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Differential regulation of antioxidant machinery on grass pea partial resistance against powdery mildew and rust pathogens

2025Journal article Embargoed access
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datacite.subject.fosCiências Agrárias::Agricultura, Silvicultura e Pescas
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg15:Proteger a Vida Terrestre
dc.contributor.authorMartins, Davide Coelho
dc.contributor.authorMendes, Francisco A.
dc.contributor.authorAraújo, Susana de Sousa
dc.contributor.authorRubiales, Diego
dc.contributor.authorPatto, Maria Carlota Vaz
dc.date.accessioned2025-06-02T13:45:39Z
dc.date.available2025-06-02T13:45:39Z
dc.date.issued2025
dc.description.abstractPowdery mildew (Erysiphe pisi, E. trifolii) and rust (Uromyces pisi) are important diseases affecting grass pea (Lathyrus sativus). This study investigates grass pea’s histological, enzymatic, and metabolic responses to these pathogens using accessions with contrasting resistance. Partially resistant (PR) accessions exhibited smaller fungal colonies from 48 h after inoculation (HAI) onwards. Enhanced superoxide dismutase (SOD) activity was observed as early as 12 HAI in PR accessions against both powdery mildews, associated with increased ascorbate peroxidase (APX) and catalase (CAT) activity in E. trifolii and E. pisi infections, respectively. Moreover, phenolic compounds and flavonoids accumulated in E. trifolii-infected PR accessions (6–48 HAI). For rust, APX activity rose at 48 HAI in PR accessions. These findings suggest that partial resistance (PR) in grass pea is characterized by restricted pathogen invasion and a dynamic regulation of reactive oxygen species (ROS) scavenging enzymes, with responses varying across pathosystems. This highlights the importance of pathogen-specific selection strategies to minimize the risk of resistance breakdown and promote durable disease resistance in breeding programs.eng
dc.description.sponsorshipThis work was supported by Fundação para a Ciência e Tecnologia through the grant PD/BD/128498/2017 (D.C.M.) and grant 2022.11911.BD (F.A.M.), the R&D research Unit GREEN-IT – Bio-resources for Sustainability (UID/04551/2020, UIDP/04551/2020), and the Associated Laboratory LS4Future (LA/P/0087/2020), and by the European Union through the DIVINFOOD project (Horizon 2020, grant agreement 10383). DCM acknowledges the financial support from national funds throught FCT/MCTES (PIDDAC): CIMO, UIDB/00690/2020 (DOI: 10.54499/UIDB/00690/2020), UIDP/00690/2020 (DOI: 10.54499/UIDP/00690/2020), and SusTEC, LA/P/0007/2020 (DOI: 10.54499/LA/P/0007/2020). DR acknowledges the financial support from Spanish project PID2023-146215OB-I00 (MCIN/AEI/10.13039/ 501100011033).
dc.identifier.citationMartins, Davide Coelho; Mendes, Francisco A.; Araújo, Susana de Sousa; Rubiales, Diego; Patto, Maria Carlota Vaz. (2025). Differential regulation of antioxidant machinery on grass pea partial resistance against powdery mildew and rust pathogens. Physiological and Molecular Plant Pathology. ISSN 0885-5765. 138, p. 1-13
dc.identifier.doi10.1016/j.pmpp.2025.102717
dc.identifier.issn0885-5765
dc.identifier.urihttp://hdl.handle.net/10198/34540
dc.language.isoeng
dc.peerreviewedyes
dc.publisherAcademic Press
dc.relationMountain Research Center
dc.relationMountain Research Center
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
dc.relation.ispartofPhysiological and Molecular Plant Pathology
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAntioxidant metabolites and enzymes
dc.subjectBiotic stress
dc.subjectErysiphe pisi
dc.subjectErysiphe trifolii
dc.subjectLathyrus sativus Uromyces pisi
dc.titleDifferential regulation of antioxidant machinery on grass pea partial resistance against powdery mildew and rust pathogenseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleMountain Research Center
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0007%2F2020/PT
oaire.citation.endPage13
oaire.citation.startPage1
oaire.citation.titlePhysiological and Molecular Plant Pathology
oaire.citation.volume138
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isProjectOfPublication29718e93-4989-42bb-bcbc-4daff3870b25
relation.isProjectOfPublication0aac8939-28c2-46f4-ab6b-439dba7f9942
relation.isProjectOfPublication6255046e-bc79-4b82-8884-8b52074b4384
relation.isProjectOfPublication.latestForDiscovery29718e93-4989-42bb-bcbc-4daff3870b25

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