The pervasive use of plastics in modern society necessitates the incorporation of organic additives to enhance their performance.However,the leachability of these additives and their potential adverse effects on envir...The pervasive use of plastics in modern society necessitates the incorporation of organic additives to enhance their performance.However,the leachability of these additives and their potential adverse effects on environmental and biological health have raised significant concerns.This review provides a comprehensive evaluation of the factors influencing the release of organic additives from plastics and examines their detrimental impacts on organisms and humans.It discusses effective degradation tech-niques,such as photodegradation and biodegradation,to mitigate these adverse effects.Furthermore,this review explores recent advancements in eco-friendly plastic additives,including bio-based plasti-cizers,flame retardants,antioxidants,and environmentally friendly non-biobased additives.It highlights their potential as alternatives to traditional additives.This review integrates the latest research findings and emerging trends,underscoring the need for continued research and development of sustainable solutions.It aims to facilitate the transition to environmentally friendly degradation techniques and greener plastic additives.This effort contributes to environmental protection and sustainable development,providing crucial guidance and insights for future research and practical applications.展开更多
Microplastics(MPs)and antibiotic resistance genes(ARGs)pose significant challenges to the One Health framework due to their intricate and multifaceted ecological and environmental impacts.However,the understanding of ...Microplastics(MPs)and antibiotic resistance genes(ARGs)pose significant challenges to the One Health framework due to their intricate and multifaceted ecological and environmental impacts.However,the understanding of how MP properties influence ARG prevalence in mariculture sediments remains limited.Herein,the polystyrene(PS)and polyvinyl chloride(PVC)MPs with different sizes(20-120μm and 0.5-2.0 mm)were selected to evaluate their impacts and underlying mechanisms driving ARGs dissemination.The results showed that PS and PVC MPs increased the relative abundance of ARGs by 1.41-2.50-fold and 2.01-2.84-fold,respectively,compared with control,particularly high-risk genes.The polymer type effect was identified as more influential than the size effect in driving the sediment resistome evolution.PVC shifted the microbial community assembly from stochastic to deterministic processes,thus enriching ARG host pathogens.Furthermore,the highly hydrophobic PS not only recruited the host bacteria colonization but also facilitated ARG exchange within the plastisphere.The exogenous additives released by PVC(e.g.,heavy metals,bisphenol A,and tridecyl ester)and the particles synergistically promoted ARG conjugative transfer by inducing oxidative stress and enhancing cell membrane permeability.These findings revealed how MPs characteristics facilitated the spread of ARGs in marine benthic ecosystems,underscoring the importance of mitigating MPs pollution to maintain mariculture ecosystem health,prevent zoonotic diseases,and balance global mariculture with ecological health.展开更多
The ubiquitous occurrence of plastic nano-and micro-particle contamination has raised concerns about its potential risks and impacts on the global environment,especially in aquatic ecosystems.Hundreds of aquatic speci...The ubiquitous occurrence of plastic nano-and micro-particle contamination has raised concerns about its potential risks and impacts on the global environment,especially in aquatic ecosystems.Hundreds of aquatic species,from different trophic levels,have been affected by this“new”contaminant,which has been reported mainly in their digestive tracts.Consequently,current knowledge about plastic nano-and micro-particle spread and the potential impact on aquatic biota is growing rapidly.However,there is a significant lack of understanding of the trophic spread of microplastic contamination and integration of knowledge derived from laboratory assays with that from field research is difficult.Field experiments are unable to deal with differentiating between directly and indirectly ingested plastic microparticles.On the other hand,laboratory assays evaluating the influence of plastic microparticles and of their adhered or constitutive toxins on representative species cannot satisfactorily simulate the real environment.As a result,little is known about the effective transfer of plastic particles through the trophic net and the resulting human health risks.The present review seeks to gather information that can give a more accurate idea of the current situation and future challenges to be faced in mitigating the environmental and human effects of plastic particle pollution in aquatic,particularly estuarine,ecosystems.展开更多
基金supported by the Excellent Youth Science Foundation of BAAFS(YXQN202201)the Natural Science Foundation of Beijing Municipality(8222046)the Capacity-building Projects by the BAAFS(KJCX20240510-1).
