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Biological Clocks and Seasonal Responses02:45

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A clock for all seasons.

Charlotte Helfrich-Förster1, Dirk Rieger2

  • 1Neurobiology and Genetics, Biocentre, University of Würzburg, Würzburg, Germany. charlotte.foerster@uni-wuerzburg.de.

Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
|June 19, 2024
PubMed
Summary
This summary is machine-generated.

Circadian clocks regulate daily and seasonal rhythms in organisms, enabling adaptation to environmental changes like day length. This research explores the mechanisms behind these crucial biological timekeeping adaptations.

Keywords:
Circadian clockColin S. PittendrighDavid S. SaundersDual oscillator modelErwin BünningPhotoperiodism

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Area of Science:

  • Chronobiology
  • Environmental Physiology
  • Animal Behavior

Background:

  • Circadian clocks are vital for aligning organismal activity and metabolism with daily and seasonal cycles.
  • Photoperiodism, the response to day length, allows organisms to anticipate and adapt to annual environmental shifts, especially at higher latitudes.

Discussion:

  • This special issue compiles research on diurnal and photoperiodic adaptations, covering historical perspectives, clock models, and molecular mechanisms.
  • Studies examine epigenetic, molecular, and neuronal pathways underlying seasonal adjustments and latitudinal variations in photoperiodic responses.

Key Insights:

  • Circadian and photoperiodic clocks are fundamental for seasonal adaptation and survival.
  • Understanding these adaptations is crucial for predicting organismal responses to global environmental change.

Outlook:

  • Future research should focus on wild studies and the impact of global change on circadian and photoperiodic systems.
  • Further investigation into the interplay of genetics, epigenetics, and environmental factors in seasonal adaptation is warranted.