2024
Engineered Branaplam Aptamers Exploit Structural Elements from Natural Riboswitches
Mohsen M, Midy M, Balaji A, Breaker R. Engineered Branaplam Aptamers Exploit Structural Elements from Natural Riboswitches. ACS Chemical Biology 2024, 19: 1447-1452. PMID: 38954594, PMCID: PMC11267568, DOI: 10.1021/acschembio.4c00358.Peer-Reviewed Original ResearchRNA poolRiboswitch aptamerAptamer candidatesPaired elementsIn vitro selectionNatural riboswitchesHuntington's diseaseThiamine pyrophosphateAptamer developmentRiboswitchDrug candidatesAptamerStructural scaffoldBranaplamRNASpinal muscular atrophyImproved bindingTreat spinal muscular atrophySmall moleculesBioavailability characteristicsDissociation constantPseudoknotMuscular atrophyStructural elementsPool
2023
In vitro Selection and in vivo Testing of Riboswitch-inspired Aptamers
Mohsen M, Breaker R. In vitro Selection and in vivo Testing of Riboswitch-inspired Aptamers. Bio-protocol 2023, 13: e4775. PMID: 37456339, PMCID: PMC10338711, DOI: 10.21769/bioprotoc.4775.Peer-Reviewed Original ResearchAptamer candidatesSubsequent biochemical validationComplex cellular environmentVitro selection protocolSelfish sequencesRiboswitch aptamerNext-generation sequencingRNA poolBacterial cell cultureExpression platformCellular environmentBacterial cellsBiochemical validationStructural scaffoldLigand candidatesCell culturesSelection protocolAptamerRiboswitchNew ligandsSelectionBioinformaticsSequencingScaffold typesSequenceExploiting natural riboswitches for aptamer engineering and validation
Mohsen M, Midy M, Balaji A, Breaker R. Exploiting natural riboswitches for aptamer engineering and validation. Nucleic Acids Research 2023, 51: 966-981. PMID: 36617976, PMCID: PMC9881172, DOI: 10.1093/nar/gkac1218.Peer-Reviewed Original ResearchConceptsNatural riboswitchesRiboswitch aptamerReporter gene expressionSecondary structure featuresRNA poolExpression platformVivo functionGene expressionSurvival mechanismRNA sequencesStructural featuresRiboswitchAptamer selectionSmall moleculesSequenceAptamerCellsGuanineTest tubeFuture effortsSelectionSelection strategyExpressionPoolAptamer engineering
2008
In Vitro Selection and Characterization of Cellulose-Binding RNA Aptamers Using isothermal Amplification
Boese B, Corbino K, Breaker R. In Vitro Selection and Characterization of Cellulose-Binding RNA Aptamers Using isothermal Amplification. Nucleosides Nucleotides & Nucleic Acids 2008, 27: 949-966. PMID: 18696364, PMCID: PMC5360192, DOI: 10.1080/15257770802257903.Peer-Reviewed Original ResearchConceptsRNA aptamersRibozyme cleavage productsCellulose affinity chromatographyIsolation of RNARapid amplificationVitro SelectionRibozyme functionRibozyme sequenceFunctional nucleic acidsNucleic acid amplification protocolsRNARobust bindingAffinity chromatographyCleavage productsNucleic acidsSequence replicationBindingSignificant bindingAptamerAmplification protocolAmplification
2006
Riboswitches: Natural Metabolite‐binding RNAs Controlling Gene Expression
Roth A, Welz R, Breaker R. Riboswitches: Natural Metabolite‐binding RNAs Controlling Gene Expression. 2006, 191-207. DOI: 10.1002/3527608192.ch8.Peer-Reviewed Original ResearchRiboswitches as Genetic Control Elements
Nahvi A, Breaker R. Riboswitches as Genetic Control Elements. 2006, 89-106. DOI: 10.1007/978-0-387-47257-7_6.Peer-Reviewed Original ResearchGene control mechanismsCertain messenger RNAsGenetic control elementsGene expression systemRNA stabilityExpression platformRNA elementsExpression systemRiboswitchRNA structureLigand bindingMRNA transcriptionMessenger RNATarget metabolitesControl elementsTranscriptionControl mechanismsGenesRNABacteriaBindingExpressionTranslationMetabolitesAptamer
2000
Molecular Recognition of cAMP by an RNA Aptamer †
Koizumi M, Breaker R. Molecular Recognition of cAMP by an RNA Aptamer †. Biochemistry 2000, 39: 8983-8992. PMID: 10913311, DOI: 10.1021/bi000149n.Peer-Reviewed Original Research
1999
Allosteric ribozymes sensitive to the second messengers cAMP and cGMP.
Koizumi M, Kerr J, Soukup G, Breaker R. Allosteric ribozymes sensitive to the second messengers cAMP and cGMP. Nucleic Acids Symposium Series 1999, 42: 275-6. PMID: 10780486, DOI: 10.1093/nass/42.1.275.Peer-Reviewed Original Research