TABLE 7

Comparison of transcriptomes of the S. pneumoniae D39 wild-type and ΔlacT strains grown in LM17

D39 tagaFunctionbRatioc
SPD_10466-Phospho-β-galactosidase (LacG)−3.3
SPD_1047PTS system, lactose-specific IIBC components (LacE)−2.6
SPD_1048PTS system, lactose-specific IIA component (LacF)−2.6
SPD_1049Transcriptional antiterminator (LacT)−5.0
  • a Gene numbers refer to D39 locus tags.

  • b D39 annotation/TIGR4 annotation (23, 25, 72).

  • c Ratio of the fold decrease in the expression of genes in the ΔlacT strain compared to that in the wild type.