Endoplasmic reticulum (ER) homeostasis is maintained by the removal of misfolded ER proteins via different quality control pathways. Aggregation-prone proteins, including certain disease-linked proteins, are resistant to conventional ER degradation pathways and require other disposal mechanisms. Reticulophagy is a disposal pathway that uses resident autophagy receptors. How these receptors, which are dispersed throughout the ER network, target a specific ER domain for degradation is unknown. We recently showed in budding yeast, that ER stress upregulates the reticulophagy receptor, triggering its association with the COPII cargo adaptor complex, Sfb3/Lst1-Sec23 (SEC24C-SEC23 in mammals), to discrete sites on the ER. These domains are packaged into phagophores for degradation to prevent the accumulation of protein aggregates in the ER. This unconventional role for Sfb3/Lst1 is conserved in mammals and is independent of its role as a cargo adaptor on the secretory pathway. Our findings may have important therapeutic implications in protein-aggregation linked neurodegenerative disorders.
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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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