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Microplastic: A New Habitat for Biofilm Communities
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Microplastics entering aquatic environments are rapidly colonized by microorganisms that form biofilms, creating a unique ecological niche known as the 'plastisphere' that differs markedly from surrounding water communities. These biofilms can harbor pathogens and antibiotic-resistant bacteria, raising concerns about microplastics serving as vectors for harmful microorganisms throughout aquatic food chains.
Since half a century, aquatic environments are polluted by plastic debris resulting in its global distribution even to remote systems. Immediately after entering the aquatic environment, microorganisms colonize on plastic surfaces and build up a biofilm, the...
More Papers Like This
Microplastic – A New Habitat for Biofilm Communities
AI summary Read the abstract
Microplastics in aquatic environments rapidly become colonized by microbial biofilms forming a distinct 'plastisphere' community that differs markedly from surrounding water microbiomes and may include pathogens and antibiotic-resistant organisms. This novel microplastic-associated habitat raises concerns about plastics serving as vectors for harmful microorganisms that can travel long distances through aquatic systems.
Biofilms of Microplastics
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Researchers found that microplastics in the environment become colonized by unique communities of microorganisms forming biofilms, raising concern that these plastic particles may serve as rafts that transport harmful bacteria, pathogens, and pollutants to new locations in ecosystems.
Investigation of microplastic biofilm communities originated from freshwater
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Microplastic surfaces in freshwater develop biofilm communities structurally distinct from surrounding water, with specific bacterial taxa dominating depending on whether conditions are nutrient-rich or ambient, regardless of plastic polymer type. These unique MP-associated microbial communities matter because they can alter nutrient cycling, harbor potential pathogens, and serve as vehicles for spreading antimicrobial resistance through aquatic ecosystems.
Dynamics and implications of biofilm formation and community succession on floating marine plastic debris
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An in situ 42-day exposure experiment in a tropical coastal environment tracked the stepwise colonization of polyethylene plastics by microbial communities, revealing succession from initial Gammaproteobacteria attachment through secondary colonization by cyanobacteria, diatoms, and ultimately multicellular organisms including dinoflagellates and zooplankton. The plastisphere alters both the physical structure of plastic and the dispersal of microorganisms — including potential pathogens — raising concerns about plastic debris as a vector for biological hitchhiking across ocean systems.
Identification of Microorganisms Related to Microplastics
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Plastic debris in aquatic environments attracts diverse microbial communities that differ from those in surrounding water, with these plastisphere microorganisms influencing both the degradation fate of plastics and the dispersal of potentially pathogenic or plastic-degrading microbes. Identifying which microorganisms colonize microplastics is essential for understanding both environmental risks and potential bioremediation opportunities.
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