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Article Abstract
Studies performed in several countries have demonstrated the recent emergence and subsequent dominance of circulating Bordetella pertussis strains harboring pertactin and pertussis toxin variants not included in pertussis vaccines. Determination of the pertactin gene variants is commonly performed using a time-consuming and expensive sequence analysis. We developed a simple and reliable pertactin typing algorithm suitable for large-scale screening. The assay correctly identified all pertactin alleles in representative strains. The typing of 231 clinical strains of B. pertussis routinely isolated in Belgium showed that this algorithm was adequate to identify less-frequent prn types like prn9 and prn11.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC387558 | PMC |
| http://dx.doi.org/10.1128/JCM.42.4.1614-1619.2004 | DOI Listing |
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