Actin depolymerization is able to increase plant resistance against pathogens via activation of salicylic acid signalling pathway

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389030%3A_____%2F19%3A00507812" target="_blank" >RIV/61389030:_____/19:00507812 - isvavai.cz</a>
Alternative codes found
RIV/60461373:22330/19:43918487 RIV/00216208:11310/19:10395533
Result on the web
<a href="http://dx.doi.org/10.1038/s41598-019-46465-5" target="_blank" >http://dx.doi.org/10.1038/s41598-019-46465-5</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1038/s41598-019-46465-5" target="_blank" >10.1038/s41598-019-46465-5</a>

Result language
angličtina
Original language name
Actin depolymerization is able to increase plant resistance against pathogens via activation of salicylic acid signalling pathway
Original language description
The integrity of the actin cytoskeleton is essential for plant immune signalling. Consequently, it is generally assumed that actin disruption reduces plant resistance to pathogen attack. Here, we demonstrate that actin depolymerization induced a dramatic increase in salicylic acid (SA) levels in Arabidopsis thaliana. Transcriptomic analysis showed that the SA pathway was activated due to the action of isochorismate synthase (ICS). The effect was also confirmed in Brassica napus. This raises the question of whether actin depolymerization could, under particular conditions, lead to increased resistance to pathogens. Thus, we explored the effect of pretreatment with actin-depolymerizing drugs on the resistance of Arabidopsis thaliana to the bacterial pathogen Pseudomonas syringae, and on the resistance of an important crop Brassica napus to its natural fungal pathogen Leptosphaeria maculans. In both pathosystems, actin depolymerization activated the SA pathway, leading to increased plant resistance. To our best knowledge, we herein provide the first direct evidence that disruption of the actin cytoskeleton can actually lead to increased plant resistance to pathogens, and that SA is crucial to this process.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10609 - Biochemical research methods

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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