The process of coordinated DNA replication and nucleosome assembly, termed replication-coupled (RC) nucleosome assembly, is important for the maintenance of genome integrity. Loss of genome integrity is linked to aging and cancer. RC nucleosome assembly involves deposition of histone H3-H4 by the histone chaperones CAF-1, Rtt106 and Asf1 onto newly-replicated DNA. Coordinated actions of these three histone chaperones are regulated by modifications on the histone proteins. One such modification is histone H3 lysine 56 acetylation (H3K56Ac), a mark of newly-synthesized histone H3 that regulates the interaction between H3-H4 and the histone chaperones CAF-1 and Rtt106 following DNA replication and DNA repair. Recently, we have shown that the lysine acetyltransferase Gcn5 and H3 N-terminal tail lysine acetylation also regulates the interaction between H3-H4 and CAF-1 to promote the deposition of newly-synthesized histones. Genetic studies indicate that Gcn5 and Rtt109, the H3K56Ac lysine acetyltransferase, function in parallel to maintain genome stability. Utilizing synthetic genetic array analysis, we set out to identify additional genes that function in parallel with Gcn5 in response to DNA damage. We summarize here the role of Gcn5 in nucleosome assembly and suggest that Gcn5 impacts genome integrity via multiple mechanisms, including nucleosome assembly.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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| Evidence ID | Analyze ID | File | Description |
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