Synchronization of Plant Circadian Oscillators with a Phase Delay Effect of the Vein Network

Hirokazu Fukuda, Norihito Nakamichi, Mihoe Hisatsune, Haruhiko Murase, and Takeshi Mizuno
Phys. Rev. Lett. 99, 098102 – Published 29 August 2007

Abstract

Synchronization phenomena in coupled circadian oscillators of plant leaves were investigated experimentally using bioluminescence technology for a clock gene. Analyzing the phase of circadian oscillation, the phase-wave propagations and the phase delay caused by the vein network were observed. We describe these phase dynamics using a two-layer model with coupled Stuart-Landau equations. Global synchronization of circadian oscillators in the leaf is also investigated.

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  • Received 11 January 2007

DOI:https://doi.org/10.1103/PhysRevLett.99.098102

©2007 American Physical Society

Authors & Affiliations

Hirokazu Fukuda1,*, Norihito Nakamichi2, Mihoe Hisatsune1, Haruhiko Murase1, and Takeshi Mizuno2

  • 1Department of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai 599-8531, Japan
  • 2Laboratory of Molecular Microbiology, School of Agriculture, Nagoya University, Chikusa-ku, Nagoya, 464-8601 Japan

  • *fukuda@bioinfo.osakafu-u.ac.jp

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Issue

Vol. 99, Iss. 9 — 31 August 2007

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