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Chromatin-to-nucleoprotamine transition is controlled by the histone H2B variant TH2B

Open access
Montellier, Emilie, Boussouar, Fayçal, Rousseaux, Sophie, Zhang, Kai, Buchou, Thierry, Fenaille, François, Shiota, Hitoshi, Debernardi, Alexandra, Héry, Patrick, Curtet, Sandrine, Jamshidikia, Mahya, Barral, Sophie, Holota, Hélène, Bergon, Aurélie, Lopez, Fabrice, Guardiola, Philippe, Pernet, Karin, Imbert, Jean, Petosa, Carlo, Tan, Minjia, Zhao, Yingming, Gérard, Matthieu, Khochbin, Saadi·2013·Genes & Development

Abstract

The conversion of male germ cell chromatin to a nucleoprotamine structure is fundamental to the life cycle, yet the underlying molecular details remain obscure. Here we show that an essential step is the genome-wide incorporation of TH2B, a histone H2B variant of hitherto unknown function. Using mouse models in which TH2B is depleted or C-terminally modified, we show that TH2B directs the final transformation of dissociating nucleosomes into protamine-packed structures. Depletion of TH2B induces compensatory mechanisms that permit histone removal by up-regulating H2B and programming nucleosome instability through targeted histone modifications, including lysine crotonylation and arginine methylation. Furthermore, after fertilization, TH2B reassembles onto the male genome during protamine-to-histone exchange. Thus, TH2B is a unique histone variant that plays a key role in the histone-to-protamine packing of the male genome and guides genome-wide chromatin transitions that both precede and follow transmission of the male genome to the egg.

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Metadata

Authors
Montellier, E., Boussouar, F., Rousseaux, S., Zhang, K., Buchou, T., Fenaille, F., Shiota, H., Debernardi, A., Héry, P., Curtet, S., Jamshidikia, M., Barral, S., Holota, H., Bergon, A., Lopez, F., Guardiola, P., Pernet, K., Imbert, J., Petosa, C., Tan, M., Zhao, Y., Gérard, M., & Khochbin, S.
Venue
Genes & Development
Published
2013-07-24
Volume
27
Issue
15
Pages
1680-1692
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2157257207
Cited by
235
References
3
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Chromatin-to-nucleoprotamine transition is controlled by the histone H2B variant TH2B. https://app.cochat.ai/papers/10.1101/gad.220095.113
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Montellier, E., Boussouar, F., Rousseaux, S., Zhang, K., Buchou, T., Fenaille, F., Shiota, H., Debernardi, A., Héry, P., Curtet, S., Jamshidikia, M., Barral, S., Holota, H., Bergon, A., Lopez, F., Guardiola, P., Pernet, K., Imbert, J., Petosa, C., . . . Khochbin, S. (2013). Chromatin-to-nucleoprotamine transition is controlled by the histone H2B variant TH2B. Genes & Development. https://doi.org/10.1101/gad.220095.113

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