mir-156 microRNA precursor

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mir-156 microRNA precursor
Predicted secondary structure and sequence conservation of mir-156
Identifiers
Symbol mir-156
Rfam RF00073
miRBase MI0000178
miRBase family MIPF0000008
Other data
RNA type Gene; miRNA
Domain(s) Eukaryota
GO 0035195 0035068
SO 0001244

MicroRNA (miRNA) precursor mir-156 is a family of plant non-coding RNA. This microRNA has now been predicted or experimentally confirmed in a range of plant species (MIPF0000008). Animal miRNAs are transcribed as ~70 nucleotide precursors and subsequently processed by the Dicer enzyme to give a ~22 nucleotide product. In plants the precursor sequences may be longer, and the carpel factory (caf) enzyme appears to be involved in processing. In this case the mature sequence comes from the 5' arm of the precursor, and both Arabidopsis thaliana and rice genomes contain a number of related miRNA precursors which give rise to almost identical mature sequences. The extents of the hairpin precursors are not generally known and are estimated based on hairpin prediction. The products are thought to have regulatory roles through complementarity to mRNA.

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