文摘The pervasive use of plastics in modern society necessitates the incorporation of organic additives to enhance their performance.However,the leachability of these additives and their potential adverse effects on environmental and biological health have raised significant concerns.This review provides a comprehensive evaluation of the factors influencing the release of organic additives from plastics and examines their detrimental impacts on organisms and humans.It discusses effective degradation tech-niques,such as photodegradation and biodegradation,to mitigate these adverse effects.Furthermore,this review explores recent advancements in eco-friendly plastic additives,including bio-based plasti-cizers,flame retardants,antioxidants,and environmentally friendly non-biobased additives.It highlights their potential as alternatives to traditional additives.This review integrates the latest research findings and emerging trends,underscoring the need for continued research and development of sustainable solutions.It aims to facilitate the transition to environmentally friendly degradation techniques and greener plastic additives.This effort contributes to environmental protection and sustainable development,providing crucial guidance and insights for future research and practical applications.
基金was supported by the National Natural Science Foundation of China(42077115,42377238,42307515)the National Science Fund for Distinguished Young Scholars of Shandong Province(ZR2021JQ13)+1 种基金the Hainan Provincial Key Research and Development Projects(ZDYF2022SHFZ018)the Postdoctoral Fellowship Program of CPSF(GZC20232496).
文摘Microplastics(MPs)and antibiotic resistance genes(ARGs)pose significant challenges to the One Health framework due to their intricate and multifaceted ecological and environmental impacts.However,the understanding of how MP properties influence ARG prevalence in mariculture sediments remains limited.Herein,the polystyrene(PS)and polyvinyl chloride(PVC)MPs with different sizes(20-120μm and 0.5-2.0 mm)were selected to evaluate their impacts and underlying mechanisms driving ARGs dissemination.The results showed that PS and PVC MPs increased the relative abundance of ARGs by 1.41-2.50-fold and 2.01-2.84-fold,respectively,compared with control,particularly high-risk genes.The polymer type effect was identified as more influential than the size effect in driving the sediment resistome evolution.PVC shifted the microbial community assembly from stochastic to deterministic processes,thus enriching ARG host pathogens.Furthermore,the highly hydrophobic PS not only recruited the host bacteria colonization but also facilitated ARG exchange within the plastisphere.The exogenous additives released by PVC(e.g.,heavy metals,bisphenol A,and tridecyl ester)and the particles synergistically promoted ARG conjugative transfer by inducing oxidative stress and enhancing cell membrane permeability.These findings revealed how MPs characteristics facilitated the spread of ARGs in marine benthic ecosystems,underscoring the importance of mitigating MPs pollution to maintain mariculture ecosystem health,prevent zoonotic diseases,and balance global mariculture with ecological health.
文摘The ubiquitous occurrence of plastic nano-and micro-particle contamination has raised concerns about its potential risks and impacts on the global environment,especially in aquatic ecosystems.Hundreds of aquatic species,from different trophic levels,have been affected by this“new”contaminant,which has been reported mainly in their digestive tracts.Consequently,current knowledge about plastic nano-and micro-particle spread and the potential impact on aquatic biota is growing rapidly.However,there is a significant lack of understanding of the trophic spread of microplastic contamination and integration of knowledge derived from laboratory assays with that from field research is difficult.Field experiments are unable to deal with differentiating between directly and indirectly ingested plastic microparticles.On the other hand,laboratory assays evaluating the influence of plastic microparticles and of their adhered or constitutive toxins on representative species cannot satisfactorily simulate the real environment.As a result,little is known about the effective transfer of plastic particles through the trophic net and the resulting human health risks.The present review seeks to gather information that can give a more accurate idea of the current situation and future challenges to be faced in mitigating the environmental and human effects of plastic particle pollution in aquatic,particularly estuarine,ecosystems.
