The purpose of this study was to elucidate the mechanisms by which histone acetylation participates in transcriptional regulation of hsp70 (heat-shock protein 70) genes SSA3 and SSA4 in yeast. Our results indicated that histone acetylation was required for the transcriptional activation of SSA3 and SSA4. The HATs (histone acetyltransferases) Gcn5 (general control non-derepressible 5) and Elp3 (elongation protein 3) modulated hsp70 gene transcription by affecting the acetylation status of histone H3. Although the two HATs possessed overlapping function regarding the acetylation of histone H3, they affected hsp70 gene transcription in different ways. The recruitment of Gcn5 was Swi/Snf-dependent and was required for HSF (heat-shock factor) binding and affected RNAPII (RNA polymerase II) recruitment, whereas Elp3 exerted its roles mainly through affecting RNAPII elongation. These results provide insights into the effects of Gcn5 and Elp3 in hsp70 gene transcription and underscore the importance of histone acetylation for transcriptional initiation and elongation in hsp genes.
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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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