tailieunhanh - Impact of growth pH and glucose concentrations on the CodY regulatory network in Streptococcus salivarius

Streptococcus salivarius is an abundant isolate of the human oral microbiota. Since both pH and glucose availability fluctuate frequently in the oral cavity, the goal of this study was to investigate regulation by CodY, a conserved pleiotropic regulator of Gram positive bacteria, in response to these two signals. The chemostat culture system was employed to precisely control the growth parameters, and the transcriptomes of wild-type S. salivarius and its CodY-null derivative (ΔcodY) grown at pH 7 and , with limited and excessive glucose supply were determined. |

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