In eukaryotic cells, autophagy is a degradative pathway necessary for the turnover of bulk cytoplasm. In yeast, this pathway also mediates the specific transport of a vacuolar hydrolase zymogen, precursor aminopeptidase (prApe1), from the cytoplasm to the vacuole. Autophagy is under precise regulation, not only qualitatively but also quantitatively, especially in the steps involved in the vesicle formation process. We have recently used a fluorescence microscopy-based method to study the stoichiometry of autophagy-related (Atg) proteins during different conditions. This analysis shows that increased expression of Atg11 in the cytoplasm to vacuole targeting (Cvt) pathway increases the amount of this protein localized at the phagophore assembly site (PAS). In turn, under nutrient-rich conditions, the increased level of Atg11 causes the recruitment of higher than normal levels of Atg8 and Atg9 to the PAS, resulting in the formation of more Cvt vesicles, whereas the vesicle size is not affected. Combined with results from previous studies in starvation conditions, in this addendum we discuss the possible role of Atg8 and Atg9 in quantitatively regulating the vesicle formation process.
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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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