Both CB and HMC toxin, a host-specific toxin from Bipolaris (Helminthosporium) maydis race C, could destroy the MFs distribution and had obvious quantity-effects relations.

• 来自玉米小斑病菌C小种的致病毒素对微丝网络也有专化破坏作用，并且它们对微丝的破坏作用随着浓度的增大而加强。