2002
Deoxyribozymes: new activities and new applications
Emilsson G, Breaker R. Deoxyribozymes: new activities and new applications. Cellular And Molecular Life Sciences 2002, 59: 596-607. PMID: 12022469, PMCID: PMC11337523, DOI: 10.1007/s00018-002-8452-4.Peer-Reviewed Original Research
2001
Immobilized RNA switches for the analysis of complex chemical and biological mixtures
Seetharaman S, Zivarts M, Sudarsan N, Breaker R. Immobilized RNA switches for the analysis of complex chemical and biological mixtures. Nature Biotechnology 2001, 19: 336-341. PMID: 11283591, DOI: 10.1038/86723.Peer-Reviewed Original ResearchConceptsDrug analytesMetal ionsBiological mixturesBiosensor arrayAnalyte sensorRNA molecular switchComplex mixturesComplex chemicalMolecular switchEnzyme cofactorMixtureRNA switchesBacterial culture mediumAnalytesMoietyIonsGoldImmobilizationCorresponding effectorsChemicalsStatus of targetAddressable pixelsRibozymeCofactorCooperative binding of effectors by an allosteric ribozyme
Jose A, Soukup G, Breaker R. Cooperative binding of effectors by an allosteric ribozyme. Nucleic Acids Research 2001, 29: 1631-1637. PMID: 11266567, PMCID: PMC31269, DOI: 10.1093/nar/29.7.1631.Peer-Reviewed Original ResearchConceptsAllosteric ribozymesCooperative bindingModular rational designAbsence of effectorsAllosteric proteinsRNA modulesRNA structureMolecular switchAllosteric effectorsFirst bindsFunctional complexityEffectorsDifferent effectorsInduces formationFMNStructural studiesRNARibozymeRibozyme constructsBindingRational designProteinBindsSitesConcert
2000
Altering molecular recognition of RNA aptamers by allosteric selection11Edited by D. E. Draper
Soukup G, Emilsson G, Breaker R. Altering molecular recognition of RNA aptamers by allosteric selection11Edited by D. E. Draper. Journal Of Molecular Biology 2000, 298: 623-632. PMID: 10788325, DOI: 10.1006/jmbi.2000.3704.Peer-Reviewed Original ResearchCapping DNA with DNA †
Li Y, Liu Y, Breaker R. Capping DNA with DNA †. Biochemistry 2000, 39: 3106-3114. PMID: 10715132, DOI: 10.1021/bi992710r.Peer-Reviewed Original Research
1999
Allosteric selection of ribozymes that respond to the second messengers cGMP and cAMP
Koizumi M, Soukup G, Kerr J, Breaker R. Allosteric selection of ribozymes that respond to the second messengers cGMP and cAMP. Nature Structural & Molecular Biology 1999, 6: 1062-1071. PMID: 10542100, DOI: 10.1038/14947.Peer-Reviewed Original ResearchConceptsRNA molecular switchGenetic control elementsMolecular recognition characteristicsEmergence of ribozymesSecond messenger cGMPRNAs exhibitAllosteric ribozymesRNA transcriptsCellular RNASelective sensorCAMP additionMolecular switchFold activationCatalytic rateRecognition characteristicsRibozymeControl elementsEffector compoundsHammerhead ribozymeChemical agentsCompoundsStructural characteristicsSpecific nucleosideNew combinatorial strategyCombinatorial strategiesDesign of allosteric hammerhead ribozymes activated by ligand-induced structure stabilization
Soukup G, Breaker R. Design of allosteric hammerhead ribozymes activated by ligand-induced structure stabilization. Structure 1999, 7: 783-791. PMID: 10425680, DOI: 10.1016/s0969-2126(99)80102-6.Peer-Reviewed Original ResearchEngineering precision RNA molecular switches
Soukup G, Breaker R. Engineering precision RNA molecular switches. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 3584-3589. PMID: 10097080, PMCID: PMC22337, DOI: 10.1073/pnas.96.7.3584.Peer-Reviewed Original ResearchConceptsRNA molecular switchMolecular switchGenetic control elementsEnzyme engineering strategiesRNA switchesReceptor domainConformational changesControl elementsEngineering strategiesStructural bridgeModular natureMolecular sensorsStructural reorganizationCorresponding ligandsRNARibozymeSwitchLigandsCatalyticReceptorsTripartite constructsReorganizationDomain
1998
Cleaving DNA with DNA
Carmi N, Balkhi S, Breaker R. Cleaving DNA with DNA. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 2233-2237. PMID: 9482868, PMCID: PMC19303, DOI: 10.1073/pnas.95.5.2233.Peer-Reviewed Original Research
1997
Rational design of allosteric ribozymes
Tang J, Breaker R. Rational design of allosteric ribozymes. Cell Chemical Biology 1997, 4: 453-459. PMID: 9224568, DOI: 10.1016/s1074-5521(97)90197-6.Peer-Reviewed Original ResearchConceptsAllosteric regulationAllosteric ribozymesEffector moleculesProtein enzymesActive siteCatalytic ratePresence of dATPSelf-cleaving ribozymesSmall effector moleculesPresence of ATPSmall molecule receptorRational design strategyCellular processesEnzyme active siteAptamer domainAllosteric controlAllosteric enzymeCatalytic RNARNA aptamersConformational changesLigand moleculesMetabolic pathwaysCatalytic activityAllosteric hammerheadCatalytic features
1996
In vitro selection of self-cleaving DNAs
Carmi N, Shultz L, Breaker R. In vitro selection of self-cleaving DNAs. Cell Chemical Biology 1996, 3: 1039-1046. PMID: 9000012, DOI: 10.1016/s1074-5521(96)90170-2.Peer-Reviewed Original ResearchConceptsIndividual catalystsCatalytic DNAEnzyme-like activityChemical transformationsSole cofactorRate enhancementAdditional reactionsCu2DNA enzymeCatalystDNA cleavageBiological contextVitro SelectionUncatalyzed rateOxidative mechanismsDNAFurther optimizationDistinct classesRibozymeHydroxylDeoxyribozymesBiocatalystReactionCleavageCofactor
1994
A DNA enzyme that cleaves RNA
Breaker R, Joyce G. A DNA enzyme that cleaves RNA. Cell Chemical Biology 1994, 1: 223-229. PMID: 9383394, DOI: 10.1016/1074-5521(94)90014-0.Peer-Reviewed Original ResearchConceptsDNA enzymeRNA enzymeDependent cleavageSimilarity of DNATypes of RNACatalytic domainDNA sequencesRandom nucleotidesRapid turnoverRNASuccessive roundsEnzymeDNACatalytic rateSelective amplificationBiological systemsTurnover rateSequenceCleavageIntermolecular contextNucleotidesPopulationTurnoverPhosphoesters