Overexpression of Anthocyanidin Reductase Increases Flavonoids Content to Combat Fusarium Wilt in the Root Xylem of Vernicia montana.

ABSTRACT: Tung wilt disease, caused by Fusarium oxysporum f. sp. fordiis (Fof-1), poses a serious threat to tung oil tree (Vernicia fordii) production. Fortunately, another native Vernicia species in China, V. montana (woody tung oil tree) exhibits high resistance ability to the pathogen. The resistant and susceptible tung trees provide material for the investigation on the mechanism underlying the resistance to Fusarium wilt disease. Root xylem extracts of resistant V. montana significantly inhibited Fof-1 growth compared with that of susceptible V. fordii. Metabolomic analysis of V. montana root xylem revealed that 13 types of flavonoids increased after Fof-1 infection. Of the 13 flavonoids, antimicrobial assays showed that catechin, (-)-epicatechin and (-)-epigallocatechin exhibited an obvious in

SUBMITTER: Wang J 

PROVIDER: S-EPMC12789190 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature