Variation in the NS3/NS3A gene of bluetongue viruses contained in Culicoides sonorensis collected from a single site in southern California

Kyle R. Bonneau, J. B. Topol, Alec C. Gerry, Bradley A. Mullens, Robert K. Velten, Nigel J Maclachlan

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

To determine the variability of the NS3/NS3A gene of field strains of BTV contained in Culicoides sonorensis collected from a single site in California (CA), the NS3/NS3A gene was directly amplified and sequenced from 22 pools of C. sonorensis and compared with those of previously characterized field isolates from CA, as well as to viruses that caused recent outbreaks of bluetongue disease in ruminants in CA. Phylogenetic analysis established that the NS3/NS3A gene of strains of BTV contained in C. sonorensis collected from the site exists as a heterogeneous population. The two most divergent nucleotide sequences of the NS3/NS3A genes of these viruses differed by 2.5% (18 nucleotides). Comparison with the NS3/NS3A gene sequences from viruses that caused recent instances of bluetongue disease in ruminants in CA indicated that BTV strains from different geographic regions can exhibit a higher degree of genetic heterogeneity (up to 6.6%; 0-48 nucleotide differences) than those contained in C. sonorensis collected from a single site.

Original languageEnglish (US)
Pages (from-to)59-65
Number of pages7
JournalVirus Research
Volume84
Issue number1-2
DOIs
StatePublished - Mar 20 2002

Fingerprint

Ceratopogonidae
Bluetongue virus
Bluetongue
Genes
Ruminants
Viruses
Nucleotides
Genetic Heterogeneity
Disease Outbreaks
Population

Keywords

  • Bluetongue virus
  • Culicoides
  • Genetic variation
  • NS3/NS3A gene

ASJC Scopus subject areas

  • Cancer Research
  • Molecular Biology
  • Virology

Cite this

Variation in the NS3/NS3A gene of bluetongue viruses contained in Culicoides sonorensis collected from a single site in southern California. / Bonneau, Kyle R.; Topol, J. B.; Gerry, Alec C.; Mullens, Bradley A.; Velten, Robert K.; Maclachlan, Nigel J.

In: Virus Research, Vol. 84, No. 1-2, 20.03.2002, p. 59-65.

Research output: Contribution to journalArticle

Bonneau, Kyle R. ; Topol, J. B. ; Gerry, Alec C. ; Mullens, Bradley A. ; Velten, Robert K. ; Maclachlan, Nigel J. / Variation in the NS3/NS3A gene of bluetongue viruses contained in Culicoides sonorensis collected from a single site in southern California. In: Virus Research. 2002 ; Vol. 84, No. 1-2. pp. 59-65.
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