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Biologically Closed Electrical Circuits in Venus Flytrap
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DOI：10.1104/pp.108.134536.png)
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Abstract
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The Venus flytrap (Dionaea muscipula Ellis) is a marvel of plant electrical, mechanical, and biochemical engineering. The rapid closure of the Venus flytrap upper leaf in about 0.1 s is one of the fastest movements in the plant kingdom. We found earlier that the electrical stimulus between a midrib and a lobe closes the Venus flytrap upper leaf without mechanical stimulation of trigger hairs. The Venus flytrap can accumulate small subthreshold charges and, when the threshold value is reached, the trap closes. Here, we investigated the electrical properties of the upper leaf of the Venus flytrap and proposed the equivalent electrical circuit in agreement with the experimental data.
Keywords:
DIONAEA-MUSCIPULA ELLIS
TRAP CLOSURE
MECHANISM
RECEPTOR
DYNAMICS
HAIR
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