ArticleCell genomics2025
Super RNA Pol II domains enhance minor ZGA through 3D interaction to ensure the integrity of major transcriptional waves in late-ZGA mammals.
Article in Cell genomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- The multi-omics regulatory landscape of human early embryogenesis.Cellular and molecular life sciences : CMLS · 2026Review
- Integrated Single-Cell analysis Reveals molecular correlation of maternal-to-zygotic transition between human and pig embryo.Journal of translational medicine · 2026Article
- Dynamic Landscape of Alternative Splicing During Early Embryogenesis of the Rhesus Monkey.International journal of molecular sciences · 2026Article
- Small-scale in situ Hi-C protocol for early embryos to resolve the three-dimensional genome structure.STAR protocols · 2025Article
- Embryo and prejudice: From diverse first transcriptional impressions to a common developmental path.Cell genomics · 2025Article
- Molecular factors driving the development of bovine embryos and embryo-like structures.Animal reproduction · 2025Review
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Authors and funding
22 authors.
Funding
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Abstract
Zygotic genome activation (ZGA) occurs at distinct stages across mammals, with mice initiating ZGA at the 2-cell stage and bovines and humans activating the process in the 4- to 8-cell stages. RNA polymerase II (RNA Pol II) gradually initiates ZGA in mice, but regulation in late-ZGA species remains unclear. Here, RNA Pol II profiling in bovine embryos identified strong intergenic clusters that boost minor ZGA gene expression via chromatin interactions and are named super RNA Pol II domains (SPDs). CRISPRi perturbation of SPDs in bovine embryos decreases the expression of minor ZGA genes, whereas the knockdown of these genes disrupts major ZGA and embryogenesis. Rapid enhancement of minor ZGA genes also occurs in human embryos. Alternatively, mouse and porcine oocytes precociously express these minor ZGA genes without SPDs. Thus, SPDs appear to be an adaptation in bovine embryos, promoting minor ZGA gene expression to comparable levels as early-ZGA species, illuminating species-specific regulation of ZGA timing.
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