ArticleProceedings of the National Academy of Sciences of the United States of America1999
Stimulation of the blue light phototropic receptor NPH1 causes a transient increase in cytosolic Ca2+.
Article in Proceedings of the National Academy of Sciences of the United States of America, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers.
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Who cites it
70 citing papers in PubMed, 210 citations in OpenAlex.
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- SlCPK27 cross-links SlHY5 and SlPIF4 in brassinosteroid-dependent photo- and thermo-morphogenesis in tomato.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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- Application of Green-enhanced Nano-lantern as a bioluminescent ratiometric indicator for measurement of Arabidopsis thaliana root apoplastic fluid pH.Plant, cell & environment · 2022Article
- Calcium-dependent protein kinase 16 phosphorylates and activates the aquaporin PIP2;2 to regulate reversible flower opening in Gentiana scabra.The Plant cell · 2022Article
- Electrical Signaling of Plants under Abiotic Stressors: Transmission of Stimulus-Specific Information.International journal of molecular sciences · 2021Review
- Screening forSTAR protocols · 2021Article
- Arabidopsis Ca2+-ATPases 1, 2, and 7 in the endoplasmic reticulum contribute to growth and pollen fitness.Plant physiology · 2021Article
- Effect of high light on canopy-level photosynthesis and leaf mesophyll ion flux in tomato.Planta · 2020Article
- Gibberellin Induces an Increase in Cytosolic CaPlant physiology · 2017Article
- Real-time In Vivo Recording of Arabidopsis Calcium Signals During Insect Feeding Using a Fluorescent Biosensor.Journal of visualized experiments : JoVE · 2017Article
- Temperature-dependent signal transmission in chloroplast accumulation response.Journal of plant research · 2017Article
- Blue light-dependent changes in loosely bound calcium in Arabidopsis mesophyll cells: an X-ray microanalysis study.Journal of experimental botany · 2016Article
- The Cytoskeleton and Its Regulation by Calcium and Protons.Plant physiology · 2016Review
- Dissecting blue light signal transduction pathway in leaf epidermis using a pharmacological approach.Planta · 2015Article
- Strategies of seedlings to overcome their sessile nature: auxin in mobility control.Frontiers in plant science · 2015Review
- Multi-level modeling of light-induced stomatal opening offers new insights into its regulation by drought.PLoS computational biology · 2014Article
- Cell- and stimulus type-specific intracellular free Ca2+ signals in Arabidopsis.Plant physiology · 2013Article
- Phototropins function in high-intensity blue light-induced hypocotyl phototropism in Arabidopsis by altering cytosolic calcium.Plant physiology · 2013Article
- Phosphoinositides play differential roles in regulating phototropin1- and phototropin2-mediated chloroplast movements in Arabidopsis.PloS one · 2013Article
10 more citing papers are in PubMed but not listed here.
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Blue light regulates plant growth and development, and three photoreceptors, CRY1, CRY2, and NPH1, have been identified. The transduction pathways of these receptors are poorly understood. Transgenic plants containing aequorin have been used to dissect the involvement of these three receptors in the regulation of intracellular Ca2+. Pulses of blue light induce cytosolic Ca2+ transients lasting about 80 s in Arabidopsis and tobacco seedlings. Use of organelle-targeted aequorins shows that Ca2+ increases are limited to the cytoplasm. Blue light treatment of cry1, cry2, and nph1 mutants showed that NPH1, which regulates phototropism, is largely responsible for the Ca2+ transient. The spectral response of the Ca2+ transient is similar to that of phototropism, supporting NPH1 involvement. Furthermore, known interactions between red and blue light and between successive blue light pulses on phototropic sensitivity are mirrored in the blue light control of cytosolic Ca2+ in these seedlings. Our observations raise the possibility that physiological responses regulated by NPH1, such as phototropism, may be transduced through cytosolic Ca2+.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.