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Antigenic and electrophoretic variants of vitellogenin in Oncopeltus blood and their control by juvenile hormone
[摘要] Antigenicanalysisofadultfemale-specificbloodandyolkproteinsinOncopeltusdemonstratedanincompletevitellogenin(A),whichappearsinthebloodpriortoyolkdepositionandislatermodifiedorjoinedbyanantigenicallycompletemolecule(AB).VitellogeninABisantigenicallyindistinguishablefromthemajoryolkproteinofmatureeggs,thoughtheelectrophoreticmobilitiesofthetwodifferin6%acrylamidegels.VitellogeninAaloneappearsinthebloodofadultfemalesinwhichthecorporaallataareknowntobeinactive,i.e.,duringstarvationorphotoperiodicallyinduceddiapause.Stimulationofthesefemaleswithajuvenilehormoneanalogrestoresyolkdeposition,andalsoinducestheappearanceofABintheblood.Whilejuvenilehormoneisneededfortheterminationofdiapauseandthematurationofvitellogenininthisspecies,diapausebeginswiththevitellogenin-producingmechanismalreadypartiallyassembled.
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[效力级别]  [学科分类] 生物科学(综合)
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