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A review on marine plastisphere: biodiversity, formation, and role in degradation
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This review explored the "plastisphere," the community of bacteria, fungi, and algae that colonize microplastic surfaces in the ocean. Researchers found that these microbial communities differ from those in surrounding seawater and include species capable of degrading plastic, though the process is extremely slow. Understanding the plastisphere is important because it influences how microplastics behave in the ocean, including whether they sink or float and how they interact with marine life.
The pollution of plastic waste has become an increasingly serious environmental crisis. Recently, plastic has been detected in various kinds of environments, even in human tissues, which is an increasing threat to the ecosystems and humans. In the ocean, the plastic waste is eventually fragmentized into microplastics (MPs) under the disruption of physical and chemical processes. MPs are colonized by microbial communities such as fungi, diatoms, and bacteria, which form biofilms on the surface of the plastic called "plastisphere". In this review, we summarize the studies related to microorganisms in the plastisphere in recent years and describe the microbial species in the plastisphere, mainly including bacteria, fungi, and autotrophs. Secondly, we explore the interactions between MPs and the plastisphere. The depth of MPs in the ocean and the nutrients in the surrounding seawater can have a great impact on the community structure of microorganisms in the plastisphere. Finally, we discuss the types of MP-degrading bacteria in the ocean, and use the "seed bank" theory to speculate on the potential sources of MP-degrading microorganisms. Challenges and future research prospects are also discussed.
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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.
Aquatic Microbial Diversity on Plastisphere: Colonization and Potential Role in Microplastic Biodegradation
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This review examines how microorganisms colonize the surfaces of floating plastic debris in aquatic environments, forming communities known as the plastisphere. Researchers found that certain bacteria and fungi on plastic surfaces show potential for biodegrading the polymers they inhabit. The study suggests that understanding these microbial communities could lead to biological approaches for breaking down microplastic pollution in waterways.
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.
Ecology of the plastisphere
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This review explores the plastisphere, the diverse microbial community that colonizes plastic debris in the ocean, which now spans multiple biomes on Earth. Researchers examine how microplastics serve as novel substrates for microbial colonization and may facilitate the dispersal of microorganisms, including potentially harmful species, across aquatic ecosystems. The study highlights key questions about whether plastics harbor a unique core microbial community distinct from natural surfaces.
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This review explores the plastisphere, the community of microorganisms that colonize plastic debris in the environment. The authors cover methods for studying these microbial communities, the diversity of organisms found living on plastics, and their functional roles including potential plastic degradation and pathogen harboring. Understanding the plastisphere is important because these microbial communities can influence how plastics break down and what health risks plastic pollution may pose.
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