Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/13447
DC FieldValueLanguage
dc.contributor.authorAntoniou, Chrystalla-
dc.contributor.authorFragkoudi, Ioanna-
dc.contributor.authorMartinou, Angeliki F.-
dc.contributor.authorStavrinides, Menelaos-
dc.contributor.authorFotopoulos, Vasileios-
dc.date.accessioned2019-04-05T07:40:42Z-
dc.date.available2019-04-05T07:40:42Z-
dc.date.issued2018-09-
dc.identifier.citationPlant Physiology and Biochemistry, 2018, vol. 130, pp. 658-662en_US
dc.identifier.issn09819428-
dc.description.abstractPlant response to imposition of biotic and abiotic stresses by inducing their defense mechanisms, with the production of reactive oxygen species (ROS) representing a major defense response. The present work examined the simultaneous impact of two key stress factors, drought and spider mite attack (Tetranychus urticae) in Medicago truncatula plants. Hydrogen peroxide (H2O2), lipid peroxidation (MDA content) and proline content in well-watered and drought-stressed leaves infested by spider mites along with neighboring leaves were examined in order to investigate the local and systemic effect of the two stresses on the antioxidant and osmoprotective response. High levels of lipid peroxidation were recorded in plants under drought stress and plants under combined drought stress and spider mite feeding compared with control plants. Hydrogen peroxide biosynthesis was significantly induced in plants under drought and spider mite attack, with highest levels detected in the feeding leaf (local response). Proline was accumulated in drought stressed-plants, with the highest levels observed in plants exposed to a combination of drought stress and mite feeding. RT-qPCR expression analysis of key genes implicated in ROS metabolism (PAO, DAO, AOX, CuZnSOD, FeSOD, MnSOD) and proline biosynthesis (P5CR, P5CS) pointed to different patterns of regulation between abiotic and biotic stress, as well as their combination. Exposure of plants to both drought stress and attack by spider mites mainly affected the local antioxidant and osmoprotective response of Medicago truncatula, highlighting the relative significance of drought-induced phenomena in combined drought/mite infestation stress responses.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofPlant Physiology and Biochemistryen_US
dc.rights© Elsevier Masson SASen_US
dc.subjectBiotic stressen_US
dc.subjectAbiotic stressen_US
dc.subjectSpider mitesen_US
dc.subjectROSen_US
dc.subjectProlineen_US
dc.subjectClimate changeen_US
dc.titleSpatial response of Medicago truncatula plants to drought and spider mite attacken_US
dc.typeArticleen_US
dc.collaborationCyprus University of Technologyen_US
dc.subject.categoryAgricultural Biotechnologyen_US
dc.journalsSubscriptionen_US
dc.countryCyprusen_US
dc.subject.fieldAgricultural Sciencesen_US
dc.publicationPeer Revieweden_US
dc.identifier.doi10.1016/j.plaphy.2018.08.018en_US
dc.relation.volume130en_US
cut.common.academicyear2018-2019en_US
dc.identifier.spage658en_US
dc.identifier.epage662en_US
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.openairetypearticle-
item.grantfulltextnone-
item.languageiso639-1en-
item.cerifentitytypePublications-
crisitem.journal.journalissn0981-9428-
crisitem.journal.publisherElsevier-
crisitem.author.deptDepartment of Agricultural Sciences, Biotechnology and Food Science-
crisitem.author.deptDepartment of Agricultural Sciences, Biotechnology and Food Science-
crisitem.author.deptDepartment of Agricultural Sciences, Biotechnology and Food Science-
crisitem.author.facultyFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.facultyFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.facultyFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.orcid0000-0002-6459-1941-
crisitem.author.orcid0000-0003-1205-2070-
crisitem.author.parentorgFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.parentorgFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.parentorgFaculty of Geotechnical Sciences and Environmental Management-
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