2023
Screening for small molecule inhibitors of SAH nucleosidase using an SAH riboswitch
Sadeeshkumar H, Balaji A, Sutherland A, Mootien S, Anthony K, Breaker R. Screening for small molecule inhibitors of SAH nucleosidase using an SAH riboswitch. Analytical Biochemistry 2023, 666: 115047. PMID: 36682579, PMCID: PMC11149561, DOI: 10.1016/j.ab.2023.115047.Peer-Reviewed Original ResearchConceptsHigh-throughput screenAutoinducer-2Reporter geneBacterial processesEssential bacterial processesGram-negative bacterial cellsQuorum sensing signalsΒ-galactosidase reporter geneSmall molecule inhibitorsAntibiotic drug discoveryNatural riboswitchesAntimicrobial drug developmentRNA elementsPhysiological signalingRiboswitchBacterial cellsMolecule inhibitorsS-adenosylmethionineEscherichia coliCritical functionsNew targetsGenesDrug discoverySmall moleculesPromising target
2018
High Throughput Validation of Orphan Riboswitch Candidates
Arachchilage G, Sherlock M, White N, Panchapakesan S, Breaker R. High Throughput Validation of Orphan Riboswitch Candidates. The FASEB Journal 2018, 32: lb18-lb18. DOI: 10.1096/fasebj.2018.32.1_supplement.lb18.Peer-Reviewed Original ResearchRiboswitch candidatesRiboswitch classesIntergenic regionCognate ligandsS-adenosylmethionineLong intergenic regionCis-acting genesDiscovery of riboswitchesExperimental Biology 2018 MeetingImportant biological pathwaysHigh-throughput validationHigh-throughput strategyS-adenosylhomocysteineComparative genomicsRecent bioinformaticsBacterial mRNAsLine probingRNA elementsRiboswitchGenetic validationReporter assaysBiological pathwaysComputational approachThroughput strategyFASEB Journal
2009
A plant 5S rRNA mimic regulates alternative splicing of transcription factor IIIA pre‐mRNAs
Hammond M, Wachter A, Breaker R. A plant 5S rRNA mimic regulates alternative splicing of transcription factor IIIA pre‐mRNAs. The FASEB Journal 2009, 23: 665.4-665.4. DOI: 10.1096/fasebj.23.1_supplement.665.4.Peer-Reviewed Original ResearchTranscription factor IIIAAlternative splicingDiverse plant lineagesRibosomal protein L5RNA polymerase IIIProtein-mRNA interactionsStructured RNA elementsPlant lineagesProtein L5Ribosomal componentsRibosomal RNAPolymerase IIIRNA elementsRRNA synthesisPrecursor mRNASplice productsStructural mimicrySplicingProtein expressionRRNARNAFunctional adaptationMRNANatural partnersLineages
2008
Gene Regulation by Riboswitches
Breaker R. Gene Regulation by Riboswitches. The FASEB Journal 2008, 22: 97.3-97.3. DOI: 10.1096/fasebj.22.1_supplement.97.3.Peer-Reviewed Original ResearchGene expressionRiboswitch classesS-adenosylmethionineUntranslated regionWidespread riboswitch classesS-adenosylhomocysteineControl gene expressionDiversity of mechanismsGene regulationAlternative splicingModern organismsBacterial mRNAsUncharacterized mechanismRiboswitchRNA elementsMolecular switchFunctional potentialAptamer structureRNADiversityExpressionMRNAEukaryotesSplicingGenes
2006
Riboswitches 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