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Accessible chromatin reveals regulatory mechanisms underlying cell fate decisions during early embryogenesis.


ABSTRACT: This study was conducted to investigate epigenetic landscape across multiple species and identify transcription factors (TFs) and their roles in controlling cell fate decision events during early embryogenesis. We made a comprehensively joint-research of chromatin accessibility of five species during embryogenesis by integration of ATAC-seq and RNA-seq datasets. Regulatory roles of candidate early embryonic TFs were investigated. Widespread accessible chromatin in early embryos overlapped with putative cis-regulatory sequences. Sets of cell-fate-determining TFs were identified. YOX1, a key cell cycle regulator, were found to homologous to clusters of TFs that are involved in neuron and epidermal cell-fate determination. Our research provides an intriguing insight into evolution of cell-fate decision during early embryogenesis among organisms.

SUBMITTER: Fan T 

PROVIDER: S-EPMC8042068 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2020-08-07 | GSE140890 | GEO