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Thermal adaptation and plasticity of the plant circadian clock

Cited 23 time in Web of Science Cited 24 time in Scopus
Authors
Gil, Kyung-Eun; Park, Chung-Mo
Issue Date
2019-02
Citation
New Phytologist, Vol.221 No.3, pp.1215-1229
Keywords
ambient temperaturecircadian clockcold and heat stressglobal warmingheat shock proteintemperature compensationthermal adaptation and plasticityZEITLUPE (ZTL)
Abstract
Plant growth and development is widely affected by diverse temperature conditions. Although studies have been focused mainly on the effects of stressful temperature extremes in recent decades, nonstressful ambient temperatures also influence an array of plant growth and morphogenic aspects, a process termed thermomorphogenesis. Notably, accumulating evidence indicates that both stressful and nonstressful temperatures modulate the functional process of the circadian clock, a molecular timer of biological rhythms in higher eukaryotes and photosynthetic prokaryotes. The circadian clock can sustain robust and precise timing over a range of physiological temperatures. Genes and molecular mechanisms governing the temperature compensation process have been explored in different plant species. In addition, a ZEITLUPE/HSP90-mediated protein quality control mechanism helps plants maintain the thermal stability of the clock under heat stress. The thermal adaptation capability and plasticity of the clock are of particular interest in view of the growing concern about global climate changes. Considering these circumstances in the field, we believe that it is timely to provide a provoking discussion on the current knowledge of temperature regulation of the clock function. The review also will discuss stimulating ideas on this topic along with ecosystem management and future agricultural innovation.
ISSN
0028-646X
URI
https://hdl.handle.net/10371/172015
DOI
https://doi.org/10.1111/nph.15518
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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