MECHANISM OF INSECT RESISTANCE TO THE MICROBIAL INSECTICIDE BACILLUS-THURINGIENSIS

被引:315
作者
VANRIE, J
MCGAUGHEY, WH
JOHNSON, DE
BARNETT, BD
VANMELLAERT, H
机构
[1] STATE UNIV GHENT, AGROZOOL LAB, B-9000 GHENT, BELGIUM
[2] USDA ARS, N CENT REG, US GRAIN MKT RES LAB, MANHATTAN, KS 66502 USA
关键词
D O I
10.1126/science.2294593
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Receptor binding studies show that resistance of a laboratory-selected Plodia interpunctella strain to a Bacillus thuringiensis insecticidal crystal protein (ICP) is correlated with a 50-fold reduction in affinity of the membrane receptor for this protein. The strain is sensitive to a second type of ICP that apparently recognizes a different receptor. Understanding the mechanism of resistance will provide strategies to prevent or delay resistance and hence prolong the usefulness of B. thuringiensis ICPs as environmentally safe insecticides.
引用
收藏
页码:72 / 74
页数:3
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