ArticleNucleic acids research2011
Composition of yeast snRNPs and snoRNPs in the absence of trimethylguanosine caps reveals nuclear cap binding protein as a gained U1 component implicated in the cold-sensitivity of tgs1Δ cells.
Article in Nucleic acids research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 33 citations in OpenAlex.
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- Maturation and shuttling of the yeast telomerase RNP: assembling something new using recycled parts.Current genetics · 2022Review
- The SR-protein Npl3 is an essential component of the meiotic splicing regulatory network in Saccharomyces cerevisiae.Nucleic acids research · 2021Article
- Loss of the RNA trimethylguanosine cap is compatible with nuclear accumulation of spliceosomal snRNAs but not pre-mRNA splicing or snRNA processing during animal development.PLoS genetics · 2020Article
- RNA-protein interaction mapping via MS2- or Cas13-based APEX targeting.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Loss of Human TGS1 Hypermethylase Promotes Increased Telomerase RNA and Telomere Elongation.Cell reports · 2020Article
- Heterogeneous Nuclear Ribonucleoprotein H1 Coordinates with Phytochrome and the U1 snRNP Complex to Regulate Alternative Splicing inThe Plant cell · 2019Article
- Distinct Functions of the Cap-Binding Complex in Stimulation of Nuclear mRNA Export.Molecular and cellular biology · 2019Article
- Domain Requirements and Genetic Interactions of the Mud1 Subunit of theG3 (Bethesda, Md.) · 2019Article
- The Joubert syndrome protein ARL13B binds tubulin to maintain uniform distribution of proteins along the ciliary membrane.Journal of cell science · 2018Article
- Nuclear fate of yeast snoRNA is determined by co-transcriptional Rnt1 cleavage.Nature communications · 2018Article
- The conserved AU dinucleotide at the 5' end of nascent U1 snRNA is optimized for the interaction with nuclear cap-binding-complex.Nucleic acids research · 2017Article
- Structure-function analysis and genetic interactions of the SmG, SmE, and SmF subunits of the yeast Sm protein ring.RNA (New York, N.Y.) · 2016Article
- Structure-function analysis and genetic interactions of the Luc7 subunit of the Saccharomyces cerevisiae U1 snRNP.RNA (New York, N.Y.) · 2016Article
- Structure-function analysis and genetic interactions of the Yhc1, SmD3, SmB, and Snp1 subunits of yeast U1 snRNP and genetic interactions of SmD3 with U2 snRNP subunit Lea1.RNA (New York, N.Y.) · 2015Article
- Two Routes to Genetic Suppression of RNA Trimethylguanosine Cap Deficiency via C-Terminal Truncation of U1 snRNP Subunit Snp1 or Overexpression of RNA Polymerase Subunit Rpo26.G3 (Bethesda, Md.) · 2015Article
- Structural basis for recognition of intron branchpoint RNA by yeast Msl5 and selective effects of interfacial mutations on splicing of yeast pre-mRNAs.RNA (New York, N.Y.) · 2015Article
- Structure-function analysis of the Yhc1 subunit of yeast U1 snRNP and genetic interactions of Yhc1 with Mud2, Nam8, Mud1, Tgs1, U1 snRNA, SmD3 and Prp28.Nucleic acids research · 2014Article
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3 authors at 2 institutions in 1 country.
Funding
Abstract
Small nuclear and nucleolar RNAs that program pre-mRNA splicing and rRNA processing have a signature 5'-trimethylguanosine (TMG) cap. Whereas the mechanism of TMG synthesis by Tgs1 methyltransferase has been elucidated, we know little about whether or how RNP biogenesis, structure and function are perturbed when TMG caps are missing. Here, we analyzed RNPs isolated by tandem-affinity purification from TGS1 and tgs1Δ yeast strains. The protein and U-RNA contents of total SmB-containing RNPs were similar. Finer analysis revealed stoichiometric association of the nuclear cap-binding protein (CBP) subunits Sto1 and Cbc2 with otherwise intact Mud1- and Nam8-containing U1 snRNPs from tgs1Δ cells. CBP was not comparably enriched in Lea1-containing U2 snRNPs from tgs1Δ cells. Moreover, CBP was not associated with mature Nop58-containing C/D snoRNPs or mature Cbf5- and Gar1-containing H/ACA snoRNPs from tgs1Δ cells. The protein composition and association of C/D snoRNPs with the small subunit (SSU) processosome were not grossly affected by absence of TMG caps, nor was the composition of H/ACA snoRNPs. The cold-sensitive (cs) growth defect of tgs1Δ yeast cells could be suppressed by mutating the cap-binding pocket of Cbc2, suggesting that ectopic CBP binding to the exposed U1 m(7)G cap in tgs1Δ cells (not lack of TMG caps per se) underlies the cs phenotype.
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