Serotype 14 variants of the Spanish penicillin-resistant serotype 9V clone of Streptococcus pneumoniae arose by large recombinational replacements of the cpsA-pbp1a region.

Abstract excerpt

The high prevalence of penicillin resistance among Streptococcus pneumoniae isolates from Uruguay has been associated with the emergence of a penicillin-resistant clone of serotype 14. Isolates of this clone were identical by multilocus sequence typing to members of the Spanish penicillin-resistant serotype 9V clone and possessed indistinguishable forms of the penicillin-binding protein 2b and 2x genes. Their...

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