Genome-wide maps of EED binding genes in WT and JARID2 KO human embryonic stem cells (hESCs)
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA628093 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11608837_1.fastq.gz | Fastqsanger.gz | |||
| SRR11608837_2.fastq.gz | Fastqsanger.gz | |||
| SRR11608838_1.fastq.gz | Fastqsanger.gz | |||
| SRR11608838_2.fastq.gz | Fastqsanger.gz | |||
| SRR11608839_1.fastq.gz | Fastqsanger.gz |
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Project description:We wanted to know whether JARID2 KO in hESCs could affect EED occupancy on chromatin.
2021-06-10 | GSE149351 | GEO
Project description:JARID2 ChIP-seq profile mediated by Xist was investigated using two separate approaches: In the first approach, we use the TX1072 female embryonic stem cell (ESC) line; this is a genetically polymorphic ESC line derived from a mouse with one X-chromosome (X-chr) from the Mus musculus castaneus (Cast) origin and the other of Mus musculus domesticus, C57BL/6 (BL6) strain origin, containing an inducible promoter on the BL6 Xist allele; differentiation and simultaneous induction of Xist for 4 days results in the inactivation of ONLY the BL6-derived X-chr and coating by JARID2 protein. We analysed this ESC line in the undifferentiated state, in which both X-chrs are active (and not coated by JARID2), and also after 4 days of differentiation under Xist inducible conditions, in which cells display one inactive X-chr from BL6 origin and one Xa of the Cast origin; the presence of SNPs allows for the comparison of the degree and localisation of JARID2 enrichment on the inactive X-chr versus the active X-chr; our results suggests that JARID2 is enriched on the inactive X-chr chromosome-wide and not in confined peaks as elsewhere in the genome; This pattern resembles patterns of Xist enrichment published before (Engreitz et al., 2013). In the second approach, we use a male ESC line that carries an inducible Xist transgene (TG) on chromosome 11 (chr11) (Wutz et al., 2000) in the presence (36:11 WT) or the absence of Eed (36:11 Eed-/-) Induction of Xist TG results in Xist coating and enrichment of JARID2 across the chr11, regardless of the presence of Eed when assess by IF/Xist RNA FISH experiments. We compare inducible and uninducible condition in both the 36:11 WT and Eed-/- ESCs; this way, we could assess the Xist-mediated JARID2 recruitment and the effect of the absence of Eed-/-; Our results shows that Xist induction result in a chromosome-wide enrichment of JARID2 on chr11, in a manner that resembles enrichment on the inactive X-chr; this pattern seem to be independent of EED, showing that in contrast to other regions in the genome where JARID2 occupancy is abrogated in the absence of EED, Xist-mediated JARID2 recruitment is not affected. JARID2 ChIP-seq analysis in differentiating female ESCs (TX1072) and in a male ESC harbouring a Xist transgene on chromosome 11 in WT and Eed-/- genetics settings
2014-01-23 | E-GEOD-52073 | biostudies-arrayexpress
Project description:JARID2 ChIP-seq profile mediated by Xist was investigated using two separate approaches: In the first approach, we use the TX1072 female embryonic stem cell (ESC) line; this is a genetically polymorphic ESC line derived from a mouse with one X-chromosome (X-chr) from the Mus musculus castaneus (Cast) origin and the other of Mus musculus domesticus, C57BL/6 (BL6) strain origin, containing an inducible promoter on the BL6 Xist allele; differentiation and simultaneous induction of Xist for 4 days results in the inactivation of ONLY the BL6-derived X-chr and coating by JARID2 protein. We analysed this ESC line in the undifferentiated state, in which both X-chrs are active (and not coated by JARID2), and also after 4 days of differentiation under Xist inducible conditions, in which cells display one inactive X-chr from BL6 origin and one Xa of the Cast origin; the presence of SNPs allows for the comparison of the degree and localisation of JARID2 enrichment on the inactive X-chr versus the active X-chr; our results suggests that JARID2 is enriched on the inactive X-chr chromosome-wide and not in confined peaks as elsewhere in the genome; This pattern resembles patterns of Xist enrichment published before (Engreitz et al., 2013). In the second approach, we use a male ESC line that carries an inducible Xist transgene (TG) on chromosome 11 (chr11) (Wutz et al., 2000) in the presence (36:11 WT) or the absence of Eed (36:11 Eed-/-) Induction of Xist TG results in Xist coating and enrichment of JARID2 across the chr11, regardless of the presence of Eed when assess by IF/Xist RNA FISH experiments. We compare inducible and uninducible condition in both the 36:11 WT and Eed-/- ESCs; this way, we could assess the Xist-mediated JARID2 recruitment and the effect of the absence of Eed-/-; Our results shows that Xist induction result in a chromosome-wide enrichment of JARID2 on chr11, in a manner that resembles enrichment on the inactive X-chr; this pattern seem to be independent of EED, showing that in contrast to other regions in the genome where JARID2 occupancy is abrogated in the absence of EED, Xist-mediated JARID2 recruitment is not affected.
