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Clearance of Parental Products

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Part of the book series: Advances in Experimental Medicine and Biology ((AEMB,volume 953))

Abstract

The beginning of development is controlled parentally. For example, early zygotic proteosynthesis produces proteins encoded by the maternal transcriptome. As parental factors become replaced by factors synthesized in the embryo, parental developmental control is gradually passed to the embryo. This chapter focuses on the clearance of parental factors during oocyte-to-embryo transition in vertebrates. Coordinated removal of parental factors erases ancestral oocyte identity of the zygote and facilitates reprogramming of gene expression into a state that will support development of a new organism. Here, we will review functional and mechanistic aspects of clearance of selected parental factors from early embryos, including different types of maternal RNAs, proteins, erasure of chromatin features of maternal and paternal genomes, as well as consumption of yolk and elimination of paternal mitochondria.

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Acknowledgment

We thank members of the Laboratory of Epigenetic Regulations at the Institute of Molecular Genetics (AS CR) for their help with the manuscript preparation, Vedran Franke and Kristian Vlahovicek for their continuous help with high-throughput data analysis, and Richard M. Schultz for his useful discussions. The main support for studying early development in the Laboratory of Epigenetic Regulations is provided by the Czech Science Foundation (grant GACR P305/12/G034); the Czech Ministry of Education, Youth and Sports (project NPU I LO1419 Biomodels4Health); and the European Research Council Consolidator project D-FENS.

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Correspondence to Petr Svoboda .

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© 2017 Springer International Publishing Switzerland

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Svoboda, P., Fulka, H., Malik, R. (2017). Clearance of Parental Products. In: Pelegri, F., Danilchik, M., Sutherland, A. (eds) Vertebrate Development. Advances in Experimental Medicine and Biology, vol 953. Springer, Cham. https://doi.org/10.1007/978-3-319-46095-6_10

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