Photic entrainment of the circadian clock: from Drosophila to mammals

2001 ◽  
Vol 12 (4) ◽  
pp. 317-328 ◽  
Author(s):  
Mauro A Zordan ◽  
Ezio Rosato ◽  
Alberto Piccin ◽  
Russell Foster
Keyword(s):  
Circadian Clock ◽  
Photic Entrainment

scholarly journals Candidates for photic entrainment pathways to the circadian clock via optic lobe neuropils in the Madeira cockroach

2020 ◽  
Vol 528 (10) ◽  
pp. 1754-1774
Author(s):  
Thordis Arnold ◽  
Sebastian Korek ◽  
Azar Massah ◽  
David Eschstruth ◽  
Monika Stengl
Keyword(s):  
Circadian Clock ◽  
Optic Lobe ◽  
Photic Entrainment

Involvement of calmodulin-dependent protein kinase II in the photic entrainment of mammalian circadian clock

1998 ◽  
Vol 31 ◽  
pp. S218
Author(s):  
Takahiro Moriya ◽  
Shin-Ichi Yokota ◽  
Yasuko Kouzu ◽  
Tatsuto Fukushima ◽  
Kohji Fukunaga ◽  
...  
Keyword(s):  
Protein Kinase ◽  
Circadian Clock ◽  
Dependent Protein Kinase ◽  
Photic Entrainment ◽  
Protein Kinase Ii ◽  
Dependent Protein

A Thalamic Contribution to Arousal-induced, Non-photic Entrainment of the Circadian Clock of the Syrian Hamster

1997 ◽  
Vol 9 (8) ◽  
pp. 1739-1747 ◽  
Author(s):  
Elizabeth S. Maywood ◽  
Emma Smith ◽  
Stephanie J. Hall ◽  
Michael H. Hastings
Keyword(s):  
Circadian Clock ◽  
Syrian Hamster ◽  
Photic Entrainment

scholarly journals Mitogen- and stress-activated protein kinase 1 modulates photic entrainment of the suprachiasmatic circadian clock

2012 ◽  
Vol 37 (1) ◽  
pp. 130-140 ◽  
Author(s):  
Ruifeng Cao ◽  
Greg Q. Butcher ◽  
Kate Karelina ◽  
J. Simon Arthur ◽  
Karl Obrietan
Keyword(s):  
Protein Kinase ◽  
Circadian Clock ◽  
Photic Entrainment

scholarly journals Photic Entrainment of the Circadian System

2022 ◽  
Vol 23 (2) ◽  
pp. 729
Author(s):  
Anna Ashton ◽  
Russell G. Foster ◽  
Aarti Jagannath
Keyword(s):  
Circadian Clock ◽  
Molecular Basis ◽  
Feedback Loop ◽  
Molecular Mechanisms ◽  
External World ◽  
Circadian System ◽  
Suprachiasmatic Nuclei ◽  
Photic Entrainment ◽  
External Time ◽  
Daily Changes

Circadian rhythms are essential for the survival of all organisms, enabling them to predict daily changes in the environment and time their behaviour appropriately. The molecular basis of such rhythms is the circadian clock, a self-sustaining molecular oscillator comprising a transcriptional–translational feedback loop. This must be continually readjusted to remain in alignment with the external world through a process termed entrainment, in which the phase of the master circadian clock in the suprachiasmatic nuclei (SCN) is adjusted in response to external time cues. In mammals, the primary time cue, or “zeitgeber”, is light, which inputs directly to the SCN where it is integrated with additional non-photic zeitgebers. The molecular mechanisms underlying photic entrainment are complex, comprising a number of regulatory factors. This review will outline the photoreception pathways mediating photic entrainment, and our current understanding of the molecular pathways that drive it in the SCN.

scholarly journals Green-sensitive opsin is the photoreceptor for photic entrainment of an insect circadian clock

2015 ◽  
Vol 1 (1) ◽  
Author(s):  
Sayaka Komada ◽  
Yuichi Kamae ◽  
Mitsumasa Koyanagi ◽  
Kousuke Tatewaki ◽  
Ehab Hassaneen ◽  
...  
Keyword(s):  
Circadian Clock ◽  
Photic Entrainment
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