感受性および抵抗性昆虫のホスフィン取込み量の差異

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  • 中北 宏
    Stored-Product Entomology Laboratory, National Food Research Institute
  • 黒田 淳子
    Stored-Product Entomology Laboratory, National Food Research Institute

書誌事項

タイトル別名
  • Differences in Phosphine Uptake between Susceptible and Resistant Strains of Insects
  • 感受性および抵抗性昆虫のホスフィン取込み量の差異〔英文〕
  • カンジュセイ オヨビ テイコウセイ コンチュウ ノ ホスフィン トリコミリョ

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説明

In aerobic condition, a phosphine-susceptible strain of the rust red flour beetle, Tribolium castaneum, at the larval, pupal and adult stages, absorbed more phosphine than a resistant strain, although no phosphine uptake was observed in both strains in anaerobic condition. And both strains showed same uptake of phosphine in the tissues of the homogenized insects in glycine buffer. The supernatant fraction at 100, 000×g contained a main factor responsible for the intake of phosphine. The activity of this factor was promoted by the presence of molecular oxygen and was stable at pH 5-9 and temperatures up to 50°C. The results led to a scheme for the insect's resistance mechanism to phosphine.

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