ArticleScientific reports2020
A class I cytosolic HSP20 of rice enhances heat and salt tolerance in different organisms.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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53 citing papers in PubMed, 96 citations in OpenAlex.
- The saltmarsh cordgrass Spartina anglica has novel genomic features that contribute to abiotic stress tolerance.Journal of experimental botany · 2026Article
- Dual Regulation of the Rice Yield Traits and Stress Resilience byInternational journal of molecular sciences · 2026Article
- OsCPN10a, cooperating with OsCPN20 and OsHSP60-3B negatively regulate ABA signaling and enhance seed storability in rice.Journal of integrative plant biology · 2026Article
- Genome-wide characterization, evolutionary and expression pattern analysis of the sHSP family genes in orchardgrass and functional characterization under abiotic stress.BMC plant biology · 2025Article
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- Identification of the HSP20 Gene Family inGenes · 2025Article
- The TATA-box binding protein-associated factor TAF12b facilitates the degradation of type B response regulators to negatively regulate cytokinin signaling.Plant communications · 2024Article
- ZmHsp18 screened from the ZmHsp20 gene family confers thermotolerance in maize.BMC plant biology · 2024Article
- Pan-Genome-Wide Investigation and Co-Expression Network Analysis ofInternational journal of molecular sciences · 2024Article
- Omics-Driven Strategies for Developing Saline-Smart Lentils: A Comprehensive Review.International journal of molecular sciences · 2024Review
- Identification of the Novel Small Compound Stress Response Regulators 1 and 2 That Affect Plant Abiotic Stress Signaling.Biomolecules · 2024Article
- CDPK protein in cotton: genomic-wide identification, expression analysis, and conferring resistance to heat stress.BMC plant biology · 2024Article
- 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
- Comparative transcriptomics elucidates the cellular responses of an aeroterrestrial zygnematophyte to UV radiation.Journal of experimental botany · 2024Article
- Drought response revealed by chromatin organization variation and transcriptional regulation in cotton.BMC biology · 2024Article
- Heat shock proteinPhysiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Effects of small heat shock proteins from thermotolerant bacteria on the stress resistance of Escherichia coli to temperature, pH, and hyperosmolarity.Extremophiles : life under extreme conditions · 2024Article
- Comparative transcriptome analysis reveals nicotine metabolism is a critical component for enhancing stress response intensity of innate immunity system in tobacco.Frontiers in plant science · 2024Article
- Rapid Identification of High-Temperature Responsive Genes Using Large-Scale Yeast Functional Screening System in Potato.Plants (Basel, Switzerland) · 2023Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Small heat shock proteins (sHSPs) have been thought to function as chaperones, protecting their targets from denaturation and aggregation when organisms are subjected to various biotic and abiotic stresses. We previously reported an sHSP from Oryza sativa (OsHSP20) that homodimerizes and forms granules within the cytoplasm but its function was unclear. We now show that OsHSP20 transcripts were significantly up-regulated by heat shock and high salinity but not by drought. A recombinant protein was purified and shown to inhibit the thermal aggregation of the mitochondrial malate dehydrogenase (MDH) enzyme in vitro, and this molecular chaperone activity suggested that OsHSP20 might be involved in stress resistance. Heterologous expression of OsHSP20 in Escherichia coli or Pichia pastoris cells enhanced heat and salt stress tolerance when compared with the control cultures. Transgenic rice plants constitutively overexpressing OsHSP20 and exposed to heat and salt treatments had longer roots and higher germination rates than those of control plants. A series of assays using its truncated mutants showed that its N-terminal arm plus the ACD domain was crucial for its homodimerization, molecular chaperone activity in vitro, and stress tolerance in vivo. The results supported the viewpoint that OsHSP20 could confer heat and salt tolerance by its molecular chaperone activity in different organisms and also provided a more thorough characterization of HSP20-mediated stress tolerance in O. sativa.
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