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时间:2020-05-14
《甘蔗宿根矮化病菌多克隆抗体制备及初步检测.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、l34广东农业科学2012年第1O期甘蔗宿根矮化病菌多克隆抗体制备及初步检测陈健文,杨湛端,刘睿,沈万宽,齐永文,何方洋,万宇平,余厚关,徐苑娴,邓海华(1.广州甘蔗糖业研究所/广东省甘蔗改良与生物炼制重点实验室,广东广卅I510316:2.北京望尔生物技术有限公司.北京102206)摘要:以纯化培养的甘蔗宿根矮化病(RSD)病菌作为抗原,免疫健康家兔,制备了RSD多克隆抗体。采用间接酶联免疫吸附试验检测其效价,并通过斑点酶标免疫法(Dotblotenzymeimmunoassays,DB—EIA)确定其工作浓度,同时与澳大利亚的抗体比较。结果表
2、明,制备的RSD多克隆抗体效价大于1:10000,在用DB—EIA法检测样本时的工作浓度以稀释10倍较好;与澳大利亚抗体的检测结果一致,但在印迹着色方面比澳大利亚的浅一些。试验结果表明,自制RSD抗体的效价略低于澳大利亚RSD抗体.但检测效果较好,可以满足今后在甘蔗生产上对RSD的检测要求。关键词:甘蔗宿根矮化病菌:多克隆抗体;制备中图分类号:Q一331文献标识码:A文章编号:1004—874X(2012)10—0134~03Preparationandpreliminarydetectionofpolyclonalantibodyagainst
3、thecausalagentofsugarcaneratoonstuntingdiseaseCHENJian-wen,YANGZhan-duan,LIURui,SHENWan—kuan,QIYong-wen,HEFang—yang,WANYu-ping,YUHou—mei,XUYuan-xian,DENGHai—huaf1.GuangdongKeyLabofSugarcaneImprovement&Biorefinery,GuangzhouSugarcaneIndustryResearchInstituteGuangzhou510316,Chin
4、a;2.BeijingWangerBiotechnologyCo.Ltd,Beijing102206,China)Abstract:Inthepresentstudy,thecausalbacteriumofsugarcaneratoonstuntingdiseasewasisolated,purifiedandextensivelycultured,andthenusingasantigen,thepolyclonalantibodyspecificfortheRSDbacteriumwasproducedbyimmunizingtheheal
5、thyrabbitsinseveraltimes.Thetiterofthepolycfonalantibodywasdetectedusingindirectenzyme-linkedimmunoadsordentassay(ELISA),andtheworkingdilutionproportionwasconfirmedbydotblotenzymeimmunoassays(DB—EIA).Inaddition,thedetectioneffectofthisantibodywascomparedwiththatfromAustralia.
6、Theresultsshowedthatthetiterofthepolyclonalantibodyobtainedwasabove1:】0000.andthebestworkingdilutionproportionwas10folds.Moreover,theresultofthedetectionoffoursampleswasconsistentwiththeRSDantibodyfromAustralia,exceptthattheblottingcolorwasalittlelighter.Tosumup,thetiterofthe
7、RSDpolyclonalantibodypreparedinourstudywasalittlelowerthanthatoftheRSDpolyclonalantibodyfromAustralia,butwithsensitivedetectioneffect,andcouldbewellusedforthedetectionofRSDinthesugarcaneindustryinthefuture.Keywords:sugarcaneratoonstuntingdisease(RSD);polyclonalantibody;prepar
8、ation甘蔗宿根矮化病(Ratoonstuntingdisease,RSD)是甘由于该病的病原菌难分离培养,使RSD诊断很困蔗生产上最
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