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Circadian Clocks

Known as: Circadian Timing System, Timing System, Circadian, Clocks, Circadian 
Biological mechanism that controls CIRCADIAN RHYTHM. Circadian clocks exist in the simplest form in cyanobacteria and as more complex systems in… 
National Institutes of Health

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3 relations
Circadian Rhythmsaspects of radiation effectsphysiological aspects

Papers overview

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1985
1985
Circadian rhythms and photoperiodism.
The circadian timing system plays a critical role in the regulation of seasonal modifications in reproductive function. By… 
1985
1985
Sodium restriction amplifies and propranolol loading inhibits circadian rhythm of plasma renin-angiotensin and aldosterone.
Five male and 5 female clinically healthy volunteers, 17-37 years of age, gave systemic venous blood at 0600, 0800, 1200, 1800… 
1984
1984
Is there more than one circadian clock in humans? Evidence from fractional desynchronization studies.
Three groups of four healthy volunteers lived in an isolation unit for 24 days. During this time they lived by a clock which… 
1981
1981
Cycloheximide-induced phase shifting of circadian clock of Neurospora.
Cycloheximide (CHX), an inhibitor of cytosolic (80S) protein synthesis in eucaryotes, causes phase shifts of the circadian clock… 
1980
1980
Circadian rhythm of intestinal sucrase activity in rats. Mechanism of enzyme change.
Past investigation has revealed that the circadian rhythm of intestinal sucrase activity in rats is primarily cued by the time of… 
1980
1980
Protein synthesis requirement of the Aplysia circadian clock. Tested by active and inactive derivatives of the inhibitor anisomycin.
1. The circadian rhythm of compound action potential frequency recorded from the isolated eye of Aplysia in culture medium and… 
1980
1980
Circadian rhythm from the eye of Aplysia: temperature compensation of the effects of protein synthesis inhibitors.
1. The circadian rhythm of compound action potentials (CAP) frequency recorded from the isolated eye of Aplysia in culture medium… 
1979
1979
Circadian rhythm of cholesterol biosynthesis: dietary regulation in the liver and small intestine of hamsters.
  • Ho Kj
  • 1979
  • Corpus ID: 89543980
Sixty three hamsters were divided into two groups which were exposed to the same rigid lighting schedule (06(00)--18(00)) but fed… 
1976
1976
Complementation analysis of linked circadian clock mutants of Neurospora crassa.
A fourth mutant of Neurospora crassa, designated frq-4, has been isolated in which the period length of the circadian conidiation… 
1970
1970
Circadian rhythm in plasma inorganic phosphorus and sulfur of the rat: also in susceptibility to strychnine.
In the first phase of this investigation adult, male Sprague-Dawley rats were maintained under rigidly standardized environmental…