How do plants feel the heat?

Ron Mittler, Andrija Finka, Pierre Goloubinoff*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review


In plants, the heat stress response (HSR) is highly conserved and involves multiple pathways, regulatory networks and cellular compartments. At least four putative sensors have recently been proposed to trigger the HSR. They include a plasma membrane channel that initiates an inward calcium flux, a histone sensor in the nucleus, and two unfolded protein sensors in the endoplasmic reticulum and the cytosol. Each of these putative sensors is thought to activate a similar set of HSR genes leading to enhanced thermotolerance, but the relationship between the different pathways and their hierarchical order is unclear. In this review, we explore the possible involvement of different thermosensors in the plant response to warming and heat stress.

Original languageEnglish
Pages (from-to)118-125
Number of pages8
JournalTrends in Biochemical Sciences
Issue number3
StatePublished - Mar 2012
Externally publishedYes


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