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.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学(综合)
[关键词] [时效性]