tRNA gene clusters at the 3' end of rRNA operons are specific to virulent subgroups of Streptococcus agalactiae strains, as demonstrated by molecular differential analysis at the population level.

Abstract excerpt

The aim of this work was to characterize a 2.4 kb randomly amplified polymorphic DNA (RAPD) fragment described as a marker for a phylogenetic group of Streptococcus agalactiae strains significantly associated with neonatal meningitis. This fragment was analysed by cloning and sequencing, and showed that two types of tRNA gene cluster flank the 3' end of the rRNA operons in S. agalactiae strains. Both types of...

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