1
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Zhang L, Vaccari F, Bandini F, Puglisi E, Trevisan M, Lucini L. The short-term effect of microplastics in lettuce involves size- and dose-dependent coordinate shaping of root metabolome, exudation profile and rhizomicrobiome. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:174001. [PMID: 38879040 DOI: 10.1016/j.scitotenv.2024.174001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 06/02/2024] [Accepted: 06/12/2024] [Indexed: 06/22/2024]
Abstract
Micro- and nano-plastics (MNPs) in the soil can impact the microbial diversity within rhizospheres and induce modifications in plants' morphological, physiological, and biochemical parameters. However, a significant knowledge gap still needs to be addressed regarding the specific effects of varying particle sizes and concentrations on the comprehensive interplay among soil dynamics, root exudation, and the overall plant system. In this sense, different omics techniques were employed to clarify the mechanisms of the action exerted by four different particle sizes of polyethylene plastics considering four different concentrations on the soil-roots exudates-plant system was studied using lettuce (Lactuca sativa L. var. capitata) as a model plant. The impact of MNPs was investigated using a multi-omics integrated approach, focusing on the tripartite interaction between the root metabolic process, exudation pattern, and rhizosphere microbial modulation. Our results showed that particle size and their concentrations significantly modulated the soil-roots exudates-plant system. Untargeted metabolomics highlighted that fatty acids, amino acids, and hormone biosynthesis pathways were significantly affected by MNPs. Additionally, they were associated with the reduction of rhizosphere bacterial α-diversity, following a size-dependent trend for specific taxa. The omics data integration highlighted a correlation between Pseudomonadata and Actinomycetota phyla and Bacillaceae family (Peribacillus simplex) and the exudation of flavonoids, phenolic acids, and lignans in lettuce exposed to increasing sizes of MNPs. This study provides a novel insight into the potential effects of different particle sizes and concentrations of MNPs on the soil-plant continuum, providing evidence about size- and concentration-dependent effects, suggesting the need for further investigation focused on medium- to long-term exposure.
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Affiliation(s)
- Leilei Zhang
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Filippo Vaccari
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Francesca Bandini
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Edoardo Puglisi
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Marco Trevisan
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Luigi Lucini
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy.
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2
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Rekik H, Arab H, Pichon L, El Khakani MA, Drogui P. Per-and polyfluoroalkyl (PFAS) eternal pollutants: Sources, environmental impacts and treatment processes. CHEMOSPHERE 2024; 358:142044. [PMID: 38648982 DOI: 10.1016/j.chemosphere.2024.142044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 04/03/2024] [Accepted: 04/04/2024] [Indexed: 04/25/2024]
Abstract
Per- and polyfluoroalkyl substances (PFAS) have become a growing environmental concern due to their tangible impacts on human health. However, due to the large number of PFAS compounds and the analytical difficulty to identify all of them, there are still some knowledge gaps not only on their impact on human health, but also on how to manage them and achieve their effective degradation. PFAS compounds originate from man-made chemicals that are resistant to degradation because of the presence of the strong carbon-fluorine bonds in their chemical structure. This review consists of two parts. In the first part, the environmental effects of fluorinated compound contamination in water are covered with the objective to highlight how their presence in the environment adversely impacts the human health. In the second part, the focus is put on the different techniques available for the degradation and/or separation of PFAS compounds in different types of waters. Examples of removal/treatment of PFAS present in either surface or ground water are presented.
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Affiliation(s)
- Hela Rekik
- Institut National de la Recherche Scientifique (INRS) - Centre Eau Terre Environnement (ETE), 490 Rue de la Couronne, Québec (QC), G1K 9A9, Canada
| | - Hamed Arab
- Institut National de la Recherche Scientifique (INRS) - Centre Eau Terre Environnement (ETE), 490 Rue de la Couronne, Québec (QC), G1K 9A9, Canada
| | - Loick Pichon
- Institut National de la Recherche Scientifique, Centre Énergie, Matériaux et Télécommunications, 1650, Blvd, Lionel-Boulet, Varennes, QC, J3X-1P7, Canada
| | - My Ali El Khakani
- Institut National de la Recherche Scientifique, Centre Énergie, Matériaux et Télécommunications, 1650, Blvd, Lionel-Boulet, Varennes, QC, J3X-1P7, Canada
| | - Patrick Drogui
- Institut National de la Recherche Scientifique (INRS) - Centre Eau Terre Environnement (ETE), 490 Rue de la Couronne, Québec (QC), G1K 9A9, Canada.
