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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/nph.16646
|2 doi
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|a pubmed24n1032.xml
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|a (DE-627)NLM309755514
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|a (NLM)32392391
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Farmer, Edward E
|e verfasserin
|4 aut
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| 245 |
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|a Wound- and mechanostimulated electrical signals control hormone responses
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.
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|a Plants in nature are constantly exposed to organisms that touch them and wound them. A highly conserved response to these stimuli is a rapid collapse of membrane potential (i.e. a decrease of electrical field strength across membranes). This can be coupled to the production and/or action of jasmonate or ethylene. Here, the various types of electrical signals in plants are discussed in the context of hormone responses. Genetic approaches are revealing genes involved in wound-induced electrical signalling. These include clade 3 GLUTAMATE RECEPTOR-LIKE (GLR) genes, Arabidopsis H+ -ATPases (AHAs), RESPIRATORY BURST OXIDASE HOMOLOGUEs (RBOHs), and genes that determine cell wall properties. We briefly review touch- and wound-induced increases in cytosolic Ca2+ concentrations and their temporal relationship to electrical activities. We then look at the questions that need addressing to link mechanostimulation and wound-induced electrical activity to hormone responses. Utilizing recently published results, we also present a hypothesis for wound-response leaf-to-leaf electrical signalling. This model is based on rapid electro-osmotic coupling between the phloem and xylem. The model suggests that the depolarization of membranes within the vascular matrix triggered by physical stimuli and/or chemical elicitors is linked to changes in phloem turgor and that this plays vital roles in leaf-to-leaf electrical signal propagation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Review
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| 650 |
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|a action potential
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| 650 |
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|a calcium
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| 650 |
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|a ethylene
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4 |
|a jasmonate
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| 650 |
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4 |
|a mechanostimulation
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Hormones
|2 NLM
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| 700 |
1 |
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|a Gao, Yong-Qiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lenzoni, Gioia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wolfender, Jean-Luc
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Qian
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 227(2020), 4 vom: 11. Aug., Seite 1037-1050
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:227
|g year:2020
|g number:4
|g day:11
|g month:08
|g pages:1037-1050
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| 856 |
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|u http://dx.doi.org/10.1111/nph.16646
|3 Volltext
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|d 227
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|h 1037-1050
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