Patterns of pigmentation color states regulated by the y locus in Drosophila melanogaster☆
[摘要] Ethylmethanesulfonatewasusedtoinduceanewclassofheat-sensitiveyellow(y:1-0.0)alleles.Asinglecold-sensitiveallelewasdiscoveredamongthepreviouslyexistingymutants.Ananalysisofbothtemperature-andnontemperature-sensitivemutantshasshownthatyisacomplexpatternforminggene.Althoughtheygenenormallyfunctionsineverycelloftheadultcuticle,itisexpressedindependentlyineachdifferentcuticlestructure.Theneedforthispatternofexpressionisrevealedbythefindingthatytemperaturesensitivityoccursatdifferenttimesineachcuticleformingcelltype.Thisobservationsuggeststhattheygenefunctionsatdifferenttimesinthecellswhichformthevariousstructuresofthecuticleandthereforemustbecontrolledindependentlyineachcelltype.
[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]
