Setting Clock Speed in Mammals

The CK1ε tau Mutation in Mice Accelerates Circadian Pacemakers by Selectively Destabilizing PERIOD Proteins

Qing Jun Meng, Larisa Logunova, Elizabeth S. Maywood, Monica Gallego, Jake Lebiecki, Timothy M. Brown, Martin Sládek, Andrei S. Semikhodskii, Nicholas R J Glossop, Hugh D. Piggins, Johanna E. Chesham, David A. Bechtold, Seung Hee Yoo, Joseph S. Takahashi, David M. Virshup, Raymond P. Boot-Handford, Michael H. Hastings, Andrew S I Loudon

Research output: Contribution to journalArticle

230 Citations (Scopus)

Abstract

The intrinsic period of circadian clocks is their defining adaptive property. To identify the biochemical mechanisms whereby casein kinase1 (CK1) determines circadian period in mammals, we created mouse null and tau mutants of Ck1 epsilon. Circadian period lengthened in CK1ε-/-, whereas CK1εtau/tau shortened circadian period of behavior in vivo and suprachiasmatic nucleus firing rates in vitro, by accelerating PERIOD-dependent molecular feedback loops. CK1εtau/tau also accelerated molecular oscillations in peripheral tissues, revealing its global role in circadian pacemaking. CK1εtau acted by promoting degradation of both nuclear and cytoplasmic PERIOD, but not CRYPTOCHROME, proteins. Together, these whole-animal and biochemical studies explain how tau, as a gain-of-function mutation, acts at a specific circadian phase to promote degradation of PERIOD proteins and thereby accelerate the mammalian clockwork in brain and periphery.

Original languageEnglish (US)
Pages (from-to)78-88
Number of pages11
JournalNeuron
Volume58
Issue number1
DOIs
StatePublished - Apr 10 2008

Fingerprint

Caseins
Mammals
Mutation
Circadian Clocks
Suprachiasmatic Nucleus
Proteolysis
Proteins
Brain
In Vitro Techniques

Keywords

  • MOLNEURO
  • SYSNEURO

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Meng, Q. J., Logunova, L., Maywood, E. S., Gallego, M., Lebiecki, J., Brown, T. M., ... Loudon, A. S. I. (2008). Setting Clock Speed in Mammals: The CK1ε tau Mutation in Mice Accelerates Circadian Pacemakers by Selectively Destabilizing PERIOD Proteins. Neuron, 58(1), 78-88. https://doi.org/10.1016/j.neuron.2008.01.019

Setting Clock Speed in Mammals : The CK1ε tau Mutation in Mice Accelerates Circadian Pacemakers by Selectively Destabilizing PERIOD Proteins. / Meng, Qing Jun; Logunova, Larisa; Maywood, Elizabeth S.; Gallego, Monica; Lebiecki, Jake; Brown, Timothy M.; Sládek, Martin; Semikhodskii, Andrei S.; Glossop, Nicholas R J; Piggins, Hugh D.; Chesham, Johanna E.; Bechtold, David A.; Yoo, Seung Hee; Takahashi, Joseph S.; Virshup, David M.; Boot-Handford, Raymond P.; Hastings, Michael H.; Loudon, Andrew S I.

In: Neuron, Vol. 58, No. 1, 10.04.2008, p. 78-88.

Research output: Contribution to journalArticle

Meng, QJ, Logunova, L, Maywood, ES, Gallego, M, Lebiecki, J, Brown, TM, Sládek, M, Semikhodskii, AS, Glossop, NRJ, Piggins, HD, Chesham, JE, Bechtold, DA, Yoo, SH, Takahashi, JS, Virshup, DM, Boot-Handford, RP, Hastings, MH & Loudon, ASI 2008, 'Setting Clock Speed in Mammals: The CK1ε tau Mutation in Mice Accelerates Circadian Pacemakers by Selectively Destabilizing PERIOD Proteins', Neuron, vol. 58, no. 1, pp. 78-88. https://doi.org/10.1016/j.neuron.2008.01.019
Meng, Qing Jun ; Logunova, Larisa ; Maywood, Elizabeth S. ; Gallego, Monica ; Lebiecki, Jake ; Brown, Timothy M. ; Sládek, Martin ; Semikhodskii, Andrei S. ; Glossop, Nicholas R J ; Piggins, Hugh D. ; Chesham, Johanna E. ; Bechtold, David A. ; Yoo, Seung Hee ; Takahashi, Joseph S. ; Virshup, David M. ; Boot-Handford, Raymond P. ; Hastings, Michael H. ; Loudon, Andrew S I. / Setting Clock Speed in Mammals : The CK1ε tau Mutation in Mice Accelerates Circadian Pacemakers by Selectively Destabilizing PERIOD Proteins. In: Neuron. 2008 ; Vol. 58, No. 1. pp. 78-88.
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