The fidelity of chromosome segregation requires that the cohesin protein complex bind together newly replicated sister chromatids both at centromeres and at discrete sites along chromosome arms. Segregation of the yeast 2 micro plasmid also requires cohesin, which is recruited to the plasmid partitioning locus. Here we report that the RSC chromatin-remodeling complex regulates the differential association of cohesin with centromeres and chromosome arms. RSC cycles on and off chromosomal arm and plasmid cohesin binding sites in a cell cycle-regulated manner 15 min preceding Mcd1p, the central cohesin subunit. We show that in rsc mutants Mcd1p fails to associate with chromosome arms but still binds to centromeres, and that consequently, the arm regions of mitotic sister chromosomes separate precociously while cohesion at centromeres is unaffected. Our data suggest a role for RSC in facilitating the loading of cohesin specifically onto chromosome arms, thereby ensuring sister chromatid cohesion and proper chromosome segregation.
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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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