2017
Hoxa1 targets signaling pathways during neural differentiation of ES cells and mouse embryogenesis
De Kumar B, Parker H, Paulson A, Parrish M, Zeitlinger J, Krumlauf R. Hoxa1 targets signaling pathways during neural differentiation of ES cells and mouse embryogenesis. Developmental Biology 2017, 432: 151-164. PMID: 28982536, DOI: 10.1016/j.ydbio.2017.09.033.Peer-Reviewed Original ResearchConceptsTarget genesEar developmentES cellsDifferential gene expression analysisGenome-wide analysisNeural crest specificationFunctional rolePutative target genesTransgenic mouse embryosMajor signaling pathwaysNeural crest migrationRelevant target genesDown-stream componentsMouse ES cellsGene expression analysisImportant functional roleRetinoic acidEvolutionary conservationEpigenetic marksHox cofactorsMutant phenotypeMouse embryogenesisNearby genesNeural fateMouse developmentHOXA1 and TALE proteins display cross-regulatory interactions and form a combinatorial binding code on HOXA1 targets
De Kumar B, Parker H, Paulson A, Parrish M, Pushel I, Singh N, Zhang Y, Slaughter B, Unruh J, Florens L, Zeitlinger J, Krumlauf R. HOXA1 and TALE proteins display cross-regulatory interactions and form a combinatorial binding code on HOXA1 targets. Genome Research 2017, 27: 1501-1512. PMID: 28784834, PMCID: PMC5580710, DOI: 10.1101/gr.219386.116.Peer-Reviewed Original ResearchConceptsCross-regulatory interactionsTALE proteinsTALE membersCombinatorial binding patternsGenome-wide analysisGenome-wide basisCross-regulatory networkDiverse functional rolesMouse ES cellsHox cofactorsTALE familyFunctional diversityTransgenic reporterCombinatorial interactionsRegulatory networksHox-PbxProteomic analysisEnhancer activityHOXA1ES cellsFunctional roleProteinDistinct mechanismsBinding patternDistinct classesDynamic regulation of Nanog and stem cell-signaling pathways by Hoxa1 during early neuro-ectodermal differentiation of ES cells
De Kumar B, Parker H, Parrish M, Lange J, Slaughter B, Unruh J, Paulson A, Krumlauf R. Dynamic regulation of Nanog and stem cell-signaling pathways by Hoxa1 during early neuro-ectodermal differentiation of ES cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 5838-5845. PMID: 28584089, PMCID: PMC5468655, DOI: 10.1073/pnas.1610612114.Peer-Reviewed Original ResearchConceptsES cell differentiationRegulatory networksMutual repressionRegulatory regionsCell differentiationCore pluripotency networkGenome-wide mappingRegulation of pluripotencyPatterns of occupancyCell-signaling pathwaysPluripotency networkNanog bindsHox genesGenomic approachesCommon target sitesRetinoic acid treatmentTarget genesDynamic regulationES cellsMouse embryosMolecular mechanismsHOXA1GenesAlternate statesNanog
2015
Analysis of dynamic changes in retinoid-induced transcription and epigenetic profiles of murine Hox clusters in ES cells
De Kumar B, Parrish M, Slaughter B, Unruh J, Gogol M, Seidel C, Paulson A, Li H, Gaudenz K, Peak A, McDowell W, Fleharty B, Ahn Y, Lin C, Smith E, Shilatifard A, Krumlauf R. Analysis of dynamic changes in retinoid-induced transcription and epigenetic profiles of murine Hox clusters in ES cells. Genome Research 2015, 25: 1229-1243. PMID: 26025802, PMCID: PMC4510006, DOI: 10.1101/gr.184978.114.Peer-Reviewed Original ResearchConceptsChromatin modificationsHomeotic clustersHox genesES cellsClustered Hox genesHomeotic gene transcriptionMouse embryonic stem cellsNoncoding RNA genesRetinoid-induced transcriptionGenome-wide approachesCis-regulatory elementsEmbryonic stem cellsTranscription stateChromatin marksHOXB clusterNoncoding genesRNA genesSegmental identityActive transcriptionNoncoding RNAsTranscription factorsEpigenetic profilesGene transcriptionEpigenetic changesBody axis
2011
Dynamic transcriptional events in embryonic stem cells mediated by the super elongation complex (SEC)
Lin C, Garrett A, De Kumar B, Smith E, Gogol M, Seidel C, Krumlauf R, Shilatifard A. Dynamic transcriptional events in embryonic stem cells mediated by the super elongation complex (SEC). Genes & Development 2011, 25: 1486-1498. PMID: 21764852, PMCID: PMC3143939, DOI: 10.1101/gad.2059211.Peer-Reviewed Original ResearchConceptsSuper elongation complexEmbryonic stem cellsElongation complexPol IIDifferentiation signalsDynamic transcriptional eventsMurine embryonic stem cellsRNA polymerase IIStem cellsGlobal genomic analysisTranscription elongationPolymerase IITranscriptional regulationTranscriptional activationTranscriptional eventsGenomic analysisEnvironmental cuesES cellsGene expressionHuman cellsEnvironmental stimuliGenesEssential roleActivation signalsMajor classes