Telomeres, the protein-DNA structures present at the termini of linear chromosomes, are capable of conferring a reversible repression of Pol II- and Pol III-transcribed genes positioned in adjacent subtelomeric regions. This phenomenon, termed telomeric silencing, is likely to be the consequence of a more global telomere position effect at the level of chromatin structure. To understand the role of telomere structure in this position effect, we have developed an assay to distinguish between the heritability of transcriptionally repressed and derepressed states in yeast. We have previously demonstrated that an elongated telomeric tract leads to hyperrepression of telomere-adjacent genes. We show here that the predominant effect of elongated telomeres is to increase the inheritance of the repressed state in cis. Interestingly, the presence of elongated telomeres overcomes the partial requirement of yCAF-1 in silencing. We propose that the formation of a specific telomeric structure is necessary for the heritability of repressed subtelomeric chromatin.
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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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