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Prunus persica plant endogenous peptides PpPep1 and PpPep2 cause PTI-like transcriptome reprogramming in peach and enhance resistance to Xanthomonas arboricola pv. pruni

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dc.contributor.author Esteve-Codina, Anna
dc.contributor.author Nadal, Anna
dc.contributor.author Zagorščak, Maja
dc.contributor.author Ramšak, Živa
dc.contributor.author Esteve-Codina, Anna
dc.contributor.author Gruden, Kristina
dc.contributor.author Pla, Maria
dc.date.accessioned 2021-07-23T06:57:16Z
dc.date.available 2021-07-23T06:57:16Z
dc.date.issued 2021
dc.identifier.citation Foix L, Nadal A, Zagorščak M, Ramšak Ž, Esteve-Codina A, Gruden K et al. Prunus persica plant endogenous peptides PpPep1 and PpPep2 cause PTI-like transcriptome reprogramming in peach and enhance resistance to Xanthomonas arboricola pv. pruni. BMC Genomics. 2021 May 18;22(1):360. DOI: 10.1186/s12864-021-07571-9
dc.identifier.issn 1471-2164
dc.identifier.uri http://hdl.handle.net/10230/48282
dc.description.abstract Background: Rosaceae species are economically highly relevant crops. Their cultivation systems are constrained by phytopathogens causing severe losses. Plants respond to invading pathogens through signaling mechanisms, a component of which are of them being plant elicitor peptides (Peps). Exogenous application of Peps activates defense mechanisms and reduces the symptoms of pathogen infection in various pathosystems. We have previously identified the Rosaceae Peps and showed, in an ex vivo system, that their topical application efficiently enhanced resistance to the bacterial pathogen Xanthomonas arboricola pv. pruni (Xap). Results: Here we demonstrate the effectiveness of Prunus persica peptides PpPep1 and PpPep2 in protecting peach plants in vivo at nanomolar doses, with 40% reduction of the symptoms following Xap massive infection. We used deep sequencing to characterize the transcriptomic response of peach plants to preventive treatment with PpPep1 and PpPep2. The two peptides induced highly similar massive transcriptomic reprogramming in the plant. One hour, 1 day and 2 days after peptide application there were changes in expression in up to 8% of peach genes. We visualized the transcriptomics dynamics in a background knowledge network and detected the minor variations between plant responses to PpPep1 and PpPep2, which might explain their slightly different protective effects. By designing a P. persica Pep background knowledge network, comparison of our data and previously published immune response datasets was possible. Conclusions: Topical application of P. persica Peps mimics the PTI natural response and protects plants against massive Xap infection. This makes them good candidates for deployment of natural, targeted and environmental-friendly strategies to enhance resistance in Prunus species and prevent important biotic diseases.
dc.description.sponsorship This work was supported by the Spanish MINECO (Grant AGL2017–85121-R), funded by Ministerio de Economía, Industria y Competividad, Slovene Research Agency (grants P4–0165, J4–1777, J4–9302 and Z7–1888), L. F received fellowships from Generalitat de Catalunya (2017FI_B_00435) and AEC was funded by ISCIII /MINECO (PT17/0009/0019) and co-funded by FEDER
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher BioMed Central
dc.rights © Laura Foix et al. 2021. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made
dc.rights.uri https://creativecommons.org/licenses/by/4.0/
dc.subject.other Presseguer
dc.subject.other Infecció per xap
dc.subject.other Medicina preventiva
dc.title Prunus persica plant endogenous peptides PpPep1 and PpPep2 cause PTI-like transcriptome reprogramming in peach and enhance resistance to Xanthomonas arboricola pv. pruni
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1186/s12864-021-07571-9
dc.relation.projectID info:eu-repo/grantAgreement/ES/2PE/AGL2017–85121-R
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion

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