Are Protein Synthesis Inhibition and Phase Shifting of the Circadian Clock in Gonyaulax Correlated?
- 1 June 1987
- journal article
- research article
- Published by SAGE Publications in Journal of Biological Rhythms
- Vol. 2 (2) , 121-138
- https://doi.org/10.1177/074873048700200204
Abstract
We describe a method whereby the effect of protein synthesis inhibitors upon protein synthesis in Gonyaulax cultures may be reliably measured. Using this method, we found that protein synthesis inhibition and clock resetting were correlated, but that the correlation was not as close as has been reported in other systems. The effect of the inhibitors anisomycin and cycloheximide upon phase shifting of the circadian clock was a function of the illumination and temperature conditions to which the cells were subjected, but these factors did not appear to influence the inhibition of protein synthesis by these drugs. Cellular protein synthesis did not recover immediately from the inhibitors' effects; depending upon the previous concentration of the inhibitor, translational recovery from the drugs may require hours. This observation has important implications for the analysis of any phase response curve when the stimulus is a chemical.Keywords
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