Evaluating the Adaptive Fitness of Circadian Clocks and their Evolution

Maria Luísa Jabbur, Chitrang Dani, Kamiel Spoelstra*, Antony N. Dodd*, Carl Hirschie Johnson*

*Corresponding author for this work

Research output: Contribution to journal/periodicalBook/Film/Article reviewScientific

3 Citations (Scopus)

Abstract

Surely most chronobiologists believe circadian clocks are an adaptation of organisms that enhances fitness, but are we certain that this focus of our research effort really confers a fitness advantage? What is the evidence, and how do we evaluate it? What are the best criteria? These questions are the topic of this review. In addition, we will discuss selective pressures that might have led to the historical evolution of circadian systems while considering the intriguing question of whether the ongoing climate change is modulating these selective pressures so that the clock is still evolving.

Original languageEnglish
JournalJournal of Biological Rhythms
DOIs
Publication statusE-pub ahead of print - 07 Jan 2024

Keywords

  • chronobiology
  • circadian
  • competition assay
  • cyanobacteria
  • evolution
  • fitness
  • phase angle

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