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On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

Crosschecked: 0000-00-00

Cited: 0

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Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Zeng TAO

https://orcid.org/0000-0003-3981-6675

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Journal of Zhejiang University SCIENCE B 2021 Vol.22 No.10 P.791-804

http://doi.org/10.1631/jzus.B2100287


Transcriptional memory and response to adverse temperatures in plants


Author(s):  Wei XIE, Qianqian TANG, Fei YAN, Zeng TAO

Affiliation(s):  State Key Laboratory of Rice Biology, Zhejiang University, Hangzhou 310058, China; more

Corresponding email(s):   taozeng@zju.edu.cn

Key Words:  Transcriptional memory, Temperature stress, Vernalization, Cold acclimation, Thermomorphogenesis, Heat stress


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Abstract: 
Temperature is one of the major environmental signals controlling plant development, geographical distribution, and seasonal behavior. Plants perceive adverse temperatures, such as high, low, and freezing temperatures, as stressful signals that can cause physiological defects and even death. As sessile organisms, plants have evolved sophisticated mechanisms to adapt to recurring stressful environments through changing gene expression or transcriptional reprogramming. transcriptional memory refers to the ability of primed plants to remember previously experienced stress and acquire enhanced tolerance to similar or different stresses. Epigenetic modifications mediate transcriptional memory and play a key role in adapting to adverse temperatures. Understanding the mechanisms of the formation, maintenance, and resetting of stress-induced transcriptional memory will not only enable us to understand why there is a trade-off between plant defense and growth, but also provide a theoretical basis for generating stress-tolerant crops optimized for future climate change. In this review, we summarize recent advances in dissecting the mechanisms of plant transcriptional memory in response to adverse temperatures, based mainly on studies of the model plant Arabidopsis thaliana. We also discuss remaining questions that are important for further understanding the mechanisms of transcriptional memory during the adverse temperature response.

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