ArticlePlant physiology2014
A positive feedback loop between HEAT SHOCK PROTEIN101 and HEAT STRESS-ASSOCIATED 32-KD PROTEIN modulates long-term acquired thermotolerance illustrating diverse heat stress responses in rice varieties.
Article in Plant physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.
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74 citing papers in PubMed, 175 citations in OpenAlex.
- Temperature regulation in plants: From molecular mechanisms to climate-resilient crop improvement.Journal of integrative plant biology · 2026Review
- HSP101-encoding NEO-TETRAPLOID RICE FERTILITY GENE 1 regulates tapetum development through interaction with SAPK2 in polyploid rice.Journal of integrative plant biology · 2026Article
- Decoding core molecular mechanisms of heat-stress tolerance in Brassica napus using transcriptomics and machine learning.Plant cell reports · 2026Article
- DNA Methylation Dynamics in Plant Abiotic Stress Response: Mechanisms, Memory, and Breeding Applications.Genes · 2026Review
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- OsCDPK24 and OsCDPK28 phosphorylate heat shock factor OsHSFA4d to orchestrate abiotic and biotic stress responses in rice.Nature communications · 2025Article
- Integrated analysis of physiological responses and transcriptional regulation in kiwifruit under high temperature.BMC plant biology · 2025Article
- Can autophagy enhance crop resilience to environmental stress?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
- Priming thermotolerance: unlocking heat resilience for climate-smart crops.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
- Native Australian seedlings exhibit novel strategies to acclimate to repeated heatwave events.Oecologia · 2025Article
- Combined Analysis of Transcriptome and Metabolome Reveals the Heat Stress Resistance of Dongxiang Wild Rice at Seedling Stage.Plants (Basel, Switzerland) · 2025Article
- The splicing auxiliary factor OsU2AF35a enhances thermotolerance via protein separation and promoting proper splicing of OsHSA32 pre-mRNA in rice.Plant biotechnology journal · 2025Article
- Stress resilience in plants: the complex interplay between heat stress memory and resetting.The New phytologist · 2025Review
- Review
- Decrypting molecular mechanism of heat stress tolerance in rice to tackle climate change challenges through recent approaches.Frontiers in plant science · 2025Review
- Adverse effects of heat shock in rice (Heliyon · 2024Review
- How Rice Responds to Temperature Changes and Defeats Heat Stress.Rice (New York, N.Y.) · 2024Review
- Natural variation in LONELY GUY-Like 1 regulates rice grain weight under warmer night conditions.Plant physiology · 2024Article
14 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Heat stress is an important factor that has a negative impact on rice (Oryza sativa) production. To alleviate this problem, it is necessary to extensively understand the genetic basis of heat tolerance and adaptability to heat stress in rice. Here, we report the molecular mechanism underlying heat acclimation memory that confers long-term acquired thermotolerance (LAT) in this monocot plant. Our results showed that a positive feedback loop formed by two heat-inducible genes, HEAT SHOCK PROTEIN101 (HSP101) and HEAT STRESS-ASSOCIATED 32-KD PROTEIN (HSA32), at the posttranscriptional level prolongs the effect of heat acclimation in rice seedlings. The interplay between HSP101 and HSA32 also affects basal thermotolerance of rice seeds. These findings are similar to those reported for the dicot plant Arabidopsis (Arabidopsis thaliana), suggesting a conserved function in plant heat stress response. Comparison between two rice cultivars, japonica Nipponbare and indica N22 showed opposite performance in basal thermotolerance and LAT assays. 'N22' seedlings have a higher basal thermotolerance level than cv Nipponbare and vice versa at the LAT level, indicating that these two types of thermotolerance can be decoupled. The HSP101 and HSA32 protein levels were substantially higher in cv Nipponbare than in cv N22 after a long recovery following heat acclimation treatment, at least partly explaining the difference in the LAT phenotype. Our results point out the complexity of thermotolerance diversity in rice cultivars, which may need to be taken into consideration when breeding for heat tolerance for different climate scenarios.
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