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Updated: May 25, 2026

Identification of Novel Regulators of Plant Transpiration by Large-Scale Thermal Imaging Screening in Helianthus Annuus

Identification of Novel Regulators of Plant Transpiration by Large-Scale Thermal Imaging Screening in Helianthus Annuus

Published on: January 30, 2020

How do plants feel the heat?

Ron Mittler¹, Andrija Finka, Pierre Goloubinoff

¹Department of Biological Sciences, College of Arts and Sciences, University of North Texas, 1155 Union Circle #305220, Denton, TX 76203, USA. Pierre.Goloubinoff@unil.ch

Trends in Biochemical Sciences

|January 13, 2012

Summary

This summary is machine-generated.

Plants possess a conserved heat stress response (HSR) involving multiple sensors. This review explores how different thermosensors, like calcium channels and unfolded protein sensors, trigger HSR pathways to enhance thermotolerance.

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Published on: May 8, 2015

Area of Science:

Plant Biology
Molecular Biology
Stress Physiology

Background:

The heat stress response (HSR) is a conserved mechanism in plants crucial for survival under elevated temperatures.
Multiple cellular compartments and regulatory networks are involved in orchestrating the plant's HSR.

Purpose of the Study:

To review and explore the potential roles of various thermosensors in initiating the plant heat stress response.
To discuss the relationships and hierarchical order among different HSR-triggering pathways.

Main Methods:

Literature review of recent findings on plant heat stress sensing mechanisms.
Analysis of proposed thermosensor models and their downstream effects on HSR gene activation.

Main Results:

At least four putative thermosensors have been identified, including plasma membrane calcium channels, nuclear histone sensors, and endoplasmic reticulum/cytosolic unfolded protein sensors.
These sensors are hypothesized to converge on similar HSR gene sets, leading to increased thermotolerance.

Conclusions:

The precise interplay and hierarchical activation of these different thermosensing pathways remain to be fully elucidated.
Understanding these sensors is key to comprehending plant adaptation to thermal stress and developing climate-resilient crops.