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Protein Serine/Threonine Kinase StkP Positively Controls Virulence and Competence in Streptococcus pneumoniae

机译:蛋白质丝氨酸/苏氨酸激酶StkP阳性控制肺炎链球菌的毒力和能力。

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In the Streptococcus pneumoniae genome, stkP, encoding a membrane-associated serine/threonine kinase, is not redundant (L. Novakova, S. Romao, J. Echenique, P. Branny, and M.-C. Trombe, unpublished results). The data presented here demonstrate that StkP belongs to the signaling network involved in competence triggering in vitro and lung infection and bloodstream invasion in vivo. In competence, functional StkP is required for activation of comCDE upstream of the autoregulated ring orchestrated by the competence-stimulating peptide. This is the first description of positive regulation of comCDE transcription in balance with its repression by CiaRH.
机译:肺炎链球菌基因组中, stkP 编码与膜相关的丝氨酸/苏氨酸激酶,并不是多余的(L. Novakova,S. Romao,J. Echenique,P. Branny和M.-C. Trombe,未发表的结果)。此处提供的数据证明StkP属于参与能力触发体外和肺部感染以及体内血流入侵的信号网络。在能力方面,功能性StkP是激活能力刺激性肽精心编排的自动调节环上游的 comCDE 所必需的。这是对 comCDE 转录的正向调节及其CiaRH抑制的平衡的首次描述。

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