ArticleJournal of experimental botany2015
Aequorin-based luminescence imaging reveals differential calcium signalling responses to salt and reactive oxygen species in rice roots.
Article in Journal of experimental botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 31 citations in OpenAlex.
- Calcium signaling in crops.The New phytologist · 2026Review
- Aquorin Bioluminescence-Based CaPlants (Basel, Switzerland) · 2025Article
- Analysis of abiotic and biotic stress-induced CaScientific reports · 2024Article
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- Overexpression of thePlant signaling & behavior · 2023Article
- Calcium imaging: a technique to monitor calcium dynamics in biological systems.Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Review
- The calcium connection: exploring the intricacies of calcium signaling in plant-microbe interactions.Frontiers in plant science · 2023Review
- Comparative analysis of stress-induced calcium signals in the crop species barley and the model plant Arabidopsis thaliana.BMC plant biology · 2022Article
- A semi-dominant mutation in a CC-NB-LRR-type protein leads to a short-root phenotype in rice.Rice (New York, N.Y.) · 2018Article
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- NaCl Induces Flavonoid Biosynthesis through a Putative Novel Pathway in Post-harvest Ginkgo Leaves.Frontiers in plant science · 2017Article
- Heterologous Expression and Functional Analysis of Rice GLUTAMATE RECEPTOR-LIKE Family Indicates its Role in Glutamate Triggered Calcium Flux in Rice Roots.Rice (New York, N.Y.) · 2016Article
- Rapid hyperosmotic-induced Ca2+ responses in Arabidopsis thaliana exhibit sensory potentiation and involvement of plastidial KEA transporters.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- Calcium-Mediated Abiotic Stress Signaling in Roots.Frontiers in plant science · 2016Review
- Enlightenment on the aequorin-based platform for screening Arabidopsis stress sensory channels related to calcium signaling.Plant signaling & behavior · 2015Review
- Imaging of Molecular and Developmental Responses to Abiotic Stresses in Reproductive Tissues.Physiologia plantarumReview
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Authors and funding
9 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
It is well established that both salt and reactive oxygen species (ROS) stresses are able to increase the concentration of cytosolic free Ca(2+) ([Ca(2+)]i), which is caused by the flux of calcium (Ca(2+)). However, the differences between these two processes are largely unknown. Here, we introduced recombinant aequorin into rice (Oryza sativa) and examined the change in [Ca(2+)]i in response to salt and ROS stresses. The transgenic rice harbouring aequorin showed strong luminescence in roots when treated with exogenous Ca(2+). Considering the histological differences in roots between rice and Arabidopsis, we reappraised the discharging solution, and suggested that the percentage of ethanol should be 25%. Different concentrations of NaCl induced immediate [Ca(2+)]i spikes with the same durations and phases. In contrast, H₂O₂ induced delayed [Ca(2+)]i spikes with different peaks according to the concentrations of H₂O₂. According to the Ca(2+) inhibitor research, we also showed that the sources of Ca(2+) induced by NaCl and H₂O₂ are different. Furthermore, we evaluated the contribution of [Ca(2+)]i responses in the NaCl- and H₂O₂-induced gene expressions respectively, and present a Ca(2+)- and H₂O₂-mediated molecular signalling model for the initial response to NaCl in rice.
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