Real time PCR is used to quantitatively measure the amount of RNA corresponding to our clock and output (clock-controlled) genes present at various times of the day. These amounts tell us the level of expression of specific ...

Almost all organisms present in nature exhibit a circadian rhythm, a 24 hour cycle in which the organism undergoes both physiological and behavioral changes based on the time of day. The circadian control of physiological ...

Examines when circadian gene expression is first observed in developing Xenopus laevis eyes.