2025
Transcription elongation factor ELOF1 is required for efficient somatic hypermutation and class switch recombination
Wu L, Yadavalli A, Senigl F, Matos-Rodrigues G, Xu D, Pintado-Urbanc A, Simon M, Wu W, Nussenzweig A, Schatz D. Transcription elongation factor ELOF1 is required for efficient somatic hypermutation and class switch recombination. Molecular Cell 2025 PMID: 40049160, DOI: 10.1016/j.molcel.2025.02.007.Peer-Reviewed Original ResearchRNA polymerase IITranscription-coupled nucleotide excision repairActivation-induced deaminaseClass switch recombinationSomatic hypermutationRNA polymerase II elongation complexDownstream of transcription start sitesRNA polymerase II transcriptionTranscription start siteSwitch recombinationMammalian B cellsImmunoglobulin (Ig) genesDNA cytidine deaminaseNucleotide excision repairPolymerase IISerine 5Transcribed genesTranscription elongationElongation complexStart siteGenetic screeningELOF1Excision repairTranscriptionProximity partners
2024
Transcription elongation defects link oncogenic SF3B1 mutations to targetable alterations in chromatin landscape
Boddu P, Gupta A, Roy R, De La Peña Avalos B, Olazabal-Herrero A, Neuenkirchen N, Zimmer J, Chandhok N, King D, Nannya Y, Ogawa S, Lin H, Simon M, Dray E, Kupfer G, Verma A, Neugebauer K, Pillai M. Transcription elongation defects link oncogenic SF3B1 mutations to targetable alterations in chromatin landscape. Molecular Cell 2024, 84: 1475-1495.e18. PMID: 38521065, PMCID: PMC11061666, DOI: 10.1016/j.molcel.2024.02.032.Peer-Reviewed Original ResearchRate of RNA polymerase IIChromatin landscapeElongation defectsElongation rate of RNA polymerase IIImpaired protein-protein interactionsSplicing of pre-messenger RNATranscription elongation defectsRNA polymerase IIProtein-protein interactionsPre-messenger RNACancer-associated mutationsIsogenic cell linesSin3/HDAC complexGene bodiesPolymerase IIChromatin accessibilityH3K4me3 markChromatin changesMutant SF3B1ChromatinMutant mouse modelsEpigenetic disordersEpigenetic factorsHuman diseasesMutant state
2021
Hyperosmotic stress alters the RNA polymerase II interactome and induces readthrough transcription despite widespread transcriptional repression
Rosa-Mercado NA, Zimmer JT, Apostolidi M, Rinehart J, Simon MD, Steitz JA. Hyperosmotic stress alters the RNA polymerase II interactome and induces readthrough transcription despite widespread transcriptional repression. Molecular Cell 2021, 81: 502-513.e4. PMID: 33400923, PMCID: PMC7867636, DOI: 10.1016/j.molcel.2020.12.002.Peer-Reviewed Original ResearchConceptsWidespread transcriptional repressionTranscriptional repressionPol IIIntegrator complex subunitsRNA polymerase IIGenome-wide lossStress-induced redistributionParental genesTranscriptional outputDoG inductionPolymerase IIChIP sequencingHuman cell linesUpstream geneComplex subunitsPolyadenylation factorsTranscription profilesReadthrough transcriptsCatalytic subunitIntegrator activityCellular stressHyperosmotic stressTranscriptional levelTranscription resultsGenes
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