling complexes is important for the cell cycle regulated recruitment of these two complexes to the HIR-dependent histone genes.

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Authors
Ferreira, M. E., Flaherty, K., & Prochasson, P.
Affiliations
University of Kansas Medical Center (US)
Corresponding author
Prochasson, Philippe
Venue
PLoS ONE
Published
2011-06-15
Volume
6
Issue
6
Pages
e21113
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2056036222
Cited by
21
References
36
Citations by year
2025: 2 · 2022: 2 · 2021: 2 · 2019: 1 · 2018: 2 · 2017: 2 · 2014: 2 · 2013: 2 · 2012: 3
FWCI
1.30
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Leukemia and Lymphoma Society
  • Kansas Bioscience Authority
  • Pennsylvania State University
  • Kansas IDeA Network of Biomedical Research Excellence (RR016475)
  • National Center for Research Resources (P20RR016475)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
Keywords
histone chaperone, SWI/SNF complex, RSC complex, histone gene transcription, cell cycle regulation, chromatin remodeling, Asf1, G1 phase, Saccharomyces cerevisiae
MeSH terms
Cell Cycle, Chromosomal Proteins, Non-Histone, Protein Binding, Saccharomyces cerevisiae, Molecular Chaperones, Saccharomyces cerevisiae Proteins, Immunoprecipitation

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