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Project description:RNA Sequencing of H1 WT hESCs, H1 QSER1 KO hESCs, H1 TET1 KO hESCs, H1 QSER1/TET1 DKO hESCs, WT Day10 embryoid bodies (EBs), QSER1 KO Day10 EBs, TET1 KO Day10 EBs, QSER1/TET1 DKO Day10 EBs, WT pancreatic progenitors (PP1), QSER1 KO PP1, TET1 KO PP1, and QSER1/TET1 DKO PP1. DNA methylation is essential to mammalian development, and dysregulation can cause serious pathological conditions. Key enzymes responsible for deposition and removal of DNA methylation are known, but how they cooperate to tightly regulate the methylation landscape remains a central question. Utilizing a knockin DNA methylation reporter, we performed a genome-wide CRISPR/Cas screen in human embryonic stem cells to discover DNA methylation regulators. The top screen hit was an uncharacterized gene QSER1, which proved to be a key guardian of bivalent promoters and poised enhancers of developmental genes, especially those residing in DNA methylation valleys (or canyons). We further demonstrate cooperation of QSER1 and TET1 through genetic and biochemical interactions to inhibit DNMT3-mediated de novo methylation and safeguard developmental programs.
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Project description:The Polycomb Group proteins foster gene repression profiles required for proper development and unimpaired adulthood, and comprise the components of the PRC2 complex including the histone H3 lysine 27 (H3K27) methyltransferase Ezh2. How mammalian PRC2 accesses chromatin is unclear. We find that Jarid2 associates with PRC2 and stimulates its enzymatic activity in vitro. Jarid2 contains a Jumonji C domain, but is devoid of detectable histone demethylase activity. Instead, its artificial recruitment to a promoter in vivo resulted in co-recruitment of PRC2 with resultant increased levels of H3K27me2/3. Jarid2 co-localizes with Ezh2 and MTF2, a homologue of Drosophila Pcl, at endogenous genes in ES cells. Jarid2 can itself bind DNA and its recruitment in ES cells is interdependent with that of PRC2 as Jarid2 knockdown reduced PRC2 at its target promoters, and ES cells devoid of the PRC2 component EED are deficient in Jarid2 promoter access. In addition to the well-documented defects in embryonic viability upon down-regulation of Jarid2, ES cell differentiation is impaired, as is Oct4 silencing. Examination of two factors in ES cells
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Project description:We reported loss of HBL1 lnRNA promoted cardiogenesis and the interaction of HBL1-JARID2 in hPSCs. Here we used specific JARID2 antibody to pull down their binding genomic DNAs in hPSCs, respectively, which let us know the potential genes regulated by HBL1-JARID2 during cardiogenesis. 1% Input samples were collected from the same samples after chromatin shearing.
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Project description:Genome-wide maps of JARID2 binding genes in WT and HBL1 KO human pluripotent stem cells (hPSCs).
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Project description:The Polycomb Group proteins foster gene repression profiles required for proper development and unimpaired adulthood, and comprise the components of the PRC2 complex including the histone H3 lysine 27 (H3K27) methyltransferase Ezh2. How mammalian PRC2 accesses chromatin is unclear. We find that Jarid2 associates with PRC2 and stimulates its enzymatic activity in vitro. Jarid2 contains a Jumonji C domain, but is devoid of detectable histone demethylase activity. Instead, its artificial recruitment to a promoter in vivo resulted in co-recruitment of PRC2 with resultant increased levels of H3K27me2/3. Jarid2 co-localizes with Ezh2 and MTF2, a homologue of Drosophila Pcl, at endogenous genes in ES cells. Jarid2 can itself bind DNA and its recruitment in ES cells is interdependent with that of PRC2 as Jarid2 knockdown reduced PRC2 at its target promoters, and ES cells devoid of the PRC2 component EED are deficient in Jarid2 promoter access. In addition to the well-documented defects in embryonic viability upon down-regulation of Jarid2, ES cell differentiation is impaired, as is Oct4 silencing.
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