The chromatin-assembly factor I (CAF-I) and the replication-coupling assembly factor (RCAF) complexes function in chromatin assembly during DNA replication and repair and play a role in the maintenance of genome stability. Here, we have investigated their role in checkpoints and S-phase progression. FACS analysis of mutants lacking Asf1 or Cac1 as well as various checkpoint proteins indicated that normal rates of S-phase progression in asf1 mutants have a strong requirement for replication checkpoint proteins, whereas normal S-phase progression in cac1 mutants has only a weak requirement for either replication or DNA-damage checkpoint proteins. Furthermore, asf1 mutants had high levels of Ddc2.GFP foci that were further increased in asf1 dun1 double mutants consistent with a requirement for checkpoint proteins in S-phase progression in asf1 mutants, whereas cac1 mutants had much lower levels of Ddc2.GFP foci that were not increased by a dun1 mutation. Our data suggest that RCAF defects lead to unstable replication forks that are then stabilized by replication checkpoint proteins, whereas CAF-I defects likely cause different types of DNA damage.
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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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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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