The acidic environments in the vacuole and other acidic organelles are important for many cellular processes in eukaryotic cells. In this study, we comprehensively investigated the roles of organelle acidification in vacuolar protein localisation in Saccharomyces cerevisiae. After repressing the acidification of acidic compartments by treatment with concanamycin A, a specific inhibitor of vacuolar H(+)-ATPase (V-ATPase), we examined the localisation of GFP-fused proteins that were predicted to localise in the vacuolar lumen or on the vacuolar membrane. Of the 73 proteins examined, 19 changed their localisation to the cytoplasmic region. Localisation changes were evaluated quantitatively using the image processing programme CalMorph. The delocalised proteins included vacuolar hydrolases, V-ATPase subunits, transporters and enzymes for membrane biogenesis, as well as proteins required for protein transport. These results suggest that many alterations in the localisation of vacuolar proteins occur after loss of the acidification of acidic compartments.
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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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