Distinct heat shock factors and chromatin modifications mediate the organ-autonomous transcriptional memory of heat stress

The Plant Journal : for Cell and Molecular Biology
Hsiang-Chin LiuIsabel Bäurle

Abstract

Plants can be primed by a stress cue to mount a faster or stronger activation of defense mechanisms upon subsequent stress. A crucial component of such stress priming is the modified reactivation of genes upon recurring stress; however, the underlying mechanisms of this are poorly understood. Here, we report that dozens of Arabidopsis thaliana genes display transcriptional memory, i.e. stronger upregulation after a recurring heat stress, that lasts for at least 3 days. We define a set of transcription factors involved in this memory response and show that the transcriptional memory results in enhanced transcriptional activation within minutes of the onset of a heat stress cue. Further, we show that the transcriptional memory is active in all tissues. It may last for up to a week, and is associated during this time with histone H3 lysine 4 hypermethylation. This transcriptional memory is cis-encoded, as we identify a promoter fragment that confers memory onto a heterologous gene. In summary, heat-induced transcriptional memory is a widespread and sustained response, and our study provides a framework for future mechanistic studies of somatic stress memory in higher plants.

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Citations

Feb 23, 2020·Journal of Experimental Botany·Isabel Bäurle, Inês Trindade
Jul 10, 2020·Journal of Integrative Plant Biology·Min LiuZhicheng Dong
Jul 21, 2020·Journal of Experimental Botany·Pierre-Nicolas Boulc'hIvan Couée
Jun 17, 2020·Plant Signaling & Behavior·Kohey OyoshiNobuhiro Suzuki
Jun 10, 2018·Plant, Cell & Environment·Krzysztof BrzezinkaIsabel Bäurle
Jun 20, 2018·Plant, Cell & Environment·Thomas FriedrichDaniel Schubert
Jul 12, 2018·The Plant Journal : for Cell and Molecular Biology·Sheila McCormick
Apr 27, 2019·Frontiers in Plant Science·Stéphane MauryIva Mozgova
Jun 25, 2019·Journal of Phycology·Ikuya KishimotoKoji Mikami
Mar 15, 2020·Journal of Plant Research·Kentaro Tamura
Dec 6, 2020·The Plant Journal : for Cell and Molecular Biology·Ze-Ting SongJian-Xiang Liu
Dec 15, 2020·Plant, Cell & Environment·Scott HayesSteven A Arisz
Dec 6, 2020·Journal of Experimental Botany·Norbert AndrásiLászló Szabados
Feb 12, 2021·Current Opinion in Plant Biology·Vicky OberkoflerIsabel Bäurle
Jan 29, 2021·Current Opinion in Plant Biology·Kaixuan HeXian Deng
May 8, 2021·Biological Reviews of the Cambridge Philosophical Society·Ashish Kumar SrivastavaPenna Suprasanna
Jun 10, 2021·Nature Communications·Thomas FriedrichIsabel Bäurle
Jul 23, 2021·Critical Reviews in Biotechnology·Roshan Kumar Singh, Manoj Prasad
Jun 30, 2021·Journal of Experimental Botany·Mastoureh SedaghatmehrSalma Balazadeh
Oct 13, 2021·Journal of Zhejiang University. Science. B·Wei XieZeng Tao

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