Episodic Ultradian Events—Ultradian Rhythms

In the fast lane of chronobiology, ultradian events are short-term rhythms that have been observed since the beginning of modern biology and were quantified about a century ago. They are ubiquitous in all biological systems and found in all organisms, from unicellular organisms to mammals, and from...

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Veröffentlicht in:Biology (Basel, Switzerland) Jg. 8; H. 1; S. 15
Hauptverfasser: Goh, Grace H., Maloney, Shane K., Mark, Peter J., Blache, Dominique
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Switzerland MDPI AG 14.03.2019
MDPI
Schlagworte:
Adaptation
Animalia
Behavior
Biological rhythms
Body temperature
Central nervous system
Circadian rhythm
Data collection
gene
Gene expression
Hormones
Mammals
methodology
Neurosciences
Physiology
Review
Sheep
short-term rhythms
temperature
Time series
Ultradian rhythms
temperature
short-term rhythms
gene
methodology
central nervous system
ISSN:2079-7737, 2079-7737
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:In the fast lane of chronobiology, ultradian events are short-term rhythms that have been observed since the beginning of modern biology and were quantified about a century ago. They are ubiquitous in all biological systems and found in all organisms, from unicellular organisms to mammals, and from single cells to complex biological functions in multicellular animals. Since these events are aperiodic and last for a few minutes to a few hours, they are better classified as episodic ultradian events (EUEs). Their origin is unclear. However, they could have a molecular basis and could be controlled by hormonal inputs—in vertebrates, they originate from the activity of the central nervous system. EUEs are receiving increasing attention but their aperiodic nature requires specific sampling and analytic tools. While longer scale rhythms are adaptations to predictable changes in the environment, in theory, EUEs could contribute to adaptation by preparing organisms and biological functions for unpredictability.
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ISSN:2079-7737
2079-7737
DOI:10.3390/biology8010015