In yeast, long chain acyl-CoA synthetase (ACSL) activity is required for fatty acid uptake, metabolism and fatty acid-dependent transcriptional control. The major ACSL contributing these functions is Faa1p. In a yeast two-hybrid screen, the Omi/HtrA serine protease family orthologue Ynm3p (YNL123w) was identified as a specific interactor with Faa1p. Interaction of Ynm3p and Faa1p was confirmed by co-immunoprecipitation. Disruption of the YNM3 gene encoding Ynm3p resulted in increased fatty acid uptake, triglyceride accumulation and reduced expression of the fatty acid-responsive OLE1 gene encoding the essential Delta(9)-acyl-CoA desaturase. These changes were linked with increased Faa1p and Faa4p ACSL activities. We propose that Ynm3p modulates fatty acid metabolism and gene regulation through negative regulation of ACSL activity. Additional strain-specific phenotypes associated with deletion of YNM3 included inability to grow on non-fermentable carbon sources and altered cellular morphology.
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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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