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Caenorhabditis elegans

ABSTRACT: Cooperative target mRNA destabilization and translation inhibition by miR-58 microRNA family in C. elegans [miRNA-Seq]

OTHER RELATED OMICS DATASETS IN: PXD001998

PROVIDER: PRJNA258215 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1550960.fastq.gz	Fastqsanger.gz
	SRR1550961.fastq.gz	Fastqsanger.gz
	SRR1550962.fastq.gz	Fastqsanger.gz
	SRR1550963.fastq.gz	Fastqsanger.gz
	SRR1550964.fastq.gz	Fastqsanger.gz

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Caenorhabditis elegans

Project description:Cooperative target mRNA destabilization and translation inhibition by miR-58 microRNA family in C. elegans [RNA-Seq]

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Project description:Cooperative target mRNA destabilization and translation inhibition by miR-58 microRNA family in C. elegans

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Cooperative target mRNA destabilization and translation inhibition by miR-58 microRNA family in C. elegans [RNA-Seq]

Project description:In animals, microRNAs frequently form families with related sequences. The functional relevance of miRNA families and the relative contribution of family members to target repression have remained, however, largely unexplored. Here, we used the C. elegans miR-58 miRNA family, comprised primarily of four highly abundant members: miR-58.1, miR-80, miR-81 and miR-82, as a model to investigate the redundancy of miRNA family members and their impact on target expression in an in vivo setting. RNA was extracted from different miR-58 family mutants (mir-58.1, mir-80; mir-58.1 and mir-80; mir-58.1; mir-81-82) and wild-type Bristol C. elegans strain at late L4 stage and submitted to transcriptome sequencing with Illumina HiSeq2000. The goal was to compare miR-58 target RNA expression and system-wide perturbations across various samples.

2015-06-05 | E-GEOD-60420 | biostudies-arrayexpress

Cooperative target mRNA destabilization and translation inhibition by miR-58 microRNA family in C. elegans [miRNA-Seq]

Project description:In animals, microRNAs frequently form families with related sequences. The functional relevance of miRNA families and the relative contribution of family members to target repression have remained, however, largely unexplored. Here, we used the C. elegans miR-58 miRNA family, comprised primarily of four highly abundant members: miR-58.1, miR-80, miR-81 and miR-82, as a model to investigate the redundancy of miRNA family members and their impact on target expression in an in vivo setting. RNA was extracted from different miR-58 family mutants (mir-58.1, mir-80; mir-58.1 and mir-80; mir-58.1; mir-81-82) and wild-type Bristol C. elegans strain at late L4 stage and submitted to small RNA profiling with Illumina HiSeq2000. The goal was to see whether miR-58 family members can compensate each other's expression.

2015-06-05 | E-GEOD-60419 | biostudies-arrayexpress

Cooperative target mRNA destabilization and translation inhibition by miR-58 microRNA family in C. elegans [RNA-Seq]

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Cooperative target mRNA destabilization and translation inhibition by miR-58 microRNA family in C. elegans [miRNA-Seq]

2015-06-05 | GSE60419 | GEO

microRNA profiling of the nematode Caenorhabditis elegans infected by Bacillus thuringiensis

Project description:microRNAs (miRNAs) are small non-coding RNA-molecules that influence translation by binding to the target gene mRNA. Many miRNAs are found in nested arrangements within introns, or exons, of larger protein-coding host genes. miRNAs and host genes in a nested arrangement are often transcribed simultaneously, which may indicate that both have similar functions. miRNAs have been implicated in regulating defense responses against pathogen infection in C. elegans and in mammals. Here, we asked if miRNAs in nested arrangements and their host genes are involved in the C. elegans response against infection with Bacillus thuringiensis (Bt). We performed miRNA sequencing and functional genetic analysis of miRNA and/or host gene in four nested arrangements. We identified mir-58.1 and mir-2 as negative regulators of C. elegans resistance to Bt infection. However, we did not find any miRNA/host gene pair in which both contribute to defense against Bt.

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Phosphate-independent small RNA sequencing of WT and mir-249 mutant C. elegans

Project description:MicroRNAs (miRNA), discovered in C. elegans, are short non-coding RNAs that bind and regulate the expression of target mRNAs in animals and plants. C. elegans miRNAs bind to partially complementary sequences in the 3' UTR of the target mRNA, which results in translational repression through mRNA destabilization. The high-throughput sequencing of RNA cleavage fragments was performed to directly detect cleaved miRNA targets in C. elegans. Based on this analysis, miR-249 was identified as a potential miRNA that regulates a ZK637.6 pseudogene, paralogous to asna-1 (ZK637.5), by a cleavage mechanism with extensive, evolutionary conserved complementarity. Additionally, we validated miR-249-directed cleavage of the ZK637.6 by a gene-specific 5’ rapid amplification of cDNA ends and observed notable difference in expression of ZK637.6 in wild-type versus mir-249 mutant C. elegans. Furthermore, phosphate-independent small-RNA sequencing analysis revealed that miR-249 target genes, including ZK637.6 pseudogene, showed 22G-RNA productions dependent on miR-249 targeting. These findings may lead to a better understanding of the biological roles of miRNAs for pseudogenes in C. elegans.

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Caenorhabditis elegans

Project description:Expression analysis of WS4303 (wild type) vs WS5041 (mir-58 mutants) total mRNA

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Phosphate-independent small RNA sequencing of WT and mir-249 mutant C. elegans

Project description:MicroRNAs (miRNA), discovered in C. elegans, are short non-coding RNAs that bind and regulate the expression of target mRNAs in animals and plants. C. elegans miRNAs bind to partially complementary sequences in the 3' UTR of the target mRNA, which results in translational repression through mRNA destabilization. The high-throughput sequencing of RNA cleavage fragments was performed to directly detect cleaved miRNA targets in C. elegans. Based on this analysis, miR-249 was identified as a potential miRNA that regulates a ZK637.6 pseudogene, paralogous to asna-1 (ZK637.5), by a cleavage mechanism with extensive, evolutionary conserved complementarity. Additionally, we validated miR-249-directed cleavage of the ZK637.6 by a gene-specific 5M-bM-^@M-^Y rapid amplification of cDNA ends and observed notable difference in expression of ZK637.6 in wild-type versus mir-249 mutant C. elegans. Furthermore, phosphate-independent small-RNA sequencing analysis revealed that miR-249 target genes, including ZK637.6 pseudogene, showed 22G-RNA productions dependent on miR-249 targeting. These findings may lead to a better understanding of the biological roles of miRNAs for pseudogenes in C. elegans. Total small RNAs from wild-type and mir-249 mutant in adult stage worms were subjected to small RNA sequencing using an Illumina platform with Tobacco Acid Pyrophosphatase (TAP) treatment, allowing detection of secondary siRNAs carrying 5M-bM-^@M-^Y-tri-phosphate.

2013-08-08 | E-GEOD-41900 | biostudies-arrayexpress

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