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Bluetongue Virus

  • Authors: Thomas Walton 1, Erica Suchman 2
  • VIEW AFFILIATIONS HIDE AFFILIATIONS
    Affiliations: 1: Animal and Plant Health Inspection Service (Retired), United States Department of Agriculture, Fort Collins, CO, 80526-8117; 2: Colorado State University, Fort Collins, Colorado, 80523
  • Citation: Thomas Walton, Erica Suchman. 2007. Bluetongue virus.
  • Publication Date : January 2007
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Bluetongue viruses are infectious, noncontagious viruses in the family Reoviridae and genus Orbivirus (Fig. 1 and 2) that are transmitted to domestic and wild ruminants (sheep, cows, goats, deer) by biting midges (no-see-ums) in the genus Culicoides (Fig. 3) (3). The viruses are nonenveloped and the icosohedral 54-nm-diameter capsid contains the 10 segments of the linear double-stranded RNA genome of approximately 25 kilobases (1, 2). The disease is found worldwide. Due to the seasonal increase in the vector, disease is most prevalent mid summer to early fall. These images show bluetongue virus in a thin section of lamb kidney cells negatively stained with 2% phosphotunsgtate.

References.

1.  Roy, P.  2001. Orbiviruses, p. 1679–1728. In D. M. Knipe and P. M. Howley (ed.), Fields virology. Lippincott Williams and Wilkins, Philadelphia, Pa.

2.  Tyler, K. L. 2001. Mammalian reoviruses, p. 1679–1728. In D. M. Knipe and P. M. Howley (ed.), Fields virology. Lippincott Williams and Wilkins, Philadelphia, Pa.

3.  Walton T. E., and B. I. Osburn. 1991. Bluetongue, African horse sickness, and related Orbiviruses.  Proceedings of the Second International Symposium. CRC Press, Boca Raton, Fla.

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