INO80C chromatin remodeler prevents promiscuous transcription at replication origins
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ABSTRACT:
PROVIDER: PRJNA602690 | ENA |
REPOSITORIES: ENA
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Project description:INO80C chromatin remodeler colocalizes to yeast replication origins together with the transcription factors Mot1 and NC2. INO80C maintains genome stability by preventing noncoding transcription around origins both in yeast and mammals.
2020-09-07 | GSE144072 | GEO
Project description:modENCODE_submission_709 This submission comes from a modENCODE project of David MacAlpine. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: Early origins of replication were identified by treating cells with hydroxyurea (HU), a potent inhibitor of nucleotide synthesis, in the presence of the nucleotide analogue BrdU. Treatment of synchronized Kc167 cells with HU stalls replication forks and activates the intra S-phase checkpoint, thereby limiting BrdU incorporation to those sequences immediately adjacent to early activating replication origins. BrdU enriched sequences surrounding early origins of replication are then enriched by immunoprecipitation with an anti-BrdU antibody. Early origins are then detected by hybridization to Agilent genomic tiling arrays. Peaks are called using MA2C (http://liulab.dfci.harvard.edu/MA2C/MA2C.htm) Keywords: CHIP-chip 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: Cell Line: Kc167; Tissue: embryo-derived cell-line; Genotype: se/e; Sex: Female NUMBER OF REPLICATES: 4; EXPERIMENTAL FACTORS: Cell Line Kc167
2010-05-15 | E-GEOD-17285 | biostudies-arrayexpress
Project description: Not available
| S-EPMC7540730 | biostudies-literature
Project description:modENCODE_submission_709 This submission comes from a modENCODE project of David MacAlpine. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: Early origins of replication were identified by treating cells with hydroxyurea (HU), a potent inhibitor of nucleotide synthesis, in the presence of the nucleotide analogue BrdU. Treatment of synchronized Kc167 cells with HU stalls replication forks and activates the intra S-phase checkpoint, thereby limiting BrdU incorporation to those sequences immediately adjacent to early activating replication origins. BrdU enriched sequences surrounding early origins of replication are then enriched by immunoprecipitation with an anti-BrdU antibody. Early origins are then detected by hybridization to Agilent genomic tiling arrays. Peaks are called using MA2C (http://liulab.dfci.harvard.edu/MA2C/MA2C.htm) Keywords: CHIP-chip For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf
2009-07-29 | GSE17285 | GEO
Project description:modENCODE_submission_710 This submission comes from a modENCODE project of David MacAlpine. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: Early origins of replication were identified by treating cells with hydroxyurea (HU), a potent inhibitor of nucleotide synthesis, in the presence of the nucleotide analogue BrdU. Treatment of synchronized S2-DRSC cells with HU stalls replication forks and activates the intra S-phase checkpoint, thereby limiting BrdU incorporation to those sequences immediately adjacent to early activating replication origins. BrdU enriched sequences surrounding early origins of replication are then enriched by immunoprecipitation with an anti-BrdU antibody. Early origins are then detected by hybridization to Agilent genomic tiling arrays. Peaks are called using MA2C (http://liulab.dfci.harvard.edu/MA2C/MA2C.htm) Keywords: CHIP-chip 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: Cell Line: S2-DRSC; Tissue: embryo-derived cell-line; Sex: Male NUMBER OF REPLICATES: 3; EXPERIMENTAL FACTORS: Cell Line S2-DRSC
2010-05-15 | E-GEOD-17286 | biostudies-arrayexpress
Project description:Genomic integrity requires faithful chromosome duplication. Origins of replication are the genomic sites where DNA replication initiates in every cell cycle. There are multiple origins scattered throughout the eukaryotic genome whose genome-wide identification has been a hard challenge, especially in multicellular organisms. Thus, very little is known on the distinctive features of origins in terms of DNA sequence and chromatin context at a genomic scale. Here we have profiled origins in Arabidopsis thaliana by high-throughput sequencing of purified nascent DNA strands. We have identified 1543 replication origins, which were uniformly distributed across the Arabidopsis genome and enriched in binding signals of two replication initiation proteins, CDC6 and ORC1. We have also analyzed novel epigenome maps of various histone modifications and found links between origins