The association of chromosomes with each other and other nuclear components plays a critical role in nuclear organization and Genome function. Here, using a novel and generally applicable methodology (Genome conformation capture [GCC]), we reveal the network of chromosome interactions for the yeast Saccharomyces cerevisiae. Inter- and intra-chromosomal interactions are non-random and the number of interactions per open reading frame depends upon the dispensability of the gene product. Chromosomal interfaces are organized and provide evidence of folding within chromosomes. Interestingly, the genomic connections also involve the 2 microm plasmid and the mitochondrial genome. Mitochondrial interaction partners include genes of alpha-proteobacterial origin and the ribosomal DNA. Organization of the 2 microm plasmid aligns two inverted repeats (IR1 and IR2) and displays the stability locus on a prominent loop thus making it available for plasmid clustering. Our results form the first global map of chromosomal interactions in a eukaryotic nucleus and demonstrate the highly connected nature of the yeast genome. These results have significant implications for understanding eukaryotic genome organization.
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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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