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  1. ...cell. This process is orchestrated by changes 11 in transcriptional regulation, influenced by chromatin accessibility and 12 epigenetic modifications, enabling transcription factor accessibility. Epigenomic 13 regulation of embryogenesis has been studied in model fish, but little attention 14 has been...
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  2. ...or architectural structural proteins might bind at these enhancer regions to help establish enhancer domains and/or enhancer–promoter loops in the developing embryo, possibly to help prime these loci for future transcription. To test for factor binding, we performed the Assay for Transposase-Accessible Chromatin...
  3. ...In a new window Figure 5. H3K27ac premarking is associated with future gain of histone modifications and accessibility at later stages in medaka. (A) Heatmap showing histone modification enrichments (H3K27ac, H3K27me3, and H3K4me2) and chromatin accessibility (Nakamura et al. 2021) at H3K27ac...
  4. ...cell cycles proceed under the control of maternally provided factors (Jukam et al. 2017). During this process, epigenetic modifications and chromatin accessibility are globally reprogrammed (Lee et al. 2014). Next, zygotic activation (ZGA), simultaneous transcription of thousands of zygotic genes...
  5. ...'s delicate function during development and differentiation, spatiotemporal gene expression is strictly controlled by chromatin accessibility and cell type–specific transcription factors, jointly representing the regulatory landscape. Bulk sequencing technology and cellular heterogeneity obscured...
  6. ...-confidence transcripts in 28,912 loci, recovering the vast majority of expressed RefSeq transcripts while identifying thousands of novel isoforms and expressed loci. We defined a stringent set of 1133 noncoding multi-exonic transcripts expressed during embryogenesis. These include long intergenic ncRNAs (linc...
  7. ...regulatory regions (SPARRs), are simultaneously active in both species during the phylotypic period. Interestingly, genes associated with this small set of co-acetylated regions show a broader and more complex regulatory landscape. In fact, this collection of genes is highly enriched in transcription factors...
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