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Hexanoic acid is a resistance inducer that protects tomato plants against Pseudomonas syringae by priming the jasmonic acid and salicylic acid pathways.
dc.contributor.author | Scalschi, Loredana | |
dc.contributor.author | Vicedo, Begonya | |
dc.contributor.author | Camañes, Gemma | |
dc.contributor.author | Fernández Crespo, Emma | |
dc.contributor.author | Lapeña, Leonor | |
dc.contributor.author | González-Bosch, Carmen | |
dc.contributor.author | García Agustín, Pilar | |
dc.date.accessioned | 2014-06-24T07:38:13Z | |
dc.date.available | 2014-06-24T07:38:13Z | |
dc.date.issued | 2013 | |
dc.identifier.citation | SCALSCHI, Loredana, et al. Hexanoic acid is a resistance inducer that protects tomato plants against Pseudomonas syringae by priming the jasmonic acid and salicylic acid pathways. Molecular plant pathology, 2013, vol. 14, no 4, p. 342-355. | ca_CA |
dc.identifier.issn | 1464-6722 | |
dc.identifier.issn | 1364-3703 | |
dc.identifier.uri | http://hdl.handle.net/10234/95694 | |
dc.description.abstract | Hexanoic acid-induced resistance (Hx-IR) is effective against several pathogens in tomato plants. Our study of the mechanisms implicated in Hx-IR against Pseudomonas syringae pv. tomato DC3000 suggests that hexanoic acid (Hx) treatment counteracts the negative effect of coronatine (COR) and jasmonyl-isoleucine (JA-Ile) on the salicylic acid (SA) pathway. In Hx-treated plants, an increase in the expression of jasmonic acid carboxyl methyltransferase (JMT) and the SA marker genes PR1 and PR5 indicates a boost in this signalling pathway at the expense of a decrease in JA-Ile. Moreover, Hx treatment potentiates 12-oxo-phytodienoic acid accumulation, which suggests that this molecule might play a role per se in Hx-IR. These results support a positive relationship between the SA and JA pathways in Hx-primed plants. Furthermore, one of the mechanisms of virulence mediated by COR is stomatal re-opening on infection with P. syringae. In this work, we observed that Hx seems to inhibit stomatal opening in planta in the presence of COR, which suggests that, on infection in tomato, this treatment suppresses effector action to prevent bacterial entry into the mesophyll. | ca_CA |
dc.description.sponsorShip | This work was supported by the National R&D Plan (AGL2010-22300- C03-01 and AGL2010-22300-C03-02). Loredana Scalschi is the recipient of a PhD fellowship from the Ministerio de Educación (Grant AP2008-01064). The authors are grateful to the Serveis Centrals d’Instrumentació Científica (SCIC) from Universitat Jaume I (UJI, Castellón, Spain).We thank Montaña Mena and Alberto de Marcos-Serrano (Universidad de Castilla-La Mancha, Spain) for their help with the stomatal study, Victor Flors (UJI) for his corrections and suggestions, and Brigitte Mauch-Mani (University of Neuchätel, Switzerland) for the JA-Ile standard. This article is dedicated to Purificacion Escribano and Agustí Flors.We have missed them since 2011. | ca_CA |
dc.format.extent | 14 p. | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | John Wiley & Sons | ca_CA |
dc.relation.isPartOf | Molecular plant pathology (2013) vol. 14, no 4 | ca_CA |
dc.rights | Copyright © John Wiley & Sons | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | Systemic acquired-resistance | ca_CA |
dc.subject | Phytotoxin coronatine | ca_CA |
dc.subject | Methyl jasmonate | ca_CA |
dc.subject | Defense responses | ca_CA |
dc.subject | Botrytis-cinerea | ca_CA |
dc.subject | Arabidopsis-thaliana | ca_CA |
dc.subject | Dependent defenses | ca_CA |
dc.subject | Virulence factor | ca_CA |
dc.title | Hexanoic acid is a resistance inducer that protects tomato plants against Pseudomonas syringae by priming the jasmonic acid and salicylic acid pathways. | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1111/mpp.12010 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://onlinelibrary.wiley.com/doi/10.1111/mpp.12010/full | ca_CA |
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