Caenorhabditis elegans
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA282022 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR1993090.fastq.gz | Fastqsanger.gz | |||
| SRR1993091.fastq.gz | Fastqsanger.gz | |||
| SRR1993092.fastq.gz | Fastqsanger.gz | |||
| SRR1993093.fastq.gz | Fastqsanger.gz | |||
| SRR1993094.fastq.gz | Fastqsanger.gz |
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Project description:We used RNA Pol II-CTD occupancy assay to identify mRNA isoform switch in mutant animals compared to wild type animals.
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Project description:We used RNA Pol II-CTD occupancy assay to identify mRNA isoform switch in mutant animals compared to wild type animals. Examination of RNA Pol II-CTD Ser5P recognized by 4H8 in wild type, sydn-1(0), ssup-72(0) and ssup-72(0);sydn-1(0)
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Project description:The carboxyl-terminal domain (CTD) of the largest subunit of RNA polymerase II (Pol II) orchestrates dynamic recruitment of specific cellular machines during different stages of transcription. Signature phosphorylation patterns of Y1S2P3T4S5P6S7 heptapeptide repeats of the CTD engage specific “readers.” While phospho-Ser5 and phospho-Ser2 marks are ubiquitous, phospho-Thr4 is reported to only impact specific genes. Here, we investigate the genome-wide occupancy of Pol II, phospho-Thr4, and key reader Rtt103 in WT and CTD-mutant strains of S. cerevisiae.
2017-05-02 | GSE95418 | GEO
Project description:The carboxyl-terminal domain (CTD) of the largest subunit of RNA polymerase II (Pol II) orchestrates dynamic recruitment of specific cellular machines during different stages of transcrption. Signature phosphorylation patterns of Y1S2P3T4S5P6S7 heptapeptide repeats of the CTD engage specific readers. While phospho-Ser5 and phospho-Ser2 marks are ubiquitous, phospho-Thr4 is reported to only impact specific genes. Here, we investigate the genome-wide occupancy of Pol II, phospho-Thr4, Hrr25, and key reader Rtt103 in WT and irreversibly sensitive Hrr25 (hrr25is) mutant strains of S. cerevisiae.
2018-12-02 | GSE107164 | GEO
Project description:To investigate changes in RNAPII distribution in response to SF3B1 mutations, we peformed mNET-seq using antibody against either pan Pol II CTD or Ser2P Pol II CTD in K562 cells (wild type and SF3B1K700E mutant) at 4 days after mutant allele expression We then performed coverage plot analysis using data obtained from mNET-seq to investigate RNAPII distribution changes. Drosophila spike-in was included for the pan-Pol II CTD studies.
2024-03-12 | GSE254793 | GEO
Project description:At the 3'-ends of genes, RNA polymerase (Pol) II is dephosphorylated at tyrosine 1 residues of its C-terminal domain (CTD), resulting in recruitment of transcription termination factors. We show that the multisubunit cleavage and polyadenylation factor (CPF) is a Pol II CTD phosphatase and its Glc7 subunit is required for Tyr1 dephosphorylation at the poly-adenylation site and Pol II termination in vivo. ChIP-chip was performed to examine the effect of Glc7 nuclear depletion on genome-wide Pol II occupancy [using ?-Rpb3 (1Y26, cat. no. W0012, neoclone) antibody] and CTD tyrosine 1 phosphorylation levels [using ?-TyrY1P (3D12, D. Eick) antibody].
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Project description:Adult Caenorhabditis elegans: wild-type (N2) and mir-243 mutant worms
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Project description:ATP-dependent chromatin remodelers regulate chromatin structure during multiple stages of transcription. We report that RSC, an essential chromatin remodeler, is recruited to the open reading frames (ORFs) of actively transcribed genes genome-wide, suggesting a role for RSC in regulating transcription elongation. Consistent with such a role, Pol II occupancy in the ORFs of weakly transcribed genes is drastically reduced upon depletion of the RSC catalytic subunit Sth1. RSC inactivation also reduced histone H3 occupancy across transcribed regions. Remarkably, the strongest effects on Pol II and H3 occupancy were confined to the genes displaying the greatest RSC ORF enrichment. Additionally, RSC recruitment to the ORF requires the activities of the SAGA and NuA4 HAT complexes and is aided by the activities of the Pol II CTD Ser2 kinases Bur1 and Ctk1. Overall, our findings strongly implicate ORF-associated RSC in governing Pol II function and in maintaining chromatin structure over transcribed regions. ChIP-chip experiments to measure Sth1, Rpb3 and H3 occupancy in WT and various mutants (histone acetyltransferase and Pol II CTD kinase mutants). The histone H3 and Rpb3 occupancy were also measured in cells upon Sth1 depletion. The WT and mutant strains were grown in Synthetic complete or YPD media to an O.D. 600 of 0.6-0.8. For inducing Gcn4, the cells grown in SC were treated with Sulfometuron methyl for 20-25 minutes and process for chromatin immunoprecipitation using antibodies again Myc, Rpb3 or histone H3.
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Project description:RNA Polymerase II transcribes protein-coding and many non-coding RNA genes in eukaryotes. The largest subunit of RNA Polymerase II, Rpb1, contains a hepta-peptide repeat on its C-terminal tail with three potential phosphorylation sites (Serine 2, Serine 5 and Serine 7). Mammalian Rpb1 contains 52 repeats. The phosphorylation events are catalyzed by specific protein kinases where the phosphorylation of specific residues is coupled to the transcription cycle. For example, the Cdk7 subunit of TFIIH phosphorylates both Serine 5 and Serine 7 during intiation and the Cdk9 subunit of P-TEFb phosphorylates Serine 2 during the transition into productive elongation. The dataset presented here is the genome-wide distribution of RNA Pol II with Serine 7 of the CTD phosphorylated in murine embryonic stem cells. This data, in addition to phospho-specific datasets generated in the same cell type in Rahl et al. Cell 2010 and Seila et al. Science 2008, represents the genome-wide distribution of multiple RNA Pol II isoforms in murine embryonic stem cells: total Pol II, hypophosphorylated CTD Pol II, Serine 2 phosphorylated CTD Pol II, Serine 5 phosphorylated CTD Pol II and Serine 7 phosphorylated CTD Pol II. An antibody specific to RNA Pol II Serine 7 phosphorylated CTD (gift of Dirk Eick; Chapman et al. Science 2008) was used to enrich for DNA fragments associated with this Pol II isoform in murine embryonic stem cells. DNA was purified and prepared for Illumina/Solexa sequencing following their standard protocol. This is a single dataset but together with datasets from Rahl et al. Cell 2010 and Seila et al. Science 2008, these datasets represent the genome-wide distribution of multiple RNA Pol II isoforms in murine embryonic stem cells: total Pol II, hypophosphorylated CTD Pol II, Serine 2 phosphorylated CTD Pol II, Serine 5 phosphorylated CTD Pol II and Serine 7 phosphorylated CTD Pol II.
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