Improvement of the mismatch amplification mutation assay-PCR for discrimination between Streptococcus suis serotypes 2 and 1/2.

Abstract excerpt

A mismatch amplification mutation assay (MAMA)-PCR, which detects a single-nucleotide polymorphism contributed to serological difference between Streptococcus suis serotypes 2 and 1/2, is used to discriminate between these serotypes. The present study reports unusual serotype 1/2 isolates untypable by the MAMA-PCR and improvement of the MAMA-PCR for typing such isolates.

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