Zygotic genome activation during the maternal-to-zygotic transition.
Zygotic genome activation during the maternal-to-zygotic transition.
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DOI:
10.1146/annurev-cellbio-100913-013027
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发表时间:
2014
影响因子:
11.3
通讯作者:
Giraldez AJ
中科院分区:
文献类型:
--
作者:
Lee MT;Bonneau AR;Giraldez AJ
Embryogenesis depends on a highly coordinated cascade of genetically encoded events. In animals, maternal factors contributed by the egg cytoplasm initially control development, while the zygotic nuclear genome is quiescent. Subsequently, the genome is activated, embryonic gene products are mobilized and maternal factors are cleared. This transfer of developmental control is called the maternal-to-zygotic transition (MZT). In this review, we discuss recent advances toward understanding the scope, timing and mechanisms that underlie zygotic genome activation at the MZT in animals. We describe high-throughput techniques to measure the embryonic transcriptome and explore how regulation of the cell cycle, chromatin and transcription factors together elicits specific patterns of embryonic gene expression. Finally, we discuss the interplay between zygotic transcription and maternal clearance, and show how these two activities combine to reprogram two terminally differentiated gametes into a totipotent embryo.
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Veenstra, Gert Jan C.
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11.8
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