The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Selective Inhibitors of the Proteasome-dependent and Vacuolar Pathways of Protein Degradation in Saccharomyces cerevisiae
Open accessAbstract
We have studied whether various agents that inhibit purified yeast and mammalian 26 S proteasome can suppress the breakdown of different classes of proteins in Saccharomyces cerevisiae. The degradation of short-lived proteins was inhibited reversibly by peptide aldehyde inhibitors of proteasomes, carbobenzoxyl-leucinyl-leucinyl-leucinal (MG132) and carbobenzoxyl-leucinyl-leucinyl-norvalinal (MG115), in a yeast mutant with enhanced permeability, but not in wild-type strains. Lactacystin, an irreversible proteasome inhibitor, had no effect, but the beta-lactone derivative of lactacystin, which directly reacts with proteasomes, inhibited the degradation of short-lived proteins. These inhibitors also blocked the rapid ubiquitin-dependent breakdown of a beta-galactosidase fusion protein and caused accumulation of enzymatically active molecules in cells. The degradation of the bulk of cell proteins, which are long-lived molecules, was not blocked by proteasome inhibitors, but could be blocked by phenylmethylsulfonyl fluoride. This agent, which inhibits multiple vacuolar proteases, did not affect the proteasome or breakdown of short-lived proteins. These two classes of inhibitors can thus be used to distinguish the cytosolic and vacuolar proteolytic pathways and to increase the cellular content of short-lived proteins.
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Cited by
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Metadata
- Authors
- Lee, D. H., & Goldberg, A. L.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 1996-11
- Volume
- 271
- Issue
- 44
- Pages
- 27280-27284
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2082788676
- Cited by
- 406
- References
- 32
- FWCI
- 4.70
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Lee, D. H., & Goldberg, A. L. (1996). Selective Inhibitors of the Proteasome-dependent and Vacuolar Pathways of Protein Degradation in Saccharomyces cerevisiae. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.271.44.27280
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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