ArticleJournal of experimental botany2011
On the mechanism underlying photosynthetic limitation upon trigger hair irritation in the carnivorous plant Venus flytrap (Dionaea muscipula Ellis).
Article in Journal of experimental botany, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed, 100 citations in OpenAlex.
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- Summation of activation at the branch-stem transition of Mimosa pudica; a comparison with summation in cardiac tissue.PloS one · 2023Article
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- Systemic Signaling: A Role in Propelling Crop Yield.Plants (Basel, Switzerland) · 2022Review
- Influence of Burning-Induced Electrical Signals on Photosynthesis in Pea Can Be Modified by Soil Water Shortage.Plants (Basel, Switzerland) · 2022Article
- Shapeshifting in the Venus flytrap (Frontiers in plant science · 2022Review
- 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
- Participation of calcium ions in induction of respiratory response caused by variation potential in pea seedlings.Plant signaling & behavior · 2021Article
- A Theoretical Analysis of Relations between Pressure Changes along Xylem Vessels and Propagation of Variation Potential in Higher Plants.Plants (Basel, Switzerland) · 2021Article
- 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
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mechanical stimulation of trigger hairs on the adaxial surface of the trap of Dionaea muscipula leads to the generation of action potentials and to rapid leaf movement. After rapid closure secures the prey, the struggle against the trigger hairs results in generation of further action potentials which inhibit photosynthesis. A detailed analysis of chlorophyll a fluorescence kinetics and gas exchange measurements in response to generation of action potentials in irritated D. muscipula traps was used to determine the 'site effect' of the electrical signal-induced inhibition of photosynthesis. Irritation of trigger hairs and subsequent generation of action potentials resulted in a decrease in the effective photochemical quantum yield of photosystem II (Φ(PSII)) and the rate of net photosynthesis (A(N)). During the first seconds of irritation, increased excitation pressure in photosystem II (PSII) was the major contributor to the decreased Φ(PSII). Within ∼1 min, non-photochemical quenching (NPQ) released the excitation pressure at PSII. Measurements of the fast chlorophyll a fluorescence transient (O-J-I-P) revealed a direct impact of action potentials on the charge separation-recombination reactions in PSII, although the effect seems to be small rather than substantial. All the data presented here indicate that the main primary target of the electrical signal-induced inhibition of photosynthesis is the dark reaction, whereas the inhibition of electron transport is only a consequence of reduced carboxylation efficiency. In addition, the study also provides valuable data confirming the hypothesis that chlorophyll a fluorescence is under electrochemical control.
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