進化した蛾類昆虫が生産するエポキシアルケニル性フェロモンの生合成とその制御機構(<特集>農薬活性分子の作用機構研究に関する最近の進歩)

  • Ando Tetsu
    Graduate School of Bio-Applications and Systems Engineering (BASE), Tokyo University of Agriculture and Technology
  • Kawai Takeshi
    Graduate School of Bio-Applications and Systems Engineering (BASE), Tokyo University of Agriculture and Technology
  • Matsuoka Kanae
    Graduate School of Bio-Applications and Systems Engineering (BASE), Tokyo University of Agriculture and Technology

書誌事項

タイトル別名
  • Epoxyalkenyl sex pheromones produced by female moths in highly evolved groups: biosynthesis and its endocrine regulation

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抄録

Polyunsaturated hydrocarbons with a C17-C23 straight chain and the epoxy derivatives constitute a second major class of lepidopteran sex pheromones and are referred to as Type II pheromones. While regionspecific epoxidation proceeds in a pheromone gland, the hydrocarbons are biosynthesized from dietary polyunsaturated fatty acids outside the pheromone gland and transported into the gland after association with lipophorin. In vivo as well as in vitro experiments using Japanese giant looper (Ascotis selenaria cretacea, Geometridae) demonstrated that pheromone biosynthesis-activating neuropeptide (PBAN) accelerated precursor uptake by the gland but not the biosynthetic step, which was contrast with the biosynthesis of Type I pheromones. The neuropeptide of A. s. cretacea, Assc-PBAN, was characterized to clarify its mode of unique action.

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