Coordinated immune, chloroplast and chemical defences underpin multilayered resistance to barley yellow dwarf virus and its aphid vector associated with the Hordeum bulbosum-derived Ryd4 introgression in barley
Amma L. Simon, Dasuni P. Jayaweera, Ilma A. Qonaah, Daniel Verburg, Faith Clarke, Dong‐Hyun Kim, Benjamin Urquhart, James P. E. Melichar, Tom Giles, Toby J. A. Bruce, Rumiana V. Ray
The paper identifies resistance mechanisms in barley against barley yellow dwarf virus and its aphid vector through a Ryd4 introgression, revealing coordinated immune, chloroplast, and chemical defenses.
bioRxiv · Jul 29, 2026 · PreprintSystems Biology