Courtesy of Bonnie Bartel and David P. Bartel Reprinted from Plant Physiol, 132:1-9, June 2003.
The RNA paradigm is due for another correction. Once, RNA seemed a mere conduit between genes and proteins. Its status expanded with reports of catalytic RNA 20 years ago and of endogenous RNA interference 10 years later. Now microRNAs, the 20- to 24-nucleotide transcripts that underlie much...
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