Arginine activates a conserved sphingolipid defense axis against infection
Shuncai Han, Mengge Li, Geoff M. Gurr, Liette Vasseur, Minsheng You, Xiaofeng Xia
This study shows arginine activates a conserved sphingolipid pathway in insects, promoting antibacterial effects through ceramide accumulation, independent of classical immune responses.
bioRxiv · Nov 4, 2026 · PreprintImmunology