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Journal Articles Biofilm Year : 2022

Bacillus cereus sensu lato biofilm formation and its ecological importance

Abstract

Biofilm formation is a ubiquitous process of bacterial communities that enables them to survive and persist in various environmental niches. The Bacillus cereus group includes phenotypically diversified species that are widely distributed in the environment. Often, B. cereus is considered a soil inhabitant, but it is also commonly isolated from plant roots, nematodes, and food products. Biofilms differ in their architecture and developmental processes, reflecting adaptations to specific niches. Importantly, some B. cereus strains are foodborne pathogens responsible for two types of gastrointestinal diseases, diarrhea and emesis, caused by distinct toxins. Thus, the persistency of biofilms is of particular concern for the food industry, and understanding the underlying mechanisms of biofilm formation contributes to cleaning procedures. This review focuses on the genetic background underpinning the regulation of biofilm development, as well as the matrix components associated with biofilms. We also reflect on the correlation between biofilm formation and the development of highly resistant spores. Finally, advances in our understanding of the ecological importance and evolution of biofilm formation in the B. cereus group are discussed.
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hal-03574396 , version 1 (03-01-2023)

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Yicen Lin, Romain Briandet, Ákos Kovács. Bacillus cereus sensu lato biofilm formation and its ecological importance. Biofilm, 2022, 4, pp.100070. ⟨10.1016/j.bioflm.2022.100070⟩. ⟨hal-03574396⟩
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