Overview of multi-species biofilms in different ecosystems: Wastewater treatment, soil and oral cavity.

J Biotechnol

Laboratoire de Biotechnologies Agroalimentaire et Environnementale (LBAE) URU 4565, UPS, Université de Toulouse, IUT Paul Sabatier, 24 rue d'Embaquès, F-32000 Auch, France. Electronic address:

Published: May 2022

In various natural ecosystems, bacteria most often live in a sessile state enchased in a self-produced extracellular matrix forming biofilms. Due to their either negative or positive impact on different aspects of our daily life, the number of studies devoted to biofilms is increasing. Most research is based on biofilms formed by a single bacterial species. These simple models allowed the understanding of the mechanisms involved in biofilms formation and regulation. This likewise helped the development of several means to control the biofilms formation. However, these models do not closely mimic the natural biofilms known as biochemically and microbiologically heterogeneous and dynamic structures. For this reason, current studies focus more on multispecies biofilms using complex models to best approximate the natural environment. In this review, we addressed on available examples of multispecies biofilms in different domains to illustrate the complexity and organization of life within a consortium. Finally, we review the most used analytical techniques to study multispecies biofilms highlighting the need of multi-scale strategies to better decipher this complex lifestyle.

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Source
http://dx.doi.org/10.1016/j.jbiotec.2022.03.014DOI Listing

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