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KMID : 0425120190570020153
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Parasites, Hosts and Diseases
2019 Volume.57 No. 2 p.153 ~ p.159
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Prevalence and Molecular Characterization of Echinococcus granulosus Sensu Stricto in Northern Xinjiang, China
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Guo Baoping
Zhang Zhuangzhi
Zheng Xueting
Guo Yongzhong
Guo Gang
Zhao Li
Cai Ren
Wang Bingjie
Yang Mei
Shou Xi
Zhang Wenbao
Jia Bin
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Abstract
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Echinococcus granulosus is an important zoonotic parasite globally causing cystic echinococcosis (CE) in humans and animals. In this study, prevalence of CE and variation of cox1 gene sequence were analyzed with isolates E. granulosus collected from different areas in northern Xinjiang, China. The survey showed that 3.5% of sheep and 4.1% of cattle were infected with CE. Fragment of cox1 was amplified from all the positive sheep and cattle samples by PCR. In addition, 26 positive samples across the 4 areas were included. The isolates were all E. granulosus sensu stricto (s.s.) containing 15 haplotypes (Hap1-15), and clustered into 2 genotypes, G1 (90.1%, 91/101) and G3 (9.9%, 10/101). Hap1 was the most common haplotype (48.5%, 49/101). Hap9 were found in humans samples, indicating that sheep and cattle reservoir human CE. It is indicate that E. granulosus may impact on control of CE in livestock and humans in the region.
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KEYWORD
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Echinococcus granulosus sensu stricto, cox1, cystic echinococcosis, prevalence, gene, genotype, Xinjiang
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