1887

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Volume 99, Issue 6

Identification and genetic characterization of equine in China Free

Abstract

In 2013, two new viruses, equine pegivirus (EPgV) and Theiler’s disease-associated virus (TDAV), both belonging to the genus within the family , were identified. To investigate the geographical distribution and genetic diversity of these two viruses in China, we screened EPgV and TDAV infection in imported race horses and Chinese work horses by using reverse-transcription polymerase chain reaction (RT-PCR). EPgV was detected in 10.8 % (8/74) of the total horses tested, with a prevalence of 5.8 and 22.7 % in the race horses and work horses, respectively. No TDAV infection was found. A near full-length genome sequence of EPgV was obtained that showed an identity of 89.5–90.6 % at the nucleotide level and 98.1–98.3 % at the amino acid level with an American strain, C0035, and another Chinese strain, LW/216, respectively. Phylogenetic analysis showed two different clusters of the sequences from the race horses and work horses, indicating a difference in virus origin. Our results demonstrated a higher positive rate of EPgV in the Chinese work horses than in the imported race horses, a moderate genetic diversity of EPgV strains worldwide and possibly no liver pathogenesis for EPgV infection.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Equine pegivirus , genetic diversity , pegivirus identification and Theiler's disease associated virus
© 2018 The Authors
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2018-06-01
2024-04-20
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Identification and genetic characterization of equine Pegivirus in China
J. Gen. Virol. 99, 768 (2018); https://doi.org/10.1099/jgv.0.001063
/content/journal/jgv/10.1099/jgv.0.001063
/content/journal/jgv/10.1099/jgv.0.001063
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