The Effect of Electrical Signals on Photosynthesis and Respiration

  • Andrej Pavlovič


Electrical signals are initial response of plant to the external stimuli. This type of signal may trigger different physiological responses. The most famous is the rapid leaf movement in carnivorous and sensitive plants. However, a lot of less visible changes in plant physiology may occur. This chapter focuses on the effect of action (APs) and variation potentials (VPs) on photosynthesis and respiration. First, experimental methods and setup for measurements of photosynthesis and respiration in response to electrical signals are described. Then detailed information about effect of AP and VP on CO2 metabolism in different plant species are summarized. Both light and dark reactions of photosynthesis, as well as rate of respiration, are affected by electrical signals, but the effect is often adverse (from inhibition to stimulation of photosynthesis). In addition, the stomatal conductance (gs), an important component of gas exchange, is also differently affected by electrical signals. Summarizing the data from numerous authors, the hypothesis about mechanism underlying photosynthetic limitation and stimulation of respiration is proposed.


Photosynthetic Active Radiation Chlorophyll Fluorescence Electrical Signal Jasmonic Acid Cyclic Electron Flow 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



excitation pressure at photosystem II


abscisic acid


action potential




dry weight


rate of transpiration


minimal fluorescence level in dark-adapted leaves


minimal fluorescence level "in the light"


maximal fluorescence level from dark adapted leaves


maximal fluorescence level in light-adapted leaves


steady-state fluorescence in the light


variable fluorescence


maximum quantum yield of photosystem II


stomatal conductance


indole-3-acetic acid


jasmonic acid


non-photochemical quenching


oxygen evolving complex


12-oxo-phytodienoic acid


photosynthetic active radiation




rate of gross photosynthesis


rate of net photosynthesis


photosystem I


photosystem II


plastoquinone pool


plastoquinone A


plastoquinone B


energy-dependent quenching


photoinhibitory quenching


state-transition quenching


photochemical quenching


rate of respiration


variation potential


effective photochemical quantum yield of photosystem II



This work was supported by the grant VEGA 1/0520/12 from the Scientific Grant Agency of the Ministry of Education of the Slovak Republic.


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© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Faculty of Natural Sciences, Department of Plant PhysiologyComenius University in BratislavaBratislavaSlovakia

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