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dc.creatorZorić, A.S.
dc.creatorMorina, F.
dc.creatorToševski, Ivo
dc.creatorTosti, Tomislav
dc.creatorJović, Jelena
dc.creatorKrstić, Oliver
dc.creatorVeljović-Jovanović, Sonja
dc.date.accessioned2019-01-09T08:06:07Z
dc.date.available2019-01-09T08:06:07Z
dc.date.issued2019
dc.identifier.issn0981-9428
dc.identifier.urihttp://cherry.chem.bg.ac.rs/handle/123456789/2804
dc.description.abstractTrehalose and its precursor, trehalose 6-phosphate (T6P), are essential regulators of plant response to abiotic and biotic stress. Here we used the specific host-insect interaction between Linaria vulgaris (Plantaginaceae) and stem-galling weevil, Rhinusa pilosa (Mecinini, Curculionidae) with the aim to distinguish carbohydrate allocation patterns in response to herbivory, gall formation (G1, 24 h after oviposition), and gall development (G2, 7 days after oviposition) under controlled conditions. The hypothesis is that herbivory and galling induce distinct responses in both leaves and stems, and that shifts in carbon allocations are regulated by signaling sugars. Systemic response to herbivory was accumulation of T6P and maltose. The main feature of G1 in the stems was accumulation of trehalose, accompanied by increased T6P, turanose and glucose content, oppositely to the leaves. In G2, galls had 3-folds higher weight than controls, with further accumulation of fructose, glucose, turanose, and total water-insoluble carbohydrates (TIC), while the sucrose/hexose ratio decreased. Analysis of fast chlorophyll fluorescence kinetic (OJIP) transients in G2 showed a slight decrease in quantum yield of electron transport flux from QA to QB, and towards photosystem I acceptor side, correlated with the decreased content of photosynthetic pigments and hexoses accumulation. Redistribution of photosynthates, and accumulation of T6P were induced in response to herbivory, indicating its signaling role. The results support the hypothesis that R. pilosa can induce plant reprogramming towards the accumulation of beneficial carbohydrates in developing gall by mechanisms which include both T6P and trehalose.
dc.publisherElsevier Masson SAS
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/43001/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/43010/RS//
dc.relationKOROLID Grant [CZ.02.1.01/0.0/0.0/ 15_003/0000336] funded by ‘the Ministry of Education, Youth and Sports of the Czech Republic’ with co-financing from the EU
dc.rightsopenAccess
dc.sourcePlant Physiology and Biochemistry
dc.subjectCarbohydrates
dc.subjectGalls
dc.subjectHerbivory
dc.subjectLinaria vulgaris
dc.subjectRhinusa pilosa
dc.subjectSource-sink interactions
dc.subjectTrehalose 6-phosphate
dc.titleResource allocation in response to herbivory and gall formation in Linaria vulgaris
dc.typearticle
dc.rights.licenseBY-NC-ND
dcterms.abstractКрстић, О.; Вељовић-Јовановић, С.; Зорић, A.С.; Морина, Ф.; Тошевски, И.; Тости, Т.; Јовић, Ј.;
dc.citation.volume135
dc.citation.spage224
dc.citation.epage232
dc.identifier.wos000457659900025
dc.identifier.doi10.1016/j.plaphy.2018.11.032
dc.citation.rankM21~
dc.identifier.pmid30578998
dc.type.versionpublishedVersion
dc.identifier.scopus2-s2.0-85058646369
dc.identifier.fulltexthttp://cherry.chem.bg.ac.rs/bitstream/id/6423/1-s2.0-S0981942818305333-main.pdf


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