本文比较了狮棘球绦虫(Echinococcus f elidis)线粒体cox1(细胞色素C氧化酶亚基1)和 nad1(烟酰胺腺嘌呤二核苷酸脱氢酶亚单位1)基因片段序列,核基因编码基因 elp(埃兹-根蛋白-膜突蛋白样蛋白)、e f1a(延伸因子1α)、pepck(磷酸烯醇式丙酮酸羧激酶)和 pold(DNA 聚合酶δ)序列,核糖体rRNA基因(ITS1和18S rRNA)序列,以及狮棘球绦虫与其它棘球绦虫之间的DNA序列的差异度,并简述了其吻钩皱褶明显的形态学特征和以独特的狮类为终末宿主的生物学特性。通过对狮棘球绦虫分子遗传标记特征、种地位的确立、种系发生、鉴定方法、宿主范围、地理分布、流行病学特征和未来研究方向的阐述,为从事该领域研究的学者和临床工作者提供了背景知识,并对棘球蚴病的临床流行病学调查和防治工作提供了依据。
This review focuses on biological characteristics of Echinococcus f elidis including molecular genetic markers , species status ,host coverage ,geographical distribution ,epidemiological implications ,phylogeny ,and evolution .The molecular genetic markers are involved in mitochondrial cox1 (cytochrome C oxidase subunit 1) and nad1 (nicotinamide adenine dinucle-otide dehydrogenase subunit 1) genes ,nuclear protein-coding gene sequences such as elp (ezrin-radixin-moesin-like protein) , e f1a (elongation factor 1 alpha) ,pepck (phosphoenolpyruvate carboxykinase ) ,pold (DNA polymerase delta ) ,and ribosome RNA gene sequences such as ITS1 and 18S rRNA .The establishment of species status is based on distinctly discriminated mor-phological characteristics such as hooks on the rostrum with apparent rugae ,the special definitive host (lions) ,and divergence of DNA sequences ,etc .between E . f elidis and other Echinococcus species .In brief ,the review has provided researchers and ex-perts in the field of echinococcosis with fundamental background knowledge and guidelines for future research directions ,clinical and epidemiological investigations ,and prevention and control of echinococcosis .