Molecular epigenetic mechanisms for the memory of temperature stresses in plants

Zhaoxu Gao; Yue Zhou; Yuehui He

doi:10.1016/j.jgg.2022.07.004

Volume 49 Issue 11

Nov. 2022

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Article Navigation > Journal of Genetics and Genomics > 2022 > 49(11): 991-1001

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Molecular epigenetic mechanisms for the memory of temperature stresses in plants

doi: 10.1016/j.jgg.2022.07.004

a. State Key Laboratory of Protein and Plant Gene Research, School of Advanced Agricultural Sciences, Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China;
b. Peking University Institute of Advanced Agricultural Sciences, Weifang, Shandong 261325, China

Funds:

Research in the He laboratory is supported partly by the National Natural Science Foundation of China (31830049, 31721001, and 31970327) and the Peking-Tsinghua Joint Center for Life Sciences.

Received Date: 2022-06-09
Accepted Date: 2022-07-13
Rev Recd Date: 2022-07-13
Publish Date: 2022-07-20

Abstract

Abstract

The sessile plants encounter various stresses; some are prolonged, whereas some others are recurrent. Temperature is crucial for plant growth and development, and plants often encounter adverse high temperature fluctuations (heat stresses) as well as prolonged cold exposure such as seasonal temperature drops in winter when grown in temperate regions. Many plants can remember past temperature stresses to get adapted to adverse local temperature changes to ensure survival and/or reproductive success. Here, we summarize chromatin-based mechanisms underlying acquired thermotolerance or thermomemory in plants and review recent progresses on molecular epigenetic understanding of ‘remembering of prolonged cold in winter’ or vernalization, a process critical for various over-wintering plants to acquire competence to flower in the coming spring. In addition, perspectives on future study in temperature stress memories of economically-important crops are discussed.
- Heat stress,
- Thermomemory,
- Cold memory,
- Vernalization,
- Chromatin modification,
- Epigenetics

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References(106)

References

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