miRNA (RELEASE_2.5.1) |
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|---|---|
| SO Accession: | SO:0000276 (SOWiki) |
| Definition: | Small, ~22-nt, RNA molecule that is the endogenous transcript of a miRNA gene. Micro RNAs are produced from precursor molecules (SO:0000647) 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. Micro RNAs may trigger the cleavage of their target molecules or act as translational repressors. |
| Synonyms: | micro RNA, microRNA |
| DB Xrefs: | PMID: 12592000 |
| Parents: | miRNA_primary_transcript (SO:0000647) |
| small_regulatory_ncRNA (SO:0000370) | |
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