Plant electrophysiology with conformable organic electronics: Deciphering the propagation of Venus flytrap action potentials

Plant electrophysiology with conformable organic electronics: Deciphering the propagation of Venus flytrap action potentials. Armada-Moreira, A., Dar, A. M., Zhao, Z., Cea, C., Gelinas, J., Berggren, M., Costa, A., Khodagholy, D., & Stavrinidou, E. Science Advances, 9(30):eadh4443, July, 2023.

Paper doi abstract bibtex

Electrical signals in plants are mediators of long-distance signaling and correlate with plant movements and responses to stress. These signals are studied with single surface electrodes that cannot resolve signal propagation and integration, thus impeding their decoding and link to function. Here, we developed a conformable multielectrode array based on organic electronics for large-scale and high-resolution plant electrophysiology. We performed precise spatiotemporal mapping of the action potential (AP) in Venus flytrap and found that the AP actively propagates through the tissue with constant speed and without strong directionality. We also found that spontaneously generated APs can originate from unstimulated hairs and that they correlate with trap movement. Last, we demonstrate that the Venus flytrap circuitry can be activated by cells other than the sensory hairs. Our work reveals key properties of the AP and establishes the capacity of organic bioelectronics for resolving electrical signaling in plants contributing to the mechanistic understanding of long-distance responses in plants. , Organic bioelectronics enable large-scale and high-resolution plant electrophysiology monitoring of the Venus flytrap signaling.

@article{armada-moreira_plant_2023,
	title = {Plant electrophysiology with conformable organic electronics: {Deciphering} the propagation of {Venus} flytrap action potentials},
	volume = {9},
	issn = {2375-2548},
	shorttitle = {Plant electrophysiology with conformable organic electronics},
	url = {https://www.science.org/doi/10.1126/sciadv.adh4443},
	doi = {10.1126/sciadv.adh4443},
	abstract = {Electrical signals in plants are mediators of long-distance signaling and correlate with plant movements and responses to stress. These signals are studied with single surface electrodes that cannot resolve signal propagation and integration, thus impeding their decoding and link to function. Here, we developed a conformable multielectrode array based on organic electronics for large-scale and high-resolution plant electrophysiology. We performed precise spatiotemporal mapping of the action potential (AP) in Venus flytrap and found that the AP actively propagates through the tissue with constant speed and without strong directionality. We also found that spontaneously generated APs can originate from unstimulated hairs and that they correlate with trap movement. Last, we demonstrate that the Venus flytrap circuitry can be activated by cells other than the sensory hairs. Our work reveals key properties of the AP and establishes the capacity of organic bioelectronics for resolving electrical signaling in plants contributing to the mechanistic understanding of long-distance responses in plants.
          , 
            Organic bioelectronics enable large-scale and high-resolution plant electrophysiology monitoring of the Venus flytrap signaling.},
	language = {en},
	number = {30},
	urldate = {2023-08-14},
	journal = {Science Advances},
	author = {Armada-Moreira, Adam and Dar, Abdul Manan and Zhao, Zifang and Cea, Claudia and Gelinas, Jennifer and Berggren, Magnus and Costa, Alex and Khodagholy, Dion and Stavrinidou, Eleni},
	month = jul,
	year = {2023},
	pages = {eadh4443},
}

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