SummaryThe outer membrane of Gram‐negative bacteria is a crucial permeability barrier allowing the cells to survive a myriad of toxic compounds, including many antibiotics. This innate form of antibiotic resistance is compounded by the evolution of more active mechanisms of resistance such as efflux pumps, reducing the already limited number of clinically relevant treatments for Gram‐negative pathogens. During cell division Gram‐negative bacteria must coordinate constriction of the outer membrane in conjunction with other crucial layers of the cell envelope, the peptidoglycan cell wall and the inner membrane. Coordination is crucial in maintaining structural integrity of the envelope, and represents a highly vulnerable time for the cell as any failure can be fatal, if not least disadvantageous. However, the molecular mechanisms of cell division and how the biogenesis of the three layers is synchronised during constriction remain largely unknown. Perturbations of the outer membrane have been shown to increase the effectiveness of antibiotics in vitro, and so with improved understanding of this process we may be able to exploit this vulnerability and improve the effectiveness of anti
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