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Title: Photoperiod sensitivity of the Arabidopsis circadian clock is tissue-specific.
Authors: Shimizu, Hanako
Araki, Takashi  kyouindb  KAKEN_id  orcid (unconfirmed)
Endo, Motomu
Author's alias: 遠藤, 求
Keywords: ambient signal
circadian clock
phase shift
Issue Date: 15-Jul-2015
Publisher: Taylor & Francis Group
Journal title: Plant signaling & behavior
Volume: 10
Issue: 6
Thesis number: e1010933
Abstract: Tissue-specific functions of the circadian clock in Arabidopsis have recently been revealed. The vasculature clock shows distinctive gene expression profiles compared to the clock in other tissues under light-dark cycles. However, it has not yet been established whether the vasculature clock also shows unique gene expression patterns that correlate with temperature cycles, another important environmental cue. Here, we detected diel phase of TIMING OF CAB EXPRESSION 1 (TOC1) expression in the vasculature and whole leaf under long-day light-dark cycles and temperature cycles. We found that the vasculature clock had advanced TOC1 phase under light-dark cycles but not under temperature cycles, suggesting that the vasculature clock has lower sensitivity against temperature signals. Furthermore, the phase advancement of TOC1 was seen only under long-day condition but not under short-day condition. These results support our previous conclusion that the circadian clock in vasculature preferentially senses photoperiodic signals.
Rights: © 2015 The Author(s). Published with license by Taylor & Francis Group, LLC.
This is an Open Access article distributed under the terms of the Creative Commons Attribution-Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted.
Permission is granted subject to the terms of the License under which the work was published. Please check the License conditions for the work which you wish to reuse. Full and appropriate attribution must be given. This permission does not cover any third party copyrighted material which may appear in the work requested.
DOI(Published Version): 10.1080/15592324.2015.1010933
PubMed ID: 26176897
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