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Article Dans Une Revue Microbiology Année : 2023

Biofilms as protective cocoons against biocides: from bacterial adaptation to One Health issues

Résumé

Bacteria in the food chain mostly live in communities associated with surfaces known as biofilms, which confer specific survival and adaptive abilities. In such communities, the bacteria mostly exhibit higher tolerance to external stress, and their recurrent exposure along the food chain to biocides used during cleaning and disinfection procedures raises concern about the adaptation routes they develop, both at single-cell and communal levels. In recent years, an increasing number of research subjects have focused on understanding the specific features of biofilms that enable bacterial populations to adapt to biocide exposure within a 'protective cocoon'. The first part of this review concentrates on the diversity of adaptive strategies, including structural modulation of these biofilms, physiological response or the acquisition of genetic resistance. The second part discusses the possible side effects of biofilm adaptation to biocides on antimicrobial cross-resistance, virulence and colonization features from a One Health perspective.

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Bactériologie
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anses-04164904 , version 1 (25-07-2023)

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Raphaël Charron, Marine Boulanger, Romain Briandet, Arnaud Bridier. Biofilms as protective cocoons against biocides: from bacterial adaptation to One Health issues. Microbiology, 2023, 169 (6), pp. 1-20. ⟨10.1099/mic.0.001340⟩. ⟨anses-04164904⟩
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