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Macroscopic waves, biological clocks and morphogenesis driven by light in a giant unicellular green alga

Biology

Macroscopic waves, biological clocks and morphogenesis driven by light in a giant unicellular green alga

E. Afik, T. J. B. Liu, et al.

Discover the fascinating world of self-organized chloroplast waves in the giant unicellular alga *Caulerpa brachypus*. This research, conducted by Eldad Afik, Toni J. B. Liu, and Elliot M. Meyerowitz, reveals how these waves respond to light cycles and their connection to biological oscillators and morphogenesis.

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Playback language: English
Abstract
This research explores self-organized waves of chloroplasts in the giant unicellular alga *Caulerpa brachypus*, revealing their anticipatory behavior in response to the day-night light cycle. Using dynamical systems analysis, the study demonstrates the waves' coupling to a self-sustained oscillator and their dependence on light intensity and temporal patterns. Different morphologies are observed under varying light conditions, suggesting a link between chlorophyll waves, biological oscillators, metabolism, and morphogenesis in this single-celled organism.
Publisher
Nature Communications
Published On
Oct 04, 2023
Authors
Eldad Afik, Toni J. B. Liu, Elliot M. Meyerowitz
Tags
chloroplasts
Caulerpa brachypus
self-organization
light cycle
biological oscillators
morphogenesis
metabolism

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