Cross-resistance of pink bollworm (Pectinophora gossypiella) to Bacillus thuringiensis toxins

被引：60
|
作者：
Tabashnik, BE
Liu, YB
de Maagd, RA
Dennehy, TJ
机构：
[1] Univ Arizona, Dept Entomol, Tucson, AZ 85721 USA
[2] Plant Res Int, Business Unit Cell Cybernet, NL-6700 AA Wageningen, Netherlands
来源：
APPLIED AND ENVIRONMENTAL MICROBIOLOGY | 2000年 / 66卷 / 10期
关键词：
D O I：
10.1128/AEM.66.10.4582-4584.2000
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：
Two strains of pink bollworm (Pectinophora gossypiella) selected in the laboratory for resistance to Bacillus thuringiensis toxin Cry1Ac had substantial cross-resistance to Cry1Aa and Cry1Ab but not to Cry1Bb, Cry1Ca, Cry1Da, Cry1Ea, Cry1Ja, Cry2Aa, Cry9Ca, H04, or H205. The narrow spectrum of resistance and the cross-resistance to activated toxin Cry1Ab suggest that reduced binding of toxin to midgut target sites could be an important mechanism of resistance.
引用
收藏
页码：4582 / 4584
页数：3
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