期刊
PLANTS-BASEL
卷 9, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/plants9020136
关键词
Jasmonic acid; OPR3; Pseudomonas syringae; OPDA
资金
- Spanish Ministry of Science and Innovation [AGL2013-49023-C03-02-R, AGL2017-85987-C3-1-R]
- Pla de Promocio de la Investigacio of Universitat Jaume I [P1 - 1B2013-75, UJI-B2017-30]
- MINECO
The jasmonic acid pathway has been considered as the backbone of the response against necrotrophic pathogens. However, a hemi-biotrophic pathogen, such as Pseudomonas syringae, has taken advantage of the crosstalk between the different plant hormones in order to manipulate the responses for its own interest. Despite that, the way in which Pseudomonas syringae releases coronatine to activate jasmonic acid-derived responses and block the activation of salicylic acid-mediated responses is widely known. However, the implication of the jasmonic intermediates in the plant-Pseudomonas interaction is not studied yet. In this work, we analyzed the response of both, plant and bacteria using SiOPR3 tomato plants. Interestingly, SiOPR3 plants are more resistant to infection with Pseudomonas. The gene expression of bacteria showed that, in SiOPR3 plants, the activation of pathogenicity is repressed in comparison to wild type plants, suggesting that the jasmonic acid pathway might play a role in the pathogenicity of the bacteria. Moreover, treatments with JA restore the susceptibility as well as activate the expression of bacterial pathogenicity genes. The observed results suggest that a complete jasmonic acid pathway is necessary for the susceptibility of tomato plants to Pseudomonas syringae.
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