Roles of African swine fever virus structural proteins in viral infection
文献类型: 外文期刊
第一作者: Jia, Ning
作者: Jia, Ning;Ou, Yunwen;Ou, Yunwen;Zhang, Yongguang;Zhang, Jie;Pejsak, Zygmunt
作者机构:
关键词: African swine fever virus;structural proteins;viral infection;review
期刊名称:JOURNAL OF VETERINARY RESEARCH ( 影响因子:1.744; 五年影响因子:1.838 )
ISSN: 2450-7393
年卷期: 2017 年 61 卷 2 期
页码:
收录情况: SCI
摘要: African swine fever virus (ASFV) is a large, double-stranded DNA virus and the sole member of the Asfarviridae family. ASFV infects domestic pigs, wild boars, warthogs, and bush pigs, as well as soft ticks (Ornithodoros erraticus), which likely act as a vector. The major target is swine monocyte-macrophage cells. The virus can cause high fever, haemorrhagic lesions, cyanosis, anorexia, and even fatalities in domestic pigs. Currently, there is no vaccine and effective disease control strategies against its spread are culling infected pigs and maintaining high biosecurity standards. African swine fever (ASF) spread to Europe from Africa in the middle of the 20(th) century, and later also to South America and the Caribbean. Since then, ASF has spread more widely and thus is still a great challenge for swine breeding. The genome of ASFV ranges in length from about 170 to 193 kbp depending on the isolate and contains between 150 and 167 open reading frames (ORFs). The ASFV genome encodes 150 to 200 proteins, around 50 of them structural. The roles of virus structural proteins in viral infection have been described. These proteins, such as pp220, pp62, p72, p54, p30, and CD2v, serve as the major component of virus particles and have roles in attachment, entry, and replication. All studies on ASFV proteins lay a good foundation upon which to clarify the infection mechanism and develop vaccines and diagnosis methods. In this paper, the roles of ASFV structural proteins in viral infection are reviewed.
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