ArticlePlant communications2024
The transcription factor HSFA7b controls thermomemory at the shoot apical meristem by regulating ethylene biosynthesis and signaling in Arabidopsis.
Article in Plant communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 22 citations in OpenAlex.
- SRF6, a heat-inducible receptor-like kinase, regulates thermotolerance in Arabidopsis thaliana.Plant cell reports · 2026Article
- Review
- An Ethylene-Response Factor LlERF092 Coordinates With LlETO1 to Improve Thermotolerance by Activating LlMBF1c in Lily.Plant biotechnology journal · 2025Article
- Promoter and domain swap analysis delineates heat stress memory-specific determinants of heat shock factor HSFA2.Plant physiology · 2025Article
- Priming thermotolerance: unlocking heat resilience for climate-smart crops.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
- Stress resilience in plants: the complex interplay between heat stress memory and resetting.The New phytologist · 2025Review
- Nitric oxide-mediated thermomemory: a new perspective on plant heat stress resilience.Frontiers in plant science · 2025Review
- Unraveling the multifaceted roles of SPL transcription factors in leaf development.Frontiers in plant science · 2025Review
- LHP1 and INO80 cooperate with ethylene signaling for warm ambient temperature response by activating specific bivalent genes.Cell reports · 2024Article
- Leveraging a new thermosensor for heat-smart future agriculture.Plant communications · 2024Article
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Authors and funding
10 authors at 3 institutions in 3 countries.
Funding
Abstract
The shoot apical meristem (SAM) is responsible for overall shoot growth by generating all aboveground structures. Recent research has revealed that the SAM displays an autonomous heat stress (HS) memory of a previous non-lethal HS event. Considering the importance of the SAM for plant growth, it is essential to determine how its thermomemory is mechanistically controlled. Here, we report that HEAT SHOCK TRANSCRIPTION FACTOR A7b (HSFA7b) plays a crucial role in this process in Arabidopsis, as the absence of functional HSFA7b results in the temporal suppression of SAM activity after thermopriming. We found that HSFA7b directly regulates ethylene response at the SAM by binding to the promoter of the key ethylene signaling gene ETHYLENE-INSENSITIVE 3 to establish thermotolerance. Moreover, we demonstrated that HSFA7b regulates the expression of ETHYLENE OVERPRODUCER 1 (ETO1) and ETO1-LIKE 1, both of which encode ethylene biosynthesis repressors, thereby ensuring ethylene homeostasis at the SAM. Taken together, these results reveal a crucial and tissue-specific role for HSFA7b in thermomemory at the Arabidopsis SAM.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.