Phytohormone participation during Citrus sinensis non-host response to Xanthomonas campestris pv. vesicatoria
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https://doi.org/10.1016/j.plgene.2018.05.006 |
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Title
Phytohormone participation during Citrus sinensis non-host response to Xanthomonas campestris pv. vesicatoriaAuthor (s)
Date
2018Publisher
ElsevierISSN
2352-4073Bibliographic citation
PETROCELLI, Silvana, et al. Phytohormone participation during Citrus sinensis non-host response to Xanthomonas campestris pv. vesicatoria. Plant gene, 2018, vol. 15, p. 28-36.Type
info:eu-repo/semantics/articlePublisher version
https://www.sciencedirect.com/science/article/pii/S2352407318300209Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
Citrus, one of the most valuable fruit crops around the world, are severely damaged by biotic stress and huge
economical losses are caused by pathogen infections. Non-host response is an essential plant defense ... [+]
Citrus, one of the most valuable fruit crops around the world, are severely damaged by biotic stress and huge
economical losses are caused by pathogen infections. Non-host response is an essential plant defense mechanism
against pathogen attack, however is still not completely characterized and is poorly studied in non-model plants.
In previous reports, we characterized C. sinensis non-host response to Xanthomonas campestris pv. vesicatoria
(Xcv), in comparison to infection caused by Xanthomonas citri subsp. citri (Xcc). This was described as a hypersensitive response with structural and physiological modifications, and transcriptional reprogramming of
pathogen related proteins and transcription factors, among others. Phytohormones serve as key regulators in
plant response to stress, by means of interconnected complex pathways. Here, we study the participation of
phytohormone pathways during Citrus non-host response to Xcv. Our results indicate a decrease in abscisic acid,
cytokinins, gibberellins, brassinosteroids, auxins and nitric oxide, an increase in ethylene and salicylic acid,
constant levels of jasmonic acid, whereas polyamine levels change in a very specific pattern. The present work
provides a first broad approach to hormone participation during non-host response in a non-model plant of the
Citrus genus, also representative of woody plants. [-]
Is part of
Plant Gene 15 (2018)Investigation project
BID-PICT-201-0426 ; CONICET, PIP 2012- 2014 grant number 11420110100394 ; BID-PICT-2010-1762 ; AGL2013- 42038R ; AR2009-0023Rights
2352-4073/ © 2018 Elsevier B.V. All rights reserved.
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