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
2017
An Exportin-1–dependent microRNA biogenesis pathway during human cell quiescence
Martinez I, Hayes KE, Barr JA, Harold AD, Xie M, Bukhari SIA, Vasudevan S, Steitz JA, DiMaio D. An Exportin-1–dependent microRNA biogenesis pathway during human cell quiescence. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: e4961-e4970. PMID: 28584122, PMCID: PMC5488920, DOI: 10.1073/pnas.1618732114.Peer-Reviewed Original ResearchConceptsBiogenesis pathwayExportin 1Exportin-5Canonical miRNA biogenesis pathwayCanonical miRNA biogenesisTrimethylguanosine synthase 1MicroRNA biogenesis pathwayMiRNA biogenesis pathwayMiRNA processing pathwayStem cell biologyCellular growth arrestGroup of miRNAsExpression of miRNAsPrimary human fibroblastsMiRNA biogenesisPrimary miRNAsCellular quiescenceTissue homeostasisCell biologyProliferative arrestSpecific miRNAsCell quiescenceGrowth arrestBiogenesisMiRNAs
2010
Down-Regulation of a Host MicroRNA by a Herpesvirus saimiri Noncoding RNA
Cazalla D, Yario T, Steitz JA. Down-Regulation of a Host MicroRNA by a Herpesvirus saimiri Noncoding RNA. Science 2010, 328: 1563-1566. PMID: 20558719, PMCID: PMC3075239, DOI: 10.1126/science.1187197.Peer-Reviewed Original ResearchConceptsHSURs 1Noncoding RNAsHost cell gene expressionMiR-27Binding-dependent mannerPotential binding sitesMiRNA pathwayHost cell microRNAsCoimmunoprecipitation experimentsEctopic expressionTarget genesTransient knockdownGene expressionUnknown functionHost microRNAsViral strategiesDown regulationBinding sitesMiRNAsMicroRNAsRNAExpressionCellsT cellsNcRNADown-Regulation of a Host microRNA by a Viral Noncoding RNA
Cazalla D, Steitz JA. Down-Regulation of a Host microRNA by a Viral Noncoding RNA. Cold Spring Harbor Symposia On Quantitative Biology 2010, 75: 321-324. PMID: 21139068, PMCID: PMC5647998, DOI: 10.1101/sqb.2010.75.009.Peer-Reviewed Original ResearchConceptsHerpesvirus saimiriNoncoding RNAsHost cell gene expressionMiR-27Binding-dependent mannerAU-rich elementsViral noncoding RNAMarmoset T cellsMiRNA pathwayHost cell microRNAsViral life cycleConserved sequencesEctopic expressionMammalian virusesTarget genesTransient knockdownMutational analysisGene expressionHost microRNAsHSUR1Viral strategiesBase pairingDown regulationPrimate herpesvirusesLytic phase