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Related Experiment Videos

Flexible clock systems: adjusting the temporal programme.

Daan R van der Veen1, Sjaak J Riede2, Paul D Heideman3

  • 1School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK d.vanderveen@surrey.ac.uk.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|October 11, 2017
PubMed
Summary

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Environmental timing cues are crucial for animal fitness. Peripheral circadian clocks enable adaptive phenotypes by synchronizing daily rhythms with natural cycles, highlighting the need to study animals in their natural habitats.

Area of Science:

  • Chronobiology
  • Ecology
  • Animal Physiology

Background:

  • Environmental factors like time of day and season provide critical timing cues for biological systems.
  • Laboratory settings often standardize these cues, creating a disparity with natural conditions.
  • Temporal coordination of biological processes in nature is vital for maximizing fitness by balancing key survival activities.

Purpose of the Study:

  • To investigate the role of peripheral circadian clocks in driving adaptive phenotypes.
  • To explore the interactions between reproduction, endocrine activity, metabolism, and peripheral clocks.
  • To understand the complex phenotypes resulting from alterations in the peripheral timing system.

Main Methods:

  • Focus on the functional role of peripheral circadian clocks.
Keywords:
chronobiologycircadianclocksperipheral clocksseasonalitytiming

Related Experiment Videos

  • Analysis of how reproduction, endocrine activity, and metabolism interface with peripheral clocks.
  • Examination of phenotypes associated with changes in peripheral timing mechanisms.

    • Main Results:

    • Peripheral circadian clocks and their driven rhythms are essential for adaptive phenotypes.
    • Interactions between physiological systems (reproduction, endocrine, metabolism) and peripheral clocks shape complex phenotypes.
    • Discrepancies between natural and laboratory timing cues lead to significant differences in behavior and physiology.

    Conclusions:

    • Peripheral timing is critical for the adaptive plasticity of circadian organization in natural environments.
    • Understanding fitness maximization requires studying these mechanisms under natural conditions.
    • Abandoning standard laboratory settings is necessary to uncover the mechanisms of this plasticity.