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The induction of yolk protein synthesis in the fat body of an insect, Leucophaea maderae, by an analog of the juvenile hormone☆
[摘要] Duringthetimethateggsaredeveloping,thefatbodyfromfemaleLeucophaeamaderaesynthesizesaproteinwithcharacteristicssimilartoasubunitofthemajoryolkprotein.Synthesisdoesnotoccurorismuchreducedinfatbodiesfrommales,nymphs,andabdomensamputatedfromadultfemalesbeforetheonsetofeggdevelopment.Topicalapplicationofananalogofthejuvenilehormoneinitiatesthedevelopmentofeggsinisolatedabdomens.Fortyhoursafterhormonaltreatmentandpriortoanobviouschangeintheeggs,labeledleucineisincorporatedintoafractionthatcanbeisolatedfromthefatbodytogetherwithaddedyolkprotein.Thisfractionexhibitsthesamesedimentationcharacteristicsasthesubunitoftheyolkproteinduringdensitygradientcentrifugation.
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[效力级别]  [学科分类] 生物科学(综合)
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