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miRNA a skos:Concept, ncRNAType



skos:definition small, ~22-nt, RNA molecule, termed microRNA, produced from precursor molecules that can form local hairpin structures, which ordinarily are processed (via the Dicer pathway) such that a single miRNA molecule accumulates from one arm of a hairpin precursor molecule. MicroRNAs may trigger the cleavage of their target molecules or act as translational repressors.
ddbjLabel miRNA