ArticleCell stress & chaperones2012
OsHsfA2c and OsHsfB4b are involved in the transcriptional regulation of cytoplasmic OsClpB (Hsp100) gene in rice (Oryza sativa L.).
Article in Cell stress & chaperones, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 1 of them a synthesis that pooled it.
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Who cites it
30 citing papers in PubMed, 1 synthesis or guideline pooled it, 79 citations in OpenAlex.
- Meta-analysis of drought-tolerant genotypes in Oryza sativa: A network-based approach.PloS one · 2019Pooled it
- Deciphering Regulatory Networks Governing Seedling Emergence in Deep-Sown Direct-Seeded Rice Cultivation.Rice (New York, N.Y.) · 2025Article
- How Rice Responds to Temperature Changes and Defeats Heat Stress.Rice (New York, N.Y.) · 2024Review
- Integrating physiological and multi-omics methods to elucidate heat stress tolerance for sustainable rice production.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Review
- Genome-wide identification, classification and expression analysis of the heat shock transcription factor family in Garlic (Allium sativum L.).BMC plant biology · 2024Article
- Plant Adaptation and Tolerance to Heat Stress: Advance Approaches and Future Aspects.Combinatorial chemistry & high throughput screening · 2024Review
- Abiotic Stress in Rice: Visiting the Physiological Response and Its Tolerance Mechanisms.Plants (Basel, Switzerland) · 2023Review
- StHsfB5 Promotes Heat Resistance by Directly Regulating the Expression ofInternational journal of molecular sciences · 2023Article
- Regulatory network of rice in response to heat stress and its potential application in breeding strategy.Molecular breeding : new strategies in plant improvement · 2023Review
- Heat Shock Transcription Factor GhHSFB2a Is Crucial for Cotton Resistance toInternational journal of molecular sciences · 2023Article
- Enhancement of Heat and Drought Stress Tolerance in Rice by Genetic Manipulation: A Systematic Review.Rice (New York, N.Y.) · 2022Review
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- Masks Start to Drop: Suppressor of MAX2 1-Like Proteins Reveal Their Many Faces.Frontiers in plant science · 2022Review
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- Article
- Biochemical characterization of ClpB3, a chloroplastic disaggregase from Arabidopsis thaliana.Plant molecular biology · 2020Article
- Modification of Serine 1040 of SIBRI1 Increases Fruit Yield by Enhancing Tolerance to Heat Stress in Tomato.International journal of molecular sciences · 2020Article
- Genome-Wide Identification, Classification, and Expression Analysis of theInternational journal of molecular sciences · 2019Article
- Heat shock transcription factor 3 regulates plant immune response through modulation of salicylic acid accumulation and signalling in cassava.Molecular plant pathology · 2018Article
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Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
ClpB-cytoplasmic (ClpB-cyt)/Hsp100 is an important chaperone protein in rice. Cellular expression of OsClpB-cyt transcript is governed by heat stress, metal stress, and developmental cues. Transgenic rice plants produced with 2 kb OsClpB-cyt promoter driving Gus reporter gene showed heat- and metal-regulated Gus expression in vegetative tissues and constitutive Gus expression in calli, flowering tissues, and embryonal half of seeds. Rice seedlings regenerated with OsClpB-cyt promoter fragment with deletion of its canonical heat shock element sequence (HSE(-273 to -280)) showed not only heat shock inducibility of Gus transcript/protein but also constitutive expression of Gus in vegetative tissues. It thus emerges that the only classical HSE present in OsClpB-cyt promoter is involved in repressing expression of OsClpB-cyt transcript under unstressed control conditions. Yeast one-hybrid assays suggested that OsHsfA2c specifically interacts with OsClpB-cyt promoter. OsHsfA2c also showed binding with OsClpB-cyt and OsHsfB4b showed binding with OsClpB-cyt; notably, interaction of OsHsfB4b was seen for all three OsClpB/Hsp100 protein isoforms (i.e., ClpB-cytoplasmic, ClpB-mitochondrial, and ClpB-chloroplastic). Furthermore, OsHsfB4b showed interaction with OsHsfA2c. This study suggests that OsHsfA2c may play a role as transcriptional activator and that OsHsfB4b is an important part of this heat shock responsive circuitry.
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