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Exhaustive profiling in Arabidopsis reveals abundant polysome-associated 24-nt small RNAs including hitherto undescribed AGO5-associated pseudogene-derived siRNAs (psiRNAs)

ABSTRACT: Exhaustive profiling in Arabidopsis reveals abundant polysome-associated 24-nt small RNAs including hitherto undescribed AGO5-associated pseudogene-derived siRNAs (psiRNAs)

PROVIDER: PRJNA389736 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5660300_1.fastq.gz	Fastqsanger.gz
	SRR5660300_2.fastq.gz	Fastqsanger.gz
	SRR5660301_1.fastq.gz	Fastqsanger.gz
	SRR5660301_2.fastq.gz	Fastqsanger.gz
	SRR5660304.fastq.gz	Fastqsanger.gz

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Arabidopsis thaliana

Project description:Exhaustive profiling in Arabidopsis reveals abundant polysome-associated 24-nt small RNAs including hitherto undescribed AGO5-associated pseudogene-derived siRNAs (psiRNAs) [sRNA]

| PRJNA389737 | ENA

Arabidopsis thaliana

| PRJNA389738 | ENA

Exhaustive profiling in Arabidopsis reveals abundant polysome-associated 24-nt small RNAs including hitherto undescribed AGO5-associated pseudogene-derived siRNAs (psiRNAs)

Project description:This SuperSeries is composed of the SubSeries listed below.

2017-12-31 | GSE99828 | GEO

Exhaustive profiling in Arabidopsis reveals abundant polysome-associated 24-nt small RNAs including hitherto undescribed AGO5-associated pseudogene-derived siRNAs (psiRNAs) [sRNA]

Project description:The present study was primarily aimed at expanding the scope of the previous analyses, which focused largely on AGO1-miRNA interactions with total polysomes and MBPs, respectively. Our larger aim was to comprehensively analyze which, among the multiple AGO effector proteins and the numerous cellular sRNA classes of Arabidopsis, interact with the translational machinery.

2017-12-31 | GSE99827 | GEO

Exhaustive profiling in Arabidopsis reveals abundant polysome-associated 24-nt small RNAs including hitherto undescribed AGO5-associated pseudogene-derived siRNAs (psiRNAs) [RNA]

Project description:The present study was primarily aimed at expanding the scope of the previous analyses, which focused largely on AGO1-miRNA interactions with total polysomes and membrane-bound polysomes (MBPs), respectively. Our larger aim was to comprehensively analyze which, among the multiple AGO effector proteins and the numerous cellular sRNA classes of Arabidopsis, interact with the translational machinery.

2017-12-31 | GSE99826 | GEO

A pseudogene lncRNA at the interface of inflammation and anti-inflammatory therapeutics

Project description:Pseudogenes are thought to be inactive gene sequences, but recent evidence of extensive pseudogene transcription raised the question of potential function. Here we discover and characterize the sets of lncRNAs induced by inflammatory signaling via TNFα. TNFα regulates hundreds of lncRNAs, including 54 pseudogene lncRNAs, several of which show exquisitely selective expression in response to specific cytokines and microbial components in a NF-κB-dependent manner. Lethe, a pseudogene lncRNA, is selectively induced by proinflammatory cytokines via NF-κB or glucocorticoid receptor agonist, and functions in negative feedback signaling to NF-κB. Lethe interacts with NF-κB subunit RelA to inhibit RelA DNA binding and target gene activation. Lethe level decreases with organismal age, a physiological state associated with increased NF-κB activity. These findings suggest that expression of pseudogenes lncRNAs are actively regulated and constitute functional regulators of inflammatory signaling.

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Francisella noatunensis subsp orientalis FNO12 pseudogene validation

Project description:Due to the detection of mRNA expression for several protein CDS annotated as pseudogenes in the results of the microarray experiment, a shotgun proteomic approach was applied to verify actual protein translation for each pseudogene in the genome of FNO12.

2019-05-27 | PXD012449 | Pride

A pseudogene lncRNA at the interface of inflammation and anti-inflammatory therapeutics

2013-08-05 | E-GEOD-47494 | biostudies-arrayexpress

Arabidopsis AGO5 contributes to a POL II-based RNA silencing pathway directing epigenetic marks

Project description:To characterise the Arabidopsis AGO5 protein, we report the AGO5 associated sRNAs, ago5 mutant total sRNAs and digital gene indexing tags with altered abundance in the ago5 mutant. Examination of AGO5 associated sRNAs, population of total sRNAs in the ago5 mutant and characterisation of RNA transcripts with altered abundance in the ago5 mutant.

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A FTH1 gene:pseudogene:miRNA network regulates tumorigenesis in prostate cancer

Project description:Pseudogenes, non-coding homologs of protein-coding genes, were once considered non-functional evolutional relics. Recent studies have shown that pseudogene transcripts can regulate their parental transcripts by sequestering shared microRNAs, thus acting as competing endogenous RNAs (ceRNAs). In this study, we utilize an unbiased screen to identify the ferritin heavy chain 1 (FTH1) transcript and multiple FTH1 pseudogenes as targets of several oncogenic miRNAs in prostate cancer. We characterize the critical role of this FTH1 gene:pseudogene:microRNA network in regulating tumorigenesis in prostate cancer, and show that impairing microRNA binding and subsequent ceRNA crosstalk results in complete phenotype rescue. Our results also demonstrate that pseudogenes are able to regulate intracellular iron levels, which are crucial for multiple physiological and pathophysiological processes. In summary, we describe a novel and extensive gene:pseudogene ceRNA network comprising multiple microRNAs and multiple pseudogenes derived from a single parental gene, which regulates iron storage and tumorigenesis in prostate cancer.

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