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Circadian Rhythm
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Definition
: The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs and stimuli, hormone secretion, sleeping, and feeding.
drug administration based on circadian rhythm
See Also
Biological Clocks
;
Chronotherapy
;
Circadian Clocks
;
Photoperiod
Examples
Activity Cycles
Other names
Twenty-
Four Hour Rhythm; Nyctohemeral Rhythm; Diurnal Rhythm; Twenty-
Four Hour Rhythms; Twenty Four Hour Rhythm; Rhythms, Twenty-
Four Hour; Rhythms, Nyctohemeral; Rhythms, Diurnal; Rhythms, Circadian; Rhythm, Twenty-
Four Hour; Rhythm, Nyctohemeral; Rhythm, Diurnal; Rhythm, Circadian; Nyctohemeral Rhythms; Diurnal Rhythms; Circadian Rhythms
Substance
CAS Registry & name
Categories
Source
longdaysin
0
Adenine/*analogs & derivatives
Circadian Rhythm.
PLoS Biol 2010;8(12):e1000559
timeless2 protein, Drosophila
0
*Drosophila Proteins
Biological Clocks
Circadian Rhythm.
Curr Biol. 2010 Feb 23;20(4):346-52
curled protein, Drosophila
0
*Drosophila Proteins
Circadian Rhythm.
Genetics 2009 Sep;183(1):219-32
clock1 protein, zebrafish
0
*DNA-Binding Proteins
Circadian Rhythm.
J Neurogenet 2008 Apr-Jun;22(2):149-66
XCT protein, Arabidopsis
0
*Arabidopsis Proteins
Circadian Rhythm.
Plant Cell 2008 May;20(5):1244-59
CIR1 protein, Arabidopsis
0
*Arabidopsis Proteins
Circadian Rhythm.
Plant J 2007 Aug;51(3):512-25
TIC protein, Arabidopsis
0
*Nuclear Proteins
*Arabidopsis Proteins
Circadian Rhythm.
Plant Cell 2007 May;19(5):1522-36
PRR7 protein, Arabidopsis
0
*Transcription Factors
*Arabidopsis Proteins
Circadian Rhythm.
Plant Cell Physiol 2007 Jun;48(6):822-32
PRR5 protein, Arabidopsis
0
*Transcription Factors
*Arabidopsis Proteins
Circadian Rhythm.
Plant Cell Physiol 2007 Jun;48(6):822-32
clockwork orange protein, Drosophila
0
*Repressor Proteins
*Drosophila Proteins
Circadian Rhythm.
Genes Dev 2007 Jul 1;21(13):1675-86
CIPC protein, mouse
0
*Carrier Proteins
Circadian Rhythm.
Nat Cell Biol 2007 Mar;9(3):268-75
LARK protein, mouse
0
*RNA-Binding Proteins
Circadian Rhythm.
Proc Natl Acad Sci U S A. 2007 Feb 6;104(6):1859-64
Dec1 protein, zebrafish
0
*Zebrafish Proteins
*Basic Helix-Loop-Helix Transcription Factors
Circadian Rhythm.
Gene Expr Patterns 2006 Oct;6(8):919-27
PRR3 protein, Arabidopsis
0
*Transcription Factors
*Arabidopsis Proteins
Circadian Rhythm.
Plant Physiol 2006 Apr;140(4):1464-74
SRR1 protein, Arabidopsis
0
*Arabidopsis Proteins
Circadian Rhythm.
Genes Dev 2003 Jan 15;17(2):256-68
ARR3 protein, Arabidopsis
0
*Transcription Factors
*Arabidopsis Proteins
Circadian Rhythm.
Plant Cell 2006 Jan;18(1):55-69
Dbp protein, mouse
0
*DNA-Binding Proteins
*Transcription Factors
Circadian Rhythm
Leucine Zippers.
EARLY FLOWERING 4 protein, Arabidopsis
0
*Arabidopsis Proteins
Circadian Rhythm.
Nature 2002 Sep 5;419(6902):74-7
ZGT protein, Nicotiana tabacum
0
*Plant Proteins
Circadian Rhythm.
