Imidacloprid resistance of melon thrips, Thrips palmi, is conferred by CYP450-mediated detoxification

Wen Xue Bao, Yoko Kataoka, Kumiko Fukada, Shoji Sonoda

    Research output: Contribution to journalComment/debatepeer-review

    12 Citations (Scopus)

    Abstract

    The nicotinic acetylcholine receptor β1 subunit gene of the most imidacloprid- susceptible (OK) strain and the most imidacloprid-resistant (TS7) strain of Thrips palmi encoded a susceptible amino acid, Arg, at amino acid position 81. The OK and TS7 strains showed LC50 values of 9.4 mg/L and 115.0 mg/L, respectively. The synergist, piperonyl butoxide, decreased the resistance ratio to one-third in the TS7 strain. These results suggest that the imidacloprid resistance in T. palmi is conferred mainly by cytochrome P450-mediated detoxification.

    Original languageEnglish
    Pages (from-to)65-68
    Number of pages4
    JournalJournal of Pesticide Science
    Volume40
    Issue number2
    DOIs
    Publication statusPublished - 2015

    Keywords

    • Cytochrome P450
    • Insecticide resistance
    • Target insensitivity
    • Thysanoptera
    • nAChR β1 subunit

    ASJC Scopus subject areas

    • Insect Science
    • Health, Toxicology and Mutagenesis

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