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Functional characterization of C. elegans Y-box binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes (RIP-Seq)

ABSTRACT: We present a basic characterization of the function of Y-box binding proteins (YBPs) in C. elegans. YBPs in other organisms are known RNA-binding proteins. Our global analysis of associated mRNAs supports a role of YBPs as general mRNA binders in C.elegans.

ORGANISM(S): Caenorhabditis elegans

PROVIDER: GSE62856 | GEO | 2015/01/08

SECONDARY ACCESSION(S): PRJNA265848

REPOSITORIES: GEO

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Functional characterization of C. elegans Y-box binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes (RIP-Seq)

Project description:We present a basic characterization of the function of Y-box binding proteins (YBPs) in C. elegans. YBPs in other organisms are known RNA-binding proteins. Our global analysis of associated mRNAs supports a role of YBPs as general mRNA binders in C.elegans. FLAG IPs were performed on transgenic animals expressing FLAG-tagged versions of either CEY-1, CEY-2, or CEY-4. MYC IPs served as controls. All IPs were performed in duplicates. 12 samples in total.

2015-01-08 | E-GEOD-62856 | biostudies-arrayexpress

Functional characterization of C. elegans Y-box binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes (ribosome)

Project description:We present a basic characterization of the function of Y-box binding proteins in C. elegans. Besides playing an important role for fertility in the germline (all four CEY proteins), we found that the presence of CEY-1 and CEY-4 is essential for the assembly of larger polysomes in the soma. We therefore performed ribosome-profiling in combination with total RNA sequencing in wild type and cey-1,-4 double mutant animals to globally compare mRNA levels and their translation status. Ribosome-profiling analysis was peformed on wild type and cey-1,-4 mutant animals in duplicates. Four samples in total.

2015-01-08 | E-GEOD-62859 | biostudies-arrayexpress

Functional characterization of C. elegans Y-box binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes (ribosome)

2015-01-08 | GSE62859 | GEO

Functional characterization of C. elegans Y-box binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes (RNA-Seq)

2015-01-08 | GSE62858 | GEO

Functional characterization of C. elegans Y-box binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes (RNA-Seq)

Project description:We present a basic characterization of the function of Y-box binding proteins in C. elegans. Besides playing an important role for fertility in the germline (all four CEY proteins), we found that the presence of CEY-1 and CEY-4 is essential for the assembly of larger polysomes in the soma. We therefore performed ribosome-profiling in combination with total RNA sequencing in wild type and cey-1,-4 double mutant animals to globally compare mRNA levels and their translation status. Total RNA sequencing was peformed on RNA extacted from wild type and cey-1,-4 mutant animals in duplicates. Four samples in total.

2015-01-08 | E-GEOD-62858 | biostudies-arrayexpress

Functional characterization of C. elegans Y-box-binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes.

Project description:The cold shock domain is one of the most highly conserved motifs between bacteria and higher eukaryotes. Y-box-binding proteins represent a subfamily of cold shock domain proteins with pleiotropic functions, ranging from transcription in the nucleus to translation in the cytoplasm. These proteins have been investigated in all major model organisms except Caenorhabditis elegans. In this study, we set out to fill this gap and present a functional characterization of CEYs, the C. elegans Y-box-binding proteins. We find that, similar to other organisms, CEYs are essential for proper gametogenesis. However, we also report a novel function of these proteins in the formation of large polysomes in the soma. In the absence of the somatic CEYs, polysomes are dramatically reduced with a simultaneous increase in monosomes and disomes, which, unexpectedly, has no obvious impact on animal biology. Because transcripts that are enriched in polysomes in wild-type animals tend to be less abundant in the absence of CEYs, our findings suggest that large polysomes might depend on transcript stabilization mediated by CEY proteins.

| S-EPMC4245946 | biostudies-literature

Functional characterization of C. elegans Y-box binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes

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

2015-01-08 | GSE62861 | GEO

Functional characterization of C. elegans Y-box binding proteins reveals tissue-specific functions and a critical role in the formation of polysomes

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

2015-01-08 | E-GEOD-62861 | biostudies-arrayexpress

RIP-chip analysis of the C. elegans GLD-2 and RNP-8 protein

Project description:C. elegans GLD-2 forms an active PAP with multiple RNA-binding partners to regulate diverse aspects of germline and early embryonic development. One GLD-2 partner, RNP-8, was previously shown to influence oocyte fate specification. To identify transcripts selectively associated with both GLD-2 and RNP-8, we employ a genomic approach using the method of RNA immunoprecipitation followed by microarray analysis (RIP-chip). We used microarrays to identify mRNAs selectively associated with either GLD-2 or RNP-8. Worm extracts were prepared from synchronized adult C. elegans (15 h after L4 stage). For GLD-2 IP, an immoblized anti-GLD-2 antibody was then used to purify the GLD-2 complexes from either wild-type (N2) or gld-2(RNAi) worm extracts. RNA was then extracted from the pellets and analyzed on C.elegans Affymetrix genechip. Four biological replicates were performed, each sample processed in parallel. For RNP-8 IP, an immoblized anti-RNP-8 antibody was then used to purify the RNP-8 complexes from either wild-type (N2) or rnp-8(q784) worm extracts and three biological replicates were performed. For wt or gld-2(RNAi) samples, total RNA was extracted from worm extracts and hybridized on C.elegans Affymetrix genechip.

2010-09-21 | E-GEOD-23843 | biostudies-arrayexpress

Transcription profiling of C. elegans presenilin model

Project description:Regulation of presenilin genes. Presenilins are intramembrane aspartic proteases. These proteases are critical proteins in pathogenesis of Alzheimer's disease. The function of recently identified presenilin-homologous proteases (IMPAS or SPP)s is unknown. Our preliminary data in C.elegans model suggested the role of these proteins in early-development and , perhaps, in pathway related- to cholesterol -regulated signalling (Grigorenko et al, 2004, PNAS). The overall goal is to determine pattern of gene expression alterations in cells with knock-out or knock-down presenilin related proteins (IMPAS). The cultured cells, C.elegans and mouse models are planned to be used in this study. Here , we will determine gene expression patterns in C.elegans strain NL2099, fed with bacteria HT115, producing dsRNA for Ce-imp-2 gene (knock-down of imp-2 gene by RNAi )or GFP gene as a control. We hypothesize that novel family of presenilin-related proteases is important for cholesterol-regulated intracellular signalling and early development (including CNS/neuronal development and function). C.elegans (strain NL2099) on L1 stage were placed on agarose plates with bacteria HT115, producing dsRNA for: 1) Ce-imp-2 gene; 2) GFP as a control gene. After 48 hours at 20C , worms were washed in M9 buffer and total RNA was isolated by TRIzol method.

2008-06-15 | E-GEOD-7354 | biostudies-arrayexpress

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