Oligosaccharides could bind to the receptor on plasma membrane,and excite the burst out of active oxygen species(AOS) in plat cell,increase intrcellular NO and H_(2)O_(2).

• 在植物的细胞膜上有寡糖的受体,寡糖诱导活性氧爆发、引起信号物质NO、H2O2的产生,寡糖激发抗性相关基因的表达。