Journal
FRONTIERS IN PLANT SCIENCE
Volume 12, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2021.704905
Keywords
heat stress; woody plants; signaling network; molecular response; heat shock transcription factor; heat shock protein
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Funding
- Key Scientific Research Projects of Institutions of Higher Learning in Henan Province [19A180004]
- Zhejiang A&F University Research and Development Fund Talent Startup Project [2021LFR013]
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Global warming poses a threat to plant life, with heat shock response (HSR) playing a crucial role in protecting cellular homeostasis, especially for perennial trees. Understanding the molecular mechanisms of HSR in woody plants is essential for predicting how they will respond to climate changes.
A continuous increase in ambient temperature caused by global warming has been considered a worldwide threat. As sessile organisms, plants have evolved sophisticated heat shock response (HSR) to respond to elevated temperatures and other abiotic stresses, thereby minimizing damage and ensuring the protection of cellular homeostasis. In particular, for perennial trees, HSR is crucial for their long life cycle and development. HSR is a cell stress response that increases the number of chaperones including heat shock proteins (HSPs) to counter the negative effects on proteins caused by heat and other stresses. There are a large number of HSPs in plants, and their expression is directly regulated by a series of heat shock transcription factors (HSFs). Therefore, understanding the detailed molecular mechanisms of woody plants in response to extreme temperature is critical for exploring how woody species will be affected by climate changes. In this review article, we summarize the latest findings of the role of HSFs and HSPs in the HSR of woody species and discuss their regulatory networks and cross talk in HSR. In addition, strategies and programs for future research studies on the functions of HSFs and HSPs in the HSR of woody species are also proposed.
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