Armadillo repeat only gene VlARO confers resistance to Botrytis cinerea by promoting guaijaverin accumulation in grapevine

Songlin Zhou Xiaoli Zhang Xiangyu Zhou Guohong Wu Jiang-Chu Yu Yu-Dan Zhang Hong Lin Changyue Jiang Yinshan Guo

Aug 2026 · Plant Cell Reports · Vol 45 · 0 citations · 53 references

Medicine

TL;DR

This study identifies VlARO, a nuclear-localized gene from the highly resistant grapevine variety ‘Beta’, as a positive regulator of gray mold resistance and establishes the mechanism for VlARO in grapevine immunity by promoting guaijaverin accumulation.

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