Journal
VETERINARY JOURNAL
Volume 195, Issue 3, Pages 300-304Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tvjl.2012.07.007
Keywords
Equine; Strangles; Streptococcus equi; Triplex quantitative PCR
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Funding
- Wellcome Trust
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Genome sequencing data for Streptococcus equi subspecies equi and zooepidemicus were used to develop a novel diagnostic triplex quantitative PCR (qPCR) assay targeting two genes specific to S. equi (eqbE and SEQ2190) and a unique 100 base pair control DNA sequence (SZIC) inserted into the SZO07770 pseudogene of S. zooepidemicus strain H70. This triplex strangles qPCR assay can provide results within 2 h of sample receipt, has an overall sensitivity of 93.9% and specificity of 96.6% relative to the eqbE singlex assay and detects S. equi at levels below the threshold of the culture assay, even in the presence of contaminating bacteria. (C) 2012 Elsevier Ltd. All rights reserved.
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