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Rhythmic CLOCK-BMAL1 binding to multiple E-box motifs drives circadian Dbp transcription and chromatin transitions

Ripperger, Jürgen A, Schibler, Ueli·2006·Nature Genetics

Abstract

Mammalian circadian rhythms are based on transcriptional and post-translational feedback loops. Essentially, the activity of the transcription factors BMAL1 (also known as MOP3) and CLOCK is rhythmically counterbalanced by Period (PER) and Cryptochrome (CRY) proteins to govern time of day–dependent gene expression. Here we show that circadian regulation of the mouse albumin D element–binding protein (Dbp) gene involves rhythmic binding of BMAL1 and CLOCK and marked daily chromatin transitions. Thus, the Dbp transcription cycle is paralleled by binding of BMAL1 and CLOCK to multiple extra- and intragenic E boxes, acetylation of Lys9 of histone H3, trimethylation of Lys4 of histone H3 and a reduction of histone density. In contrast, the antiphasic daily repression cycle is accompanied by dimethylation of Lys9 of histone H3, the binding of heterochromatin protein 1α and an increase in histone density. The rhythmic conversion of transcriptionally permissive chromatin to facultative heterochromatin relies on the presence of functional BMAL1-CLOCK binding sites.

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Research works printed but not linked: 24

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Metadata

Authors
Ripperger, J. A., & Schibler, U.
Venue
Nature Genetics
Published
2006-02-12
Volume
38
Issue
3
Pages
369-374
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2084770232
Cited by
599
References
6
FWCI
15.44
Type
journal article
Language
en
Open access
closed
Licence
www.springer.com/tdm (tdm)

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CoChat. (2026). Citation check: Rhythmic CLOCK-BMAL1 binding to multiple E-box motifs drives circadian Dbp transcription and chromatin transitions. https://app.cochat.ai/papers/10.1038/ng1738
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Ripperger, J. A., & Schibler, U. (2006). Rhythmic CLOCK-BMAL1 binding to multiple E-box motifs drives circadian Dbp transcription and chromatin transitions. Nature Genetics. https://doi.org/10.1038/ng1738

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