ArticleCell reports2025
Acetylation at lysine 27 on maternal H3.3 regulates minor zygotic genome activation.
Article in Cell reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed.
- Article
- The multi-omics regulatory landscape of human early embryogenesis.Cellular and molecular life sciences : CMLS · 2026Review
- Regulation of zygotic genome activation by the nucleocytoplasmic ratio.Frontiers in cell and developmental biology · 2026Review
- The Nuclear Localization of ACLY Guards Early Embryo Development Through Recruiting P300 and HAT1 to Promote Histone Acetylation and Transcription.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Mouse and human embryonic genome activation initiate at the one-cell stage.Frontiers in cell and developmental biology · 2025Article
- The role and regulatory mechanisms of the TCA cycle in early embryonic development.Frontiers in cell and developmental biology · 2025Review
Corrections and comments
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Authors and funding
14 authors.
Funding
Abstract
Zygotic genome activation (ZGA) initiates transcription in early embryogenesis and requires extensive chromatin remodeling, including rapid incorporation of the histone variant H3.3. The distinct sources of H3.3 from paternal and maternal alleles (paH3.3 and maH3.3) complicate tracking their individual contributions. Here, using an H3.3B-hemagglutinin (HA)-tagged mouse model, we profile the temporal dynamics of paH3.3 and maH3.3, revealing a unique pattern of maH3.3 enrichment at the promoter regions from zygotes to 2-cell embryos, highlighting the crucial role of maternally stored H3.3 mRNAs and proteins (mH3.3) in pre-implantation development. Knockdown of mH3.3 compromises cleavage and minor ZGA. Mechanistically, mH3.3 facilitates minor ZGA through H3.3S31ph-dependent H3K27ac deposition. Profiling of H3.3 landscape in parthenogenetic (PG) and androgenetic (AG) embryos highlights the role of mH3.3 in remodeling the paternal genome by establishing H3K27ac. These findings demonstrate that mH3.3-mediated parental chromatin reprogramming is essential for orchestrating minor ZGA.
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Registered trials
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