CROSS-RESISTANCE TO BACILLUS-THURINGIENSIS TOXIN CRYIF IN THE DIAMONDBACK MOTH (PLUTELLA-XYLOSTELLA)

被引:61
|
作者
TABASHNIK, BE [1 ]
FINSON, N [1 ]
JOHNSON, MW [1 ]
HECKEL, DG [1 ]
机构
[1] CLEMSON UNIV,DEPT BIOL SCI,CLEMSON,SC 29634
关键词
D O I
10.1128/AEM.60.12.4627-4629.1994
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Selection with Bacillus thuringiensis subsp. kurstaki, which contains CryIA and CryII toxins, caused a >200-fold cross-resistance to CryIF toxin from B. thuringiensis subsp. aizawai in the diamondback moth, Plutella xylostella. CryIE was not toxic, but CryIB was highly toxic to both selected and unselected larvae. The results show that extremely high levels of cross-resistance can be conferred across classes of CryI toxins of B. thuringiensis.
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页码:4627 / 4629
页数:3
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