Research advances on impacts micro/nanoplastics and their carried pollutants on algae in aquatic ecosystems: A review

Zhao, Yifei; Tao, Shiyu; Liu, Shiwei; Hu, Tong; Zheng, Kaixuan; Shen, Maocai; Meng, Guanhua

doi:10.1016/j.aquatox.2023.106725

Cited by 14 publications

(7 citation statements)

References 98 publications

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“…A recent review paper systematically presented the toxicological effects of MPLs/NPLs on phytoplankton and aquatic environment [43]. Additionally, the behavior and adverse effects of PS NPLs with positive and negative surface charges to marine plankton were reviewed [44].…”

Section: Advances In Research On the Toxicity Of Npls To Phytoplanktonmentioning

confidence: 99%

Progress in Research on the Bioavailability and Toxicity of Nanoplastics to Freshwater Plankton

Slaveykova,

Marelja

2023

Microplastics

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The present review critically examines the advancements in the past 5 years regarding research on the bioavailability and toxicity of the nanoplastics (NPLs) to freshwater plankton. We discuss the recent progress in the understanding of adsorption, absorption, trophic transfer, and biological effects in phyto- and zooplankton induced by NPLs exposure. The influence of plankton on NPLs’ bioavailability via the excretion of biomolecules and formation of eco-corona is also examined. Despite important research developments, there are still considerable knowledge gaps with respect to NPLs’ bioavailability and trophic transfer by plankton as well as a potential adverse effect in natural aquatic systems. As plankton play a critical role in primary production, nutrient cycling, and food web structure, understanding the interactions between NPLs and plankton is essential in assessing the potential implications of NPLs pollution for aquatic ecosystem biodiversity and services.

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Section: Advances In Research On the Toxicity Of Npls To Phytoplanktonmentioning

confidence: 99%

Progress in Research on the Bioavailability and Toxicity of Nanoplastics to Freshwater Plankton

Slaveykova,

Marelja

2023

Microplastics

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“…15 Previous studies have demonstrated the toxic effects of NPs on organisms such as zebrafish, phytoplankton, and benthic organisms. 7,16,17 However, there are relatively few studies on the impact of NPs on the asexual reproduction of aquatic vascular plants.…”

Section: Introductionmentioning

confidence: 99%

“…20 NPs can affect photosynthetic efficiency, gene expression, and carbon metabolism in algae. 17 The long-term presence of polystyrene NPs caused the upregulation of genes related to the response to stimuli and to oxidative and osmotic stress. 21 Thus, NPs cause a higher bioavailability for floating vascular macrophytes and pose potential risks to the strength and stability of associated ecosystem services.…”

Section: Introductionmentioning

confidence: 99%

“…NPs are not only small in size but also have an enormous surface area, thereby causing more serious cytotoxicity for vascular plants . Previous studies have demonstrated the toxic effects of NPs on organisms such as zebrafish, phytoplankton, and benthic organisms. ,, However, there are relatively few studies on the impact of NPs on the asexual reproduction of aquatic vascular plants.…”

Section: Introductionmentioning

confidence: 99%

“…In addition, polystyrene NPs negatively affect functional genes related to nitrogen cycling in sludge, which in turn affects the nitrogen conversion efficiency . NPs can affect photosynthetic efficiency, gene expression, and carbon metabolism in algae . The long-term presence of polystyrene NPs caused the upregulation of genes related to the response to stimuli and to oxidative and osmotic stress .…”

Section: Introductionmentioning

confidence: 99%

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Can “Risk-Sharing” Mechanisms Help Clonal Aquatic Plants Mitigate the Stress of Nanoplastics?

Yu,

Jia,

Shen

et al. 2024

Environ. Sci. Technol.

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Most aquatic plants applied to ecological restoration have demonstrated a clonal growth pattern. The risk-spreading strategy plays a crucial role in facilitating clonal plant growth under external environmental stresses via clonal integration. However, the effects of different concentrations of nanoplastics (NPs) on the growth traits of clonal aquatic plants are not well understood. Therefore, this study aimed to investigate the impact of NPs exposure on seedlings of parent plants and connected offspring ramets. A dose response experiment (0.1, 1, and 10 mg L −1 ) showed that the growth of Eichhornia crassipes (water hyacinth) was affected by 100 nm polystyrene nanoplastics after 28 days of exposure. Tracer analysis revealed that NPs are accumulated by parent plants and transferred to offspring ramets through stolon. Quantification analysis showed that when the parent plant was exposed to 10 mg L −1 NPs alone for 28 days, the offspring ramets contained approximately 13 ± 2 μg/g NPs. In the case of connected offspring ramets, leaf and root biomass decreased by 24%−51% and 32%−51%, respectively, when exposed to NP concentrations ranging from 0.1 to 10 mg L −1 . Excessive enrichment of NPs had a detrimental effect on the photosynthetic system, decreasing the chlorophyll content and nonphotochemical quenching. An imbalance in the antioxidant defense systems, which were unable to cope with the oxidative stress caused by NP concentrations, further damaged various organs. The root system can take up NPs and then transfer them to the offspring through the stolon. Interference effects of NPs were observed in terms of root activity, metabolism, biofilm composition, and the plant's ability to purify water. However, the risk-spreading strategy employed by parent plants (interconnected offspring ramets) offered some relief from NP-induced stress, as it increased their relative growth rate by 1 to 1.38 times compared to individual plants. These findings provide substantial evidence of the high NP enrichment capacity of E. crassipes for ecological remediation. Nevertheless, we must also remain aware of the environmental risk associated with the spread of NPs within the clonal system of E. crassipes, and contaminated cloned individuals need to be precisely removed in a timely manner to maintain normal functions.

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Water Pollution: Transportation, Fate and Its Hazardous Impacts on the Biosphere

Bharani,

Papitha,

Ravi

et al. 2024

Emerging Trends in Microbial Electrochemical Technologies for Sustainable Mitigation of Water Resources Contamination

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Research advances on impacts micro/nanoplastics and their carried pollutants on algae in aquatic ecosystems: A review

Cited by 14 publications

References 98 publications

Progress in Research on the Bioavailability and Toxicity of Nanoplastics to Freshwater Plankton

Progress in Research on the Bioavailability and Toxicity of Nanoplastics to Freshwater Plankton

Can “Risk-Sharing” Mechanisms Help Clonal Aquatic Plants Mitigate the Stress of Nanoplastics?

Water Pollution: Transportation, Fate and Its Hazardous Impacts on the Biosphere

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