期刊
VIRUSES-BASEL
卷 12, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/v12060676
关键词
ASFV; ASF; African swine fever virus; C962R
类别
资金
- Science and Technology Directorate of the U.S. Department of Homeland Security [70RSAT19KPM000056]
African swine fever virus (ASFV) is the causative agent of the African swine fever (ASF) epizootic currently affecting pigs throughout Eurasia, causing significant economic losses in the swine industry. The virus genome encodes for more than 160 genes, of which only a few have been studied in detail. Here we describe the previously uncharacterized ASFV open reading frame (ORF)C962R, a gene encoding for a putative NTPase. RNA transcription studies using infected swine macrophages demonstrate that the C962R gene is translated as a late virus protein. A recombinant ASFV lacking theC962Rgene (ASFV-G-Delta C962R) demonstrates in vivo that theC962Rgene is non-essential, since ASFV-G-Delta C962R has similar replication kinetics in primary swine macrophage cell cultures when compared to parental highly virulent field isolate Georgia2007 (ASFV-G). Experimental infection of domestic pigs with ASFV-G-Delta C962R produced a clinical disease similar to that caused by the parental ASFV-G, confirming that deletion of theC962Rgene from the ASFV genome does not impact virulence.
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