2023
ALKBH5 modulates hematopoietic stem and progenitor cell energy metabolism through m6A modification-mediated RNA stability control
Gao Y, Zimmer J, Vasic R, Liu C, Gbyli R, Zheng S, Patel A, Liu W, Qi Z, Li Y, Nelakanti R, Song Y, Biancon G, Xiao A, Slavoff S, Kibbey R, Flavell R, Simon M, Tebaldi T, Li H, Halene S. ALKBH5 modulates hematopoietic stem and progenitor cell energy metabolism through m6A modification-mediated RNA stability control. Cell Reports 2023, 42: 113163. PMID: 37742191, PMCID: PMC10636609, DOI: 10.1016/j.celrep.2023.113163.Peer-Reviewed Original ResearchConceptsAlkB homolog 5Post-transcriptional regulatory mechanismsHematopoietic stemNumerous cellular processesProgenitor cell fitnessEnergy metabolismMitochondrial ATP productionMethyladenosine (m<sup>6</sup>A) RNA modificationTricarboxylic acid cycleCell energy metabolismHuman hematopoietic cellsMitochondrial energy productionCell fitnessCellular processesRNA modificationsRNA methylationRegulatory mechanismsEnzyme transcriptsATP productionHomolog 5Acid cycleΑ-ketoglutarateHematopoietic cellsMessenger RNAΑ-KG
2019
Reengineering a tRNA Methyltransferase To Covalently Capture New RNA Substrates
Smith TS, Zoltek MA, Simon MD. Reengineering a tRNA Methyltransferase To Covalently Capture New RNA Substrates. Journal Of The American Chemical Society 2019, 141: 17460-17465. PMID: 31626536, DOI: 10.1021/jacs.9b08529.Peer-Reviewed Original ResearchConceptsSubstrate specificityRNA substratesSubstrate RNARNA substrate specificityWild-type proteinCovalent RNA modificationsHigh-throughput sequencing assaysDouble mutantRNA modificationsTriple mutantSubstrate mutantsTRNA methyltransferaseProtein engineeringRNA transcriptsMutantsRational engineeringRNASubstrate screeningTRMASequencing assaysMethyltransferaseEnzymeProteinPowerful toolSpecificity