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1、棉花學(xué)報(bào)CoRonScience2012,24(2):106-113棉花纖維素生物合成相關(guān)蛋白的抗體制備范建’,劉緒,范春芬,黃江鋒,羅兵,彭良才,夏濤(1.華中農(nóng)業(yè)大學(xué)作物遺傳改良國(guó)家重點(diǎn)實(shí)驗(yàn)室/生物質(zhì)與生物能源研究中心/植物科學(xué)技術(shù)學(xué)院/生命科學(xué)技術(shù)學(xué)院武漢430070;2.常熟理S-學(xué)院,江蘇常熟215500)摘要:棉花纖維細(xì)胞生長(zhǎng)過(guò)程中,有多種蛋白質(zhì)參與纖維素的合成,為了深入研究這些蛋白質(zhì)的功能,制備它們的抗體具有重要意義。本研究分別用化學(xué)合成多肽和原核表達(dá)蛋白制備的可溶性蛋白、可復(fù)性包涵體以及包涵體顆粒作為抗原,制備了棉花纖維素合酶CESA1、CESA2和SUS
2、Y1、p—l,4-glucanase、p-1,3一glucanase和Callosesynthase的抗體。結(jié)果表明,化學(xué)合成多肽和原核表達(dá)蛋白均可用于抗體制各,制得的抗體可用于棉花纖維素合成相關(guān)蛋白的檢測(cè)。關(guān)鍵詞:棉花;纖維素合酶;抗體中圖分類號(hào):$562.035.3文獻(xiàn)標(biāo)志碼:A文章編號(hào):1002—7807(2012)02—0106-08AntibodyPreparationofProteinslnvolvedinCelluloseBiosynthesisinCottonFibersFANJian,LrUXu,F(xiàn)ANChun—fen,HUANGJiang-feng,L
3、UOBing,PENGLiang-cai,XIATao(1.NationalKeyLaboratoryofCropGeneticImprovementandNationalCentreofPlantGeneResearch/BiomassandBioener-gYResearchCentreCollegeofPlantScienceandTechnologyfCollegeofLifeScienceandTechnology,HuazhongAgricultur-alUniversity,Wuhan430070,China;2.CollegeofBiologyandFoo
4、dEngineering,ChangshuInstituteofTechnology,Changshu215500,China)Abstract:Co~onfibersaresingle—celledseedsalmostentirelyconstructedofcellulose,thusservingasmodelplantsforcellulosesynthesis.PreviousresearchhasreportedthatCESA1,CESA2,CESA3,SUSY1,p-1,4一glucanase,p-1,3-glucanase,callosesyn—tha
5、seandotherproteinshaveveryimportantfunctionsduringcellulosesynthesis.Inordertovalidatethemechanismsbywhichtheseproteinsact,antibodypreparationisnecessary.HerewepreparedtheCESA2andCESA3antigensbychemicalsynthesis,andtheotherantigensbyprokaryoticexpression.TheCESA1antigenisasoluterecombinan
6、tprotein;theSUSY1antigenisarecombinantandrefoldedinclusionbody;3-1,4-glucanase,B一1,3-glucanase,andcallosesynthaseantigensarefoldinclusionbodies.AlltheantibodiesweredetectedbyWesternblotting,andtheresultssuggestthatalltheantibodies,withtheexceptionofCESA3.canbeusedtocheckthetargetprotein.T
7、hisstudyfindsthattheinclusionbodiescanbedirectlyusedastheantigenforantibodypreparation.Keywords:coaon;cellulosesynthase;antibody植物纖維素是由原生質(zhì)膜上纖維素合酶復(fù)UDP.G是纖維素合成的底物,SUSY的主要功能合體合成的,復(fù)合體以多種纖維素合酶(Cellulose是將蔗糖轉(zhuǎn)化成UDP—G,用于纖維素合成}2_。B.1,synthase,CES)為核心,結(jié)合其它各種纖維素合成4一葡聚糖酶(B.1,4-