|Citation||Ito, S., Fujiyama-Nakamura, S., Kimura, S., Lim, J., Kamoshida, Y., Shiozaki-Sato, Y., Sawatsubashi, S., Suzuki, E., Tanabe, M., Ueda, T., Murata, T., Kato, H., Ohtake, F., Fujiki, R., Miki, T., Kouzmenko, A., Takeyama, K., Kato, S. (2012). Epigenetic Silencing of Core Histone Genes by HERS in Drosophila. Mol. Cell 45(4): 494--504. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||Cell cycle-dependent expression of canonical histone proteins enables newly synthesized DNA to be integrated into chromatin in replicating cells. However, the molecular basis of cell cycle-dependency in the switching of histone gene regulation remains to be uncovered. Here, we report the identification and biochemical characterization of a molecular switcher, HERS (histone gene-specific epigenetic repressor in late S phase), for nucleosomal core histone gene inactivation in Drosophila. HERS protein is phosphorylated by a cyclin-dependent kinase (Cdk) at the end of S-phase. Phosphorylated HERS binds to histone gene regulatory regions and anchors HP1 and Su(var)3-9 to induce chromatin inactivation through histone H3 lysine 9 methylation. These findings illustrate a salient molecular switch linking epigenetic gene silencing to cell cycle-dependent histone production.|
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|Language of Publication||English|
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|Natural transposons (1)|