Compositions and methods for the treatment of pathogenic infections in plants

Abstract

Disclosed herein are engineered antimicrobial peptides (e.g, HTH peptide or AAPs) and methods of using such peptides to treat pathogenic infections, such as HLB disease and X. fastidiosa, in plants, such as citrus plants and grape plants. The engineered antimicrobial peptides may be derived from amphipathic helical peptides. The engineered antimicrobial peptides disclosed herein may be formed by coupling two or more amphipathic helical peptides. An engineered antimicrobial peptide may include a first amphipathic helical peptide coupled with a second amphipathic helical peptide by a linker domain forming a helix-turn-helix scaffold formation. Such amphipathic helical peptides may be endogenous to a target host, such as a plant (e.g., a citrus plant or grape plant).

Dependencies are inferred from the claim text.