Resistance Inducers Modulate Pseudomonas syringae pv. Tomato Strain DC3000 Response in Tomato Plants
Scholar | Other documents of the author: Scalschi, Loredana Maria; Camañes Querol, Gemma; Llorens, Eugenio; Fernández Crespo, Emma; López, María M.; García Agustín, Pilar; Vicedo Jover, Begonya
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TitleResistance Inducers Modulate Pseudomonas syringae pv. Tomato Strain DC3000 Response in Tomato Plants
Publisher versionhttp://www.plosone.org/article/fetchObject.action?uri=info:doi/10.1371/journal.p ...
PublisherPublic Library of Science
The efficacy of hexanoic acid (Hx) as an inducer of resistance in tomato plants against Pseudomonas syringae pv. tomato DC3000 was previously demonstrated, and the plant response was characterized. Because little is ... [+]
The efficacy of hexanoic acid (Hx) as an inducer of resistance in tomato plants against Pseudomonas syringae pv. tomato DC3000 was previously demonstrated, and the plant response was characterized. Because little is known about the reaction of the pathogen to this effect, the goal of the present work was to determine whether the changes in the plant defence system affect the pathogen behaviour. This work provides the first demonstration of the response of the pathogen to the changes observed in plants after Hx application in terms of not only the population size but also the transcriptional levels of genes involved in quorum sensing establishment and pathogenesis. Therefore, it is possible that Hx treatment attenuates the virulence and survival of bacteria by preventing or diminishing the appearance of symptoms and controlling the growth of the bacteria in the mesophyll. It is interesting to note that the gene transcriptional changes in the bacteria from the treated plants occur at the same time as the changes in the plants. Hx is able to alter bacteria pathogenesis and survival only when it is applied as a resistance inducer because the changes that it promotes in plants affect the bacteria. [-]
Bibliographic citationScalschi L, Camañes G, Llorens E, Fernández-Crespo E, López MM, García-Agustín P, et al. (2014) Resistance Inducers Modulate Pseudomonas syringae pv. Tomato Strain DC3000 Response in Tomato Plants. PLoS ONE 9(9): e106429. doi:10.1371/journal.pone.0106429
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Except where otherwise noted, this item's license is described as © 2014 Scalschi et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.