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Reverse Genetics System for Shuni Virus, an Emerging Orthobunyavirus with Zoonotic Potential.
- Source :
-
Viruses [Viruses] 2020 Apr 17; Vol. 12 (4). Date of Electronic Publication: 2020 Apr 17. - Publication Year :
- 2020
-
Abstract
- The genus Orthobunyavirus (family Peribunyaviridae , order Bunyavirales ) comprises over 170 named mosquito- and midge-borne viruses, several of which cause severe disease in animals or humans. Their three-segmented genomes enable reassortment with related viruses, which may result in novel viruses with altered host or tissue tropism and virulence. One such reassortant, Schmallenberg virus (SBV), emerged in north-western Europe in 2011. Shuni virus (SHUV) is an orthobunyavirus related to SBV that is associated with neurological disease in horses in southern Africa and recently caused an outbreak manifesting with neurological disease and birth defects among ruminants in Israel. The zoonotic potential of SHUV was recently underscored by its association with neurological disease in humans. We here report a reverse genetics system for SHUV and provide first evidence that the non-structural (NSs) protein of SHUV functions as an antagonist of host innate immune responses. We furthermore report the rescue of a reassortant containing the L and S segments of SBV and the M segment of SHUV. This novel reverse genetics system can now be used to study SHUV virulence and tropism, and to elucidate the molecular mechanisms that drive reassortment events.
- Subjects :
- Animals
Bunyaviridae Infections transmission
Communicable Diseases, Emerging transmission
Genome, Viral
High-Throughput Nucleotide Sequencing
Mice
Open Reading Frames
Orthobunyavirus classification
Phylogeny
RNA, Viral
Rats
United Kingdom epidemiology
Viral Zoonoses transmission
Bunyaviridae Infections epidemiology
Bunyaviridae Infections virology
Communicable Diseases, Emerging epidemiology
Communicable Diseases, Emerging virology
Orthobunyavirus genetics
Reverse Genetics
Viral Zoonoses epidemiology
Viral Zoonoses virology
Subjects
Details
- Language :
- English
- ISSN :
- 1999-4915
- Volume :
- 12
- Issue :
- 4
- Database :
- MEDLINE
- Journal :
- Viruses
- Publication Type :
- Academic Journal
- Accession number :
- 32316542
- Full Text :
- https://doi.org/10.3390/v12040455