PreprintCited by 205RNA and protein synthesis mechanismsRNA regulation and diseaseRNA Research and Splicing

Small self-cleaving ribozymes

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Ferre-D'Amare, A. R., Scott, W. G.·2010·Cold Spring Harbor Perspectives in Biology

Abstract

The hammerhead, hairpin, hepatitis delta virus (HDV), Varkud Satellite (VS), and glmS ribozymes catalyze sequence-specific intramolecular cleavage of RNA. They range between 50 and 150 nucleotides in length, and are known as the "small self-cleaving ribozymes." Except for the glmS ribozyme that functions as a riboswitch in Gram-positive bacteria, they were originally discovered as domains of satellite RNAs. However, recent studies show that several of them are broadly distributed in genomes of organisms from many phyla. Each of these ribozymes has a unique overall architecture and active site organization. Crystal structures have revealed how RNA active sites can bind preferentially to the transition state of a reaction, whereas mechanistic studies have shown that nucleobases can efficiently perform general acid-base and electrostatic catalysis. This versatility explains the abundance of ribozymes in contemporary organisms and also supports a role for catalytic RNAs early in evolution.

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  • The fidelity of primer extension products resulting from the sequential addition of activated monomers, when catalyzed by activated oligomers, is sufficient to sustain a genome long enough to encode active ribozymes.

    “The fidelity of the primer extension products resulting from the sequential addition of activated monomers, when catalyzed by activated oligomers, is sufficient to sustain a genome long enough to encode active ribozymes.”
  • Assuming an error threshold of one mutation per genome, a fidelity of 98% allows for effective genome sizes of 50 nucleotides, long enough to produce functional ribozymes.

    “Assuming an error threshold of one mutation per genome (Eigen, 1971), this value of fidelity allows for effective genome sizes of 50 nucleotides, long enough to produce functional ribozymes (Ferré-D'Amaré and Scott, 2010).”

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Research works printed but not linked: 2

  1. de Gennes P-G 1990 Minimum numer of aminoacids required to build up a specific receptor with a folded polypeptide chain Introduction to Polymer Dynamics Cambridge Cambridge University Press 17 26
  2. Raines RT 1998 Ribonuclease A Chem Rev 98 1045 1065 11848924

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Authors
Ferre-D'Amare, A. R., & Scott, W. G.
Affiliations
University of California, Santa Cruz (US)
Corresponding author
Scott, W. G.
Venue
Cold Spring Harbor Perspectives in Biology
Published
2010-09-15
Volume
2
Issue
10
Pages
a003574-a003574
ISSN
1943-0264 (ISSN-L)
OpenAlex
W2105638515
Cited by
205
References
74
Citations by year
2026: 4 · 2025: 5 · 2024: 8 · 2023: 11 · 2022: 12 · 2021: 10 · 2020: 12 · 2019: 24 · 2018: 7 · 2017: 14 · 2016: 16 · 2015: 25 · 2014: 17 · 2013: 7 · 2012: 15
Type
posted content
Language
en
Open access
Locations
  • Cold Spring Harbor Perspectives in Biology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • W. M. Keck Foundation
  • National Institutes of Health (Z99 HL999999)
  • National Heart, Lung, and Blood Institute (ZIAHL006102)
  • National Institute of General Medical Sciences (GM63576, R01GM063576, R01GM087721)
  • National Institute of Allergy and Infectious Diseases (AI043393, R01AI043393, R21AI043393)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA regulation and disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
self-cleaving ribozymes, hammerhead ribozyme, hairpin ribozyme, hepatitis delta virus ribozyme, glmS ribozyme, riboswitches, RNA catalysis, crystal structure, ribozyme evolution, satellite RNA
MeSH terms
Hepatitis Delta Virus, Models, Molecular, Ribonuclease, Pancreatic, RNA, Catalytic, Catalytic Domain

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