A dynamically coherent pattern of rhythms that matches between distant species across the evolutionary scale

Kembro, J.M., Flesia, A.G., Nieto, P.S., Caliva, D.M., Lloyd, David ORCID: https://orcid.org/0000-0002-5656-0571, Cortassa, S. and Aon, M.A. 2023. A dynamically coherent pattern of rhythms that matches between distant species across the evolutionary scale. Nature Scientific Reports 10.1038/s41598-023-32286-0

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Abstract

We address the temporal organization of circadian and ultradian rhythms, crucial for understanding biological timekeeping in behavior, physiology, metabolism, and alignment with geophysical time. Using a newly developed five-steps wavelet-based approach to analyze high-resolution time series of metabolism in yeast cultures and spontaneous movement, metabolism, and feeding behavior in mice, rats, and quails, we describe a dynamically coherent pattern of rhythms spanning over a broad range of temporal scales (hours to minutes). The dynamic pattern found shares key features among the four, evolutionary distant, species analyzed. Specifically, a branching appearance given by splitting periods from 24 h into 12 h, 8 h and below in mammalian and avian species, or from 14 h down to 0.07 h in yeast. Scale-free fluctuations with long-range correlations prevail below ~ 4 h. Synthetic time series modeling support a scenario of coexisting behavioral rhythms, with circadian and ultradian rhythms at the center of the emergent pattern observed.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Biosciences
Date of Acceptance:	25 March 2023
Last Modified:	03 Apr 2023 09:30
URI:	https://orca.cardiff.ac.uk/id/eprint/158269

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