Physiological and metabolic responses to aluminum toxicity reveal differing resistance mechanisms to long-term exposure in highbush blueberry cultivars

Simple item page
datacite.alternateIdentifier.citationScientia Horticulturae, 309, 2023
datacite.alternateIdentifier.doi10.1016/j.scienta.2022.111665
datacite.alternateIdentifier.issn0304-4238
datacite.creatorCárcamo-Fincheira, Paz
datacite.creatorReyes-Díaz, Marjorie M.
datacite.creatorOmena-Garcia, Rebeca Patrícia
datacite.creatorNunes-Nesi, Adriano
datacite.creatorInostroza-Blancheteau, Claudio
datacite.date2023
datacite.rightsRegistro bibliográfico
datacite.subjectAluminum Toxicity
datacite.subjectAscorbate
datacite.subjectOxalate
datacite.subjectOxidative Stress
datacite.subjectPhotosynthesis
datacite.subjectAluminum
datacite.subjectAntioxidant
datacite.subjectConcentration (composition)
datacite.subjectDetoxification
datacite.subjectEnvironmental Stress
datacite.subjectLipid
datacite.subjectMetabolism
datacite.subjectOxalate
datacite.subjectOxidative Stress
datacite.subjectPhysiological Response
datacite.subjectPigment
datacite.subjectSugar
datacite.subjectToxicity
datacite.subjectChile
datacite.titlePhysiological and metabolic responses to aluminum toxicity reveal differing resistance mechanisms to long-term exposure in highbush blueberry cultivars
dc.contributor.authorINOSTROZA BLANCHETEAU, CLAUDIO ANDRES
dc.description.abstractAluminum (Al) toxicity is a major environmental stress that affects the growth and development of plants in acid soils. Plants have developed different mechanisms and strategies of Al resistance based on the biosynthesis of organic compounds and the formation of non-phytotoxic complexes with Al. In this study we use three cultivars traditionally cultivated of highbush blueberry (Vaccinium corymbosum L., Brigitta , Star , and Duke ) and two cultivars from the USA ( Camelia and Cargo ) that were recently introduced in southern Chile. Physiological and biochemical parameters were evaluated on plants grown at 0 and 200 µM Al in Hoagland solution (pH 4.5) for 0, 7, 14, and 21 days. We found that the Al concentration increased in roots and shoots in all cultivars and that the relative growth rate was reduced only in shoots of Star plants, an Al-sensitive cultivar. Photosynthetic parameters were reduced under Al treatment only in Star and Brigitta . The concentration of photosynthetic pigments was reduced in Star , but increased in Cargo and Brigitta under Al toxicity. Duke had a higher concentration of sugars and polyphenols, increased antioxidant activity, and low lipid peroxidation in leaves under Al treatment. The levels of ascorbate (ASC) and dehydroascorbate (DHA) increased in Camellia leaves and Duke roots. The ASC/DHA ratio in roots increased in Star , and Camellia , but decreased in Duke and Brigitta leaves in the Al treatment. Cultivars Cargo and Brigitta increased oxalate exudation from roots under Al-toxicity, whereas Star had low oxalate exudation. The results suggest a possible strategy related to internal detoxification via carbohydrates and phenolic compounds to reduce the long term toxic effect of Al in Duke , Cargo , and Camellia cultivars of V. corymbosum under acidic conditions. © 2022 Elsevier B.V., All rights reserved.
dc.description.ia_keywordcultivars, star, increased, brigitta, duke, under, toxicity
dc.identifier.urihttps://repositoriodigital.uct.cl/handle/10925/5191
dc.language.isoen
dc.publisherElsevier BV
dc.relationinstname: ANID
dc.relationreponame: Repositorio Digital RI2.0
dc.rights.driverinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/
dc.sourceScientia Horticulturae
dc.subject.ia_oecd1nCiencias Naturales
dc.subject.ia_oecd2nCiencias Biológicas
dc.subject.ia_oecd3nEcología
dc.type.driverinfo:eu-repo/semantics/article
dc.type.driverhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.type.openaireinfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
oaire.citationEdition2023
oaire.citationTitleScientia Horticulturae
oaire.citationVolume309
oaire.fundingReferenceANID FONDECYT 1201749, 1171286 (Regulares), 11160355 (Iniciación)
oaire.fundingReferenceCNPq Brasil 166388/2020-3, 313534/2020-9
oaire.licenseConditionCopyright © Elsevier B.V., 2022
oaire.resourceTypeArtículo
oaire.resourceType.enArticle
relation.isAuthorOfPublication25287ee1-cae8-401d-b42c-ee3f8fc05d2a
relation.isAuthorOfPublication.latestForDiscovery25287ee1-cae8-401d-b42c-ee3f8fc05d2a
uct.catalogadorjvu
uct.comunidadRecursos Naturalesen_US
uct.departamentoDepartamento de Ciencias Agropecuarias y Acuícolas
uct.facultadFacultad de Recursos Naturales
uct.indizacionScience Citation Index Expanded - SCIE
uct.indizacionScopus
uct.indizacionPubMed
uct.indizacionCAB Abstracts
uct.indizacionHorticultural Abstracts
Files
Collections
Producción Alimentaria