Evolution of Streptococcus pneumoniae and Its Close Commensal Relatives

  title={Evolution of Streptococcus pneumoniae and Its Close Commensal Relatives},
  author={Mogens Kilian and Knud Poulsen and Trinelise Blomqvist and Leiv Sigve H{\aa}varstein and Malene Bek-Thomsen and Herv{\'e} Tettelin and Uffe B. Skov S\orensen},
  journal={PLoS ONE},
  pages={406 - 408}
Streptococcus pneumoniae is a member of the Mitis group of streptococci which, according to 16S rRNA-sequence based phylogenetic reconstruction, includes 12 species. While other species of this group are considered prototypes of commensal bacteria, S. pneumoniae is among the most frequent microbial killers worldwide. Population genetic analysis of 118 strains, supported by demonstration of a distinct cell wall carbohydrate structure and competence pheromone sequence signature, shows that S… CONTINUE READING
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