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Phylogeny of Qinghai Plateau Echinococcus g ranulosus isolates inferred by cytochrome oxidase Ⅰ gene sequences / 中国人兽共患病学报
Chinese Journal of Zoonoses ; (12): 1048-1051, 2014.
Article in Chinese | WPRIM | ID: wpr-475071
ABSTRACT
Cystic echinococcosis is one of the most widespread and severe zoonotic helminthic diseases .To understand the phylogeny and genetic polymorphism Echinococcus granulosus (E .granulosus) prevailed in south region of Qinghai Prov-ince ,partial fragment of cytochrome oxidase Ⅰ (COX Ⅰ ) gene sequences were used to infer the phylogenetic relationship of 59 collected samples of E .granulosus in Qinghai Province .Total 72 sequences (13 sequences from GenBank) were aligned using CLUSTAL X ,and then ,Bayesian analyses were performed in Mrbayes-3 .1 .2 .The results revealed that Echinococcus spp .isolates did not form a monophyletic group .The most samples clustered with E . granulosus strain (G1) (AB297617) , but showed high genetic polymorphism .Another three samples clustered with E .multilocularis (AB018440) ,while they showed complex phylogenetic relationships among them ,further indicating that Echinococcus spp .isolates from Qinghai Prov-ince may has a more complex evolutionary history than expected .

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Zoonoses Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Zoonoses Year: 2014 Type: Article