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一个烟草PR-1a启动子的克隆及序列分析
引用本文:马兵钢,牛建新,胡新文.一个烟草PR-1a启动子的克隆及序列分析[J].石河子大学学报,2003,7(4):263-266.
作者姓名:马兵钢  牛建新  胡新文
作者单位:[1]石河子大学农学院园艺系,新疆石河子832003 [2]热带作物生物技术国家重点实验室,海南海口571101
基金项目:国家科技攻关项目(2003BA546C)
摘    要:通过PCR扩增,从烟草Nicotiana tabacum cv Samsun中克隆了水杨酸诱导表达的病程相关蛋白PR-la基因的启动子TP12,以期用于构建诱导表达基因敲除系统,并用于无性繁殖植物的无标记基因转化。启动子的克隆产物经正反两向测序后,拼接分析结果表明,扩增得到的PR-1α基因启动子长1313个碱基,序列富含AT,其中A T占71.67%,与已报道的序列比较,核苷酸的相似性为98.6%。

关 键 词:PR-1a  启动子  克隆  烟草  序列分析
文章编号:1007-7383(2003)04-0263-04
修稿时间:2003年6月7日

Molecular Cloning and Sequence Analysis of the Promoter for an Pathogenesis-Related Protein-1a Gene from Tobacco
MA Bing-gang,NIU Jian-xin,HU Xin-wen.Molecular Cloning and Sequence Analysis of the Promoter for an Pathogenesis-Related Protein-1a Gene from Tobacco[J].Journal of Shihezi University(Natural Science),2003,7(4):263-266.
Authors:MA Bing-gang  NIU Jian-xin  HU Xin-wen
Abstract:The upstream regulatory region of an pathogenesis-related protein-1a gene was amplifyied from Nicotiana tabacum cv Samsun genomic DNA by polymerase chain reaction. After cloning into T vector pUCm-T,this fragment was sequenced. The results indicated that the cloned fragment contained 1313 nucleotides, and shared a sequence homology of 98.6% with that from Genbank accession number -X76982(PR1a-1533/N-3).
Keywords:pathogenesis-related protein-la  promoter  cloning  tobacco
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