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第50卷第11期2019年11月东北农业大学学报JournalofNortheastAgriculturalUniversity50(11:53~60November2019网络出版时间2019-11-2616:05:39[URL]http://kns.cnki.net/kcms/detail/23.1391.S.20191126.1605.008.htmlCiF3H基因克隆及功能分析杨飞芸1,2,白洁1,杨天瑞1,王瑞刚1*(1.内蒙古农业大学生命科学学院内蒙古自治区植物逆境生理与分子生物学重点实验室,呼和浩特2.内蒙古农业大学食品科学与工程学院,呼和浩特010018)010011;摘要:黄烷酮-3-羟化酶(F3H)是类黄酮合成途径的中枢位点,调控代谢途径中黄酮醇和花青素合成。文章根据转录组数据库中F3H基因中间片段设计特异引物,以中间锦鸡儿cDNA为模板,克隆得到CiF3H基因全长,通过序列分析、系统进化分析加以确认。qRT-PCR检测分析发现,中间锦鸡儿CiF3H基因受紫外、NaCl和ABA等胁迫诱导时表达模式具有相同规律。CiF3H基因在叶和根中表达量相当,茎中较少。异源表达CiF3H基因拟南芥的总黄酮含量少量增加,花青素含量降低。关键词:黄烷酮-3-羟化酶(F3H);中间锦鸡儿;总黄酮含量;花青素含量;转基因拟南芥中图分类号:Q71文献标志码:A文章编号:1005-9369(2019)11-0053-08杨飞芸,白洁,杨天瑞,等.CiF3H基因克隆及功能分析[J].东北农业大学学报,2019,50(11:53-60.DOI:10.19720/j.cnki.issn.1005-9369.2019.11.0007YangFeiyun,BaiJie,YangTianrui,etal.CloningandfunctionanalysisofCiF3Hgene[J].JournalofNortheastAgriculturalUniversity,2019,50(11:53-60.(inChinesewithEnglishabstractDOI:10.19720/j.cnki.issn.1005-9369.2019.11.0007CloningandfunctionanalysisofCiF3Hgene/YANGFeiyun1,2,BAIJie1,YANGTianrui1,WANGRuigang1(1.SchoolofLifeSciences,InnerMongoliaAgriculturalUniversity;InnerMongoliaKeyLaboratoryofPlantStressPhysiologyandMolecularBiology,Hohhot010011,China;2.SchoolofFoodScienceandEngineering,InnerMongoliaAgriculturalUniversity,Hohhot010018,ChinaAbstract:Flavanone-3-hydroxyase(F3Histheessentialsiteinflavonoidsbiosynthesispathway,whichregulatesthesynthesisofflavonolsandanthocyaninsinthewholemetabolicpathway.Inthisstudy,specificprimersweredesignedaccordingtotheintermediatefragmentofF3Hgeneinthetrans-criptomedatabase,andthefulllengthofCiF3HgenesequencewasclonedusingCaraganaintermediacDNA