2004
Guide RNAs with 5′ Caps and Novel Box C/D snoRNA-like Domains for Modification of snRNAs in Metazoa
Tycowski KT, Aab A, Steitz JA. Guide RNAs with 5′ Caps and Novel Box C/D snoRNA-like Domains for Modification of snRNAs in Metazoa. Current Biology 2004, 14: 1985-1995. PMID: 15556860, DOI: 10.1016/j.cub.2004.11.003.Peer-Reviewed Original ResearchConceptsModification guide RNAsGuide RNABox C/D snoRNAsInvariant G residueKink-turn structureGuide RNA genesShort guide RNASmall ribonucleoprotein particlesMetazoan organismsAncestral metazoanGuanosine capMetazoan cellsSingle intronD snoRNAsRNA genesSpliceosomal snRNAsTelomerase RNARibosomal RNASuch RNAsRibonucleoprotein particleMetazoansUpstream promoterIntronsG residuesCommon modification
2001
Internal Modification of U2 Small Nuclear (Snrna) Occurs in Nucleoli of Xenopus Oocytes
Yu Y, Shu M, Narayanan A, Terns R, Terns M, Steitz J. Internal Modification of U2 Small Nuclear (Snrna) Occurs in Nucleoli of Xenopus Oocytes. Journal Of Cell Biology 2001, 152: 1279-1288. PMID: 11257127, PMCID: PMC2199211, DOI: 10.1083/jcb.152.6.1279.Peer-Reviewed Original ResearchConceptsNucleolar localizationCajal bodiesU2 RNAInternal modificationSmall nuclearSm binding siteNucleolar localization signalSmall nucleolar RNAsXenopus oocytesCytoplasm of oocytesU2 small nuclearGuanosine capLocalization signalNucleolar RNAsRNAs showSubcellular sitesIntranuclear localizationIsolated nucleiRNABinding sitesNucleoliOocytesNucleotidesCytoplasmU2
1998
Modifications of U2 snRNA are required for snRNP assembly and pre‐mRNA splicing
Yu Y, Shu M, Steitz J. Modifications of U2 snRNA are required for snRNP assembly and pre‐mRNA splicing. The EMBO Journal 1998, 17: 5783-5795. PMID: 9755178, PMCID: PMC1170906, DOI: 10.1093/emboj/17.19.5783.Peer-Reviewed Original ResearchConceptsEnd of U2Native gel analysisPre-mRNA splicingU2 snRNP particleGlycerol gradient analysisPseudouridylation activityGuanosine capSnRNP assemblySpliceosomal snRNAsSplicing activityTMG capSpliceosome assemblyU2 RNAU2 snRNAU2 functionProtein profilesGel analysisSnRNP particlesXenopus oocytesInternal modificationSnRNASplicingPotent inhibitorU2Extensive modification