Genetic diversity of the ORF5 gene of porcine reproductive and respiratory syndrome virus (PRRSV) genotypes I and II in Thailand

Genetic diversity of the ORF5 gene of porcine reproductive and respiratory syndrome virus (PRRSV)... To investigate the genetic diversity of porcine reproductive and respiratory syndrome virus (PRRSV) in Thailand, 279 ORF5 sequences of PRRSV collected during 2010–2011 from 102 swine herds in five swine-producing areas were analyzed. The co-existence of European (EU) and North American (NA) genotypes was observed in 98 % of herds investigated and was evident at the pig level. Both genotypes have evolved separately with a temporal influence on strain development. Novel introductions influence the genetic diversity of the NA genotype. Although Thai EU and NA isolates develop their own clusters that are separate from those of other countries, there was no geographic influence on strain development within Thailand. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Genetic diversity of the ORF5 gene of porcine reproductive and respiratory syndrome virus (PRRSV) genotypes I and II in Thailand

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Publisher
Springer Vienna
Copyright
Copyright © 2013 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-012-1573-7
Publisher site
See Article on Publisher Site

Abstract

To investigate the genetic diversity of porcine reproductive and respiratory syndrome virus (PRRSV) in Thailand, 279 ORF5 sequences of PRRSV collected during 2010–2011 from 102 swine herds in five swine-producing areas were analyzed. The co-existence of European (EU) and North American (NA) genotypes was observed in 98 % of herds investigated and was evident at the pig level. Both genotypes have evolved separately with a temporal influence on strain development. Novel introductions influence the genetic diversity of the NA genotype. Although Thai EU and NA isolates develop their own clusters that are separate from those of other countries, there was no geographic influence on strain development within Thailand.

Journal

Archives of VirologySpringer Journals

Published: May 1, 2013

References

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