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首页> 外文期刊>Developmental biology >Partner specificity is essential for proper function of the SIX-type homeodomain proteins Sine oculis and Optix during fly eye development
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Partner specificity is essential for proper function of the SIX-type homeodomain proteins Sine oculis and Optix during fly eye development

机译:伙伴特异性对于蝇眼发育过程中SIX型同源域蛋白Sine oculis和Optix的正常功能至关重要

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摘要

ThedevelopmentoftheemDrosophila/emvisualsystemutilizestwomembersofthehighlyconservedSix-Homeoboxfamilyoftranscriptionfactor,SineoculisandOptix.AlthoughinvitrostudieshavedetecteddifferencesinDNA-bindingandinteractionswithsomeco-factors,questionsremainastowhatextenttheactivityforthesetwotranscriptionalregulatorsisredundantorspecificinvivo.Inthiswork,weshowthattheSosupD/supmutationwithintheSixdomaindoesnotabolishDNAndash;proteininteractions,butaltersco-factorbindingspecificitytoresemblethatofOptix.AmutationinthesameregionofOptixaltersitsactivityinvivo.WeproposethatthedominantmutantphenotypeisprimarilyduetoanalterationinbindingpropertiesoftheSineoculisproteinandthatdistinctpartnerinteractionsisoneimportantmechanismindeterminingsignificantfunctionaldifferencesbetweenthesehighlyconservedfactorsduringeyedevelopment./p/div
机译:Thedevelopmentofthe 果蝇 visualsystemutilizestwomembersofthehighlyconservedSix-Homeoboxfamilyoftranscriptionfactor,SineoculisandOptix.AlthoughinvitrostudieshavedetecteddifferencesinDNA-bindingandinteractionswithsomeco因子,questionsremainastowhatextenttheactivityforthesetwotranscriptionalregulatorsisredundantorspecificinvivo.Inthiswork,weshowthattheSo d mutationwithintheSixdomaindoesnotabolishDNAndash; proteininteractions,butaltersco-factorbindingspecificitytoresemblethatofOptix.AmutationinthesameregionofOptixaltersitsactivityinvivo.WeproposethatthedominantmutantphenotypeisprimarilyduetoanalterationinbindingpropertiesoftheSineoculisproteinandthatdistinctpartnerinteractionsisoneimportantmechanismindeterminingsignificantfunctionaldifferencesbetweenthesehighlyconservedfactorsduringeyedevelopment

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