TABLE 2.

Effects of pH on the expression of cylE and scpB in GBS wild-type and csrS mutant strains

GBS strainFold change in gene transcription (pH 7.4/pH 5.0)a
cylEscpB
2603 V/R
    Wild type17.6 ± 4.87.6 ± 3.9
    ΔcsrS0.6 ± 0.20.9 ± 0.7
515 Ia
    Wild type21.5 ± 3.58.0 ± 4.2
    ΔcsrS0.24 ± 0.00.7 ± 0.4
  • a Data are expressed as the ratio of the amount of transcript detected in the GBS strain grown at pH 7.4 to that detected in the same strain grown at pH 5.0. Values are means ± standard deviations from at least three independent experiments.