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Review
. 2021 Dec 23;13(1):34.
doi: 10.3390/genes13010034.

Two-Component Systems of S. aureus: Signaling and Sensing Mechanisms

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Review

Two-Component Systems of S. aureus: Signaling and Sensing Mechanisms

Lisa Bleul et al. Genes (Basel). .

Abstract

Staphylococcus aureus encodes 16 two-component systems (TCSs) that enable the bacteria to sense and respond to changing environmental conditions. Considering the function of these TCSs in bacterial survival and their potential role as drug targets, it is important to understand the exact mechanisms underlying signal perception. The differences between the sensing of appropriate signals and the transcriptional activation of the TCS system are often not well described, and the signaling mechanisms are only partially understood. Here, we review present insights into which signals are sensed by histidine kinases in S. aureus to promote appropriate gene expression in response to diverse environmental challenges.

Keywords: S. aureus; histidine kinase; ligand; signal sensing; two-component systems.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Structure and Signaling-Mechanisms of S. aureus HKs. CP: Peptidoglycan cleavage products; CAMP: Cationic antimicrobial peptide; FA: fatty acid.

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