Stem-loop sequence vvi-MIR156b

AccessionMI0006486 (change log)
DescriptionVitis vinifera miR156b stem-loop
Gene family MIPF0000008; MIR156
Community annotation

This text is a summary paragraph taken from the Wikipedia entry entitled mir-156_microRNA_precursor. miRBase and Rfam are facilitating community annotation of microRNA families and entries in Wikipedia. Read more ...

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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   --     a  a         -     -       a         uu     a 
5'   cauug aa cugacagaa gagag ugagcac cagaggcaa  guaua g
     ||||| || ||||||||| ||||| ||||||| |||||||||  |||||  
3'   gugac uu gacugucuu cucuu acucgug guuuucguu  cguau u
   cc     c  c         u     u       c         uu     u 
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Genome context
Coordinates (12X; GCA_000003745.2) Overlapping transcripts
chr4: 5356999-5357100 [-]
Database links

Mature sequence vvi-miR156b

Accession MIMAT0005641

11 - 


 - 30

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Evidence experimental; Illumina [2]


PMID:17721507 "The grapevine genome sequence suggests ancestral hexaploidization in major angiosperm phyla" Jaillon O, Aury JM, Noel B, Policriti A, Clepet C, Casagrande A, Choisne N, Aubourg S, Vitulo N, Jubin C, Vezzi A, Legeai F, Hugueney P, Dasilva C, Horner D, Mica E, Jublot D, Poulain J, Bruyere C, Billault A, Segurens B, Gouyvenoux M, Ugarte E, Cattonaro Nature. 449:463-467(2007).
PMID:19939267 "High throughput approaches reveal splicing of primary microRNA transcripts and tissue specific expression of mature microRNAs in Vitis vinifera" Mica E, Piccolo V, Delledonne M, Ferrarini A, Pezzotti M, Casati C, Del Fabbro C, Valle G, Policriti A, Morgante M, Pesole G, Pe ME, Horner DS BMC Genomics. 10:558(2009).