Background: Understanding of the firing time determination of replication origins in the entire genome will require a genome-wide survey of replication origins and their mapping on chromosomes. A microarray technology was applied to obtain a genome-wide profile of DNA replication and to classify early firing origins.
Results: A total of 260 potential replication origins (PROs) were identified in the entire budding yeast genome: 247 as defined peaks on the replication profile and 13 as regions located in the chromosomal termini. Based on the firing time, the 247 PROs were classified into 143 early PROs and 104 late PROs, that were not randomly distributed on chromosomes but formed separated clusters. Most of the early PROs were found to fire in the presence of hydroxyurea, indicating that they were free from the control of the intra-S-checkpoint mediated by Mec1 and Rad53.
Conclusions: The monitoring method of DNA replication and the analysis method of microarray data used in this study proved powerful for obtaining a genome-wide view of the initiation and progression of DNA replication.
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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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