2025
Auto-sumoylation of the yeast Ubc9 E2 SUMO-conjugating enzyme extends cellular lifespan
Jeong D, Lee D, Kim S, Jeoung S, Zhao D, Knight J, Lam T, Jin J, Lee H, Hochstrasser M, Ryu H. Auto-sumoylation of the yeast Ubc9 E2 SUMO-conjugating enzyme extends cellular lifespan. Nature Communications 2025, 16: 3735. PMID: 40254622, PMCID: PMC12009981, DOI: 10.1038/s41467-025-58925-w.Peer-Reviewed Original ResearchConceptsE2 SUMO-conjugating enzymeSUMO-conjugating enzymeSUMO-specific proteasesPost-translational levelIn vitro evolutionSevere cellular stressCalorie restrictionRegulation of multiple targetsGene expression profilesIncreased mitochondrial activityCellular lifespanLifespan extensionReplicative lifespanCellular stressMitochondrial activityYeastCR-mediated lifespan extensionEnhanced growth rateEnzyme resultsDiverse processesExpression profilesLifespan effectsReplication abilityEnergy metabolismAged cells
2017
Protein O-GlcNAcylation: emerging mechanisms and functions
Yang X, Qian K. Protein O-GlcNAcylation: emerging mechanisms and functions. Nature Reviews Molecular Cell Biology 2017, 18: 452-465. PMID: 28488703, PMCID: PMC5667541, DOI: 10.1038/nrm.2017.22.Peer-Reviewed Original ResearchConceptsPost-translational modificationsO-GlcNAcylationAdaptor proteinGlcNAcylation levelsO-GlcNAc homeostasisTetratricopeptide repeat domainDiverse cellular processesProtein-protein interactionsOptimal cellular functionContext-dependent recruitmentPost-translational levelCell signaling dynamicsUnwanted protein aggregationCellular O-GlcNAcylationSubstrate-specific interactionsSpecific cell typesN-acetylglucosamine moietiesLevels of OGTGlcNAc signalingMitochondrial proteinsSpatiotemporal regulationCellular functionsCellular processesEpigenetic modificationsProtein substrates
2010
Chemical Inducers of Targeted Protein Degradation*
Raina K, Crews CM. Chemical Inducers of Targeted Protein Degradation*. Journal Of Biological Chemistry 2010, 285: 11057-11060. PMID: 20147751, PMCID: PMC2856979, DOI: 10.1074/jbc.r109.078105.Peer-Reviewed Original ResearchConceptsProtein degradationTargeted Protein DegradationPost-translational levelSubsequent phenotypic analysisProtein functionSelective gene inactivationCellular proteinsCellular phenotypesRNA interferenceGene inactivationSpecific proteinsChemical inducersPhenotypic analysisChemical inductionGenetic mutationsProteinGenesDegradationMutationsPhenotypeDecreased productionMRNAInducerInactivationInduction
2003
Stage-specific translational efficiency and protein stability regulate the developmental expression of p37, an RNA binding protein from Trypanosoma brucei
Li J, Ruyechan WT, Williams N. Stage-specific translational efficiency and protein stability regulate the developmental expression of p37, an RNA binding protein from Trypanosoma brucei. Biochemical And Biophysical Research Communications 2003, 306: 918-923. PMID: 12821129, DOI: 10.1016/s0006-291x(03)01084-2.Peer-Reviewed Original ResearchConceptsProcyclic stageP37 proteinVivo metabolic labelingRNA binding proteinPost-translational levelDifferential stabilityCysteine protease activityProcyclic cellsSignificant homologyBloodstream cellsDevelopmental regulationNovel RNAProtein stabilityTrypanosoma bruceiTranslational efficiencyMetabolic labelingPredominant proteinDevelopmental expressionBinding proteinP37P34ProteinProtease activityRNACells
1998
Localization and regulation of the cdk-activating kinase (Cak1p) from budding yeast
Kaldis P, Pitluk Z, Bany I, Enke D, Wagner M, Winter E, Solomon M. Localization and regulation of the cdk-activating kinase (Cak1p) from budding yeast. Journal Of Cell Science 1998, 111: 3585-3596. PMID: 9819350, DOI: 10.1242/jcs.111.24.3585.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCDC28 Protein Kinase, S cerevisiaeCyclin-Dependent Kinase-Activating KinaseCyclin-Dependent KinasesCytoplasmFluorescent Antibody TechniqueGene Expression Regulation, FungalIsoelectric FocusingMeiosisMolecular Sequence DataMutagenesis, Site-DirectedPhosphorylationProtein Serine-Threonine KinasesSaccharomyces cerevisiaeSubcellular FractionsConceptsBiochemical subcellular fractionationEukaryotic cell cyclePost-translational levelCyclin-dependent kinasesMajor CdkThreonine 169Two-dimensional isoelectric focusingCak1pPosttranslational modificationsStable proteinSubcellular fractionationMonomeric enzymeCell cycleYeastCDKKinaseCAKFurther characterizationPhosphorylationRegulationIsoelectric focusingPotential sitesCdc28pCellsMeiosis
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