biostudies-arrayexpressUnknownTranscriptomicsGenomicsProteomicsDCC modENCODEChIP-chip by tiling arrayCaenorhabditis elegansCaenorhabditis eleganshttps://www.ebi.ac.uk/biostudies/studies/E-GEOD-22738modENCODE_submission_2442 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 Keywords: CHIP-chip EXPERIMENT TYPE: CHIP-chip. BIOLOGICAL SOURCE: Strain: N2; Developmental Stage: Early Embryo; Genotype: wild type; Sex: mixed Male and Hermaphrodite population; NUMBER OF REPLICATES: 2; EXPERIMENTAL FACTORS: Developmental Stage Early Embryo; Developmental Stage Early Embryo; Strain N2; Antibody AB3594 H3K79me2:346021 (target is H3K79me2); Strain N2; temperature 20biostudies-arrayexpressLabeling - ChIP-chip_label_hyb_nimblegen_v2. DNA was labeled and hybridized to NimbleGen C. elegans tiling array (HD2) according to the protocol described in chapter 3 and 4 of the NimbleGen Arrays User?s Guide ChIP-chip Analysis, Version 3.1, 27 May 2008 with slight modifications. Briefly, amplified IP or input DNA was either labeled with Cy5 or Cy3 in the presence of Klenow fragment. The reaction was stopped by the addition of EDTA. Labeled DNA was recovered by isopropanol precipitation, and dried. The labeled DNA was hybridized to C. elegans tiling array for 16 - 20 hours at 42°C.Nucleic Acid Extraction - Worm_chromatin_immunoprecipitation_vSS4. 0.3-3 mg extract + 1% sarkosyl was used for each ChIP with 10% taken as input directly into elution buffer (1% SDS in TE, 250 mM NaCl). Antibody was added to each IP sample and incubated overnight at 4ºC. Immune complexes were incubated (2 hrs at 4ºC) with 50 ?l of IgG dynabeads (Dyna), and washed 5 minutes with 1.5 mL of each of the following solutions: ChIP Buffer, ChIP Buffer + 1 M NaCl, ChIP Buffer + 500 mM NaCl, TEL Buffer (10 mM Tris-HCl pH 8.0, 250 mM LiCl, 1% NP-40, 1% sodium deoxycholate, 1 mM EDTA), and 2X TE (10 mM Tris-HCl pH 8.0, 1 mM EDTA). Samples were eluted twice with 150 ?L elution buffer for 15 minutes at 65ºC. Samples were treated with RNAse for 30 minutes at 37ºC. Samples were treated with proteinase K at 55ºC for 1-2 hrs then transfer to 65ºC overnight to reverse crosslinks. DNA was cleaned up using Zymo kit. For a detailed protocol see http://www.modencode.org/.Nucleic Acid Extraction - Worm_embryo_extraction_vSS2. Embryos were resuspended in FA buffer (50 mM HEPES/KOH pH 7.5, 1mM EDTA, 1% Triton X-100, 0.1% sodium deoxycholate; 150 mM NaCl) + protease inhibitors. Sample was dounced 30 times using tight pestle at 4ºC, then sonicated 9 times on ice at the following settings: 30 sec; power output 3; 70% duty cycle. Cell debris was removed by centrifuging at 13,000 rpm for 15 minutes at 4ºC and taking the supernatant. Supernatants were filtered through Millipore Ultrafree-MC 0.45 ?m filter units (cat. UFC30HV0S) at 13,000 rpm, 4°C for 1 minute to remove lipids. Protein concentration was determined, and extracts were aliquoted and stored at -80ºC. For a detailed protocol see http://www.modencode.org/.Growth Protocol - Worm_embryo_growth_and_harvest_vSS4. Embryos were prepared by bleaching from gravid N2 adults grown in standard S-basal media liquid culture. Live embryos were cross-linked in M9 + 1.85% formaldehyde for 30 minutes at room temperature. Embryos were then washed twice with M9 Buffer, once with 100 mM Tris-HCl pH 7.5 and once with FA buffer (50 mM HEPES/KOH pH 7.5, 1 mM EDTA, 1% Triton X-100, 0.1% sodium deoxycholate, 150 mM NaCl). Pellets were frozen at -80C. For a detailed protocol see http://www.modencode.org/.Nucleic Acid Extraction - Worm_LM-PCR_Amplification_for_ChIP-chip_vSS2. ChIP DNA was amplified with a modified ligation mediated PCR (LM-PCR) protocol derived from FlyChip protocol version 1.2 from R. Auburn: http://www.flychip.org.uk/protocols/chip/lm_pcr.php. For a detailed protocol see http://www.modencode.org/.Hybridization - ChIP-chip_label_hyb_nimblegen_v2. DNA was labeled and hybridized to NimbleGen C. elegans tiling array (HD2) according to the protocol described in chapter 3 and 4 of the NimbleGen Arrays User?s Guide ChIP-chip Analysis, Version 3.1, 27 May 2008 with slight modifications. Briefly, amplified IP or input DNA was either labeled with Cy5 or Cy3 in the presence of Klenow fragment. The reaction was stopped by the addition of EDTA. Labeled DNA was recovered by isopropanol precipitation, and dried. The labeled DNA was hybridized to C. elegans tiling array for 16 - 20 hours at 42°C.MIAME ScoreRaw DataOrganizationAssays and DataMAGE-TAB FilesArray DesignsJason LiebMorten JensenDCC modENCODEFeature Extraction - ChIP-chip normalization standard zscore:JL:2 protocol. ChIP-chip_normalization_standard_zscore_v2 First, the ratio of intensity from sample/reference channel was transformed to log2 space. Second, z-scores were obtained for each probe by standardizing the data by subtracting the mean and dividing by the standard deviation of all probes. Processed data are obtained using following parameters: genome version is WS180Image Adquisition - ChIP-chip_scanning_nimblegen_v2. Array scanning and raw data extraction were performed according to the protocol described in chapter 5 and 6 of the NimbleGen Arrays User?s Guide ChIP-chip Analysis, Version 3.1, 27 May 2008. Briefly, array signal was scanned by using a GenePix 4000B Scanner with associated software and saved as .tif files of the 532nm and 635nm images individually. Raw signal intensities of the images were extracted and saved as .pair files by using NimbleScan software v2.5 according to the NimbleScan User?s Guide.falseStrome AB3594_H3K79ME2346021_N2_EEMBmodENCODE_submission_2442 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 Keywords: CHIP-chip EXPERIMENT TYPE: CHIP-chip. BIOLOGICAL SOURCE: Strain: N2; Developmental Stage: Early Embryo; Genotype: wild type; Sex: mixed Male and Hermaphrodite population; NUMBER OF REPLICATES: 2; EXPERIMENTAL FACTORS: Developmental Stage Early Embryo; Developmental Stage Early Embryo; Strain N2; Antibody AB3594 H3K79me2:346021 (target is H3K79me2); Strain N2; temperature 202010-07-07T00:00:00Z2023-08-18T11:39:29.291Z2022-02-23T17:25:42.208ZE-GEOD-22738GSE22738EFO_0002762