Alterations in Grapevine Leaf Metabolism Occur Prior to Esca Apoplexy Appearance

Magnin-Robert, Maryline; Adrian, Marielle; Trouvelot, Sophie; Spagnolo, Alessandro; Jacquens, Lucile; Letousey, Patricia; Rabenoelina, Fanja; Harir, Mourad; Roullier-Gall, Chloé; Clément, Christophe; Schmitt-Kopplin, Philippe; Vallat, Armelle; Abou-Mansour, Eliane; Fontaine, Florence

doi:10.1094/mpmi-02-17-0036-r

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Alterations in Grapevine Leaf Metabolism Occur Prior to Esca Apoplexy Appearance

Magnin-Robert, Maryline SFR Condorcet, Université de Reims Champagne-Ardenne, URVVC EA 4707, Laboratoire Stress, Défenses et Reproduction des Plantes, BP 1039, 51687 Reims Cedex 2, France;
Adrian, Marielle Agroécologie, AgroSup Dijon, CNRS, INRA, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France;
Trouvelot, Sophie Agroécologie, AgroSup Dijon, CNRS, INRA, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France;
Spagnolo, Alessandro SFR Condorcet, Université de Reims Champagne-Ardenne, URVVC EA 4707, Laboratoire Stress, Défenses et Reproduction des Plantes, BP 1039, 51687 Reims Cedex 2, France;
Jacquens, Lucile Agroécologie, AgroSup Dijon, CNRS, INRA, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France;
Letousey, Patricia SFR Condorcet, Université de Reims Champagne-Ardenne, URVVC EA 4707, Laboratoire Stress, Défenses et Reproduction des Plantes, BP 1039, 51687 Reims Cedex 2, France;
Rabenoelina, Fanja SFR Condorcet, Université de Reims Champagne-Ardenne, URVVC EA 4707, Laboratoire Stress, Défenses et Reproduction des Plantes, BP 1039, 51687 Reims Cedex 2, France;
Harir, Mourad Analytical BioGeoChemistry, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany;
Roullier-Gall, Chloé Chair of Analytical Food Chemistry, Technische Universität München, Freising-Weihenstephan, Germany;
Clément, Christophe SFR Condorcet, Université de Reims Champagne-Ardenne, URVVC EA 4707, Laboratoire Stress, Défenses et Reproduction des Plantes, BP 1039, 51687 Reims Cedex 2, France;
Schmitt-Kopplin, Philippe Chair of Analytical Food Chemistry, Technische Universität München, Freising-Weihenstephan, Germany;
Vallat, Armelle Université de Neuchâtel, Institut de chimie, NPAC, Avenue de Bellevaux 51, 2000 Neuchâtel, Switzerland; and
Abou-Mansour, Eliane Plant Biology Department, University of Fribourg, Chemin du Musée 10, 1700 Fribourg, Switzerland
Fontaine, Florence SFR Condorcet, Université de Reims Champagne-Ardenne, URVVC EA 4707, Laboratoire Stress, Défenses et Reproduction des Plantes, BP 1039, 51687 Reims Cedex 2, France;

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Molecular Plant-Microbe Interactions®. - Scientific Societies. - 2017, vol. 30, no. 12, p. 946-959

English Esca disease is one of the major grapevine trunk diseases in Europe and the etiology is complex, since several inhabiting fungi are identified to be associated with this disease. Among the foliar symptom expressions, the apoplectic form may be distinguished and characterized by sudden dieback of shoots, leaf drop, and shriveling of grape clusters in a few days that can ultimately induce the plant death. To further understand this drastic event, we conducted transcriptomic and metabolomic analyses to characterize responses of leaves during the period preceding symptom appearance (20 and 7 days before foliar symptom expression) and at the day of apoplexy expression. Transcriptomic and metabolomic analyses provide signatures for the apoplectic leaves and most changes concerning the metabolism of carbohydrates, amino acids, and phenylpropanoids. In deciphering glutathione-S-transferase (GST), its preferential location in phloem, correlated with the upregulation of GST genes and a decrease of the glutathione level, offers further support to the putative role of glutathione during apoplexy expression.

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