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Rapid detection of classical swine fever virus by a portable real-time reverse transcriptase PCR assay.


ABSTRACT: A fluorogenic-probe hydrolysis (TaqMan)-reverse transcriptase PCR assay for classical swine fever virus (CSFV) was developed and evaluated in experimentally infected swine. The assay detected CSFV, representing different phylogenetic groupings, but did not amplify viral RNA from related pestiviruses. The assay met or exceeded the sensitivity (1 to 100 50% tissue culture infective doses per ml) of viral cultures of samples from experimentally infected animals. Viral RNA was detected in nasal and tonsil scraping samples 2 to 4 days prior to the onset of clinical disease. The assay can be performed in 2 h or less, thus providing a rapid method for the diagnosis of classical swine fever.

SUBMITTER: Risatti GR 

PROVIDER: S-EPMC149591 | biostudies-other | 2003 Jan

REPOSITORIES: biostudies-other

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Rapid detection of classical swine fever virus by a portable real-time reverse transcriptase PCR assay.

Risatti G R GR   Callahan J D JD   Nelson W M WM   Borca M V MV  

Journal of clinical microbiology 20030101 1


A fluorogenic-probe hydrolysis (TaqMan)-reverse transcriptase PCR assay for classical swine fever virus (CSFV) was developed and evaluated in experimentally infected swine. The assay detected CSFV, representing different phylogenetic groupings, but did not amplify viral RNA from related pestiviruses. The assay met or exceeded the sensitivity (1 to 100 50% tissue culture infective doses per ml) of viral cultures of samples from experimentally infected animals. Viral RNA was detected in nasal and  ...[more]

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