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- W3197563194 endingPage "112933" @default.
- W3197563194 startingPage "112933" @default.
- W3197563194 abstract "Rooted cuttings from two carnation (Dianthus caryophyllus L.) cultivars showing contrasting responses to the vascular wilt caused by Fusarium oxysporum f. sp. dianthi (Fod) were inoculated with this phytopathogen, and some of the biochemical responses associated with flavonoid biosynthesis were investigated in the roots. The resistant cultivar ('Golem') showed a significant increase in the levels of phenolic and flavonoid compounds at 48-96 h post-inoculation (hpi) (α = 0.05). LC-MS-based analysis indicated that the flavonoids mainly included flavanol-type glycosides, especially quercetin and kaempferol aglycones. Quantification of the mRNA levels of genes encoding CHS (Chalcone Synthase), CHI (Chalcone Isomerase), FLS (Flavonol Synthase), and the transcription factor MYB11 by using reverse transcription quantitative polymerase chain reaction (RT-qPCR) indicated that the resistant cultivar exhibited higher expression levels of these genes and, therefore, showed more flavonoid accumulation at 96 hpi. The differences in the temporal regulation of the assessed variables during infection support the idea that the early expression of enzymes of the flavonoid biosynthesis pathway in carnation roots is linked to a resistance response to the hemibiotrophic pathogen Fod race 2. The present experimental approach is the first report describing the molecular mechanisms underlying flavonoid biosynthesis in carnation roots during their interaction with Fod." @default.
- W3197563194 created "2021-09-13" @default.
- W3197563194 creator A5018046231 @default.
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- W3197563194 creator A5038888979 @default.
- W3197563194 creator A5044962766 @default.
- W3197563194 creator A5067313669 @default.
- W3197563194 date "2021-12-01" @default.
- W3197563194 modified "2023-10-06" @default.
- W3197563194 title "Flavonoid biosynthesis in Dianthus caryophyllus L. is early regulated during interaction with Fusarium oxysporum f. sp. dianthi" @default.
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- W3197563194 doi "https://doi.org/10.1016/j.phytochem.2021.112933" @default.
- W3197563194 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34482105" @default.