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Effect of the mycorrhizal symbiosis time in the antioxidant activity of fungi and Pinus pinaster roots, stems and leaves

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dc.contributor.authorReis, Filipa S.
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorMartins, Anabela
dc.date.accessioned2011-10-25T10:36:20Z
dc.date.available2011-10-25T10:36:20Z
dc.date.issued2012
dc.description.abstractThe ectomycorrhizal (ECM) symbiosis that develops between the roots of host trees and the soil ECM fungi is an important factor towards the survival, health and growth of these trees, as it stimulates their water and nutrient uptake. Ectomycorrhizal colonization can result in the deposition of phenolic compounds in peripheral cortex cells and a similar answer can be recognized as one way of plant defense against pathogenic infections. The aim of the present work was the evaluation of antioxidant potential of the ectomycorrhizal fungi, Paxillus involutus and Pisolithus arhizus, in presence and absence of the symbiont – Pinus pinaster –, in response to the symbiotic association, under different contact periods (45 days and 48 h). Phenolic contents in mycelia, culture media and plant leaves, stems and roots were determined by Folin-Ciocalteu assay, and their antioxidant properties were evaluated by three in vitro assays: 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, reducing power and lipid peroxidation inhibition through B-carotene bleaching inhibition. Comparing the response of the symbionts to the host species, Pinus pinaster benefited most with the association, because it generally decreases the phenolics content and the antioxidant activity values in the presence of both ectomycorrhizal fungi along time. Pisolithus arhizus also decreased, in general, its phenolics levels and antioxidant properties, alongside with Pinus pinaster, unlike Paxillus involutus that did not have the same response as it increases its content of phenolics and some of its values of antioxidant activity. These results can be considered as an hypothetical signal of a symbiotic differential compatibility of mycorrhizal fungi for a host.por
dc.identifier.citationReis, Filipa S.; Ferreira, Isabel C.F.R.; Martins, Anabela (2012). Effect of the mycorrhizal symbiosis time in the antioxidant activity of fungi and Pinus pinaster roots, stems and leaves. Industrial Crops and Products. ISSN 0926-6690. 35:1, p. 211-216por
dc.identifier.doi10.1016/j.indcrop.2011.06.038
dc.identifier.issn0926-6690
dc.identifier.urihttp://hdl.handle.net/10198/6234
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.relationPortuguese Wild Mushrooms: Chemical characterization and functional study of antiproliferative and proapoptotic properties in cancer cell lines
dc.subjectEctomycorrhizal fungipor
dc.subjectPinus pinasterpor
dc.subjectSymbiosispor
dc.subjectContact periodpor
dc.subjectAntioxidant potentialpor
dc.titleEffect of the mycorrhizal symbiosis time in the antioxidant activity of fungi and Pinus pinaster roots, stems and leavespor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitlePortuguese Wild Mushrooms: Chemical characterization and functional study of antiproliferative and proapoptotic properties in cancer cell lines
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FAGR-ALI%2F110062%2F2009/PT
oaire.citation.endPage216por
oaire.citation.issue35por
oaire.citation.startPage211por
oaire.citation.titleIndustrial Crops and Productspor
oaire.fundingStream5876-PPCDTI
person.familyNameReis
person.familyNameFerreira
person.familyNameMartins
person.givenNameFilipa S.
person.givenNameIsabel C.F.R.
person.givenNameAnabela
person.identifier144781
person.identifier.ciencia-id391F-AFE1-64C7
person.identifier.ciencia-id9418-CF95-9919
person.identifier.ciencia-id7B18-A810-6B93
person.identifier.orcid0000-0002-9159-0530
person.identifier.orcid0000-0003-4910-4882
person.identifier.orcid0000-0001-6218-4413
person.identifier.ridI-2093-2013
person.identifier.ridE-8500-2013
person.identifier.ridG-5488-2013
person.identifier.scopus-author-id36982144400
person.identifier.scopus-author-id36868826600
person.identifier.scopus-author-id7203013518
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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