Identification and genotyping of a new subtype of bovine viral diarrhea virus 1 isolated from cattle with diarrhea

Arch Virol. 2021 Apr;166(4):1259-1262. doi: 10.1007/s00705-021-04990-7. Epub 2021 Feb 13.

Abstract

In 2019, diarrhea cases occurred on cattle farms in Qionglai and Guang'an, Sichuan Province. Two out of 20 (10%) serum and nasal swab samples were positive when tested using a bovine viral diarrhea virus (BVDV) antigen-capture ELISA kit. Two non-cytopathic strains of BVDV were isolated and named QL1903 and GA190608, respectively. The nucleotide sequences of the genomes of the two isolates were 89.52% identical. Phylogenetic analysis based on the 5'-UTR sequence revealed that the BVDV isolate QL1903 belonged to BVDV subtype 1b, whereas isolate GA190608 clustered with strains HN1814, EN-19, and BJ09_26 in a separate branch, which has tentatively been classified as a new genetic subtype, "1v".

MeSH terms

  • 5' Untranslated Regions / genetics
  • Animals
  • Bovine Virus Diarrhea-Mucosal Disease / diagnosis
  • Bovine Virus Diarrhea-Mucosal Disease / virology*
  • Cattle
  • Cell Line
  • Diarrhea Virus 1, Bovine Viral / classification*
  • Diarrhea Virus 1, Bovine Viral / genetics*
  • Diarrhea Virus 1, Bovine Viral / immunology
  • Diarrhea Virus 1, Bovine Viral / isolation & purification
  • Genetic Variation
  • Genome, Viral / genetics
  • Genotype
  • Phylogeny
  • RNA, Viral / genetics
  • Viral Proteins / immunology

Substances

  • 5' Untranslated Regions
  • RNA, Viral
  • Viral Proteins