Abstract
The paternal genome in many animal taxa is efficiently packaged into the sperm nucleus by switching from a histone (nucleosome)-based chromatin configuration to one using predominantly protamines. Nonetheless, various studies have shown that some nucleosomes, often containing modified histones are retained in mature sperm and bind DNA with distinct sequence compositions. Considering the significance of histone modifications in epigenetic phenomena and the fact that sperm histones and their bound DNA must be carried into the oocyte, this chapter describes methods aimed at examining and analysing the histone composition of sperm chromatin. The focus is on both microscopic visualisation and evaluation of sequence composition of histones and histone-bound DNA in human and mouse spermatozoa. However, similar methods may be applicable to the sperm of other mammalian and even non-mammalian classes.
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Acknowledgements
The authors gratefully acknowledge the assistance of the British Biotechnology and Science Research Council (BBSRC) and the German Research Foundation (DFG), Project 1 of the Clinical Research Unit KFO 181/2 for supporting the work on which this chapter in based.
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Miller, D., Paradowska, A. (2013). Evaluating the Localization and DNA Binding Complexity of Histones in Mature Sperm. In: Carrell, D., Aston, K. (eds) Spermatogenesis. Methods in Molecular Biology, vol 927. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-038-0_40
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DOI: https://doi.org/10.1007/978-1-62703-038-0_40
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