Organization of membrane micro-domains by Ypt/Rab GTPases is key for all membrane trafficking events in eukaryotic cells. Since autophagy is a membrane trafficking process, it was expected that these GTPases would play a role in autophagy as well. While evidence about participation of Ypt/Rabs in autophagy is beginning to emerge, the mechanisms by which they act in this process are still not clear. Moreover, it is still questionable if and how Ypt/Rabs coordinate autophagy with other cellular trafficking processes. Yeast Ypt1 and its mammalian homolog Rab1 are required for both endoplasmic reticulum (ER)-to-Golgi transport and autophagy, suggesting that they coordinate these two processes. In our recent paper, we identify Atg11, a bona fide phagophore assembly site (PAS) component, as a downstream effector of Ypt1. Moreover, we show that three components of a GTPase module--the Ypt1 activator, Trs85-containing TRAPP complex, Ypt1, and the Atg11 effector--interact on the PAS and are required for PAS formation during selective autophagy. We propose that Ypt/Rabs coordinate the secretory and the autophagic pathways by recruiting process-specific effectors.
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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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