2015
Slow-growing cells within isogenic populations have increased RNA polymerase error rates and DNA damage
van Dijk D, Dhar R, Missarova AM, Espinar L, Blevins WR, Lehner B, Carey LB. Slow-growing cells within isogenic populations have increased RNA polymerase error rates and DNA damage. Nature Communications 2015, 6: 7972. PMID: 26268986, PMCID: PMC4557116, DOI: 10.1038/ncomms8972.Peer-Reviewed Original ResearchConceptsTranscriptional stress responseDNA damageDNA damage responseIsogenic populationsRNA polymerase fidelityDamage responseTranscriptional differencesIsogenic cellsEnvironmental stressCell variabilityStress responseGrowth ratePolymerase fidelityCulture conditionsPolymerase error rateOxidative stressCellsSuch cellsSame environmentTranscriptomeTransposonSubpopulationsTranscriptsGenotypicStress
2013
Two DNA-encoded strategies for increasing expression with opposing effects on promoter dynamics and transcriptional noise
Dadiani M, van Dijk D, Segal B, Field Y, Ben-Artzi G, Raveh-Sadka T, Levo M, Kaplow I, Weinberger A, Segal E. Two DNA-encoded strategies for increasing expression with opposing effects on promoter dynamics and transcriptional noise. Genome Research 2013, 23: 966-976. PMID: 23403035, PMCID: PMC3668364, DOI: 10.1101/gr.149096.112.Peer-Reviewed Original ResearchConceptsPromoter dynamicsExpression variabilityPromoter transitionsSingle-cell time-lapse microscopyInactive stateSequence changesNucleosome-disfavoring sequencesCis-regulatory elementsProcess of transcriptionActive stateNumber of transcriptsTime-lapse microscopyCell populationsTranscriptional noiseTranscriptional dynamicsSite resultsTranscription factorsDNA sequencesGene expressionMean expressionIdentical populationsIndividual cellsSequence resultsExpression levelsTranscripts