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Endophytic Fungal strains Specifically Modified the Biochemical Status of Grape Cells
Li-Hua Huang,Ming-Zhi Yang,Xiu-Jin Ao,An-Yun Ren,Ming-Quan Yuan,Han-Bo Zhang 한국식물학회 2018 Journal of Plant Biology Vol.61 No.4
Previously, specific interactions in morphologywere observed between grape cells and endophytic fungalstrains during a dual culture experiment. However, thebiochemical impacts of these fungal endophytes on grapecells is also expected due to their potential application in grapequality management. After assessed multiple physiochemicaltraits to those grape cells which have co-cultured with differentendophytic fungal strains in this study, and found the presenceof fungal endophytes obviously triggered ROS stress responsesin grape cells, and the biochemical status in grape cells weredifferentially modified by different fungal strains. In thosetested endophytic fungal strains, RH37 (Epicoccum sp.),RH6 (Alternaria sp.), RH32 (Alternaria sp.) and RH34(Trichothecium sp.) conferred greater metabolic impacts ongrape cells. And soluble protein (SPr), total flavonoids (TF),total phenols (TPh) and malondialdehyde (MDA) on the otherhand, were sensitive biochemical parameters which can beinfluenced in greater ranges than other detected parameters. Most interestedly, fungal endophytes shaped metabolitespatterns in grape cells during the dual culture appeared fungalgenus/species/strain-specificity. The work confirmed thesignificance of fungal endophytes in grape metabolic regulationand elucidated the possibility to purposely manage grapequality using tool of fungal endophytes.