Amplitude of the circadian rhythm of temperature in homeotherms
Abstract
In most endothermic homeotherms, core body temperature follows a circadian rhythm. This review focuses on the amplitude of the circadian rhythm of body temperature (CRT) because the amplitude of the CRT has received increasing attention in the last few years. First, we discuss the methodology that can be used to measure the CRT, and the methodology used to calculate the amplitude of the CRT. Then, we illustrate the effect of changes in the external and internal environments on the amplitude of the CRT. Quite interestingly, as illustrated in this paper, while the molecular and hormonal basis of the CRT is well understood, the control of the amplitude is not. We conclude that challenges in the capacity of the animal to thermoregulate, or to manage energy, can impact on the amplitude of the CRT.
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The amplitude of the 24-h rhythm of body temperature has been proposed as a proxy for the physiological welfare of mammals, with many mammals exhibiting homeothermy only when they have sufficient food and water and are not energetically challenged.
“The amplitude of the 24-h rhythm of body temperature has been proposed as a proxy for the physiological welfare of mammals (Hetem et al., 2016; Maloney et al., 2017; Maloney et al., 2019), with many mammals exhibiting homeothermy only when they have sufficient food and water and are not energetically challenged.”
From Temminck’s pangolins relax the precision of body temperature regulation when resources are scarce in a semi-arid environment (2023) · cites this paper as Maloney et al., 2019
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Temperature regulation in women: Effects of the menstrual cycle
Baker, F. C., Siboza, F., & Fuller, A. (2020) · Temperature · doi:10.1080/23328940.2020.1735927 · Cited by 262 · see citing works
Self-citationCircadian rhythmicity of body temperature and metabolism
Refinetti, R. (2020) · Temperature · doi:10.1080/23328940.2020.1743605 · Cited by 155 · see citing works
Panaino, W., Parrini, F., Kamerman, P. R., Hetem, R. S., Meyer, L. C. R., Smith, D., van Dyk, G., & Fuller, A. (2023) · Conservation Physiology · doi:10.1093/conphys/coad068 · Cited by 12 · see citing works
Self-citation
- Authors
- Maloney, S. K., Goh, G., Fuller, A., Vesterdorf, K., & Blache, D.
- Affiliations
- University of the Witwatersrand (ZA)
- The University of Western Australia (AU)
- Venue
- CABI Reviews
- Publisher
- CABI Publishing
- Published
- 2019-04-17
- Pages
- 1-30
- ISSN
- 1749-8848 (ISSN-L)
- OpenAlex
- W2940479377
- Cited by
- 25
- References
- 0
- Citations by year
- 2026: 1 · 2025: 4 · 2024: 3 · 2023: 5 · 2022: 5 · 2021: 3 · 2020: 2 · 2019: 2
- FWCI
- 1.66
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- CABI Reviews (publishedVersion)
- UWA Profiles and Research Repository (UWA) (submittedVersion)
- Topics
- Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
- Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
- Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
- Keywords
- circadian rhythm, body temperature, amplitude, homeotherms, endotherms, thermoregulation, ambient temperature, energy management, circadian clock, hormonal regulation
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