Development and characterization of infectious clones of two strains of Usutu virus

被引：10
作者：
Bates, Tyler A. [1 ]
Chuong, Christina [1 ]
Hawks, Seth A. [1 ]
Rai, Pallavi [1 ]
Duggal, Nisha K. [1 ]
Weger-Lucarelli, James [1 ]
机构：
[1] Virginia Tech, VA MD Reg Coll Vet Med, Dept Biomed Sci & Pathobiol, Blacksburg, VA 24061 USA
来源：
VIROLOGY | 2021年 / 554卷
关键词：
Usutu virus; Flaviviridae; Flavivirus; Infectious done; Mosquito-borne; WEST-NILE-VIRUS; ZIKA VIRUS; MOUSE MODEL; RNA; OUTBREAK; SYSTEM;
D O I：
10.1016/j.virol.2020.12.004
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Usutu virus (USUV; genus Flavivirus; family Flaviviridae) is a mosquito-borne, positive-sense RNA virus that is currently causing significant die-offs in numerous bird species throughout Europe and has caused infections in humans. Currently, there are no molecular clones for USUV, hence, hindering studies on the pathogenesis and transmission of USUV. Here, we demonstrate the development and characterization of infectious clones for two modern strains of USUV isolated from Europe and Africa. We show that the infectious clone-derived viruses replicated similarly to the parental strains in mammalian and insect cells. Additionally, we observed similar levels of replication and disease in two mouse models. These clones will aid the study of USUV infection, transmission, diagnostics, and vaccines.
引用
收藏
页码：28 / 36
页数：9
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