A versatile communication module for controlling RNA folding and catalysis

Alexis Kertsburg, Garrett Soukup

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

To exert control over RNA folding and catalysis, both molecular engineering strategies and in vitro selection techniques have been applied toward the development of allosteric ribozymes whose activities are regulated by the binding of specific effector molecules or ligands. We now describe the isolation and characterization of a new and considerably versatile RNA element that functions as a communication module to render disparate RNA folding domains interdependent. In contrast to some existing communication modules, the novel 9-nt RNA element is demonstrated to function similarly between a variety of catalysts that include the hepatitis delta virus, hammerhead, X motif and Tetrahymena group I ribozymes, and various ligand-binding domains. The data support a mechanistic model of RNA folding in which the element is comprised of both canonical and non-canonical base pairs and an unpaired nucleotide in the active, effector-bound conformation. Aside from enabling effector-controlled RNA function through rational design, the element can be utilized to identify sites in large RNAs that are susceptible to effector regulation.

Original languageEnglish
Pages (from-to)4599-4606
Number of pages8
JournalNucleic Acids Research
Volume30
Issue number21
StatePublished - Nov 1 2002

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RNA Folding
Catalysis
RNA
Hepatitis Delta Virus
Ligands
Tetrahymena
Catalytic RNA
Base Pairing
Nucleotides

All Science Journal Classification (ASJC) codes

  • Genetics

Cite this

A versatile communication module for controlling RNA folding and catalysis. / Kertsburg, Alexis; Soukup, Garrett.

In: Nucleic Acids Research, Vol. 30, No. 21, 01.11.2002, p. 4599-4606.

Research output: Contribution to journalArticle

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