The naturally transformable bacterium Streptococcus pneumoniae is able to take up extracellular DNA and incorporate it into its genome. Maintaining natural transformation within a species requires ...
Searches were carried out in the Medline, Embase and PubMed databases in July 2014 with a date range, 1960-2013. Observational cohort studies (either prospective or retrospective) were included.
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