2021
Phosphorylation of a Human Microprotein Promotes Dissociation of Biomolecular Condensates
Na Z, Luo Y, Cui DS, Khitun A, Smelyansky S, Loria JP, Slavoff SA. Phosphorylation of a Human Microprotein Promotes Dissociation of Biomolecular Condensates. Journal Of The American Chemical Society 2021, 143: 12675-12687. PMID: 34346674, PMCID: PMC8564862, DOI: 10.1021/jacs.1c05386.Peer-Reviewed Original ResearchConceptsMembraneless organellesSmall open reading framesP-body dynamicsLiquid-liquid phase separationOpen reading frameGrowth factor signalingPresence of RNAEvolutionary conservationP-bodiesCellular processesCell divisionReading frameProteogenomic identificationFactor signalingMacromolecular complexesBiomolecular condensatesSecondary structureAmino acidsCell growthMicroproteinsPhosphorylationCell proliferationOrganellesBiophysical processesProliferation
2020
Discovery of cellular substrates of human RNA-decapping enzyme DCP2 using a stapled bicyclic peptide inhibitor
Luo Y, Schofield JA, Na Z, Hann T, Simon MD, Slavoff SA. Discovery of cellular substrates of human RNA-decapping enzyme DCP2 using a stapled bicyclic peptide inhibitor. Cell Chemical Biology 2020, 28: 463-474.e7. PMID: 33357462, PMCID: PMC8052284, DOI: 10.1016/j.chembiol.2020.12.003.Peer-Reviewed Original ResearchConceptsRNA decayEnzyme DCP2P-bodiesDCP2Genetic approachesRNA substratesBicyclic peptide inhibitorsHuman RNAExpression changesCellular substratesPhage display selectionSelective chemical inhibitorsChemical inhibitorsHuman cellsGenetic ablationBicyclic peptide ligandsPeptide inhibitorCP21Display selectionPeptide ligandsHigh affinityRegulomeTranscriptionInhibitorsPowerful toolThe NBDY Microprotein Regulates Cellular RNA Decapping
Na Z, Luo Y, Schofield JA, Smelyansky S, Khitun A, Muthukumar S, Valkov E, Simon MD, Slavoff SA. The NBDY Microprotein Regulates Cellular RNA Decapping. Biochemistry 2020, 59: 4131-4142. PMID: 33059440, PMCID: PMC7682656, DOI: 10.1021/acs.biochem.0c00672.Peer-Reviewed Original ResearchConceptsP-bodiesNonsense-mediated decay factorsKO cellsSmall open reading framesCytoplasmic ribonucleoprotein granulesOpen reading frameSubstrate transcriptsCellular transcriptomeRibonucleoprotein granulesTarget transcriptsRNA stabilityKnockout cellsUTR lengthReading frameGlobal profilingProteogenomic identificationMacromolecular complexesHuman RNACellular RNACytoplasmic RNAGene stabilityAmino acidsCell growthMicroproteinsTranscriptsGlobal Profiling of Cellular Substrates of Human Dcp2
Luo Y, Schofield J, Simon MD, Slavoff SA. Global Profiling of Cellular Substrates of Human Dcp2. Biochemistry 2020, 59: 4176-4188. PMID: 32365300, PMCID: PMC7641959, DOI: 10.1021/acs.biochem.0c00069.Peer-Reviewed Original ResearchConceptsDecapping enzymeFirst committed stepCellular transcriptsP-bodiesRNA decayCommitted stepHuman transcriptomeMammalian cellsMolecular marksKnockout cellsGlobal profilingConsensus sequenceCellular substratesDCP2Human cellsTranscriptsEnzymeEnzyme substrateCellsDistinct subsetsTranscriptomeAdditive effectEnrichmentRNACytoplasm
2018
P‑Bodies: Composition, Properties, and Functions
Luo Y, Na Z, Slavoff SA. P‑Bodies: Composition, Properties, and Functions. Biochemistry 2018, 57: 2424-2431. PMID: 29381060, PMCID: PMC6296482, DOI: 10.1021/acs.biochem.7b01162.Peer-Reviewed Original ResearchConceptsP-bodiesMRNA decayMRNA decay machineryLiquid-liquid phase separationP-body functionPost-transcriptional regulationDecay machineryProcessing bodiesTranslational repressionEukaryotic cellsCytoplasmic ribonucleoproteinCellular localizationRibonucleoproteinMolecular compositionRecent advancesRepressionMachineryProteinMRNARegulationFunctionCellsLocalizationDiscoveryComposition