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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erw506
|2 doi
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|a pubmed24n1348.xml
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|a (NLM)28338755
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Blanco-Ulate, Barbara
|e verfasserin
|4 aut
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|a Red blotch disease alters grape berry development and metabolism by interfering with the transcriptional and hormonal regulation of ripening
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 16.11.2017
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|a Date Revised 26.03.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Grapevine red blotch-associated virus (GRBaV) is a major threat to the wine industry in the USA. GRBaV infections (aka red blotch disease) compromise crop yield and berry chemical composition, affecting the flavor and aroma properties of must and wine. In this study, we combined genome-wide transcriptional profiling with targeted metabolite analyses and biochemical assays to characterize the impact of the disease on red-skinned berry ripening and metabolism. Using naturally infected berries collected from two vineyards, we were able to identify consistent berry responses to GRBaV across different environmental and cultural conditions. Specific alterations of both primary and secondary metabolism occurred in GRBaV-infected berries during ripening. Notably, GRBaV infections of post-véraison berries resulted in the induction of primary metabolic pathways normally associated with early berry development (e.g. thylakoid electron transfer and the Calvin cycle), while inhibiting ripening-associated pathways, such as a reduced metabolic flux in the central and peripheral phenylpropanoid pathways. We show that this metabolic reprogramming correlates with perturbations at multiple regulatory levels of berry development. Red blotch caused the abnormal expression of transcription factors (e.g. NACs, MYBs, and AP2-ERFs) and elements of the post-transcriptional machinery that function during red-skinned berry ripening. Abscisic acid, ethylene, and auxin pathways, which control both the initiation of ripening and stress responses, were also compromised. We conclude that GRBaV infections disrupt normal berry development and stress responses by altering transcription factors and hormone networks, which result in the inhibition of ripening pathways involved in the generation of color, flavor, and aroma compounds
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Developmental regulation
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|a metabolic flux
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|a perennial woody crop
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| 650 |
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|a plant–virus interaction
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|a secondary metabolism
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|a viral disease
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|a véraison
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|a Hopfer, Helene
|e verfasserin
|4 aut
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|a Figueroa-Balderas, Rosa
|e verfasserin
|4 aut
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|a Ye, Zirou
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|a Rivero, Rosa M
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|a Albacete, Alfonso
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|a Pérez-Alfocea, Francisco
|e verfasserin
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|a Koyama, Renata
|e verfasserin
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|a Anderson, Michael M
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|a Smith, Rhonda J
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|a Ebeler, Susan E
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|a Cantu, Dario
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 68(2017), 5 vom: 01. Feb., Seite 1225-1238
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:68
|g year:2017
|g number:5
|g day:01
|g month:02
|g pages:1225-1238
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|u http://dx.doi.org/10.1093/jxb/erw506
|3 Volltext
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