| 中国大陆日本血吸虫品系的研究：Ⅶ.五地隔离群的... |
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| 引用本文： | 何毅勋,李新武.中国大陆日本血吸虫品系的研究：Ⅶ.五地隔离群的...[J].中国寄生虫学与寄生虫病杂志,1992,10(1):1-4. |
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| 作者姓名： | 何毅勋 李新武 |
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| 摘 要： |
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| 关 键 词： | 日本血吸虫 遗传变异 |
Studies on the strain differences of Schistosoma japonicum in the mainland of China. VII. Genetic variation and differentiation of five isolates] |
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| Y X He,X W Li.Studies on the strain differences of Schistosoma japonicum in the mainland of China. VII. Genetic variation and differentiation of five isolates][J].Chinese Journal of Parasitology and Parasitic Diseases,1992,10(1):1-4. |
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| Authors: | Y X He X W Li |
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| Institution: | Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai. |
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| Abstract: | Electrophoretic techniques have been used to survey five different field-collected isolates (i.e., Anhui, Hubei, Guangxi, Sichuan and Yunnan) of S. japonicum from the mainland of China for genetic variation at 7 isozymes markers representing 9 loci. Polymorphic loci were observed for LDH-1, LDH-2, MDH and PGM, respectively, the proportion of polymorphic loci being 44.4%. Average heterozygosity varied between 0.223 and 0.425, with a mean of 0.332. Nei's genetic distance (D) among the populations of 5 isolates gave values between 0.001 and 0.039 with an average of 0.023, indicating that these isolates are very closely related. |
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