Iron deprivation induces transcription of genes required for iron uptake, and transcription factor Aft1 and Aft2 mediate this by regulating transcriptional program in Saccharomyces cerevisiae. Iron-dependent Fe(II) and 2-oxoglutarate-dependent dioxygenase family proteins are involved in various cellular pathways including DNA alkylation damage repair. Whether Aft1/Aft2 are required for DNA alkylation repair is currently unknown. In this report, we have analyzed DNA alkylation repair under iron-deprived condition. Saccharomyces cerevisiae Tpa1 is a member of Fe(II) and 2-oxoglutarate-dependent dioxygenase family, and we show that deletion of AFT1 and AFT2 genes affects Tpa1 function resulting in sensitivity to alkylating agent methyl methane sulfonate (MMS). Deletion of AFT1 and AFT2 along with base excision repair pathway DNA glycosylase MAG1 renders the aft1Δaft2Δmag1Δ mutant highly sensitive to MMS. We have further studied effect of iron depletion by replacing S. cerevisiae Tpa1 with Escherichia coli AlkB and human AlkBH3. We observed that the activity of AlkB and AlkBH3 is also diminished similarly when present in aft1Δaft2Δ background as evident by sensitivity to MMS.
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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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