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Tales from the crypt(ochromes).

Russell N Van Gelder1

  • 1Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St Louis, MO 63110, USA. vangelder@vision.wustl.edu

Journal of Biological Rhythms
|May 11, 2002
PubMed
Summary
This summary is machine-generated.

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Cryptochromes, blue-light receptors, regulate circadian rhythms and development across species. This review highlights their redundant functions and roles in light signaling for timekeeping.

Area of Science:

  • Biochemistry
  • Chronobiology
  • Molecular Biology

Background:

  • Cryptochromes are flavoproteins present in diverse organisms, from plants to humans.
  • They perform various functions, including regulating plant development and circadian rhythms in insects and mammals.

Purpose of the Study:

  • To review recent research on the functions of cryptochromes.
  • To summarize their roles in circadian timekeeping and photic entrainment pathways.

Main Methods:

  • Literature review of studies on cryptochromes in model organisms.
  • Analysis of cryptochrome functions in different tissues and species.

Main Results:

  • Cryptochromes exhibit redundant functions within organisms.

Related Experiment Videos

  • They are partially redundant with other photopigments in circadian light entrainment.
  • Cryptochromes can function in both phototransduction and core clock mechanisms.

    • Conclusions:

    • Cryptochromes are crucial for circadian timekeeping and light entrainment.
    • Their diverse roles underscore their evolutionary significance.
    • Understanding cryptochromes provides insights into biological timekeeping mechanisms.