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3
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Chukwuka AV, Adeogun AO. Predicting the dynamics of per- and polyfluoroalkyl substances in coastal regions of Africa: vulnerability index and adverse ecological pathways from remote-sensed variables. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:573. [PMID: 38780819 DOI: 10.1007/s10661-024-12723-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 05/13/2024] [Indexed: 05/25/2024]
Abstract
This study aimed to predict the dynamics of per- and polyfluoroalkyl substance (PFAS) contamination and ecological vulnerability within coastal regions of Africa utilizing time-averaged remote-sensed data patterns from 2020 to 2023. The analysis identified PFAS contamination hotspots along the coast of Africa, particularly in western Africa around Nigeria and in areas spanning Equatorial Guinea and Guinea-Bissau, with risk influenced by eastward wind patterns, overland runoff, and elevated aerosol optical depth (AOD) values. Regional trends indicated that variations in solar energy absorption and surface air temperature could influence PFAS dynamics in North Africa, South Africa, East Africa, and West Africa. In North Africa, intermediate overland runoff and lower sea-surface temperatures were observed. In South Africa, there were intermediate runoff levels and warmer sea-surface temperatures. East Africa experienced intermediate runoff as well. In West Africa, there was increased susceptibility to high overland runoff and aerosol-related PFAS contamination. From the weighted vulnerability index, significant disparities in environmental conditions across African coastal regions revealed that North Africa had relatively lower vulnerability, while West Africa had the highest susceptibility to per- and polyfluoroalkyl substance (PFAS) contamination. This study emphasizes the necessity for region-specific vulnerability index models and targeted mitigation strategies to address diverse ecological and health risks from PFAS contamination along the African coast. Regional and international collaboration, spearheaded by organizations such as the AU and ECOWAS, is essential, with tailored policies aligned with the SDGs, Agenda 2063, and NEPAD crucial for effective environmental management, urging policymakers to prioritize cooperation and resource sharing for comprehensive sustainability goals.
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Affiliation(s)
- Azubuike Victor Chukwuka
- Environmental Quality Control Department, National Environmental Standards and Regulations Enforcement Agency (NESREA), Osogbo, Nigeria.
| | - Aina O Adeogun
- Hydrobiology and Fisheries Unit, Department of Zoology, University of Ibadan, Ibadan, Nigeria
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4
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Jaffé PR, Huang S, Park J, Ruiz-Urigüen M, Shuai W, Sima M. Defluorination of PFAS by Acidimicrobium sp. strain A6 and potential applications for remediation. Methods Enzymol 2024; 696:287-320. [PMID: 38658084 DOI: 10.1016/bs.mie.2024.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Acidimicrobium sp. strain A6 is a recently discovered autotrophic bacterium that is capable of oxidizing ammonium while reducing ferric iron and is relatively common in acidic iron-rich soils. The genome of Acidimicrobium sp. strain A6 contains sequences for several reductive dehalogenases, including a gene for a previously unreported reductive dehalogenase, rdhA. Incubations of Acidimicrobium sp. strain A6 in the presence of perfluorinated substances, such as PFOA (perfluorooctanoic acid, C8HF15O2) or PFOS (perfluorooctane sulfonic acid, C8HF17O3S), have shown that fluoride, as well as shorter carbon chain PFAAs (perfluoroalkyl acids), are being produced, and the rdhA gene is expressed during these incubations. Results from initial gene knockout experiments indicate that the enzyme associated with the rdhA gene plays a key role in the PFAS defluorination by Acidimicrobium sp. strain A6. Experiments focusing on the defluorination kinetics by Acidimicrobium sp. strain A6 show that the defluorination kinetics are proportional to the amount of ammonium oxidized. To explore potential applications for PFAS bioremediation, PFAS-contaminated biosolids were augmented with Fe(III) and Acidimicrobium sp. strain A6, resulting in PFAS degradation. Since the high demand of Fe(III) makes growing Acidimicrobium sp. strain A6 in conventional rectors challenging, and since Acidimicrobium sp. strain A6 was shown to be electrogenic, it was grown in the absence of Fe(III) in microbial electrolysis cells, where it did oxidize ammonium and degraded PFAS.
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Affiliation(s)
- Peter R Jaffé
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ, United States.
| | - Shan Huang
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ, United States
| | - Jinhee Park
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ, United States
| | - Melany Ruiz-Urigüen
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ, United States; Colegio de Ciencias e Ingenierías, Universidad San Francisco de Quito USFQ, Ecuador
| | - Weitao Shuai
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ, United States; Department of Civil and Environmental Engineering, Northwestern University, Princeton, NJ, United States
| | - Matthew Sima
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ, United States
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5
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Choi G, Kan E. Effects of perfluorooctanoic acid and perfluorooctane sulfonic acid on microbial community structure during anaerobic digestion. BIORESOURCE TECHNOLOGY 2024; 393:129999. [PMID: 37980946 DOI: 10.1016/j.biortech.2023.129999] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 11/07/2023] [Accepted: 11/07/2023] [Indexed: 11/21/2023]
Abstract
Per- and polyfluoroalkyl substances (PFASs) are recalcitrant organic pollutants, which accumulate widely in aquatic and solid matrices. Anaerobic digestion (AD) is one of possible options to manage organic wastes containing PFASs, however, the impacts of different types of PFAS on AD remains unclear. This study aimed to critically investigate the effects of two representative PFAS compounds, i.e., perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS), on the AD performance and microbial community structure. 100 mg/L of both PFOA and PFOS considerably inhibited the AD performance and changed the microbial community structure. Especially, PFOA was more toxic to bacterial and archaeal activity than PFOS, which was reflected in AD performance. In addition, the sulfonic acid group in PFOS affected the changes in microbial community structure by inducing abundant sulfate reducing bacteria (i.e., Desulfobacterota). This study provides a significant reference to the response of AD system on different PFAS types and dosage.
