Ecdysterone induces the transcription of four heat-shock genes in Drosophila S3 cells and imaginal discs☆
[摘要] Ecdysteronestimulatesa2-to15-foldincreaseinthesynthesisoffoursmallheat-shockproteins(hsp)inDrosophilalineS3cells.Thisisaccompaniedbyarapidandcoincidentincreaseintheabundanceofsmallhsptranscripts.Aparallelinvivosituationisnowdescribedinimaginaldiscsisolatedfrompupariatinglarvae.Inneithersystemarethehigh-molecular-weightheat-shockproteins,ortheirRNAs,inducedbyhormone.Nordoesinductionoccurinvariantcelllineswhichhaveacquiredresistancetoecdysterone.Othergeneswithinorcontiguoustothesmallhspclusterarenotinducedbyeitherecdysteroneorhightemperature.Inductionbyecdysteroneappearstobeaprimaryhormoneresponse.
[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]
