Cells treated with low doses of linoleic acid hydroperoxide (LoaOOH) exhibit a cell-cycle delay that may provide a mechanism to overcome oxidative stress. Strains sensitive to LoaOOH from the genome-wide deletion collection were screened to identify deletants in which the cell-cycle delay phenotype was reduced. Forty-seven deletants were identified that were unable to mount the normal delay response, implicating the product of the deleted gene in the oxidant-mediated cell-cycle delay of the wild-type. Of these genes, SWI6 was of particular interest due to its role in cell-cycle progression through Start. The swi6 deletant strain was delayed on entry into the cell cycle in the absence of an oxidant, and oxidant addition caused no further delay. Transforming the swi6 deletant with SWI6 on a plasmid restored the G1 arrest in response to LoaOOH, indicating that Swi6p is involved in oxidant sensing leading to cell division delay. Micro-array studies identified genes whose expression in response to LoaOOH depended on SWI6. The screening identified 77 genes that were upregulated in the wild-type strain and concurrently downregulated in the swi6 deletant treated with LoaOOH. These data show that functions such as heat shock response, and glucose transport are involved in the response.
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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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