中国寄生虫学与寄生虫病杂志 ›› 1994, Vol. 12 ›› Issue (1): 23-26.

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恶性疟原虫FCC1/HN株特异基因片段的克隆及部分序列分析

于洋,何建文,郑兆鑫,管惟滨,周元昌,蔡龙荣,叶芳耘,辛宏   

  1. 第二军医大学长海医院实验诊断科; 复旦大学遗传所; 第二军医大学寄生虫学教研室
  • 出版日期:1994-02-28 发布日期:2017-01-06
  • 基金资助:
    国家自然科学基金

CLONING AND SEQUENCING OF A DNA FRAGMENT FROM PLASMODIUM FALCIPARUM FCC1/HN ISOLATE

  • Online:1994-02-28 Published:2017-01-06

摘要: 本研究通过分离、培养恶性疟原虫FCC1/HN分离株,提取、纯化其基因组DNA,用BamH1部分酶切,并克隆pUC18载体,转化受体菌株大肠杆菌JM103,用基因组DNA探针筛选转化子,对杂交信号最强的克隆片段pHF1作部分序列分析,在国内首次明确恶性疟原虫FCC1/HN特异DNA部分序列。pHF1克隆片段约1.2kb,两端分别测定了328和271个碱基。G+C含量为26.8%,并有较多的酶切位点,便于作亚克隆,该序列还可用作DNA探针或PCR扩增模板有较大实用价值。

关键词: DNA序列分析, 恶性疟原虫, 克隆DNA

Abstract: A specific DNA fragment isolated from Plasmodium falciparum FCC1/HN isolate has been cloned in Bam H1 site of pUC18 and first partially sequenced by Sangers method.The results show∶G+C percent of DNA sequence is 26.8%,and the cloned DNA has many restriciton sites which are conventional for subcloning.The authors suggest that this clone and sequence may be used as a guide for developing a DNA probe or PCR primers.

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