Featured Publications
Enhanced nucleotide chemistry and toehold nanotechnology reveals lncRNA spreading on chromatin
Machyna M, Kiefer L, Simon MD. Enhanced nucleotide chemistry and toehold nanotechnology reveals lncRNA spreading on chromatin. Nature Structural & Molecular Biology 2020, 27: 297-304. PMID: 32157249, DOI: 10.1038/s41594-020-0390-z.Peer-Reviewed Original ResearchConceptsHybridization capture approachGenome-wide changesLong non-coding RNAsUnfolded protein responseNon-coding RNAsStrand exchange reactionLncRNA localizationIndividual RNAsRNA captureUncharacterized changesX chromosomeProtein responseHeat shockChromatinLncRNAsRNACapture approachBinding sitesNucleic acidsNucleotide chemistryRoX2AutosomesChromosomesRelocalizationSpeciesHigh-resolution Xist binding maps reveal two-step spreading during X-chromosome inactivation
Simon MD, Pinter SF, Fang R, Sarma K, Rutenberg-Schoenberg M, Bowman SK, Kesner BA, Maier VK, Kingston RE, Lee JT. High-resolution Xist binding maps reveal two-step spreading during X-chromosome inactivation. Nature 2013, 504: 465-469. PMID: 24162848, PMCID: PMC3904790, DOI: 10.1038/nature12719.Peer-Reviewed Original Research
2022
Functional elements of the cis-regulatory lincRNA-p21
Winkler L, Jimenez M, Zimmer JT, Williams A, Simon MD, Dimitrova N. Functional elements of the cis-regulatory lincRNA-p21. Cell Reports 2022, 39: 110687. PMID: 35443176, PMCID: PMC9118141, DOI: 10.1016/j.celrep.2022.110687.Peer-Reviewed Original ResearchConceptsGene expression controlFull-length transcriptionDNA regulatory elementsCell cycle genesCDKN1A/p21P53-dependent expressionFunctional elementsChromatin organizationLncRNA lociNascent transcriptionRegulatory lociExpression controlCycle genesLncRNA transcriptsRegulatory elementsMolecular mechanismsTranscriptionExon 1LincRNA-p21LociP21 expressionGenetic modelsAccumulationExpressionSplicing
2021
Noncoding RNAs: biology and applications—a Keystone Symposia report
Cable J, Heard E, Hirose T, Prasanth KV, Chen L, Henninger JE, Quinodoz SA, Spector DL, Diermeier SD, Porman AM, Kumar D, Feinberg MW, Shen X, Unfried JP, Johnson R, Chen C, Wilusz JE, Lempradl A, McGeary SE, Wahba L, Pyle AM, Hargrove AE, Simon MD, Marcia M, Przanowska RK, Chang HY, Jaffrey SR, Contreras LM, Chen Q, Shi J, Mendell JT, He L, Song E, Rinn JL, Lalwani MK, Kalem MC, Chuong EB, Maquat LE, Liu X. Noncoding RNAs: biology and applications—a Keystone Symposia report. Annals Of The New York Academy Of Sciences 2021, 1506: 118-141. PMID: 34791665, PMCID: PMC9808899, DOI: 10.1111/nyas.14713.Peer-Reviewed Original ResearchConceptsPIWI-interacting RNAsKeystone Symposia reportPotential drug targetsRNA biologyHuman transcriptomeEpigenetic modificationsKeystone eSymposiumNoncoding RNAsCell signalingBasic biologyDrug targetsRNABiologyDisease mechanismsNucleotidesSpeciesTranscriptomeImportant roleRNAsTranscriptionSymposium reportSignalingTranslationRoleTarget
2019
Antisense lncRNA Transcription Mediates DNA Demethylation to Drive Stochastic Protocadherin α Promoter Choice
Canzio D, Nwakeze CL, Horta A, Rajkumar SM, Coffey EL, Duffy EE, Duffié R, Monahan K, O'Keeffe S, Simon MD, Lomvardas S, Maniatis T. Antisense lncRNA Transcription Mediates DNA Demethylation to Drive Stochastic Protocadherin α Promoter Choice. Cell 2019, 177: 639-653.e15. PMID: 30955885, PMCID: PMC6823843, DOI: 10.1016/j.cell.2019.03.008.Peer-Reviewed Original ResearchConceptsDNA demethylationAntisense promoterPromoter choiceHS5-1 enhancerCTCF binding siteNeural circuit assemblyMouse olfactory neuronsPcdhα genesDemethylation functionLncRNA transcriptionSense promoterAntisense transcriptionProtocadherin (Pcdh) αTET3 overexpressionTranscriptional statesAlternate genesPromoter DNAGene choiceDistal enhancerFirst exonPromoterTranscriptionΓ geneGenesOlfactory neurons
2018
Carbodiimide reagents for the chemical probing of RNA structure in cells
Wang PY, Sexton AN, Culligan WJ, Simon MD. Carbodiimide reagents for the chemical probing of RNA structure in cells. RNA 2018, 25: 135-146. PMID: 30389828, PMCID: PMC6298570, DOI: 10.1261/rna.067561.118.Peer-Reviewed Original ResearchConceptsConformation of RNAU nucleotidesIntact cellsChemical probesDimethyl sulfateNucleotides of RNASingle-stranded nucleotidesXist lncRNACellular contextNoncoding RNAsRNA elementsSHAPE reagentsAccessible nucleotidesRNA conformationRNA structureBiological contextChemical probingWatson-Crick faceCellular environmentFunctional roleCarbodiimide reagentRNA nucleotidesRNANucleotidesStructured regions
2017
Catching RNAs on chromatin using hybridization capture methods
Machyna M, Simon MD. Catching RNAs on chromatin using hybridization capture methods. Briefings In Functional Genomics 2017, 17: 96-103. PMID: 29126220, PMCID: PMC5888980, DOI: 10.1093/bfgp/elx038.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChromatinCross-Linking ReagentsHumansNucleic Acid HybridizationRNARNA, Long NoncodingConceptsRNA affinity purificationHybridization capture methodsCross-linked chromatin extractsGenome-wide scaleEnrichment of RNAInteraction of lncRNAsLncRNA localizationChromatin isolationChromatin extractsSite of interactionCapture methodAffinity purificationBiological roleRNA targetsHybridization analysisRNARNA purificationChromatinLncRNAsOligonucleotide hybridizationPurificationDevelopment of methodsProteinCapture experimentsHybridization
2015
Probing Xist RNA Structure in Cells Using Targeted Structure-Seq
Fang R, Moss WN, Rutenberg-Schoenberg M, Simon MD. Probing Xist RNA Structure in Cells Using Targeted Structure-Seq. PLOS Genetics 2015, 11: e1005668. PMID: 26646615, PMCID: PMC4672913, DOI: 10.1371/journal.pgen.1005668.Peer-Reviewed Original ResearchConceptsStructure-seqRNA structureRNA conformationNon-coding RNA XISTLong non-coding RNA XISTX-chromosome inactivationSecondary structure mappingRNA of interestXist lncRNAMolecular evolutionC-repeatLncRNA functionsHigher-order structureXist functionRNA functionMammalian cellsMaster regulatorXISTSequencing readsChemical probingParallel sequencingTarget RNARNA XISTRNA basesRNA