Phylogenetic relationships of the glycoprotein gene of bovine ephemeral fever virus isolated from mainland China, Taiwan, Japan, Turkey, Israel and Australia
文献类型: 外文期刊
第一作者: Zheng, Fuying
作者: Zheng, Fuying;Qiu, Changqing
作者机构:
关键词: Bovine ephemeral fever virus;Glycoprotein gene;Mainland China;Phylogenetic relationship;Variation
期刊名称:VIROLOGY JOURNAL ( 影响因子:4.099; 五年影响因子:3.719 )
ISSN: 1743-422X
年卷期: 2012 年 9 卷
页码:
收录情况: SCI
摘要: Background: The glycoprotein (G) gene sequences of bovine ephemeral fever virus (BEFV) strains derived from mainland China have not been compared with those of the isolates from other countries or areas. Therefore, the G genes of four BEFV isolates obtained from mainland China were amplified and sequenced. A phylogenetic tree was constructed in order to compare and analyze the genetic relationships of the BEFV isolates derived from mainland China and different countries and areas. Results: The complete BEFV G gene was successfully amplified and sequenced from four isolates that originated from mainland China. A total of fifty-one BEFV strains were analyzed based on the G gene sequence and were found to be highly conserved. A phylogenetic tree showed that the isolates were grouped into three distinct lineages depending on their source of origin. The antigenic sites of G(1), G(2) and G(3) are conserved among the isolates, except for several substitutions in a few strains. Conclusions: The phylogenetic relationships of the BEFV isolates that originated from mainland China, Taiwan, Japan, Turkey, Israel and Australia were closely related to their source of origin, while the antigenic sites G(1), G(2) and G(3) are conserved among the BEFV isolates used in this work.
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