RNA interference(redirected from Rna, small interfering)
Also found in: Dictionary, Medical.
Related to Rna, small interfering: Micro RNA
RNA interference[¦är¦en¦ā ‚in·tər′fir·əns]
(cell and molecular biology)
The process by which foreign, double-stranded RNA is recognized and degraded by specialized protein complexes within many eukaryotic cells; believed to be an evolutionarily conserved defense mechanism against RNA viruses and transposable elements. Abbreviated RNAi.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.