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Hot Topic: Thermosensing in Plants
  • +2
  • Scott Hayes,
  • Joëlle Schachtschabel,
  • Michael Mishkind,
  • Teun Munnik,
  • Steven Arisz
Scott Hayes
Wageningen University & Research
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Joëlle Schachtschabel
University of Amsterdam
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Michael Mishkind
National Science Foundation Directorate for Biological Sciences
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Teun Munnik
Swammerdam Institute for Life Sciences
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Steven Arisz
University of Amsterdam
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Abstract

Plants alter their morphology and cellular homeostasis to promote resilience under a variety of heat regimes. Molecular processes that underlie these responses have been intensively studied and found to encompass diverse mechanisms operating across a broad range of cellular components, timescales and temperatures. This review explores recent progress throughout this landscape with a particular focus on thermosensing in plants. Direct temperature sensors include the photosensors phytochrome B and phototropin, the clock component ELF3 and an RNA switch. In addition, there are heat-regulated processes mediated by ion channels, lipids and lipid-modifying enzymes taking place at the plasma membrane and the chloroplast. In some cases the mechanism of temperature perception is well understood but in others this remains an open question. Potential novel thermosensing mechanisms are based on lipid and liquid phase separation. Finally, future research directions of high temperature perception and signalling pathways are discussed.

Peer review status:UNDER REVIEW

04 Sep 2020Submitted to Plant, Cell & Environment
05 Sep 2020Assigned to Editor
05 Sep 2020Submission Checks Completed
19 Sep 2020Reviewer(s) Assigned