Circadian phototransduction: phase resetting and frequency of the circadian clock of Gonyaulax cells in red light.

@article{Johnson1989CircadianPP,
  title={Circadian phototransduction: phase resetting and frequency of the circadian clock of Gonyaulax cells in red light.},
  author={Carl Hirschie Johnson and John Woodland Hastings},
  journal={Journal of biological rhythms},
  year={1989},
  volume={4 4},
  pages={417-37}
}
Constant red light (RR) influences the Gonyaulax clock in several ways: (1) Phase resetting by white or blue light pulses is stronger under background RR than in constant white light (WW); (2) frequency of the rhythm is less in RR than in WW; and (3) the amplitude of the spontaneous flashing rhythm is greater in RR than in WW. The phase response curve (PRC) to 4-hr white or blue light pulses is of high amplitude (Type 0) for cells in RR, but is of lower amplitude (Type 1) for cells in WW. In… CONTINUE READING

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