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A Method for Growing Bio-memristors from Slime Mold
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Memristors in the Venus flytrap.

Alexander G Volkov1, Victoria Forde-Tuckett, Jada Reedus

  • 1a Department of Chemistry and Biochemistry; Oakwood University; Huntsville, AL USA.

Plant Signaling & Behavior
|March 13, 2015
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Summary

Memristors, resistors with memory, were discovered in Venus flytrap electrical responses. This finding reveals voltage-gated ion channels in plants exhibit memristor properties, opening new research avenues.

Keywords:
Venus flytrapelectrophysiologyion channelsmemristorsignal transduction

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Area of Science:

  • Plant electrophysiology
  • Nonlinear electronic components
  • Biophysics

Background:

  • Memristors are nonlinear circuit elements characterized by memory properties.
  • Understanding plant electrical signaling is crucial for bio-inspired electronics.

Purpose of the Study:

  • To investigate the presence and characteristics of memristors in the Venus flytrap's electrical circuitry.
  • To explore the role of ion channels in plant electrical responses.

Main Methods:

  • Electrostimulation of Venus flytrap leaves with bipolar periodic waves.
  • Analysis of electrical responses using cyclic voltammetry.
  • Pharmacological manipulation of ion channels (e.g., using Tetraethylammonium chloride, NPPB, CCCP, FCCP).

Main Results:

  • Electrical responses in Venus flytraps exhibited memristor fingerprints.
  • Inhibitors of voltage-gated K(+) and Cl(-) channels converted memristor behavior to resistive behavior.
  • Uncouplers affected the amplitude of electrical responses at varying frequencies.

Conclusions:

  • Voltage-gated K(+) channels in the Venus flytrap display properties of type 1 and type 2 memristors.
  • This discovery introduces a novel perspective on modeling and understanding electrical phenomena in plants.