A review on marine plastisphere: biodiversity, formation, and role in degradation

Du, Yuhui; Liu, Xinbei; Dong, Xusheng; Yin, Zhiqiu

doi:10.1016/j.csbj.2022.02.008

Cited by 102 publications

(54 citation statements)

References 181 publications

(232 reference statements)

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“…Other studies also show that the plastisphere is sustained by phototrophic microorganisms, which provide fixed organic carbon. , Interestingly, analyses of the composition of the heterotrophic prokaryotic community indicate that the plastisphere selects some key members of the phycosphere, which points to the important role of photoautotrophs on MP, at least temporarily. ,,,, As mentioned earlier, stress-induced EPS excretion by microalgae may stimulate phycosphere microbial communities in the plastisphere. , In addition, the plastisphere also includes the entire microbial food web with primary producers such as cyanobacteria and heterotrophs including decomposers and secondary producers such as heterotrophic protozoa and small animals. ,, Although research in this domain is still in its infancy, it is obvious that plastisphere microbial communities gradually become distinct from their planktonic counterparts. Importantly, this microbial community can also influence the fates of MP and PL. , Therefore, the corresponding alterations in metabolic pathways, lifestyles, and biogeochemical cycling have been envisaged by these studies.…”

Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 85%

“…At the same time, the plastisphere is by itself divergent, and the composition of the plastisphere is influenced by numerous and partly rapidly changing factors. These include seasons, surrounding habitats, nutritional availability, polymer type, and stage of microbial succession in the plastisphere. ,,, Yet, feedbacks and interactions between chemical compounds of MP origin, in particular PL, and microbial community dynamics remain largely unknown.…”

Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 99%

“…100 Increasing MP density renders the interplay between phytoplankton, bacterioplankton, and MP more dynamic and interesting. Microbial attachment on MP 39,101,102 as well as MP hydrophobicity and the corresponding attachment of organic matter on MP have been well documented. 14 As detailed in Figure 1, when plastic particles enter the water, observable changes occur on the plastic surfaces.…”

Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 99%

“…105 Other studies also show that the plastisphere is sustained by phototrophic microorganisms, which provide fixed organic carbon. 35,102 Interestingly, analyses of the composition of the heterotrophic prokaryotic community indicate that the plasti-sphere selects some key members of the phycosphere, which points to the important role of photoautotrophs on MP, at least temporarily. 37,38,101,106,107 As mentioned earlier, stress-induced EPS excretion by microalgae may stimulate phycosphere microbial communities in the plastisphere.…”

Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 99%

“…These include seasons, surrounding habitats, nutritional availability, polymer type, and stage of microbial succession in the plastisphere. 42,102,110,111 Yet, feedbacks and interactions between chemical compounds of MP origin, in particular PL, and microbial community dynamics remain largely unknown.…”

Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 99%

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Gross Negligence: Impacts of Microplastics and Plastic Leachates on Phytoplankton Community and Ecosystem Dynamics

Amaneesh

Balan

Silpa

et al. 2022

Environ. Sci. Technol.

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Plastic debris is an established environmental menace affecting aquatic systems globally. Recently, microplastics (MP) and plastic leachates (PL) have been detected in vital human organs, the vascular system, and in vitro animal studies positing severe health hazards. MP and PL have been found in every conceivable aquatic ecosystem�from open oceans and deep sea floors to supposedly pristine glacier lakes and snow covered mountain catchment sites. Many studies have documented the MP and PL impacts on a variety of aquatic organisms, whereby some exclusively focus on aquatic microorganisms. Yet, the specific MP and PL impacts on primary producers have not been systematically analyzed. Therefore, this review focuses on the threats posed by MP, PL, and associated chemicals on phytoplankton, their comprehensive impacts at organismal, community, and ecosystem scales, and their endogenous amelioration. Studies on MP-and PL-impacted individual phytoplankton species reveal the production of reactive oxygen species, lipid peroxidation, physical damage of thylakoids, and other physiological and metabolic changes, followed by homo-and heteroaggregations, ultimately eventuating in decreased photosynthesis and primary productivity. Likewise, analyses of the microbial community in the plastisphere show a radically different profile compared to the surrounding planktonic diversity. The plastisphere also enriches multidrug-resistant bacteria, cyanotoxins, and pollutants, accelerating microbial succession, changing the microbiome, and thus, affecting phytoplankton diversity and evolution. These impacts on cellular and community scales manifest in changed ecosystem dynamics with widespread bottom-up and top-down effects on aquatic biodiversity and food web interactions. These adverse effects�through altered nutrient cycling�have "knock-on" impacts on biogeochemical cycles and greenhouse gases. Consequently, these impacts affect provisioning and regulating ecosystem services. Our citation network analyses (CNA) further demonstrate dire effects of MP and PL on all trophic levels, thereby unsettling ecosystem stability and services. CNA points to several emerging nodes indicating combined toxicity of MP, PL, and their associated hazards on phytoplankton. Taken together, our study shows that ecotoxicity of plastic particles and their leachates have placed primary producers and some aquatic ecosystems in peril.

