Article
Pherotypes of co-colonizing pneumococci among Portuguese children.
Microbial drug resistance (Larchmont, N.Y.) - 1 Dec 2012
Valente Carina, De Lencastre Hermínia, Sá-Leão Raquel
Abstract excerpt
A recent study showed that pneumococcal pherotypes often coexist in the nasopharynx and suggested that the impact of pherotype-mediated fratricide on competition is limited. We determined the impact of pherotype (or competence-stimulating peptide [CSP]) on pneumococcal nasopharyngeal co-colonization. Of 184 nasopharyngeal samples yielding two serotypes, 39.9% contained CSP1 only, 12.6% CSP2 only, and 47.5% had...
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