Abstract
A hybridization assay for detection of toxigenicClostridium difficile in fecal samples was developed and compared with the classical tissue culture cytotoxicity assay. A DNA fragment probe specific for the toxin B gene ofClostridium difficile was synthesized by the polymerase chain reaction and labelled with digoxigenin. Fecal samples were cultured for 24 hours, replica-plated and hybridized with the probe. The hybridization assay had a sensitivity of 100 %, specificity of 96.7 %, positive predictive value of 86.7 % and negative predictive value of 100 % compared with the cytotoxicity assay.
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Wolfhagen, M.J.H.M., Fluit, A.C., Jansze, M. et al. Detection of toxigenicClostridium difficile in fecal samples by colony blot hybridization. Eur. J. Clin. Microbiol. Infect. Dis. 12, 463–466 (1993). https://doi.org/10.1007/BF01967444
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DOI: https://doi.org/10.1007/BF01967444