中国寄生虫学与寄生虫病杂志 ›› 2003, Vol. 21 ›› Issue (1): 9-30.

• 论著 • 上一篇    下一篇

用DNA序列分析我国5种并殖吸虫的分类地位

崔爱利1,常正山1,陈名刚1,David Blair2,陈韶红1,张永年1,冯正1
  

  1. 1 中国疾病预防控制中心寄生虫病预防控制所,世界卫生组织疟疾、血吸虫病和丝虫病合作中心,卫生部寄生虫病学重点实验室,上海 200025 2 澳大利亚詹姆士库克大学
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2003-02-28 发布日期:2003-02-28

Taxonomic Status in DNA Sequences of Five Species of Genus Paragonimus

CUI Ai-li1,CHANG Zheng-shan1,CHEN Ming-gang1,David Blair2,CHEN Shao-hong1,ZHANG Yong-nian1,FENG Zheng1
  

  1. 1 Institute of Parasitic Disease;Chinese Center for Disease Control and Prevention*,Shanghai 200025 2 James Cook University of Australia
  • Received:1900-01-01 Revised:1900-01-01 Online:2003-02-28 Published:2003-02-28

摘要:   目的 采用分子生物学技术分析河口并殖吸虫、白水河并殖吸虫、勐腊并殖吸虫、曼谷并殖吸虫及象山并殖吸虫的分类地位。 方法 用明胶、乙基苯基聚乙二醇(NP40)、聚山梨酸200法抽提基因组DNA,用特异引物,PCR扩增ITS2和部分CO基因的目的基因。PCR扩增产物纯化后直接测序分析其同源性,构建种系发生树。 结果与结论 DNA序列分析结果表明,白水河并殖吸虫、勐腊并殖吸虫、曼谷并殖吸虫及象山并殖吸虫之间存在较小的差异。种系发生树可见,这4种并殖吸虫在并殖吸虫属中彼此比较接近,分类地位位于卫氏并殖吸虫与斯氏并殖吸虫之间。河口并殖吸虫与斯氏并殖吸虫在进化及亲缘关系上非常接近。

关键词: 并殖属, DNA序列, 分类学

Abstract:  Objective To analyze the taxonomic status of Paragonimus hokuoensis, P.paishuihoensis, P.menglaensis, P.bangkokensis and P.xiangshanensis in Genus Paragonimus Braun, 1899. Methods DNA sequences were obtained from the ITS2 and COⅠ genes and phylogenetic trees were built from these. Results There are some DNA sequence differences among P.paishuihoensis, P.menglaensis, P.bangkokensis and P.xiangshanensis, but the differences are small. P.hokuoensis and P.skrjabini are similar in DNA sequence. Conclusion P.paishuihoensis, P.menglaensis, P.bangkokensis and P.xiangshanensis are closer in the genetic relationship. Their taxonomic status lies between P.skrjabini and P.westermani. The genetic relationship between P.hokuoensis and P.skrjabini is very close.

Key words: Genus Paragonimus, DNA sequence, taxonomy