Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA349978 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR4437090_1.fastq.gz | Fastqsanger.gz | |||
| SRR4437090_2.fastq.gz | Fastqsanger.gz | |||
| SRR4437091_1.fastq.gz | Fastqsanger.gz | |||
| SRR4437091_2.fastq.gz | Fastqsanger.gz | |||
| SRR4437092_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 12 |
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Project description:Post-transcriptional Gene Silencing Mediated by microRNAs is Controlled by Nucleoplasmic Sfpq
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Project description:There is a growing body of evidence about the presence and the activity of the miRISC in the nucleus of mammalian cells. Here, we show by quantitative proteomic analysis that Ago2 interacts with nucleoplasmic Sfpq in a RNA-dependent fashion. By HITS-CLIP and transcriptomic analyses, we demonstrated that Sfpq directly controls the miRNA targeting of a subset of crucial miRNA-target mRNAs when it binds locally. Sfpq modulates miRNA targeting in both nucleoplasm and cytoplasm, indicating a nucleoplasmic imprinting of Sfpq-target mRNAs that influence miRNA targeting in both cellular compartments. Mechanistically, Sfpq binds to a sizeable set of long 3’UTR forming long aggregates to optimize miRNA position/recruitment to selected binding sites, as we show for Lin28A mRNA. These results extend the miRNA-mediated post-transcriptional gene silencing into the nucleoplasm and indicate that an unique Sfpq-dependent post-transcriptional strategy for controlling both nuclear and cytoplasmic gene expression takes place in cells during physio-pathological events.
2017-10-20 | GSE89032 | GEO
Project description:There is a growing body of evidence about the presence and the activity of the miRISC in the nucleus of mammalian cells. Here, we show by quantitative proteomic analysis that Ago2 interacts with nucleoplasmic Sfpq in a RNA-dependent fashion. By HITS-CLIP and transcriptomic analyses, we demonstrated that Sfpq directly controls the miRNA targeting of a subset of crucial miRNA-target mRNAs when it binds locally. Sfpq modulates miRNA targeting in both nucleoplasm and cytoplasm, indicating a nucleoplasmic imprinting of Sfpq-target mRNAs that influence miRNA targeting in both cellular compartments. Mechanistically, Sfpq binds to a sizeable set of long 3’UTR forming long aggregates to optimize miRNA position/recruitment to selected binding sites, as we show for Lin28A mRNA. These results extend the miRNA-mediated post-transcriptional gene silencing into the nucleoplasm and indicate that an unique Sfpq-dependent post-transcriptional strategy for controlling both nuclear and cytoplasmic gene expression takes place in cells during physio-pathological events.
2017-10-20 | GSE89027 | GEO
Project description:There is a growing body of evidence about the presence and the activity of the miRISC in the nucleus of mammalian cells. Here, we show by quantitative proteomic analysis that Ago2 interacts with nucleoplasmic Sfpq in a RNA-dependent fashion. By HITS-CLIP and transcriptomic analyses, we demonstrated that Sfpq directly controls the miRNA targeting of a subset of crucial miRNA-target mRNAs when it binds locally. Sfpq modulates miRNA targeting in both nucleoplasm and cytoplasm, indicating a nucleoplasmic imprinting of Sfpq-target mRNAs that influence miRNA targeting in both cellular compartments. Mechanistically, Sfpq binds to a sizeable set of long 3’UTR forming long aggregates to optimize miRNA position/recruitment to selected binding sites, as we show for Lin28A mRNA. These results extend the miRNA-mediated post-transcriptional gene silencing into the nucleoplasm and indicate that an unique Sfpq-dependent post-transcriptional strategy for controlling both nuclear and cytoplasmic gene expression takes place in cells during physio-pathological events.
2017-10-20 | GSE89023 | GEO
Project description:There is a growing body of evidence about the presence and the activity of the miRISC in the nucleus of mammalian cells. Here, we show by quantitative proteomic analysis that Ago2 interacts with nucleoplasmic Sfpq in a RNA-dependent fashion. By HITS-CLIP and transcriptomic analyses, we demonstrated that Sfpq directly controls the miRNA targeting of a subset of crucial miRNA-target mRNAs when it binds locally. Sfpq modulates miRNA targeting in both nucleoplasm and cytoplasm, indicating a nucleoplasmic imprinting of Sfpq-target mRNAs that influence miRNA targeting in both cellular compartments. Mechanistically, Sfpq binds to a sizeable set of long 3’UTR forming long aggregates to optimize miRNA position/recruitment to selected binding sites, as we show for Lin28A mRNA. These results extend the miRNA-mediated post-transcriptional gene silencing into the nucleoplasm and indicate that an unique Sfpq-dependent post-transcriptional strategy for controlling both nuclear and cytoplasmic gene expression takes place in cells during physio-pathological events.
2017-10-20 | GSE89031 | GEO
Project description:Introgressed variants from other species can be an important source of genetic variation because they may arise rapidly, can include multiple mutations on a single haplotype, and have often been pretested by selection in the species of origin. Although introgressed alleles are generally deleterious, several studies have reported introgression as the source of adaptive alleles-including the rodenticide-resistant variant of Vkorc1 that introgressed from Mus spretus into European populations of Mus musculus domesticus. Here, we conducted bidirectional genome scans to characterize introgressed regions into one wild population of M. spretus from Spain and three wild populations of M. m. domesticus from France, Germany, and Iran. Despite the fact that these species show considerable intrinsic postzygotic reproductive isolation, introgression was observed in all individuals, including in the M. musculus reference genome (GRCm38). Mus spretus individuals had a greater proportion of introgression compared with M. m. domesticus, and within M. m. domesticus, the proportion of introgression decreased with geographic distance from the area of sympatry. Introgression was observed on all autosomes for both species, but not on the X-chromosome in M. m. domesticus, consistent with known X-linked hybrid sterility and inviability genes that have been mapped to the M. spretus X-chromosome. Tract lengths were generally short with a few outliers of up to 2.7 Mb. Interestingly, the longest introgressed tracts were in olfactory receptor regions, and introgressed tracts were significantly enriched for olfactory receptor genes in both species, suggesting that introgression may be a source of functional novelty even between species with high barriers to gene flow.
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Project description:Cellular binary fate decisions require the progeny to silence genes associated with the alternative fate. The major subsets of alpha:beta T cells have been extensively studied as a model system for fate decisions. While the transcription factor RUNX3 is required for the initiation of Cd4 silencing in CD8 T cell progenitors, it is not required to maintain the silencing of Cd4 and other helper T lineage genes. The other runt domain containing protein, RUNX1, silences Cd4 in an earlier T cell progenitor, but this silencing is reversed whereas the gene silencing after RUNX3 expression is not reverse. Therefore, we hypothesized that RUNX3 and not RUNX1 recruits other factors that maintains the silencing of helper T lineage genes in CD8 T cells. To this end, we performed a proteomics screen of RUNX1 and RUNX3 to determine candidate silencing factors.
2019-11-12 | PXD007511 | Pride