CK2alpha phosphorylates BMAL1 to regulate the mammalian clock.
CK2alpha phosphorylates BMAL1 to regulate the mammalian clock.
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CK2Alpha磷酸化BMAL1以调节哺乳动物时钟。
DOI:
10.1038/nsmb.1578
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发表时间:
2009-04
影响因子:
16.8
通讯作者:
Sassone-Corsi P
中科院分区:
文献类型:
--
作者:
Tamaru T;Hirayama J;Isojima Y;Nagai K;Norioka S;Takamatsu K;Sassone-Corsi P
Clock proteins govern circadian physiology and their function is regulated by a variety of mechanisms. Here we demonstrate that CK2α phosphorylates the core circadian regulator BMAL1. Gene silencing of CK2α or mutation of the highly conserved CK2-phosphorylation site in BMAL, Ser90, result in impaired nuclear BMAL1 accumulation and disruption of clock function. Importantly, phosphorylation at Ser90 follows a rhythmic pattern. These findings reveal that CK2 is an essential regulator of the mammalian circadian system.
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