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The complex transcriptional regulation of heat stress response in maize

作  者:
Mei-Feng Ruan;Heng Zhao;Yujing Wen;Hao Chen;Feng He;Xiaorong Hou;Xiaoqin Song;Haiyang Jiang;Yong‐Ling Ruan;Leiming W
关键词:
Epigenetic regulation;Heat stress;Interaction;Maize;Transcriptional regulatio
摘  要:
As one of the most important food and feed crops worldwide, maize suffers much more tremendous damages under heat stress compared to other plants, which seriously inhibits plant growth and reduces productivity. To mitigate the heat-induced damages and adapt to high temperature environment, plants have evolved a series of molecular mechanisms to sense, respond and adapt high temperatures and heat stress. In this review, we summarized recent advances in molecular regulations underlying high temperature sensing, heat stress response and memory in maize, especially focusing on several important pathways and signals in high temperature sensing, and the complex transcriptional regulation of ZmHSFs (Heat Shock Factors) in heat stress response. In addition, we highlighted interactions between ZmHSFs and several epigenetic regulation factors in coordinately regulating heat stress response and memory. Finally, we laid out strategies to systematically elucidate the regulatory network of maize heat stress response, and discussed approaches for breeding future heat-tolerance maize.

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