HPL-2 in N2 (wild-type) early embryo
Ontology highlight
ABSTRACT:
ORGANISM(S): Caenorhabditis elegans
SUBMITTER: Susan Strome
PROVIDER: E-GEOD-58762 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
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Project description:ChIP-chip of HPL-2 in met-2 set-25 C. elegans mixed-stage embryo EXPERIMENT TYPE: CHIP-chip. BIOLOGICAL SOURCE: Strain: GW638; Developmental Stage: Mixed-stage Embryo; Genotype: met-2(n4256) set-25(n5021); Sex: population predominantly Hermaphrodites perhaps with some Males; NUMBER OF REPLICATES: 2; EXPERIMENTAL FACTORS: temperature 20
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2014-10-11 | E-GEOD-58763 | biostudies-arrayexpress
Project description:Nuclear pores associate with active protein-coding genes in yeast and have been implicated in transcriptional regulation. Here, we show that in addition to transcriptional regulation, key components of C. elegans nuclear pores are required for processing of a subset of small nucleolar RNAs (snoRNAs) and tRNAs transcribed by RNA Polymerase (Pol) III. Chromatin immunoprecipitation of NPP-13 and NPP-3, two integral nuclear pore components, and importin-M-CM-^_ IMB-1, provides strong evidence that this requirement is direct. All three proteins associate specifically with tRNA and snoRNA genes undergoing Pol III transcription. These pore components bind immediately downstream of the Pol III pre-initiation complex, but are not required for Pol III recruitment. Instead, NPP-13 is required for cleavage of tRNA and snoRNA precursors into mature RNAs, whereas Pol II transcript processing occurs normally. Our data suggest that integral nuclear pore proteins act to coordinate transcription and processing of Pol III transcripts in C. elegans. Genome-wide ChIP-seq and ChIP-chip were performed in mixed-stage C. elegans embryos for nuclear pore proteins NPP-13, NPP-3, IMB-1 and chromatin proteins Pol III (RPC-1), TBP-1, TFC-1 (SFC-1), TFC-4 (TAG-315), and Pol II (AMA-1). For RPC-1 and TBP-1 ChIP-seq, embryos depleted for NPP-13 were also used. Total RNAs from wild-type, NPP-13 RNAi, and IMB-1 RNAi embryos were analyzed by RNA-seq.
2013-09-05 | E-GEOD-42651 | biostudies-arrayexpress
Project description:modENCODE_submission_3544 This submission comes from a modENCODE project of Jason Lieb. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: The focus of our analysis will be elements that specify nucleosome positioning and occupancy, control domains of gene expression, induce repression of the X chromosome, guide mitotic segregation and genome duplication, govern homolog pairing and recombination during meiosis, and organize chromosome positioning within the nucleus. 126 strategically selected targets include key histone modifications, histone variants, RNA polymerase II isoforms, dosage-compensation proteins, centromere components, homolog-pairing facilitators, recombination markers, and nuclear-envelope constituents. We will integrate information generated with existing knowledge on the biology of the targets, perform ChIP-chip analysis on mutant and RNAi extracts lacking selected target proteins, use extrachromosomal arrays to assess the ability of candidate identified sequence motifs to recruit targets in vivo, identify tissue-specific patterns of selected targets, and create integrated, quantitative models of transcription and whole-chromosome functions. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf EXPERIMENT TYPE: CHIP-chip. BIOLOGICAL SOURCE: Strain: N2; Developmental Stage: Early Embryo; Genotype: wild type; Sex: mixed Male and Hermaphrodite population; NUMBER OF REPLICATES: 3; EXPERIMENTAL FACTORS: Developmental Stage Early Embryo; temp (temperature) 20 degree celsius; Antibody ABAB817 8WG16:346588 (target is RNA polII CTD domain unphosophorylated); Strain N2
2012-04-22 | E-GEOD-37498 | biostudies-arrayexpress
Project description:modENCODE_submission_3545 This submission comes from a modENCODE project of Jason Lieb. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: The focus of our analysis will be elements that specify nucleosome positioning and occupancy, control domains of gene expression, induce repression of the X chromosome, guide mitotic segregation and genome duplication, govern homolog pairing and recombination during meiosis, and organize chromosome positioning within the nucleus. 126 strategically selected targets include key histone modifications, histone variants, RNA polymerase II isoforms, dosage-compensation proteins, centromere components, homolog-pairing facilitators, recombination markers, and nuclear-envelope constituents. We will integrate information generated with existing knowledge on the biology of the targets, perform ChIP-chip analysis on mutant and RNAi extracts lacking selected target proteins, use extrachromosomal arrays to assess the ability of candidate identified sequence motifs to recruit targets in vivo, identify tissue-specific patterns of selected targets, and create integrated, quantitative models of transcription and whole-chromosome functions. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf EXPERIMENT TYPE: CHIP-chip. BIOLOGICAL SOURCE: Strain: N2; Developmental Stage: Late Embryos; Genotype: wild type; Sex: Hermaphrodite; NUMBER OF REPLICATES: 3; EXPERIMENTAL FACTORS: Developmental Stage Late Embryos; temp (temperature) 20 degree celsius; Antibody ABAB817 8WG16:346588 (target is RNA polII CTD domain unphosophorylated); Strain N2
2012-04-22 | E-GEOD-37499 | biostudies-arrayexpress
Project description:C. elegans nuclear pore protein NPP-13 associates with small RNA genes transcribed by RNA Polymerase III. To test if the nuclear pore-chromatin interactions play a role in large-scale chromatin organization, we determined nuclear membrane-genome interactions and RNA Polymerase II localization in C. elegans embryos depleted for NPP-13. Genome-wide ChIP-seq and ChIP-chip for nuclear membrane protein LEM-2, RNA Polymerase II (AMA-1) and H3K4me3 were performed in mixed-stage C. elegans embryos depleted for NPP-13. As a control, ChIP was also performed in wild-type embryos treated with empty vector.
