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Plant electrophysiology with conformable organic electronics: Deciphering the propagation of Venus flytrap action potentials
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering. Int Sch Adv Studies, Italy.ORCID iD: 0000-0002-1598-5784
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.
Columbia Univ, NY 10027 USA.
Columbia Univ, NY 10027 USA.
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2023 (English)In: Science Advances, E-ISSN 2375-2548, Vol. 9, no 30, article id eadh4443Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
AMER ASSOC ADVANCEMENT SCIENCE , 2023. Vol. 9, no 30, article id eadh4443
National Category
Cell and Molecular Biology
Identifiers
URN: urn:nbn:se:liu:diva-197581DOI: 10.1126/sciadv.adh4443ISI: 001048560200019PubMedID: 37494449OAI: oai:DiVA.org:liu-197581DiVA, id: diva2:1795940
Note

Funding Agencies|Swedish Foundation For Strategic Research [FFL18-0101]; European Union [800926]; Swedish Government Strategic Research Area in Materials Science on Advanced Functional Materials at Linkoeping University [2009-00971]; Piano di Sviluppo di Ateneo 2019 (Universita degli Studi di Milano)

Available from: 2023-09-11 Created: 2023-09-11 Last updated: 2023-09-11

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