Combined sigB allelic typing and multiplex PCR provide improved discriminatory power and reliability for Listeria monocytogenes molecular serotyping.

Abstract excerpt

Conventional serotyping has traditionally been used to subtype Listeria monocytogenes, but has several limitations, including low discriminatory power and poor reproducibility. Molecular serotyping methods have been developed for L. monocytogenes, but generally show limited discriminatory power and high misclassification rates. We selected 157 Listeria isolates to evaluate a combination of a previously described...

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