Molecular Identification of Taenia hydatigena from Sheep in Khartoum, Sudan

文献类型： 外文期刊

第一作者： Muku, Rosline James

作者： Muku, Rosline James;Yan, Hong-Bin;Ohiolei, John Asekhaen;Ahmed, Sara;Jia, Wan-Zhong;Fu, Bao-Quan;Saaid, Abubakar Ahmed

作者机构：

关键词： Taenia hydatigena; genetic variation; cysticercus; Khartoum

期刊名称：KOREAN JOURNAL OF PARASITOLOGY （ 影响因子：1.341； 五年影响因子：1.669 ）

ISSN： 0023-4001

年卷期： 2020 年 58 卷 1 期

页码：

收录情况： SCI

摘要： The cestode Taenia hydatigena uses canids, primarily dogs, as definitive hosts, while the metacestode larval stage cysticercus infects a range of intermediate hosts, including domestic animals such as goats, sheep, and pigs. Cysticercosis due to T. hydatigena has large veterinary and economic drawbacks. Like other taeniids, e.g., Echinococcus, intraspecific variation is found among the members of the genus Taenia. In Africa, few studies are available on the epidemiology and distribution of T. hydatigena, and even fewer studies are available on its genetic variation. In this study, we molecularly identified 11 cysticerci from sheep in Sudan and demonstrated the genetic variation based on the NADH dehydrogenase subunit 1 (nad1) and cytochrome c oxidase subunit 1 (cox1) mitochondria! genes. The isolates were correctly identified as T. hydatigena with more than 99% similarity to those in the GenBank database. Low diversity indices and insignificant neutrality indices were observed, with 3 and 2 haplotypes for the nad1 and cox1 genes, respectively. The results suggest the presence of unique T. hydatigena haplotypes in Sudan, as haplotypes with 100% similarity were not found in the GenBank database. With few available studies on the genetic variation of T. hydatigena in Africa, this report represents the first insights into the genetic variation of T. hydatigena in Sudan and constitutes useful data.

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