中国寄生虫学与寄生虫病杂志 ›› 1999, Vol. 17 ›› Issue (3): 3-139.

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福建棘隙吸虫与相关虫种随机引物扩增多态DNA分析及感染实验观察

程由註 1,张耀娟2,林陈鑫1,章子豪2,俞小淙2,林金祥 1 ,蔡明阶 3 ,车卫红3
  

  1. 福建省寄生虫病研究所福州!350001;南京医科大学寄生虫学数研室南京!210029;湖北省汉川市卫生防疫站!汉川432300;湖北省汉川市卫生防疫站 汉川 432300
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1999-06-30 发布日期:1999-06-30

TAXONOMIC STUDIES ON ECHINOCHASMUS FUJIENENSIS AND ITS RELATED SPECIES BY RANDOM AMPLIFIED POLYMORPHIC DNA ANALYSIS AND EXPERIMENTAL INFECTION

CHENG Youzhu 1 ZHANG Yaojuan 2 LIN Chenxin 1 ZHAN Zihao 2 YU Xiaozhong 2 LIN Jinxiang 1 CAI Mingjie 3 CHE Weihong 3   

  1. 1 Fujian Provincial Institute of Parasitic Discases, Fuzhou 3500012 Department of Parasitology,Nanjing Medical University,Nanjing 2100293 Sanitary and Anti-epidemic Station of Hanchuan City , Hubei Province, H anchuan 432300
  • Received:1900-01-01 Revised:1900-01-01 Online:1999-06-30 Published:1999-06-30

摘要:   目的:探讨福建棘隙吸虫与相关虫种分类问题。方法:应用 28 个随机引物扩增多态性 D N A,根据福建棘隙吸虫、藐小棘隙吸虫(安徽)与日本棘隙吸虫(福建和江西)作相似性分析;现场采检叶形棘隙吸虫(湖北)、藐小棘隙吸虫(安徽)和福建棘隙吸虫囊蚴进行人工感染实验及形态观察。结果:分析福建、安徽与江西省 3 种棘隙吸虫的 469 个多态 D N A 片段,福建棘隙吸虫与日本棘隙吸虫福建株、日本棘隙吸虫江西株与福建株、福建棘隙吸虫与安徽的藐小棘隙吸虫间基因组 D N A 的 R A P D 相似率分别为 20.8% 、99.7% 及 97.6% 。湖北、安徽和福建 3 省均分别获得叶形棘隙吸虫、福建棘隙吸虫及日本棘隙吸虫 3 种棘隙吸虫。结论:福建棘隙吸虫与日本棘隙吸虫为两个独立虫种,安徽的藐小棘隙吸虫与福建棘隙吸虫为同一虫种。湖北、安徽与福建 3 省均存在叶形棘隙吸虫、福建棘隙吸虫和日本棘隙吸虫 3 种吸虫的混合感染,其中福建棘隙吸虫较为常见

关键词: 棘隙吸虫, 随机扩增多态DNA, 感染实验, 虫种

Abstract:  AIM:To explore the identification and differentiation of Echinochasmus fujianensis,Echinochasmus japonicus(Jiangxi strain and Fujian strain), Echinochasmus liliputanus Anhui and Echinochasmus perfoliatus Hubei.METHODS:Random amplified polymorphic DNA analysis (RAPD) and experimental animal infection were performed.RESULTS:469 polymorphic DNA fragments were obtained by 28 primers from 4 Echinochasmus species and strains in Fujian,Anhui and Jiangxi.20.8% and 97.6% of the fragments in Echinochasmus fujianensis were the same as those in Echinochasmus japonicus Fujian strain and in Echinochasmus liliputanus Anhui, respectively,99.7% of the fragments were the same between Echinochasmus japonicus Jiangxi strain and Fujian strain. CONCLUSION: Echinochasmus fujianensis and Echinochasmus liliputanus Anhui are the same species.Echinochasmus fujienensis is an independent species different from Echinochasmus japonicus.Polyinfection of Echinochasmus fujianensis,Echinochasmus japonicus and Echinochasmus perfoliatus exist in all the 3 provinces,Hubei,Anbui and Fujian,of which Echinochasmus fujienensis is a dominant species.

Key words: Echinochasmus fujianensis, random amplified polymorphic DNA, experimental infections, species