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Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 85%

Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 99%

Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 99%

Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 99%

Section: Is the Phytoplankton Community Resilient To Omnipresent Mp A...mentioning

confidence: 99%

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Gross Negligence: Impacts of Microplastics and Plastic Leachates on Phytoplankton Community and Ecosystem Dynamics

Amaneesh

Balan

Silpa

et al. 2022

Environ. Sci. Technol.

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Evaluation of prokaryotic and eukaryotic microbial communities on microplastic‐associated biofilms in marine and freshwater environments

Reisoglu,

Cati,

Yurtsever

et al. 2024

Engineering in Life Sciences

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Microplastics (MPs) are major concern due to their potential harm to ecosystems and most research has focused on their presence and fate, with limited attention to their biodegradation in aquatic ecosystems. Nevertheless, MPs act as hotspots for the colonization by a diverse range of microorganisms that can adhere to plastic surfaces, resulting in the subsequent formation of biofilms—a potential threat especially in terms of pathogenicity. This study employed 16S rRNA and 18S rRNA sequencing metagenomic analyses to investigate microbial communities within biofilms on plastic materials exposed to long‐term marine and freshwater environments. Three Arcobacter species (Arcobacter nitrofigilis, Arcobacter acticola, and Arcobacter suis) emerged as dominant species in M_MP sample, while Flavobacterium tructae was the predominant species within the F_MP sample. The 18S rRNA sequencing revealed the presence of the fungal phylum Ascomycota and the microalgal species Pseudocharaciopsis ovalis in F_MP. Although, the primary species detected on M_MP and F_MP samples include bacteria previously implicated as pathogen, the predominant species identified in this study were unconnected to MP‐associated biofilms or MP degradation. Their presence constitutes a novel discovery, opening promising avenues for the exploration of their potential involvement in the biodegradation of MPs within aquatic environments.

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Plastic Litter Emits the Foraging Infochemical Dimethyl Sulfide after Submersion in Freshwater Rivers

Valentine,

Hughes,

Boxall

2024

Enviro Toxic and Chemistry

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Plastic pollution is widespread throughout aquatic environments globally, with many organisms known to interact with and ingest plastic. In marine environments, microbial biofilms that form on plastic surfaces can produce the odorous compound dimethyl sulfide (DMS), which is a known foraging cue. This has been shown to increase the ingestion of plastic by some invertebrates and therefore act as a biological factor which influences the risks of plastic to marine ecosystems. In freshwater however, the production of DMS has been largely overlooked, despite the known sensitivity of some freshwater species to this compound. To address this gap, the present study analyzed the production of DMS by biofilms which formed on low‐density polyethylene and polylactic acid films after 3 and 6 weeks of submersion in either a rural or an urban United Kingdom river. Using gas chromatography–mass spectrometry, the production of DMS by these biofilms was consistently identified. The amount of DMS produced varied significantly across river locations and materials, with surfaces in the urban river generally producing a stronger signal and plastics producing up to seven times more DMS than glass control surfaces. Analysis of biofilm weight and photosynthetic pigment content indicated differences in biofilm composition across conditions and suggested that DMS production was largely driven by nonphotosynthetic taxa. For the first time this work has documented the production of DMS by plastic litter after submersion in freshwater rivers. Further work is now needed to determine if, as seen in marine systems, this production of DMS can encourage the interaction of freshwater organisms with plastic litter and therefore operate as a biological risk factor in the impacts of plastic on freshwater environments. Environ Toxicol Chem 2024;00:1–12. © 2024 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.

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A review on marine plastisphere: biodiversity, formation, and role in degradation

Cited by 102 publications

References 181 publications

Gross Negligence: Impacts of Microplastics and Plastic Leachates on Phytoplankton Community and Ecosystem Dynamics

Gross Negligence: Impacts of Microplastics and Plastic Leachates on Phytoplankton Community and Ecosystem Dynamics

Evaluation of prokaryotic and eukaryotic microbial communities on microplastic‐associated biofilms in marine and freshwater environments

Plastic Litter Emits the Foraging Infochemical Dimethyl Sulfide after Submersion in Freshwater Rivers

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