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Roquin targets mRNAs in a 3 '-UTR-specific manner by different modes of regulation.
Nat. Commun. 9:3810 (2018)
The RNA-binding proteins Roquin-1 and Roquin-2 redundantly control gene expression and cell-fate decisions. Here, we show that Roquin not only interacts with stem-loop structures, but also with a linear sequence element present in about half of its targets. Comprehensive analysis of a minimal response element of the Nfkbid 3'-UTR shows that six stem-loop structures cooperate to exert robust and profound post-transcriptional regulation. Only binding of multiple Roquin proteins to several stem-loops exerts full repression, which redundantly involved deadenylation and decapping, but also translational inhibition. Globally, most Roquin targets are regulated by mRNA decay, whereas a small subset, including the Nfat5 mRNA, with more binding sites in their 3'-UTRs, are also subject to translational inhibition. These findings provide insights into how the robustness and magnitude of Roqu-inmediated regulation is encoded in complex cis-elements.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Posttranscriptional Gene-regulation; Constitutive-decay Element; Pathogenic T(h)17 Cells; Transcription Factor; Noncoding Rna; T-cells; In-vivo; Th17; Inflammation; Autoimmunity
ISSN (print) / ISBN
2041-1723
e-ISSN
2041-1723
Journal
Nature Communications
Quellenangaben
Volume: 9,
Issue: 1,
Article Number: 3810
Publisher
Nature Publishing Group
Publishing Place
London
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Peer reviewed