Long-lasting primed state in maize plants: Salicylic acid and steroid signaling pathways as key players in the early activation of immune responses in silks

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dc.citation.titleMolecular Plant-Microbe Interactionses
dc.citation.volume32
dc.creatorAgostini, Romina B.
dc.creatorPostigo, Agustina
dc.creatorRius, Sebastián P.
dc.creatorRech, Gabriel E.
dc.creatorCampos Bermudez, Valeria A.
dc.creatorVargas, Walter A.
dc.date.accessioned2022-04-21T18:41:47Z
dc.date.available2022-04-21T18:41:47Z
dc.date.issued2018-11-16
dc.descriptionIn the present study, we investigated the induced systemic resistance (ISR) activated by the beneficial fungus Trichoderma atroviride in maize plants, and the early immunological responses triggered after challenge with the ear rot pathogen Fusarium verticillioides. By transcriptional analysis, we were able to identify the gene core set specifically modulated in silks of maize plants expressing ISR. Our results showed that the main transcriptional reprogramming falls into genes involved in five main functional categories: cell structure or cell wall, amino acid and protein metabolism, stress responses, signaling, and transport. Among these ISR-related genes, it is important to highlight novel findings regarding hormone metabolism and signaling. The expression of hormone-dependent genes was in good agreement with the abscisic acid, jasmonic acid, and salicylic acid (SA) levels detected in the plants under study. The experimental design allowed the identification of novel regulatory elements related to a heightened state of defense in silks and suggests that steroids and SA are central components of a master regulatory network controlling the immunity of silks during ISR. The results presented also provide evidence about the molecular mechanisms used by maize silks against F. verticillioides to counteract pathogenic development and host invasion, including pathogenesis-related genes, plant cell-wall reinforcement, fungal cell-wall-degrading enzymes and secondary metabolism.es
dc.description.filFil: Agostini, Romina B.Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Centro de Estudios Fotosintéticos y Bioquímicos (CEBOFI-CONICET); Argentina.es
dc.description.filFil: Postigo, Agustina. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Centro de Estudios Fotosintéticos y Bioquímicos (CEBOFI-CONICET); Argentina.es
dc.description.filFil: Rius, Sebastián P. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Centro de Estudios Fotosintéticos y Bioquímicos (CEBOFI-CONICET); Argentina.es
dc.description.filFil: Rech, Gabriel E. Universidad Pompeu Fabra. Consejo Superior de Investigaciones Científicas. Institute of Evolutionary Biology; Spain.es
dc.description.filFil: Campos Bermudez, Valeria A. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Centro de Estudios Fotosintéticos y Bioquímicos (CEBOFI-CONICET); Argentina.es
dc.description.filFil: Vargas, Walter A. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Centro de Estudios Fotosintéticos y Bioquímicos (CEBOFI-CONICET); Argentina.es
dc.description.sponsorshipAgencia Nacional de Promoción Científica y Tecnológica: PICT2013-1521, PICT2014-0801
dc.description.sponsorshipConsejo Nacional de Investigaciones Científicas y Técnicas (CONICET): PIP 0028
dc.description.sponsorshipAgencia Santafesina de Ciencia, Tecnología e Innovación
dc.formatapplication/pdf
dc.format.extent95-106es
dc.identifier.issn1943-7706es
dc.identifier.urihttp://hdl.handle.net/2133/23471
dc.language.isoenges
dc.publisherAmerican Phytopathological Societyes
dc.relation.publisherversionhttps://apsjournals.apsnet.org/doi/10.1094/MPMI-07-18-0208-R?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed
dc.relation.publisherversionhttps://doi.org/10.1094/MPMI-07-18-0208-R
dc.rightsopenAccesses
dc.rights.holderAmerican Phytopathological Societyes
dc.rights.textAttribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)es
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectSalicylic acides
dc.subjectFusariumes
dc.subjectGene expression regulationes
dc.subjectSignal transductiones
dc.subjectZea mayses
dc.titleLong-lasting primed state in maize plants: Salicylic acid and steroid signaling pathways as key players in the early activation of immune responses in silkses
dc.typepublishedVersion
dc.typearticle
dc.typeartículo
dc.type.collectionarticulo
dc.type.versionpublishedVersion

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