2023
Impaired Early Spliceosome Complex Assembly Underlies Gene Body Elongation Transcription Defect in SF3B1K700E
Boddu P, Gupta A, Roy R, De La Pena Avalos B, Herrero A, Zimmer J, Simon M, Chandhok N, King D, Neuenkirchen N, Dray E, Lin H, Kupfer G, Verma A, Neugebauer K, Pillai M. Impaired Early Spliceosome Complex Assembly Underlies Gene Body Elongation Transcription Defect in SF3B1K700E. Blood 2023, 142: 714. DOI: 10.1182/blood-2023-187303.Peer-Reviewed Original ResearchSplicing factorsChIP-seqK562 cell lineKey regulatory genesCell linesSingle mutant alleleNon-denaturing gelsAlternative splicingTranscriptional kineticsRegulatory genesSpliceosome assemblySplicing efficiencyMRNA splicingCRISPR/Progenitor populationsNeomorphic functionsMolecular mechanismsMutant allelesIsoform changesGene editingNovel mechanismMutationsSF mutationsRecurrent mutationsAssembly kinetics
2016
Splicing of Nascent RNA Coincides with Intron Exit from RNA Polymerase II
Oesterreich F, Herzel L, Straube K, Hujer K, Howard J, Neugebauer KM. Splicing of Nascent RNA Coincides with Intron Exit from RNA Polymerase II. Cell 2016, 165: 372-381. PMID: 27020755, PMCID: PMC4826323, DOI: 10.1016/j.cell.2016.02.045.Peer-Reviewed Original ResearchConceptsRNA polymerase IIPolymerase IIPol IIProtein-coding genesPol II progressionRNA sequencing methodsGene expression pathwaysRate of transcriptionEndogenous genesSplicing catalysisSplicing profilesSpliceosome assemblyExpression pathwaysSpliced productsGene expressionIntronsSplicingSequencing methodsMechanistic insightsGenesRegulationKinetic competitionEukaryotesSpliceosomeTranscription
2013
The nuclear cap-binding complex interacts with the U4/U6·U5 tri-snRNP and promotes spliceosome assembly in mammalian cells
Pabis M, Neufeld N, Steiner MC, Bojic T, Shav-Tal Y, Neugebauer KM. The nuclear cap-binding complex interacts with the U4/U6·U5 tri-snRNP and promotes spliceosome assembly in mammalian cells. RNA 2013, 19: 1054-1063. PMID: 23793891, PMCID: PMC3708526, DOI: 10.1261/rna.037069.112.Peer-Reviewed Original ResearchMeSH KeywordsBinding SitesGenes, fosGuanosineHeLa CellsHumansModels, BiologicalNuclear Cap-Binding Protein ComplexProtein Interaction Domains and MotifsRibonucleoprotein, U1 Small NuclearRibonucleoprotein, U4-U6 Small NuclearRibonucleoprotein, U5 Small NuclearRNA InterferenceRNA PrecursorsRNA SplicingSpliceosomesConceptsCap-binding complexCotranscriptional spliceosome assemblyU4/Spliceosome assemblySpliceosomal snRNPsRNA polymerase II transcriptsNuclear cap-binding complexPolymerase II transcriptsRecruitment of U1RNA-independent fashionActive transcription unitsPre-mRNA splicingLive-cell imaging assaysNonsense-mediated decayNetwork of interactionsRNA biogenesisGuanosine capSnRNP biogenesisMiRNA biogenesisTri-snRNPSnRNA exportSnRNP proteinsTranscription unitChromatin immunoprecipitationMammalian cells
2011
Cotranscriptional spliceosome assembly and splicing are independent of the Prp40p WW domain
Görnemann J, Barrandon C, Hujer K, Rutz B, Rigaut G, Kotovic KM, Faux C, Neugebauer KM, Séraphin B. Cotranscriptional spliceosome assembly and splicing are independent of the Prp40p WW domain. RNA 2011, 17: 2119-2129. PMID: 22020974, PMCID: PMC3222125, DOI: 10.1261/rna.02646811.Peer-Reviewed Original ResearchConceptsC-terminal domainWW domainsSpliceosome assemblyU1 snRNPPol II C-terminal domainCotranscriptional spliceosome assemblyComplex cellular functionsRNA polymerase IIProtein-protein interactionsPre-mRNA splicingU2 snRNP recruitmentSplice site recognitionCotranscriptional recruitmentTranscriptional machineryPolymerase IIPol IIU5 snRNPLarge subunitSplicing factorsCellular functionsStable heterodimerComplex assemblyPrp40Spliceosome formationAffinity purification
2010
The differential interaction of snRNPs with pre-mRNA reveals splicing kinetics in living cells
Huranová M, Ivani I, Benda A, Poser I, Brody Y, Hof M, Shav-Tal Y, Neugebauer KM, Staněk D. The differential interaction of snRNPs with pre-mRNA reveals splicing kinetics in living cells. Journal Of Cell Biology 2010, 191: 75-86. PMID: 20921136, PMCID: PMC2953428, DOI: 10.1083/jcb.201004030.Peer-Reviewed Original ResearchConceptsSmall nuclear RNP particlesPrecursor messenger RNA splicingMessenger RNA splicingBinding of U1Live-cell imagingRate of splicingNuclear RNP particlesLarge ribonucleoproteinSnRNP componentsRNA splicingSpliceosome assemblyAdditional proteinsRNP particlesHuman cellsSplicingLiving cellsCell nucleiDifferential interactionsEndogenous levelsSpliceosomeMRNARibonucleoproteinCell imagingCore componentCells