New genetic mechanism, origin and population dynamic of bovine ephemeral fever virus

被引：54

作者：

He, Cheng-Qiang ^{[1
]}

Liu, Ya-Xin ^{[1
]}

Wang, Hong-Mei ^{[2
]}

Hou, Pei-Li ^{[2
]}

He, Hong-Bin ^{[2
]}

Ding, Nai-Zheng ^{[1
]}

机构：

[1] Shandong Normal Univ, Coll Life Sci, Jinan 250014, Shandong, Peoples R China

[2] Shandong Acad Agr Sci, Daily Cattle Res Ctr, Jinan 250100, Shandong, Peoples R China

来源：

VETERINARY MICROBIOLOGY | 2016年 / 182卷

关键词：

Bovine ephemeral fever virus; Homologous recombination; Genetic diversity; RECOMBINATION;

D O I：

10.1016/j.vetmic.2015.10.029

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Bovine ephemeral fever virus (BEFV) is a typical species of the genusEphemerovirus in the family Rhabdoviridae. Today, prevailing BEFV can be divided into three phylogeographic lineages, East Asia, Mideast, and Australia. In this study, we provide evidence that the whole East Asia lineage originates from a homologous recombination (HR) between the Mideast and Australia lineages that probably occurred in the 1940s. To our knowledge, HR has not been proposed before as the genetic mechanism of BEFV. According to the HR event and Bayesian estimation, the three BEFV lineages might originate from Africa, and may have spread to Asia and Australia through the Mideast. In addition, the population of the virus may have augmented significantly in the 2000s, suggesting that the risk for outbreaks of BEFV may be high at present. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：50 / 56

页数：7

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