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- Publications
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Rrp6p, the Yeast Homologue of the Human PM-Scl 100-kDa Autoantigen, Is Essential for Efficient 5.8 S rRNA 3′ End Formation*
- M. W. Briggs, K. Burkard, J. Butler
- Biology, Medicine
- The Journal of Biological Chemistry
- 22 May 1998
The eukaryotic 25 S, 18 S, and 5.8 S rRNAs are synthesized as a single transcript with two internal transcribed spacers (ITS1 and ITS2), which are removed by endo- and exoribonucleolytic steps to… Expand
Evidence for core exosome independent function of the nuclear exoribonuclease Rrp6p
- K. Callahan, J. Butler
- Biology, Medicine
- Nucleic acids research
- 21 October 2008
The RNA exosome processes and degrades RNAs in archaeal and eukaryotic cells. Exosomes from yeast and humans contain two active exoribonuclease components, Rrp6p and Dis3p/Rrp44p. Rrp6p is… Expand
A Nuclear 3′-5′ Exonuclease Involved in mRNA Degradation Interacts with Poly(A) Polymerase and the hnRNA Protein Npl3p
- K. Burkard, J. Butler
- Biology, Medicine
- Molecular and Cellular Biology
- 15 January 2000
ABSTRACT Inactivation of poly(A) polymerase (encoded by PAP1) inSaccharomyces cerevisiae cells carrying the temperature-sensitive, lethal pap1-1 mutation results in reduced levels of poly(A)+ mRNAs.… Expand
Degradation of Normal mRNA in the Nucleus of Saccharomyces cerevisiae
- B. Das, J. Butler, F. Sherman
- Biology, Medicine
- Molecular and Cellular Biology
- 15 August 2003
ABSTRACT A nuclear mRNA degradation (DRN) system was identified from analysis of mRNA turnover rates in nup116-Δ strains of Saccharomyces cerevisiae lacking the ability to export all RNAs, including… Expand
Targeted Delivery of RNAi Therapeutics With Endogenous and Exogenous Ligand-Based Mechanisms.
- A. Akinc, William Querbes, +22 authors M. Maier
- Biology, Medicine
- Molecular therapy : the journal of the American…
- 1 July 2010
Lipid nanoparticles (LNPs) have proven to be highly efficient carriers of short-interfering RNAs (siRNAs) to hepatocytes in vivo; however, the precise mechanism by which this efficient delivery… Expand
The yin and yang of the exosome.
- J. Butler
- Biology, Medicine
- Trends in cell biology
- 1 February 2002
Recent studies of the eukaryotic ribosomal RNA processing pathway have identified a complex of ten riboexonucleases called the exosome that plays a central role in the precise formation of the 3'… Expand
Polyadenylation of rRNA in Saccharomyces cerevisiae.
- Letian Kuai, F. Fang, J. Butler, F. Sherman
- Biology, Medicine
- Proceedings of the National Academy of Sciences…
- 8 June 2004
In contrast to mRNAs, rRNAs are transcribed by RNA polymerase I or III and are not believed to be polyadenylated. Here we show that in Saccharomyces cerevisiae, at least a small fraction of rRNAs do… Expand
TRAMP Complex Enhances RNA Degradation by the Nuclear Exosome Component Rrp6*
- K. Callahan, J. Butler
- Biology, Medicine
- The Journal of Biological Chemistry
- 2 December 2009
The RNA-processing exosome contains ribonucleases that degrade aberrant RNAs in archael and eukaryotic cells. In Saccharomyces cerevisiae, the nuclear/nucleolar 3′–5′ exoribonuclease Rrp6… Expand
RNA processing generates the mature 3' end of yeast CYC1 messenger RNA in vitro.
In whole cell extracts of Saccharomyces cerevisiae, incubation of precursor mRNA transcripts encoding the sequences essential in vivo for forming the 3' end of the iso-1-cytochrome c mRNA (CYC1)… Expand
The Nuclear Exosome Contributes to Autogenous Control of NAB2 mRNA Levels
- Kelly M Roth, Maria Wolf, Marie L. Rossi, J. Butler
- Biology, Medicine
- Molecular and Cellular Biology
- 1 March 2005
ABSTRACT The RNA-processing exosome is a complex of riboexonucleases required for 3′-end formation of some noncoding RNAs and for the degradation of mRNAs in eukaryotes. The nuclear form of the… Expand