2009
Drosophila hnRNP A1 homologs Hrp36/Hrp38 enhance U2-type versus U12-type splicing to regulate alternative splicing of the prospero twintron
Borah S, Wong AC, Steitz JA. Drosophila hnRNP A1 homologs Hrp36/Hrp38 enhance U2-type versus U12-type splicing to regulate alternative splicing of the prospero twintron. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 2577-2582. PMID: 19196985, PMCID: PMC2636732, DOI: 10.1073/pnas.0812826106.Peer-Reviewed Original ResearchConceptsU12-type splicingPurine-rich elementAlternative splicingMRNA undergoes alternative splicingTranscription factor ProsperoU12-type spliceosomeHeterogeneous nuclear ribonucleoprotein A1Undergoes alternative splicingU2-type spliceosomeDrosophila homologDrosophila embryogenesisS2 cellsHnRNP A1TwintronSplicingNeuronal differentiationHrp38SpliceosomeIntronsEmbryogenesisProteinAxonal outgrowthHrp36HnRNPsHomolog
2005
Symplekin and multiple other polyadenylation factors participate in 3′-end maturation of histone mRNAs
Kolev NG, Steitz JA. Symplekin and multiple other polyadenylation factors participate in 3′-end maturation of histone mRNAs. Genes & Development 2005, 19: 2583-2592. PMID: 16230528, PMCID: PMC1276732, DOI: 10.1101/gad.1371105.Peer-Reviewed Original ResearchConceptsTail elongationU7 small nuclear ribonucleoproteinCommon molecular machineryMammalian cell extractsCleavage stimulation factorPolyadenylation specificity factorSmall nuclear ribonucleoproteinMolecular machineryHistone mRNAProtein complexesMRNA cleavageSpecificity factorPolyadenylation factorsTranslational activationNuclear ribonucleoproteinSymplekinReconstitution experimentsCell extractsHeat-labile factorMessenger RNAHistonesMRNAStimulation factorSubunitsCytoplasmic
2002
The splicing of U12‐type introns can be a rate‐limiting step in gene expression
Patel AA, McCarthy M, Steitz JA. The splicing of U12‐type introns can be a rate‐limiting step in gene expression. The EMBO Journal 2002, 21: 3804-3815. PMID: 12110592, PMCID: PMC126102, DOI: 10.1093/emboj/cdf297.Peer-Reviewed Original ResearchConceptsU12-type intronsGene expressionDrosophila melanogaster S2 cellsProtein-coding genesU12-type spliceosomePost-transcriptional regulationHuman tissue culture cellsU2-type intronsMetazoan genomesTissue culture cellsS2 cellsU12-typeIntron removalIdentical mRNAIntronsFluorescent proteinQuantitative RT-PCR assayMinigene constructsCulture cellsRate-limiting stepSpliceosomeMRNAMinor classExpressionRT-PCR assays
1987
Structural analysis of the human U3 ribonucleoprotein particle reveal a conserved sequence available for base pairing with pre-rRNA.
Parker KA, Steitz JA. Structural analysis of the human U3 ribonucleoprotein particle reveal a conserved sequence available for base pairing with pre-rRNA. Molecular And Cellular Biology 1987, 7: 2899-2913. PMID: 2959855, PMCID: PMC367909, DOI: 10.1128/mcb.7.8.2899.Peer-Reviewed Original ResearchConceptsProtein-RNA interactionsSecondary structureSubsequent reverse transcriptionRNA secondary structureHuman U3Phosphorylated proteinsRibonucleoprotein particleProcessing eventsAlternative functionsBase pairsNucleotides -159Specific nucleasesHeLa cellsProtein constituentsRNase ARNPProteinNonphosphorylated proteinsRRNAReverse transcriptionSequenceKilodaltonsNucleotides 65Specific reagentsTranscription