Abstract
Electropotential waves (EPW) are involved in plant responses to both abiotic and biotic stresses. Three different types of EPWs have been identified: action potential, variation potential, and system potential, all of which have been indicated to participate in phloem-based communication between plant organs. In this chapter we describe in detail how to measure EPWs in plants, including how to access the phloem, and how to insert microelectrodes. Such experiments can be used, for example, to study the local and systemic signaling in response to diverse stimuli like microbial threat or herbivore attack.
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Acknowledgments
We are grateful to Michael Thorpe for proofreading and helpful comments. This work was supported by the Deutsche Forschungsgemeinschaft (grant FU969/2-1 to ACUF and MRZ) and the Max Planck Society, Germany (MKP).
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Zimmermann, M.R., Hafke, J.B., Paulmann, M.K., Furch, A.C.U. (2019). Measurement of Electropotential Waves in Intact Phloem Sieve Elements Using Microelectrodes. In: Liesche, J. (eds) Phloem. Methods in Molecular Biology, vol 2014. Humana, New York, NY. https://doi.org/10.1007/978-1-4939-9562-2_34
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DOI: https://doi.org/10.1007/978-1-4939-9562-2_34
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