摘要
目的在于从形态学角度研究我国五省(广东、福建、云南、湖北、四川)斯氏并殖吸虫各群体之间的种内差异以及四川并殖吸虫独立性问题。并比较宫崎、泡囊并殖吸虫与斯氏并殖吸虫在形态学方面的种间差异。应用光镜方法分别观察五省斯氏并殖吸虫成虫染色标本的主要形态特征并对表型观察指标(成虫长宽比例、睾丸长度与体长比例、口腹吸盘比例)进行统计学分析。从形态学方面观察结果来看,五省斯氏并殖吸虫群体之间存在的差异较小,其中四川并殖吸虫与斯氏并殖吸虫之间存在的差异也不大。泡囊并殖吸虫在形态学方面与斯氏并殖吸虫各地域株也较为相似。日本的宫崎并殖吸虫在形态学方面与斯氏并殖吸虫福建地域株最为接近。结论,其一综合以上形态学的研究结果,广东、福建、云南、湖北和四川五省斯氏并殖吸虫群体可能均属斯氏并殖吸虫同一虫种,由于受地理因素影响,种内可能存在着不同的地域株。四川并殖吸虫与斯氏并殖吸虫可能系同种异名。其二泡囊并殖吸虫与日本的宫崎并殖吸虫很可能也是斯氏并殖吸虫的同种异名。为进一步明确五省斯氏并殖吸虫群体及泡囊并殖吸虫与日本的宫崎并殖吸虫的分类地位尚需结合分子生物学的研究进行综合分析。
Objective:morphological approaches were used to study differences among Paragonimus skrjabini populations from five provinces (Guangdong, Fujian, Yunnan, Hubei, Sichuan) and Paragonimus szechuanensis. The taxonomic status of P.miyazakii and P.veocularis in genus Paragonimus Braun, 1899 was also analyzed. Methods:The microscopic morphology of adult specimens of P.skrjabini from populations in five provinces was examined.Results:There are some morphological differences among P.skrjabini populations from five provinces, but the differences are small. P.veocularis and P.Skrjabini are similar in adult morphology. There are also some resemblances between P.miyazakii from Japan and Fujian strains of P.skrjabini.Conclusion:1. All studied populations may be regarded as different strains of P.skrjabini and P.szechuanensis is not a separate species, but may be a geographical strain of P.skrjabini. 2. Also found was that P.veocularis and P.miyazakii may be the synonyms of P.Skrjabini.
出处
《中国兽医寄生虫病》
2003年第1期4-7,F003,共5页
Chinese Journal of Veterinary Parasitology
基金
美国国立卫生院(NIH
USA)资助项目(No.IP50AI39461)
