ArticlePlant physiology2003
Calmodulin is involved in heat shock signal transduction in wheat.
Article in Plant physiology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.
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Who cites it
66 citing papers in PubMed, 192 citations in OpenAlex.
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- Signal Peptides and Their Fragments in Post-Translation: Novel Insights of Signal Peptides.International journal of molecular sciences · 2024Review
- Calcium Signaling and the Response to Heat Shock in Crop Plants.International journal of molecular sciences · 2023Review
- Thermosensitive SUMOylation of TaHsfA1 defines a dynamic ON/OFF molecular switch for the heat stress response in wheat.The Plant cell · 2023Article
- Full-Length Transcriptome Sequencing Reveals the Molecular Mechanism ofAntioxidants (Basel, Switzerland) · 2023Article
- Functional insights of plant bcl-2-associated ahanogene (BAG) proteins: Multi-taskers in diverse cellular signal transduction pathways.Frontiers in plant science · 2023Review
- Genome-wide identification and expression analysis of calmodulin and calmodulin-like genes in wheat (Plant signaling & behavior · 2022Article
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- Quantitative Acetylome Analysis of Soft Wheat Seeds during Artificial Ageing.Foods (Basel, Switzerland) · 2022Article
- Gene Networks Involved in Plant Heat Stress Response and Tolerance.International journal of molecular sciences · 2022Review
- TaBln1, a member of the Blufensin family, negatively regulates wheat resistance to stripe rust by reducing Ca2+ influx.Plant physiology · 2022Article
- Molecular mechanisms of plant tolerance to heat stress: current landscape and future perspectives.Plant cell reports · 2021Review
- Electrical Signaling of Plants under Abiotic Stressors: Transmission of Stimulus-Specific Information.International journal of molecular sciences · 2021Review
- Insights into heat response mechanisms in Clematis species: physiological analysis, expression profiles and function verification.Plant molecular biology · 2021Article
- Hot topic: Thermosensing in plants.Plant, cell & environment · 2021Review
- Generation of GCaMP6s-Expressing Zebrafish to Monitor Spatiotemporal Dynamics of Calcium Signaling Elicited by Heat Stress.International journal of molecular sciences · 2021Article
- Roles of Brassinosteroids in Mitigating Heat Stress Damage in Cereal Crops.International journal of molecular sciences · 2021Review
- TypiCal but DeliCate CaFrontiers in plant science · 2021Review
6 more citing papers are in PubMed but not listed here.
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The involvement of calcium and calcium-activated calmodulin (Ca(2+)-CaM) in heat shock (HS) signal transduction in wheat (Triticum aestivum) was investigated. Using Fluo-3/acetoxymethyl esters and laser scanning confocal microscopy, it was found that the increase of intracellular free calcium ion concentration started within 1 min after a 37 degrees C HS. The levels of CaM mRNA and protein increased during HS at 37 degrees C in the presence of Ca(2+). The expression of hsp26 and hsp70 genes was up-regulated by the addition of CaCl(2) and down-regulated by the calcium ion chelator EGTA, the calcium ion channel blockers LaCl(3) and verapamil, or the CaM antagonists N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide and chlorpromazine. Treatment with Ca(2+) also increased, and with EGTA, verapamil, chlorpromazine, or trifluoperazine decreased, synthesis of HS proteins. The temporal expression of the CaM1-2 gene and the hsp26 and hsp70 genes demonstrated that up-regulation of the CaM1-2 gene occurred at 10 min after HS at 37 degrees C, whereas that of hsp26 and hsp70 appeared at 20 min after HS. A 5-min HS induced expression of hsp26 after a period of recovery at 22 degrees C after HS at 37 degrees C. Taken together, these results indicate that Ca(2+)-CaM is directly involved in the HS signal transduction pathway. A working hypothesis about the relationship between upstream and downstream of HS signal transduction is presented.
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