2016-08-15 | E-GEOD-49902 | biostudies-arrayexpress
Project description:modENCODE_submission_3196 This submission comes from a modENCODE project of Jason Lieb. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: The focus of our analysis will be elements that specify nucleosome positioning and occupancy, control domains of gene expression, induce repression of the X chromosome, guide mitotic segregation and genome duplication, govern homolog pairing and recombination during meiosis, and organize chromosome positioning within the nucleus. Our 126 strategically selected targets include key histone modifications and histone variants. We will integrate information generated with existing knowledge on the biology of the targets and perform ChIP-chip analysis on mutant and RNAi extracts lacking selected target proteins. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf Keywords: CHIP-chip EXPERIMENT TYPE: CHIP-chip. BIOLOGICAL SOURCE: Strain: N2; Developmental Stage: Late Embryos; Genotype: wild type; Sex: Hermaphrodite; NUMBER OF REPLICATES: 2; EXPERIMENTAL FACTORS: Developmental Stage Late Embryos; temp (temperature) 20 degree celsius; Antibody DISN147 H4K20me1:001 (target is H4K20me1); Strain N2
2011-03-09 | E-GEOD-27779 | biostudies-arrayexpress
Project description:modENCODE_submission_3439 This submission comes from a modENCODE project of Jason Lieb. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: The focus of our analysis will be elements that specify nucleosome positioning and occupancy, control domains of gene expression, induce repression of the X chromosome, guide mitotic segregation and genome duplication, govern homolog pairing and recombination during meiosis, and organize chromosome positioning within the nucleus. 126 strategically selected targets include key histone modifications, histone variants, RNA polymerase II isoforms, dosage-compensation proteins, centromere components, homolog-pairing facilitators, recombination markers, and nuclear-envelope constituents. We will integrate information generated with existing knowledge on the biology of the targets, perform ChIP-chip analysis on mutant and RNAi extracts lacking selected target proteins, use extrachromosomal arrays to assess the ability of candidate identified sequence motifs to recruit targets in vivo, identify tissue-specific patterns of selected targets, and create integrated, quantitative models of transcription and whole-chromosome functions. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf EXPERIMENT TYPE: CHIP-chip. BIOLOGICAL SOURCE: Strain: N2; Developmental Stage: Late Embryos; Genotype: wild type; Sex: Hermaphrodite; NUMBER OF REPLICATES: 2; EXPERIMENTAL FACTORS: Developmental Stage Late Embryos; temp (temperature) 20 degree celsius; Antibody SDQ2330-LIN15B (target is LIN-15B); Strain N2
2012-04-22 | E-GEOD-37496 | biostudies-arrayexpress
Project description:modENCODE_submission_3438 This submission comes from a modENCODE project of Jason Lieb. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: The focus of our analysis will be elements that specify nucleosome positioning and occupancy, control domains of gene expression, induce repression of the X chromosome, guide mitotic segregation and genome duplication, govern homolog pairing and recombination during meiosis, and organize chromosome positioning within the nucleus. 126 strategically selected targets include key histone modifications, histone variants, RNA polymerase II isoforms, dosage-compensation proteins, centromere components, homolog-pairing facilitators, recombination markers, and nuclear-envelope constituents. We will integrate information generated with existing knowledge on the biology of the targets, perform ChIP-chip analysis on mutant and RNAi extracts lacking selected target proteins, use extrachromosomal arrays to assess the ability of candidate identified sequence motifs to recruit targets in vivo, identify tissue-specific patterns of selected targets, and create integrated, quantitative models of transcription and whole-chromosome functions. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf EXPERIMENT TYPE: CHIP-chip. BIOLOGICAL SOURCE: Strain: N2; Developmental Stage: Late Embryos; Genotype: wild type; Sex: Hermaphrodite; NUMBER OF REPLICATES: 2; EXPERIMENTAL FACTORS: Developmental Stage Late Embryos; temp (temperature) 20 degree celsius; Antibody SDQ2324-HPL2 (target is HPL-2); Strain N2
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2012-09-18 | E-GEOD-40947 | biostudies-arrayexpress