and epigenetic signatures, which differ from or have not been reported for other eukaryotic systems. Arabidopsis origins tend to be embedded in G+C-rich regions within the 5M-bM-^@M-^Y half of genes, enriched in histone H2A.Z, H3K4me2/3 and acetylated H4, and depleted of H3K4me1 and H3K9me2. Our data establish the basis for the understanding of the epigenetic specification of origins of replication in Arabidopsis and have implications for the mechanisms of origin specification in other eukaryotes. This SuperSeries is composed of the following subset Series: GSE21781: Mapping origins of replication in Arabidopsis thaliana: Examination of BrdU labelled DNA and unlabelled DNA in one cell type GSE21827: Mapping origins of replication in Arabidopsis thaliana: H3K4ac ChIP vs. unmodified H3 ChIP Refer to individual Series
2011-02-06 | E-GEOD-21828 | biostudies-arrayexpress
Project description:modENCODE_submission_710 This submission comes from a modENCODE project of David MacAlpine. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: Early origins of replication were identified by treating cells with hydroxyurea (HU), a potent inhibitor of nucleotide synthesis, in the presence of the nucleotide analogue BrdU. Treatment of synchronized S2-DRSC cells with HU stalls replication forks and activates the intra S-phase checkpoint, thereby limiting BrdU incorporation to those sequences immediately adjacent to early activating replication origins. BrdU enriched sequences surrounding early origins of replication are then enriched by immunoprecipitation with an anti-BrdU antibody. Early origins are then detected by hybridization to Agilent genomic tiling arrays. Peaks are called using MA2C (http://liulab.dfci.harvard.edu/MA2C/MA2C.htm) Keywords: CHIP-chip For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf
2009-07-29 | GSE17286 | GEO
Project description:modENCODE_submission_711 This submission comes from a modENCODE project of David MacAlpine. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: Early origins of replication were identified by treating cells with hydroxyurea (HU), a potent inhibitor of nucleotide synthesis, in the presence of the nucleotide analogue BrdU. Treatment of synchronized ML-DmBG3-c2 cells with HU stalls replication forks and activates the intra S-phase checkpoint, thereby limiting BrdU incorporation to those sequences mmediately adjacent to early activating replication origins. BrdU enriched sequences surrounding early origins of replication are then enriched by immunoprecipitation with an anti-BrdU antibody. Early origins are then detected by hybridization to Agilent genomic tiling arrays. Peaks are called using MA2C (http://liulab.dfci.harvard.edu/MA2C/MA2C.htm) Keywords: CHIP-chip 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: Cell Line: ML-DmBG3-c2; Tissue: CNS-derived cell-line; Genotype: y v f mal; Sex: Unknown NUMBER OF REPLICATES: 3; EXPERIMENTAL FACTORS: Cell Line ML-DmBG3-c2
2010-05-15 | E-GEOD-17287 | biostudies-arrayexpress
Project description:DNA replication initiates at defined sites called origins, which serve as binding sites for initiator proteins that recruit the replicative machinery. Origins differ in number and structure across the three domains of life1 and their properties determine the dynamics of chromosome replication. Bacteria and some archaea replicate from single origins, whilst most archaea and all eukaryotes replicate using multiple origins. Initiation mechanisms that rely on homologous recombination operate in some viruses. Here we show that such mechanisms also operate in archaea. We have used deep sequencing to study replication in Haloferax volcanii. Four chromosomal origins of differing activity were identified. Deletion of individual origins resulted in perturbed replication dynamics and reduced growth. However, a strain lacking all origins has no apparent defects and grows significantly faster than wild-type. Origin-less cells initiate replication at dispersed sites rather than at discrete origins and have an absolute requirement for the recombinase RadA, unlike strains lacking individual origins. Our results demonstrate that homologous recombination alone can efficiently initiate the replication of an entire cellular genome. This raises the question of what purpose replication origins serve and why they have evolved. Measurement of replication dynamics (marker frequency analysis; MFA) for Haloferax volcanii strains, including wild-type, the laboratory strain, individual and combinations of replication origin deletions.
2013-11-03 | E-GEOD-41961 | biostudies-arrayexpress
Project description:JQ1 prevents BRD4 recruitment to the lytic origins of replication [Akata-Zta DNA-seq]
| PRJNA386166 | ENA