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MOV10 Is a 5' to 3' RNA Helicase Contributing to UPF1 mRNA Target Degradation by Translocation along 3'UTRs

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE56751 | GEO | 2014/04/11

SECONDARY ACCESSION(S): PRJNA244435

REPOSITORIES: GEO

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MOV10 Is a 5' to 3' RNA Helicase Contributing to UPF1 mRNA Target Degradation by Translocation along 3'UTRs

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2014-04-11 | E-GEOD-56751 | biostudies-arrayexpress

MOV10 Is a 5' to 3' RNA Helicase Contributing to UPF1 mRNA Target Degradation by Translocation along 3'UTRs (expression)

Project description:RNA helicases are important regulators of gene expression that act by remodeling RNA secondary structures and as RNA-protein interactions. Here, we demonstrate that MOV10 has an ATP-dependent 5' to 3' in vitro RNA unwinding activity and determine the RNA-binding sites of MOV10 and its helicase mutants using PAR-CLIP. We find that MOV10 predominantly binds to 3' UTRs upstream of regions predicted to form local secondary structures and provide evidence that MOV10 helicase mutants are impaired in their ability to translocate 5' to 3' on their mRNA targets. MOV10 interacts with UPF1, the key component of the nonsense-mediated mRNA decay pathway. PAR-CLIP of UPF1 reveals that MOV10 and UPF1 bind to RNA in close proximity. Knockdown of MOV10 resulted in increased mRNA half-lives of MOV10-bound as well as UPF1-regulated transcripts, suggesting that MOV10 functions in UPF1-mediated mRNA degradation as an RNA clearance factor to resolve structures and displace proteins from 3' UTRs. Flp-In T-REx HEK293 cells expressing FLAG/HA-tagged MOV10 WT, MOV10 K530A, MOV10 D645N and UPF1 were used to determine the protein-RNA interaction sites of RNA helicases MOV10 and UPF1 as well as MOV10 inactive variants using PAR-CLIP in combination with next generation sequencing. mRNA half-life changes of MOV10-targeted mRNA were determined by measuring mRNA half-lives by mRNA sequencing of mock and MOV10-depleted HEK293 cells.

2014-04-11 | E-GEOD-56748 | biostudies-arrayexpress

MOV10 is a 5' to 3' RNA Helicase Contributing to UPF1 mRNA Target Degradation by Translocation Along 3' UTRs (PAR-CLIP)

2014-04-11 | E-GEOD-48245 | biostudies-arrayexpress

MOV10 Is a 5' to 3' RNA Helicase Contributing to UPF1 mRNA Target Degradation by Translocation along 3'UTRs (expression)

2014-04-11 | GSE56748 | GEO

MOV10 is a 5' to 3' RNA Helicase Contributing to UPF1 mRNA Target Degradation by Translocation Along 3' UTRs (PAR-CLIP)

2014-04-11 | GSE48245 | GEO