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Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos (STAR-ChIP)

ABSTRACT: Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos (STAR-ChIP)

PROVIDER: PRJNA664996 | ENA |

REPOSITORIES: ENA

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Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos (STAR-ChIP)

Project description:Polycomb repressive complexes 1 and 2 (PRC1/2) maintain transcriptional silencing of developmental genes largely by catalyzing mono-ubiquitination of histone H2A at lysine 119 (H2AK119ub1) and trimethylation of histone H3 at lysine 27 (H3K27me3), respectively. How Polycomb domains are reprogrammed during mammalian preimplantation development remains largely unclear. Here we show that, although H2AK119ub1 and H3K27me3 are highly colocalized in gametes, they undergo differential reprogramming dynamics following fertilization. H3K27me3 maintains thousands of maternally biased domains up to the blastocyst stage, whereas maternally biased H2AK119ub1 distribution in zygotes is largely equalized at the two-cell stage. Notably, while maternal PRC2 depletion has a limited effect on global H2AK119ub1 in early embryos, it disrupts allelic H2AK119ub1 at H3K27me3 imprinting loci including Xist. By contrast, acute H2AK119ub1 depletion in zygotes does not affect H3K27me3 imprinting maintenance, at least by the four-cell stage. Importantly, loss of H2AK119ub1, but not H3K27me3, causes premature activation of developmental genes during zygotic genome activation (ZGA) and subsequent embryonic arrest. Thus, our study reveals distinct dynamics and functions of H3K27me3 and H2AK119ub1 in mouse preimplantation embryos.

2021-03-15 | GSE158360 | GEO

Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos

Project description:Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos

| PRJNA642900 | ENA

Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos (RNA-Seq)

2021-03-15 | GSE153530 | GEO

Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos (CUT&RUN)

2021-03-15 | GSE153529 | GEO

Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos (CUT&RUN)

Project description:Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos (CUT&RUN)

| PRJNA642902 | ENA

Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos (RNA-Seq)

Project description:Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos (RNA-Seq)

| PRJNA642903 | ENA

Distinct dynamics and functions of H2AK119ub and H3K27me3 in mouse preimplantation embryos

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-03-15 | GSE153531 | GEO

Distinct dynamics and functions of H2AK119ub1 and H3K27me3 in mouse preimplantation embryos.

Project description: Not available

| S-EPMC8092361 | biostudies-literature

ChIPseq on H3K27ac, H3K27me3 and H2AK119Ub on TXY cell line

Project description:ChIPseq on H3K27ac, H3K27me3 and H2AK119Ub on TXY cell line

| PRJNA478785 | ENA

Chromatin remodeling in bovine oocytes and preimplantation embryos

Project description:Profiles of H3K4me3, H3K27ac, H3K27me3 and H3K9me3 in bovine GV oocytes and preimplantation embryos, and the characterization of chromatin accessibility in bovine blastocyst, inner cell mass and trophectoderm.

2023-02-16 | GSE193640 | GEO

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