期刊
APPLIED AND ENVIRONMENTAL MICROBIOLOGY
卷 66, 期 10, 页码 4582-4584出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/AEM.66.10.4582-4584.2000
关键词
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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.
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