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dc.contributor.authorMELO, T. O.
dc.contributor.authorKOPKA, J.
dc.contributor.authorWENDLING, I.
dc.contributor.authorERBAN, A.
dc.contributor.authorMARQUES, F. A.
dc.contributor.authorHANSEL, F. A.
dc.date.accessioned2026-05-20T00:28:20Z-
dc.date.available2026-05-20T00:28:20Z-
dc.date.created2026-05-18
dc.date.issued2026
dc.identifier.citationPhysiologia Plantarum, v. 178, n. 3, 2026.
dc.identifier.issn0031-9317
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1186934-
dc.descriptionThis study presents an integrated multivariate and univariate analysis of circadian metabolomic signatures in Ilex paraguar-iensis (yerba mate) clones cultivated under semi-hydroponic conditions. Using repeated measures ANOVA–SimultaneousComponent Analysis (RM-ASCA+) and hierarchical clustering on principal components (HCPC), we explored clone-specificand photoperiod- dependent metabolic responses across light and dark phases, complemented by high-resolution timepointsampling (HRS) and targeted screening. Clone EC21 exhibited elevated levels of sugars, amino acids, and organic acids, sug-gesting a metabolic strategy adapted to saline stress and nocturnal energy demands. Photoperiod effects revealed circadianregulation of central carbon metabolites (e.g., glucose, fructose, maltose) and phenylpropanoid intermediates linked to bio-active compounds such as caffeoyl- quinic acids. Interaction effects highlighted metabolic plasticity, particularly in nitrogenassimilation, with compounds like 2- oxo-glutaric acid, glutamine, and ornithine showing clone- specific temporal patterns.Caffeine, a heritable and physiologically relevant metabolite, displayed distinct circadian profiles. EC24 accumulated caf-feine during the day, while EC21 peaked at night. This dynamic distribution, supported by allantoin patterns in caffeinecatabolism, suggests divergent nitrogen turnover strategies between clones. These findings underscore the importance ofgenotype selection and temporal regulation in optimizing yerba mate performance under semi-hydroponic systems. Thecombined use of RM-ASCA+ and univariate analysis proved to be a powerful approach for profiling metabolomic rhythms,offering valuable insights for breeding programs targeting bioactive compound enhancement, stress resilience, and meta-bolic efficiency.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectErva mate
dc.titleIntegrated multivariate and univariate analysis of circadian metabolomic signatures in yerba mate clones in a semi‐hydroponic system.
dc.typeArtigo de periódico
dc.subject.thesagroIlex Paraguariensis
dc.subject.thesagroCultivo Hidropônico
dc.subject.thesagroClone
dc.subject.thesagroMelhoramento Genético Vegetal
dc.subject.nalthesaurusYerba mate
dc.subject.nalthesaurusHydroponics
dc.subject.nalthesaurusClones
dc.subject.nalthesaurusBreeding and Genetic Improvement
riaa.ainfo.id1186934
riaa.ainfo.lastupdate2026-05-19
dc.identifier.doihttps://doi.org/10.1111/ppl.70917
dc.contributor.institutionTAMIRES O. MELO, UNIVERSIDADE FEDERAL DO PARANÁ
dc.contributor.institutionJOACHIM KOPKA, MAX‐PLANCK‐INSTITUT FÜR MOLEKULARE PFLANZENPHYSIOLOGIEeng
dc.contributor.institutionIVAR WENDLING, CNPFeng
dc.contributor.institutionALEXANDER ERBAN, MAX‐PLANCK‐INSTITUT FÜR MOLEKULARE PFLANZENPHYSIOLOGIEeng
dc.contributor.institutionFRANCISCO A. MARQUES, UNIVERSIDADE FEDERAL DO PARANÁeng
dc.contributor.institutionFABRICIO AUGUSTO HANSEL, CNPF.eng
Aparece en las colecciones:Artigo em periódico indexado (CNPF)

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