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Marine Plastic Debris: A New Surface for Microbial Colonization
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This review examines the "Plastisphere" -- the community of microbes that rapidly colonizes plastic debris in the ocean -- covering biofilm development, potential biodegradation, and the hitchhiking of harmful bacteria. Researchers found that microbial communities on plastics do not dramatically differ from those on other inert surfaces, especially in mature biofilms. The study identifies key knowledge gaps and calls for more environmentally realistic research into how these plastic-associated microbes interact with marine ecosystems.
Plastics become rapidly colonized by microbes when released into marine environments. This microbial community-the Plastisphere-has recently sparked a multitude of scientific inquiries and generated a breadth of knowledge, which we bring together in this review. Besides providing a better understanding of community composition and biofilm development in marine ecosystems, we critically discuss current research on plastic biodegradation and the identification of potentially pathogenic "hitchhikers" in the Plastisphere. The Plastisphere is at the interface between the plastic and its surrounding milieu, and thus drives every interaction that this synthetic material has with its environment, from ecotoxicity and new links in marine food webs to the fate of the plastics in the water column. We conclude that research so far has not shown Plastisphere communities to starkly differ from microbial communities on other inert surfaces, which is particularly true for mature biofilm assemblages. Furthermore, despite progress that has been made in this field, we recognize that it is time to take research on plastic-Plastisphere-environment interactions a step further by identifying present gaps in our knowledge and offering our perspective on key aspects to be addressed by future studies: (I) better physical characterization of marine biofilms, (II) inclusion of relevant controls, (III) study of different successional stages, (IV) use of environmentally relevant concentrations of biofouled microplastics, and (V) prioritization of gaining a mechanistic and functional understanding of Plastisphere communities.
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Biofilms on Plastic Debris and the Microbiome
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This review synthesizes knowledge on biofilms that colonize plastic debris in the ocean, known as the plastisphere, covering how microbial communities are structured and how they interact with the surrounding environment. The authors discuss implications for nutrient cycling, pathogen transport, and polymer degradation.
Surfing and dining on the “plastisphere”: Microbial life on plastic marine debris
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This review examines the microbial communities — the "plastisphere" — that colonize floating plastic debris in the ocean, discussing how these biofilms form, who lives in them, and what risks they may pose to marine ecosystems and human health. The unique chemistry and buoyancy of plastic creates a novel habitat that can transport potentially harmful microbes across ocean basins.
Microbial colonization and degradation of marine microplastics in the plastisphere: A review
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This review explores the "plastisphere" — the community of microorganisms that colonize microplastics floating in the ocean. Researchers found that bacteria, fungi, algae, and other microbes form unique biofilm communities on plastic surfaces, some of which can partially degrade the plastic while others include potentially harmful pathogens. Understanding these microbial communities is important for assessing both the ecological risks and possible bioremediation potential of marine microplastic pollution.
Marine Microbial Assemblages on Microplastics: Diversity, Adaptation, and Role in Degradation
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This review examines microbial communities that colonize microplastics in the ocean, collectively known as the plastisphere. Researchers found that these biofilms differ significantly from those on natural surfaces and may include pathogenic bacteria and species capable of partially degrading plastics. The study highlights both the ecological risks of microplastics as vectors for harmful microbes and the potential for harnessing plastic-degrading organisms.
It s all about the base : Marine biofilms in the plastic age
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This paper reviews the "Plastisphere" — the dense community of microorganisms that colonize plastic debris in the ocean — explaining how these biofilms on floating plastic surfaces can transport potentially harmful microbes and alter how plastic interacts with marine ecosystems.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.