Metazoan MicroRNAs | Zendy

David P. Bartel | Zendy

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Metazoan MicroRNAs

Author(s) -

David P. Bartel

Publication year - 2018

Publication title -

cell

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 26.304

H-Index - 776

eISSN - 1097-4172

pISSN - 0092-8674

DOI - 10.1016/j.cell.2018.03.006

Subject(s) - biology , psychological repression , microrna , biogenesis , computational biology , genetics , genomics , phenotype , regulation of gene expression , genome , gene expression , gene

MicroRNAs (miRNAs) are ∼22 nt RNAs that direct posttranscriptional repression of mRNA targets in diverse eukaryotic lineages. In humans and other mammals, these small RNAs help sculpt the expression of most mRNAs. This article reviews advances in our understanding of the defining features of metazoan miRNAs and their biogenesis, genomics, and evolution. It then reviews how metazoan miRNAs are regulated, how they recognize and cause repression of their targets, and the biological functions of this repression, with a compilation of knockout phenotypes that shows that important biological functions have been identified for most of the broadly conserved miRNAs of mammals.

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