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The ZSWIM8 ubiquitin ligase mediates target-directed microRNA degradation [dataset 5]

ABSTRACT: The ZSWIM8 ubiquitin ligase mediates target-directed microRNA degradation [dataset 5]

PROVIDER: PRJNA685910 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13264602.fastq.gz	Fastqsanger.gz
	SRR13264603.fastq.gz	Fastqsanger.gz
	SRR13264604.fastq.gz	Fastqsanger.gz
	SRR13264605.fastq.gz	Fastqsanger.gz
	SRR13264606.fastq.gz	Fastqsanger.gz

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The ZSWIM8 ubiquitin ligase mediates target-directed microRNA degradation [dataset 5]

Project description:MicroRNAs (miRNAs) associate with Argonaute (AGO) proteins to direct widespread post-transcriptional gene repression. Although association with AGO typically protects miRNAs from nucleases, extensive pairing to some unusual target RNAs can trigger miRNA degradation. Here we found that this target-directed miRNA degradation (TDMD) required the ZSWIM8 Cullin-RING E3 ubiquitin ligase. This and other findings suggested and supported a mechanistic model of TDMD in which target-directed proteolysis of AGO by the ubiquitin–proteasome pathway exposes the miRNA for degradation. Moreover, loss-of-function studies indicated that the ZSWIM8 Cullin-RING ligase accelerates degradation of numerous miRNAs in cells of mammals, flies, and nematodes, thereby specifying the half-lives of most short-lived miRNAs. These results elucidate the mechanism of TDMD and expand the inferred role of TDMD in shaping miRNA levels in bilaterian animals.

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The ZSWIM8 ubiquitin ligase mediates target-directed microRNA degradation [dataset 4]

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The ZSWIM8 ubiquitin ligase mediates target-directed microRNA degradation [dataset 1]

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