The Gpr1 protein of the ascomycetous yeast Yarrowia lipolytica belongs to the poorly characterized Gpr1/Fun34/YaaH protein family, members of which have thus far only been found in prokaryotes and lower eukaryotes. Trans-dominant mutations in the GPR1 gene result in acetic acid sensitivity of cells at low pH. Moreover, Gpr1p is subjected to phosphorylation at serine-37 in a carbon source-dependent manner. Here we show that several mutations within the ORFs of the GPR1 orthologues of Saccharomyces cerevisiae, YCR010c (ATO1) and YNR002c (ATO2), also trans-dominantly induce acetic acid hypersensitivity in this yeast. We demonstrate that the C-termini of mutated Gpr1p, Ycr010cp and Ynr002cp are necessary for the triggering of acetic acid sensitivity. Phosphorylation of Y. lipolytica Gpr1p was also affected by several mutations. Data further suggest that Gpr1p exists in an oligomeric state.
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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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