Plant Cell 2001 Jun;13(6):1411-25
PER2 protein, human
0
*Period Circadian Proteins
Circadian Rhythm.
Science 2001 Feb 9;291(5506):1040-3
TOC1 protein, Arabidopsis
0
*Transcription Factors
*Arabidopsis Proteins
Circadian Rhythm.
Science. 2000 Aug 4;289(5480):768-71
LIN-
42 protein, C elegans
0
*Transcription Factors
*Caenorhabditis elegans Proteins
Circadian Rhythm.
Science 1999 Nov 5;286(5442):1141-6
TIM-
1 protein, C elegans
0
*Caenorhabditis elegans Proteins
Circadian Rhythm.
Science 1999 Nov 5;286(5442):1141-6
KaiC protein, cyanobacteria
0
*Bacterial Proteins
*Circadian Rhythm Signaling Peptides and Proteins
Biological Clocks
Circadian Rhythm
Multigene Family.
Science 1998 Sep 4;281(5382):1519-23
KaiB protein, cyanobacteria
0
*Bacterial Proteins
*Circadian Rhythm Signaling Peptides and Proteins
Biological Clocks
Circadian Rhythm
Multigene Family.
Science 1998 Sep 4;281(5382):1519-23
KaiA protein, cyanobacteria
0
*Bacterial Proteins
*Circadian Rhythm Signaling Peptides and Proteins
Biological Clocks
Circadian Rhythm
Multigene Family.
Science 1998 Sep 4;281(5382):1519-23
LHY protein, Arabidopsis
0
*DNA-Binding Proteins
*Transcription Factors
Circadian Rhythm
Arabidopsis Proteins.
Cell 1998 Jun 26;93(7):1219-29
CYCLE protein, Drosophila
0
*Drosophila Proteins
*ARNTL Transcription Factors
Circadian Rhythm
Helix-Loop-Helix Motifs.
Cell 1998 May 29;93(5):805-14
Pex protein, Synechococcus
0
*Bacterial Proteins
Circadian Rhythm.
J Bacteriol 1998 Apr;180(8):2167-74
CRG-
1 protein, Drosophila
0
*Transcription Factors
*Drosophila Proteins
Circadian Rhythm.
EMBO J 1997 Jul 1;16(13):3944-54
N-
levulinoyl mannosamine
0
*Hexosamines
Circadian Rhythm.
Science 1997 May 16;276(5315):1125-8
Lark protein, Drosophila
0
*RNA-Binding Proteins
*Drosophila Proteins
Circadian Rhythm
Repressor Proteins.
J Neurobiol 1996 Sep;31(1):117-28
Dreg-
3 protein, Drosophila
0
*Iron-Sulfur Proteins
*Drosophila Proteins
Circadian Rhythm.
Curr Biol 1995 Dec 1;5(12):1424-36
Reg-
2 protein, Drosophila
0
*Drosophila Proteins
Circadian Rhythm.
Curr Biol 1995 Dec 1;5(12):1424-36
nocturnin
0
*Nuclear Proteins
*Transcription Factors
Circadian Rhythm.
Proc Natl Acad Sci U S A 1996 Dec 10;93(25):14884-8
timeless protein, Drosophila
0
*Drosophila Proteins
Biological Clocks
Circadian Rhythm.
Science 1995 Nov 3;270(5237):805-8
Ppnr protein, mouse
0
*Proteins
Circadian Rhythm
Nerve Tissue Proteins.
Brain Res Mol Brain Res 1994 Oct;26(1-2):197-206
ABI3 protein, Arabidopsis
0
*Arabidopsis Proteins
Circadian Rhythm.
Plant Cell 1994 Nov;6(11):1567-82
FRQ protein, Neurospora crassa
0
*Fungal Proteins
Circadian Rhythm.
EMBO J 1994 May 15;13(10):2257-66
luciferin-
binding protein, dinoflagellate
0
*Calcium-Binding Proteins
*Protozoan Proteins
Circadian Rhythm.
Proc Natl Acad Sci U S A 1994 Jun 7;91(12):5257-61
DBP protein, human
0
*DNA-Binding Proteins
*Transcription Factors
Circadian Rhythm
Leucine Zippers.
Cell 1990;61(2):279