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The restructuring of grape berry waxes by calcium changes the surface microbiota

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cris.lastimport.scopus2024-02-12T20:08:01Z
dc.abstract.enThe observation that exogenous Ca shifted the polyphenolic profile of grape berries and conferred a glossy appearance to mature fruits led us to hypothesize that the composition of grape berry waxes and thus surface microbiota are modified. In two cultivars sharing the same microclimate, the triterpenoid and steroid profile of berry cuticle was characterized by a targeted metabolomic approach, and surface microbial communities were surveyed by ITS and 16S metabarcoding. Results showed that Ca strongly decreased the levels of oleanolic acid, while steroids and neutral triterpenoids were affected in a cultivar-dependent manner. A total of 174 fungi and 192 bacteria OTUs were identified, with Dothideomycetes, Leotiomycetes, Alphaproteobacteria and Gammaproteobacteria comprising the most abundant classes. Ca decreased fungi biodiversity, favoring the growth of Basidiomycetes, and shifting fungi-bacteria relationships. Metabolite-microbiota networks revealed a tight relationship between microbial communities and triterpenoid components of fruit waxes, mainly stigmasterol, tremulone and oleanolic acid.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorTeixeira, António
dc.contributor.authorGerós, Hernâni
dc.contributor.authorMartins, Viviana
dc.contributor.authorSzakiel, Anna
dc.contributor.authorPączkowski, Cezary
dc.date.accessioned2024-01-26T10:37:20Z
dc.date.available2024-01-26T10:37:20Z
dc.date.issued2021
dc.description.financePublikacja bezkosztowa
dc.description.volume150
dc.identifier.doi10.1016/J.FOODRES.2021.110812
dc.identifier.issn0963-9969
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/122981
dc.identifier.weblinkhttps://api.elsevier.com/content/article/PII:S0963996921007122?httpAccept=text/xml
dc.languageeng
dc.pbn.affiliationbiological sciences
dc.relation.ispartofFood Research International
dc.relation.pages110812
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enBasidiomycetes Calcium sprays Cuticular wax Fungi-bacteria networks Grape berry microbiota Triterpenoids Steroids Vitis vinifera
dc.titleThe restructuring of grape berry waxes by calcium changes the surface microbiota
dc.typeJournalArticle
dspace.entity.typePublication