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Genome-wide maps of HLH-1 binding in muscle-enriched embryos.

ABSTRACT: To investigate the structure of the bodywall muscle differentiation network, we sought to both identify what role HLH-1 binding has in this regulation. We mapped the relationship between the regulatory targets and HLH-1 binding, as measured by ChIP-seq in animals enriched for bodywall muscle tissue through RNAi feeding. While regulatory targets are enriched for HLH-1 binding, the majority of HLH-1 binding actually occurs away from genes that are affected by hlh-1 loss of function. Nevertheless, HLH-1 binding is associated with both the expected E-box and, near genes belonging to specific regulatory subgroups, novel motifs that may serve as binding sites for cooperative transcription factors.

ORGANISM(S): Caenorhabditis elegans

PROVIDER: GSE28561 | GEO | 2012/06/22

SECONDARY ACCESSION(S): PRJNA143025

REPOSITORIES: GEO

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Project description:modENCODE_submission_2431 This submission comes from a modENCODE project of Michael Snyder. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: We are identifying the DNA binding sites for 300 transcription factors in C. elegans. Each transcription factor gene is tagged with the same GFP fusion protein, permitting validation of the gene's correct spatio-temporal expression pattern in transgenic animals. Chromatin immunoprecipitation on each strain is peformed using an anti-GFP antibody, and any bound DNA is deep-sequenced using Solexa GA2 technology. 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-seq. BIOLOGICAL SOURCE: Strain: OP64(made_by : R. Waterston description : This strain's transgene was constructed by Mihail Sarov at the Max Planck Institute for Cell Biology in Tubiginen using Tony Hyman's recombineering pipeline. The resulting plasmid was used for biolistic transformation of an unc-119(ed3) strain. The HLH-1::EGFP fusion protein is expressed in the correct hlh-1 spatio-temporal expression pattern. This strain was used for ChIP-seq experiments to map the in vivo binding sites for the HLH-1 transcription factor. tags : GFP::3xFlag mutagen : Bombard outcross : 3 genotype : unc-119(ed3) III; wgIs64 [unc-119(+) hlh-1::TY1::EGFP::3xFLAG] official name : OP64 ); Developmental Stage: embryo; Genotype: unc-119(ed3) III; wgIs64 [unc-119(+) hlh-1::TY1::EGFP::3xFLAG]; Sex: Hermaphrodite; EXPERIMENTAL FACTORS: Developmental Stage embryo; Target gene hlh-1; Strain OP64(made_by : R. Waterston description : This strain's transgene was constructed by Mihail Sarov at the Max Planck Institute for Cell Biology in Tubiginen using Tony Hyman's recombineering pipeline. The resulting plasmid was used for biolistic transformation of an unc-119(ed3) strain. The HLH-1::EGFP fusion protein is expressed in the correct hlh-1 spatio-temporal expression pattern. This strain was used for ChIP-seq experiments to map the in vivo binding sites for the HLH-1 transcription factor. tags : GFP::3xFlag mutagen : Bombard outcross : 3 genotype : unc-119(ed3) III; wgIs64 [unc-119(+) hlh-1::TY1::EGFP::3xFLAG] official name : OP64 ); temp (temperature) 20 degree celsius Series_type: CHIP-seq

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Genome-wide maps of HLH-1 binding in muscle-enriched embryos.

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