TY - JOUR
T1 - Signal transduction in Mimosa pudica
T2 - Biologically closed electrical circuits
AU - Volkov, Alexander G.
AU - Foster, Justin C.
AU - Markin, Vladislav S.
PY - 2010/5
Y1 - 2010/5
N2 - Biologically closed electrical circuits operate over large distances in biological tissues. The activation of such circuits can lead to various physiological and biophysical responses. Here, we analyse the biologically closed electrical circuits of the sensitive plant Mimosa pudica Linn. using electrostimulation of a petiole or pulvinus by the charged capacitor method, and evaluate the equivalent electrical scheme of electrical signal transduction inside the plant. The discharge of a 100 μF capacitor in the pulvinus resulted in the downward fall of the petiole in a few seconds, if the capacitor was charged beforehand by a 1.5 V power supply. Upon disconnection of the capacitor from Ag/AgCl electrodes, the petiole slowly relaxed to the initial position. The electrical properties of the M. pudica were investigated, and an equivalent electrical circuit was proposed that explains the experimental data.
AB - Biologically closed electrical circuits operate over large distances in biological tissues. The activation of such circuits can lead to various physiological and biophysical responses. Here, we analyse the biologically closed electrical circuits of the sensitive plant Mimosa pudica Linn. using electrostimulation of a petiole or pulvinus by the charged capacitor method, and evaluate the equivalent electrical scheme of electrical signal transduction inside the plant. The discharge of a 100 μF capacitor in the pulvinus resulted in the downward fall of the petiole in a few seconds, if the capacitor was charged beforehand by a 1.5 V power supply. Upon disconnection of the capacitor from Ag/AgCl electrodes, the petiole slowly relaxed to the initial position. The electrical properties of the M. pudica were investigated, and an equivalent electrical circuit was proposed that explains the experimental data.
KW - Charged capacitor method
KW - Electrical signalling
KW - Motor cells
KW - Plant electrophysiology
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U2 - 10.1111/j.1365-3040.2009.02108.x
DO - 10.1111/j.1365-3040.2009.02108.x
M3 - Article
C2 - 20040063
AN - SCOPUS:77953214471
SN - 0140-7791
VL - 33
SP - 816
EP - 827
JO - Plant, Cell and Environment
JF - Plant, Cell and Environment
IS - 5
ER -