Details:

Alternative Title:
Virol J
Personal Author:
Gallardo-Romero, Nadia F. ; Velasco-Villa, Andres ; Weiss, Sonja L. ; Emerson, Ginny L. ; Carroll, Darin S. ; ... More +
Gallardo-Romero, Nadia F. ; Velasco-Villa, Andres ; Weiss, Sonja L. ; Emerson, Ginny L. ; Carroll, Darin S. ; Hughes, Christine M. ; Li, Yu ; Karem, Kevin L. ; Damon, Inger K. ; Olson, Victoria A. Less -
Description:
The prevalence of North American orthopoxviruses in nature is unknown and may be more difficult to ascertain due to wide spread use of vaccinia virus recombinant vaccines in the wild. A real time PCR assay was developed to allow for highly sensitive and specific detection of North American orthopoxvirus DNA in animal tissues and bodily fluids. This method is based on the amplification of a 156 bp sequence within a myristylated protein, highly conserved within the North American orthopoxviruses but distinct from orthologous genes present in other orthopoxviruses. The analytical sensitivity was 1.1 fg for Volepox virus DNA, 1.99 fg for Skunkpox virus DNA, and 6.4 fg for Raccoonpox virus DNA with a 95% confidence interval. Our assay did not cross-react with other orthopoxviruses or ten diverse representatives of the Chordopoxvirinae subfamily. This new assay showed more sensitivity than tissue culture tests, and was capable of differentiating North American orthopoxviruses from other members of Orthopoxvirus. Thus, our assay is a promising tool for highly sensitive and specific detection of North American orthopoxviruses in the United States and abroad.
Subject:
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Animals
Cross Reactions
Methodology
Orthopoxvirus
Polymerase Chain Reaction
Poxviridae Infections
Sensitivity And Specificity
Virology

Source:
Virol J. 2011; 8:313.
Document Type:
Journal Article
Place as Subject:
North America
Collection(s):
CDC Public Access
Main Document Checksum:
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urn:sha256:3ffc3f411943eaee561b4ab5c7e682974fd4c6f4e65ead5685d981404793f4d3
File Type:

Supporting Files

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