Pmp3p-related proteins are highly conserved proteins that exist in bacteria, yeast, nematodes and plants, and its transcript is regulated in response to abiotic stresses, such as low temperature or high salinity. Pmp3p was originally identified in Saccharomyces cerevisiae, and it belongs to the sensitive to Na(+) (SNA)-protein family, which comprises four members--Pmp3p/Sna1p, Sna2p, Sna3p and Sna4p. Deletion of the PMP3 gene conferred sensitivity to cytotoxic cations, whereas removal of the other SNA genes did not lead to clear phenotypic effects. It has long been believed that Pmp3p-related proteins have a common and important role in the modulation of plasma membrane potential and in the regulation of intracellular ion homeostasis. Here, we show that several growth phenotypes linked to PMP3 deletion can be modulated by the removal of specific genes involved in sphingolipid synthesis. These genetic interactions, together with lipid binding assays and epifluorescence microscopy, as well as other biochemical experiments, suggest that Pmp3p could be part of a phosphoinositide-regulated stress sensor.
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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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