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Contribution of transcription to animal early development #MMPMID25483604
Wang J; Davis RE
Transcription 2014[]; 5 (4): ä PMID25483604show ga
In mature gametes and during the oocyte-to-embryo transition, transcription is generally silenced and gene expression is post-transcriptionally regulated. However, we recently discovered that major transcription can occur immediately after fertilization, prior to pronuclear fusion, and in the first cell division of the oocyte-to-embryo transition in the nematode Ascaris suum. We postulate that the balance between transcriptional and post-transcriptional regulation during the oocyte-to-embryo transition may largely be determined by cell cycle length and thus the time available for the genome to be transcribed.