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Marine microbial biofilms on diverse abiotic surfaces

Frontiers in Marine Science 2025 18 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Shan Yu, Xindi Lu, Hailong Lu

Summary

This review provides an overview of how microbial biofilms form on various non-living surfaces in the ocean, including microplastics, seafloor sediments, and submerged structures. Researchers describe how these surface-attached microbial communities have unique compositions and functions that influence ocean ecology and biochemical processes. The study also examines how biofilms contribute to biocorrosion and biofouling, highlighting their broad significance for both natural marine systems and human-built infrastructure.

Marine biofilms are globally ubiquitous surface-associated microbial communities that have gained increasing attention due to their distinctive structure and functions. The aim of this study is to provide a comprehensive overview of the current scientific understanding, with a specific focus on naturally occurring biofilms that develop on diverse marine abiotic surfaces, including microplastics, seafloor sediments, subsurface particles, and submerged artificial structures susceptible to biocorrosion and biofouling induced by marine biofilms. This article presents recent advancements and discoveries concerning the diversity, structure, function, and dynamics of these surface-associated microbial communities in the marine environment, highlighting their ecological and biogeochemical dimensions, while also serving as an inspiration for further investigations into marine biofilms.

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