2024
Yeast 26S proteasome nuclear import is coupled to nucleus-specific degradation of the karyopherin adaptor protein Sts1
Breckel C, Johnson Z, Hickey C, Hochstrasser M. Yeast 26S proteasome nuclear import is coupled to nucleus-specific degradation of the karyopherin adaptor protein Sts1. Scientific Reports 2024, 14: 2048. PMID: 38267508, PMCID: PMC10808114, DOI: 10.1038/s41598-024-52352-5.Peer-Reviewed Original ResearchConceptsProteasome storage granulesNuclear importUbiquitin-independent proteasomal degradationProteasome degradation in vitroYeast Saccharomyces cerevisiaeProlonged glucose starvationNuclear import factorsUbiquitin-proteasome systemProteasome interactionGlucose starvationKaryopherin proteinsProteasomal degradationNuclear transportCellular homeostasisDegradation in vivoSTS1KaryopherinProtein degradationProteasomeDegradation in vitroGlucose refeedingStorage granulesProteinEukaryotesRanGTP
2023
Proteasomes: Isolation and Activity Assays
Li Y, Tomko R, Hochstrasser M. Proteasomes: Isolation and Activity Assays. Current Protocols 2023, 3: e717. PMID: 37026813, PMCID: PMC10337785, DOI: 10.1002/cpz1.717.Peer-Reviewed Original ResearchConceptsRegulatory particleOne-step purification schemeCore particlesMultisubunit protease complexUbiquitin-proteasome systemUbiquitin polypeptidesUnneeded proteinsYeast SaccharomycesProtein substratesProtease complexProteasomeGel filtration stepPurification schemeProteolytic activityEukaryotesSaccharomycesPolypeptideProteinSubstrateAssaysComplexes
1999
A new protease required for cell-cycle progression in yeast
Li S, Hochstrasser M. A new protease required for cell-cycle progression in yeast. Nature 1999, 398: 246-251. PMID: 10094048, DOI: 10.1038/18457.Peer-Reviewed Original ResearchMeSH KeywordsCarrier ProteinsCell Cycle ProteinsCloning, MolecularCysteine EndopeptidasesEscherichia coliFungal ProteinsG2 PhaseHumansMitosisMolecular Sequence DataMutagenesisRecombinant Fusion ProteinsRepressor ProteinsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence Homology, Amino AcidSmall Ubiquitin-Related Modifier ProteinsSubstrate SpecificitySUMO-1 ProteinUbiquitinsConceptsSUMO-1Cell cycleUbl-specific proteasesUbiquitin-like proteinCell cycle progressionG2/M phaseProtein functionSmt3Cellular proteinsDeubiquitinating enzymeUlp1Distant similarityUbiquitinHuman pathogensM phaseProteinEssential roleNew proteaseProteaseViral proteaseProtein conjugationEukaryotesMutantsUBLYeast
1998
Ubiquitin-Dependent Degradation of Transcription Regulators
Hochstrasser M, Kornitzer D. Ubiquitin-Dependent Degradation of Transcription Regulators. 1998, 279-302. DOI: 10.1007/978-1-4899-1922-9_9.Peer-Reviewed Original ResearchTranscription factorsTranscription regulatorsBacterial transcription factorsYeast transcription factorUbiquitin-dependent degradationUbiquitin-proteasome pathwayActivity of proteinsTranscription factor c-FosMain regulatory proteinTranscription initiationCellular proteinsRegulatory proteinsC-MycProteinMost cellsRegulatorIntracellular levelsExamples of degradationC-fosRapid modulationPathwayNumerous levelsEukaryotesMATα2Σ32
1992
Ubiquitin and intracellular protein degradation
Hochstrasser M. Ubiquitin and intracellular protein degradation. Current Opinion In Cell Biology 1992, 4: 1024-1031. PMID: 1336669, DOI: 10.1016/0955-0674(92)90135-y.Peer-Reviewed Original ResearchConceptsEukaryotic cell regulationConjugation of ubiquitinUbiquitin systemProteolytic targetingProtein degradationIntracellular proteinsProtein turnoverCell regulationDiverse arrayUbiquitinCentral roleProteinEukaryotesMajor routeUbiquitinationProteaseEnzymeDegradationPathwayRegulationRecent workTargetingTurnoverPeptides