ArticleFrontiers in plant science2016
Changes in H(+)-ATP Synthase Activity, Proton Electrochemical Gradient, and pH in Pea Chloroplast Can Be Connected with Variation Potential.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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24 citing papers in PubMed, 54 citations in OpenAlex.
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- Application of Exogenous Silicon for Alleviating Photosynthetic Inhibition in Tomato Seedlings under Low-Calcium Stress.International journal of molecular sciences · 2022Article
- Aboveground plant-to-plant electrical signaling mediates network acquired acclimation.The Plant cell · 2022Article
- Influence of Burning-Induced Electrical Signals on Photosynthesis in Pea Can Be Modified by Soil Water Shortage.Plants (Basel, Switzerland) · 2022Article
- RNA-seq analysis reveals genes related to photosynthetic carbon partitioning and lipid production inFrontiers in microbiology · 2022Article
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- Change in HPlants (Basel, Switzerland) · 2021Article
- Electrical Signals, Plant Tolerance to Actions of Stressors, and Programmed Cell Death: Is Interaction Possible?Plants (Basel, Switzerland) · 2021Review
- Stochastic Spatial Heterogeneity in Activities of HInternational journal of molecular sciences · 2021Review
- Influence of Local Burning on Difference Reflectance Indices Based on 400-700 nm Wavelengths in Leaves of Pea Seedlings.Plants (Basel, Switzerland) · 2021Article
- Article
- A light-induced decrease in the photochemical reflectance index (PRI) can be used to estimate the energy-dependent component of non-photochemical quenching under heat stress and soil drought in pea, wheat, and pumpkin.Photosynthesis research · 2020Article
- Inactivation of HPlants (Basel, Switzerland) · 2020Article
- Exogenous Abscisic Acid Can Influence Photosynthetic Processes in Peas through a Decrease in Activity of HBiology · 2020Article
- Burning-induced electrical signals influence broadband reflectance indices and water index in pea leaves.Plant signaling & behavior · 2020Article
- Electrical stimulation boosts seed germination, seedling growth, and thermotolerance improvement in maize (Plant signaling & behavior · 2019Article
- Chemical Sensing Employing Plant Electrical Signal Response-Classification of Stimuli Using Curve Fitting Coefficients as Features.Biosensors · 2018Article
- Influence of the variation potential on photosynthetic flows of light energy and electrons in pea.Photosynthesis research · 2018Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Local stimulation induces generation and propagation of electrical signals, including the variation potential (VP) and action potential, in plants. Burning-induced VP changes the physiological state of plants; specifically, it inactivates photosynthesis. However, the mechanisms that decrease photosynthesis are poorly understood. We investigated these mechanisms by measuring VP-connected systemic changes in CO2 assimilation, parameters of light reactions of photosynthesis, electrochromic pigment absorbance shifts, and light scattering. We reveal that inactivation of photosynthesis in the pea, including inactivation of dark and light reactions, was connected with the VP. Inactivation of dark reactions decreased the rate constant of the fast relaxation of the electrochromic pigment absorbance shift, which reflected a decrease in the H(+)-ATP synthase activity. This decrease likely contributed to the acidification of the chloroplast lumen, which developed after VP induction. However, VP-connected decrease of the proton motive force across the thylakoid membrane, possibly, reflected a decreased pH in the stroma. This decrease may be another mechanism of chloroplast lumen acidification. Overall, stroma acidification can decrease electron flow through photosystem I, and lumen acidification induces growth of fluorescence non-photochemical quenching and decreases electron flow through photosystem II, i.e., pH decreases in the stroma and lumen, possibly, contribute to the VP-induced inactivation of light reactions of photosynthesis.
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