Caenorhabditis elegans
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ABSTRACT:
PROVIDER: PRJNA127121 | ENA |
REPOSITORIES: ENA
Similar Datasets
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.
2010-09-21 | GSE23843 | GEO
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.
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Project description:This project aims to identify novel RNA binding proteins in the nematode, Caenorhabditis elegans. Since interactions between RNAs and proteins may be transient, these animals were crosslinked with UV light at 254 nm which promotes the covalent link between proteins and RNAs. After this, polyadenylated mRNAs were purified via oligo(dT) coupled to magentic beads under stringent conditions. Finally, samples were subjected to mass spectrometry analysis. To rule out the possibility of RNA-independent binding we also analysed other samples: i) samples digested with RNase one; ii) samples where we performed competition assays with polyadenylic acid
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