一些抗苏云金杆菌毒素的昆虫的抗性是和毒素结合钙粘蛋白的断裂相关。
Resistance to Bt toxins in some insects is linked with mutations that disrupt a toxin-binding cadherin protein.
突变体在毒素作用下，具有较强的防御酶活性，而细胞内膜系统破坏较小则是产生较强抗性的原因。
The mutant under the action of toxin has the ability to increase the defensive enzyme activity and to reduce the damage of cell membrane system that would result in resistance increasing.
近年来，关于溶细胞毒素分布、分类、杀虫机理、昆虫抗性等问题的研究已成为新的热点。
In these years, some problems about distribution, classification, mechanism and resistance of cytolytic toxin are becoming new hotspots.
这些防御酶系的变化可能是毒素离体筛选产生抗性变异体的生化机理之一。
The changes of those enzymes might be one of mechanisms for screening toxin resistant mutants.
为毒素液应用于抗病资源的快速筛选与鉴定、体细胞抗性突变体的筛选等研究提供了可靠的参考资料。
The possible application of toxic filtrates on the selection of resistant resources and resistant cell lines was also discussed.
培育抵抗性更强的农作物，更好地裂解霉菌毒素可能是一种解决方法。
Breeding more resistant crops, which are better equipped in breaking down the mycotoxins, can be a solution.
该重组体在大豆根上能结瘤，并且从根瘤中分离出的后代品系对盐、抗生素和毒素仍保持同样高的抗性。
The strains isolated from nodules of the recombinant grown on soybean root main-tain the same high tolerance to salt, antibiotics and toxin.
因此，以立枯丝核菌粗毒素处理水稻种子和幼苗可初步鉴定品种对纹枯病的抗性。
The inoculation tests showed that all isolates of R. solani and R. cerealis and their crude toxins had virulence on the plants of rice, maize and wheat.
因此，以立枯丝核菌粗毒素处理水稻种子和幼苗可初步鉴定品种对纹枯病的抗性。
The inoculation tests showed that all isolates of R. solani and R. cerealis and their crude toxins had virulence on the plants of rice, maize and wheat.
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