Abstract
Using systematic evolution of ligands by exponential enrichment (SELEX), an RNA molecule was isolated that displays a 1,000-fold higher affinity for guanosine residues that carry an N-7 methyl group than for nonmethylated guanosine residues. The methylated guanosine residue closely resembles the 5′ terminal cap structure present on all eukaryotic mRNA molecules. The cap-binding RNA specifically inhibited the translation of capped but not uncapped mRNA molecules in cell-free lysates prepared from either human HeLa cells or from Saccharomyces cerevisiae . These findings indicate that the cap-binding RNA will also be useful in studies of other cap-dependent processes such as pre-mRNA splicing and nucleocytoplasmic mRNA transport.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 10:31 a.m.) |
Deposited | 3 years, 4 months ago (April 13, 2022, 2:52 p.m.) |
Indexed | 1 year, 2 months ago (June 8, 2024, 5:56 p.m.) |
Issued | 28 years ago (Aug. 5, 1997) |
Published | 28 years ago (Aug. 5, 1997) |
Published Online | 28 years ago (Aug. 5, 1997) |
Published Print | 28 years ago (Aug. 5, 1997) |
@article{Haller_1997, title={In vitro selection of a 7-methyl-guanosine binding RNA that inhibits translation of capped mRNA molecules}, volume={94}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.94.16.8521}, DOI={10.1073/pnas.94.16.8521}, number={16}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Haller, Aurelia A. and Sarnow, Peter}, year={1997}, month=aug, pages={8521–8526} }