Article
Presence of Diverse Resistance Mechanisms in Grapevine Accessions Derived from Pierce's Disease U0505 Line.
Phytopathology - 1 Mar 2026
Huerta-Acosta Karla Gabriela, Sagawa Cintia H D, Fanton Ana Clara, Walker M Andrew, Dandekar Abhaya M
Abstract excerpt
Xylella fastidiosa (Xf) is the etiological agent of Pierce's disease (PD), a major threat to viticulture worldwide. The Xf prtA- mutant, characterized by its planktonic phenotype and absence of biofilm formation, has been previously labeled as hypervirulent due to its aggressive symptomatology in the PD-susceptible Vitis vinifera 'Thompson Seedless'. This study challenges the hypervirulent concept by...
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