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News and Views
Nature 428, 263-264 (18 March 2004) | doi:10.1038/428263a
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Head of Production Biopharmaceuticals
- Rhein Minapharm Biogenetics
- Cairo (Egypt)
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- The University of Texas Southwestern Medical Center
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RNA finds a simpler way
Thomas R. Cech1
Abstract
Is there no end to the versatility of RNA? The latest feat to be revealed is RNA's ability to switch off genes through a neatly straightforward mechanism. So it isn't only proteins that can repress gene activity.
Organisms profit from synthesizing only those enzymes whose products are in demand. After all, if there's plenty of an amino acid around, why should a cell waste energy making the enzymes that are needed to generate it from precursors?
- Thomas R. Cech is at the Howard Hughes Medical Institute, 4000 Jones Bridge Road, Chevy Chase, Maryland 20815, and in the Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309, USA.
e-mail: Email: thomas.cech@colorado.edu
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