Research Topics
| Yi Tao YuSummaryAffiliation: University of Rochester Country: USA Publications
Research Grants
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Detail Information
Publications
Internal modification of U2 small nuclear (sn)RNA occurs in nucleoli of Xenopus oocytesY T Yu
Department of Molecular Biophysics and Biochemistry, Boyer Center for Molecular Medicine, Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, Connecticut 06536, USA
J Cell Biol 152:1279-88. 2001..Analysis of additional chimeric U2 RNAs reveals a correlation between internal modification and nucleolar localization. Together, our results suggest that U2 internal modification occurs within the nucleolus...
Targeted 2'-O methylation at a nucleotide within the pseudoknot of telomerase RNA reduces telomerase activity in vivoChao Huang
Department of Biochemistry and Biophysics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
Mol Cell Biol 30:4368-78. 2010..Our results demonstrate that RNA-guided RNA modification is a highly useful approach for modulating telomerase activity...
Pseudouridines in spliceosomal snRNAsAndrew T Yu
Department of Biochemistry and Biophysics, Center for RNA Biology, University of Rochester Medical Center, Rochester, NY 14642, USA
Protein Cell 2:712-25. 2011....
Functions and mechanisms of spliceosomal small nuclear RNA pseudouridylationGuowei Wu
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY, USA
Wiley Interdiscip Rev RNA 2:571-81. 2011..Experimental data also indicate that spliceosomal snRNA pseudouridylation can be catalyzed by both RNA-dependent (box H/ACA Ribonucleoproteins) and RNA-independent (protein-only enzymes) mechanisms...
A flexible RNA backbone within the polypyrimidine tract is required for U2AF65 binding and pre-mRNA splicing in vivoChun Chen
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY 14642, USA
Mol Cell Biol 30:4108-19. 2010..This pseudouridine effect can also be applied to other pre-mRNA polypyrimidine tracts. Thus, our work demonstrates that in vivo binding of U2AF(65) to a polypyrimidine tract requires a flexible RNA backbone...
Pseudouridylation (Psi) of U2 snRNA in S. cerevisiae is catalyzed by an RNA-independent mechanismXiaoju Ma
Department of Biochemistry and Biophysics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
EMBO J 22:1889-97. 2003..A BLAST search revealed Pus7 homologs in various organisms...
Pseudouridylation of yeast U2 snRNA is catalyzed by either an RNA-guided or RNA-independent mechanismXiaoju Ma
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY 14642, USA
EMBO J 24:2403-13. 2005..Our data indicate that snRNA pseudouridylation can be catalyzed by both RNA-dependent and RNA-independent mechanisms...
Spliceosomal snRNA modifications and their functionJohn Karijolich
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY, USA
RNA Biol 7:192-204. 2010..The role of spliceosomal snRNA modifications in snRNP biogenesis and spliceosome assembly has also been verified...
Regulation of pre-mRNA splicing in Xenopus oocytes by targeted 2'-O-methylationJunhui Ge
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, New York 14642, USA
RNA 16:1078-85. 2010..Our results demonstrate that RNA-guided pre-mRNA modification can occur in the nucleoplasm of vertebrate cells, thus offering a powerful tool for molecular biology research...
U2 snRNA is inducibly pseudouridylated at novel sites by Pus7p and snR81 RNPGuowei Wu
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY 14642, USA
EMBO J 30:79-89. 2011..Our results thus demonstrate for the first time that pseudouridylation of RNA can be induced at sites of imperfect sequences, and that Pus7p and snR81 RNP can catalyse both constitutive and inducible pseudouridylation...
Quantitative analysis of RNA modificationsJohn Karijolich
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY, USA
Methods Mol Biol 629:21-32. 2010..This procedure involves a number of techniques, including oligonucleotide-affinity selection, site-specific cleavage and radiolabeling, nuclease digestion, and thin layer chromatography...
Inducing nonsense suppression by targeted pseudouridylationChao Huang
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, New York, USA
Nat Protoc 7:789-800. 2012..Thus, the experimental procedures described in this protocol may provide a novel way to treat PTC-related diseases. This protocol takes 10-13 d to complete...
RNA modifications: a mechanism that modulates gene expressionJohn Karijolich
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY, USA
Methods Mol Biol 629:1-19. 2010..In this chapter, we highlight the functional aspects of the modifications of spliceosomal snRNA and rRNA and provide a framework for understanding how posttranscriptional modifications are capable of influencing gene expression...
Post-transcriptional modification of RNAs by artificial Box H/ACA and Box C/D RNPsChao Huang
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, NY, USA
Methods Mol Biol 718:227-44. 2011..Here, we present strategies for constructing guide RNAs and manipulating RNA modifications in the nucleus...
Converting nonsense codons into sense codons by targeted pseudouridylationJohn Karijolich
Department of Biochemistry and Biophysics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, New York 14642, USA
Nature 474:395-8. 2011..Our results also suggest that RNA modification, as a naturally occurring mechanism, may offer a new way to expand the genetic code...
RNA pseudouridylation: new insights into an old modificationJunhui Ge
Department of Biochemistry and Biophysics, Center for RNA Biology, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
Trends Biochem Sci 38:210-8. 2013....
Incorporation of 5-fluorouracil into U2 snRNA blocks pseudouridylation and pre-mRNA splicing in vivoXinliang Zhao
Department of Biochemistry and Biophysics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
Nucleic Acids Res 35:550-8. 2007..This mechanism may contribute substantially to 5FU-mediated cell death...
Functionality and substrate specificity of human box H/ACA guide RNAsMu Xiao
Department of Biochemistry and Biophysics, University of Rochester Medical Center, Rochester, New York 14642, USA
RNA 15:176-86. 2009..We found that the predictions of one program (snoGPS) agreed with our experimental results with 100% sensitivity (12/12) and 75% specificity (3/4)...
Targeted pre-mRNA modification for gene silencing and regulationXinliang Zhao
Department of Biochemistry and Biophysics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, New York 14642, USA
Nat Methods 5:95-100. 2008..We targeted other essential intron-containing genes, and observed a similar phenotype. We demonstrated that a Box C/D RNA can guide modification at the pre-mRNA branch point, thus silencing its expression and inducing cell death...
Research Grants
- Targeted pre-mRNA modification and gene silencingYi Tao Yu; Fiscal Year: 2007..We believe that our novel method will prove effective and useful in mammalian systems as well as in yeast. ..
- Spliceosomal snRNA modification in Xenopus oocytesYi Tao Yu; Fiscal Year: 2007..Identification of mRNA/pre- mRNA modifications will form the basis for future functional analyses. ..
- Spliceosomal snRNA modification in Xenopus oocytesYi Tao Yu; Fiscal Year: 2005..We will use a variety of biochemical approaches to search for such putative guide RNAs and to identify the modifying activity responsible for 2'-O-methylation and pseudouridylation. ..
- Spliceosomal snRNA modification in Xenopus oocytesYi Tao Yu; Fiscal Year: 2009..Identification of mRNA/pre- mRNA modifications will form the basis for future functional analyses. ..
