Abstract
Pathogen-carrying seeds can significantly impact plant growth and development and may lead to serious public health incidents. Modern agriculture heavily relies on synthetic chemical microbicides and physical methods to eradicate pathogens transmitted by plant seeds. To counteract the misuse of microbicides, a class of cationic amphiphilic aggregate-induced emission luminogens (AIEgens) are developed as photodynamic seed sterilization agents. AIEgens function as antimicrobial agents in seed treatment. These materials are engineered to specifically bind to pathogenic microorganisms on seed surfaces. Furthermore, when combined with photodynamic therapy, AIEgens can be activated to produce reactive oxygen species that selectively destroy pathogens. Sterilization experiments with tomato seeds carrying Pseudomonas syringae and mung bean seeds carrying Pseudomonas aeruginosa demonstrate that AIEgens can effectively eliminate both plant and animal pathogens carried by seeds. Therefore, AIEgens offer a promising solution for preventing the spread of seed-borne pathogens.
Published Version
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