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Article Dans Une Revue Molecular Microbiology Année : 2023

The regulation of bacterial two‐partner secretion systems

Résumé

Two-partner secretion (TPS) systems, also known as Type Vb secretion systems, allow the translocation of effector proteins across the outer membrane of Gram-negative bacteria. By secreting different classes of effectors, including cytolysins and adhesins, TPS systems play important roles in bacterial pathogenesis and host interactions. Here, we review the current knowledge on TPS systems regulation and highlight specific and common regulatory mechanisms across TPS functional classes. We discuss in detail the specific regulatory networks identified in various bacterial species and emphasize the importance of understanding the context-dependent regulation of TPS systems. Several regulatory cues reflecting host environment during infection, such as temperature and iron availability, are common determinants of expression for TPS systems, even across relatively distant species. These common regulatory pathways often affect TPS systems across subfamilies with different effector functions, representing conserved global infection-related regulatory mechanisms.
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Dates et versions

hal-04162897 , version 1 (12-10-2023)

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Julian Trouillon, Ina Attrée, Sylvie Elsen. The regulation of bacterial two‐partner secretion systems. Molecular Microbiology, 2023, 120 (2), ⟨10.1111/mmi.15112⟩. ⟨hal-04162897⟩
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