Cross-Resistance to Bacillus thuringiensis Toxin CryIF in the Diamondback Moth ( Plutella xylostella )
- 1 December 1994
- journal article
- research article
- Published by American Society for Microbiology in Applied and Environmental Microbiology
- Vol. 60 (12) , 4627-4629
- https://doi.org/10.1128/aem.60.12.4627-4629.1994
Abstract
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.Keywords
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