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Affiliation(s)
- Gyucheol Choi
- Department of Biological and Agricultural Engineering & Texas A&M AgriLife Research Center' Texas A&M University, TX 77843, USA
| | - Eunsung Kan
- Department of Biological and Agricultural Engineering & Texas A&M AgriLife Research Center' Texas A&M University, TX 77843, USA; Department of Wildlife, Sustainability, and Ecosystem Sciences, Tarleton State University, TX 76401, USA.
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6
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Wu E, Wang K, Liu Z, Wang J, Yan H, Zhu X, Zhu X, Chen B. Metabolic and Microbial Profiling of Soil Microbial Community under Per- and Polyfluoroalkyl Substance (PFAS) Stress. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:21855-21865. [PMID: 38086098 DOI: 10.1021/acs.est.3c07020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) represent significant stress to organisms and are known to disrupt microbial community structure and function. Nevertheless, a detailed knowledge of the soil microbial community responding to PFAS stress at the metabolism level is required. Here we integrated UPLC-HRMS-based metabolomics data with 16S rRNA and ITS amplicon data across soil samples collected adjacent to a fluoropolymer production facility to directly identify the biochemical intermediates in microbial metabolic pathways and the interactions with microbial community structure under PFAS stress. A strong correlation between metabolite and microbial diversity was observed, which demonstrated significant variations in soil metabolite profiles and microbial community structures along with the sampling locations relative to the facility. Certain key metabolites were identified in the metabolite-PFAS co-occurrence network, functioning on microbial metabolisms including lipid metabolism, amino acid metabolism, and secondary metabolite biosynthesis. These results provide novel insights into the impacts of PFAS contamination on soil metabolomes and microbiomes. We suggest that soil metabolomics is an informative and useful tool that could be applied to reinforce the chemical evidence on the disruption of microbial ecological traits.
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Affiliation(s)
- Enhui Wu
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Kun Wang
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Zhengzheng Liu
- Zhejiang Key Laboratory of Ecological and Environmental Monitoring, Forewarning and Quality Control, Zhejiang Ecological and Environmental Monitoring Center, Hangzhou 310012, People's Republic of China
| | - Jing Wang
- Zhejiang Key Laboratory of Ecological and Environmental Monitoring, Forewarning and Quality Control, Zhejiang Ecological and Environmental Monitoring Center, Hangzhou 310012, People's Republic of China
| | - Huicong Yan
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Xiangyu Zhu
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Xiaomin Zhu
- College of Resources and Environment, Anhui Agricultural University, Hefei 230036, People's Republic of China
| | - Baoliang Chen
- Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
- Innovation Center of Yangtze River Delta, Zhejiang University, Haining, Zhejiang 311400, People's Republic of China
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7
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Jiang W, Chen R, Lyu J, Qin L, Wang G, Chen X, Wang Y, Yin C, Mao Z. Remediation of the microecological environment of heavy metal-contaminated soil with fulvic acid, improves the quality and yield of apple. JOURNAL OF HAZARDOUS MATERIALS 2023; 460:132399. [PMID: 37647659 DOI: 10.1016/j.jhazmat.2023.132399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 08/04/2023] [Accepted: 08/23/2023] [Indexed: 09/01/2023]
Abstract
The excessive application of chemical fertilizers and pesticides in apple orchards is responsible for high levels of manganese and copper in soil, and this poses a serious threat to soil health. We conducted a three-year field experiment to study the remediation effect and mechanism of fulvic acid on soil with excess manganese and copper. The exogenous application of fulvic acid significantly reduced the content of manganese and copper in soil and plants; increased the content of calcium; promoted the growth of apple plants; improved the fruit quality and yield of apple; increased the content of chlorophyll; increased the activity of superoxide dismutase, peroxidase, and catalase; and reduced the content of malondialdehyde. The number of soil culturable microorganisms, soil enzyme activity, soil microbial community diversity, and relative abundance of functional bacteria were increased, and the detoxification of the glutathione metabolism function was enhanced. The results of this study provide new insights that will aid the remediation of soil with excess manganese and copper using fulvic acid.
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Affiliation(s)
- Weitao Jiang
- College of Horticulture Science and Engineering Shandong Agricultural University, Tai'an, Shandong 271018, PR China; Apple Technology Innovation Center of Shandong Province, Tai'an, Shandong 271018, PR China
| | - Ran Chen
- College of Horticulture Science and Engineering Shandong Agricultural University, Tai'an, Shandong 271018, PR China; Apple Technology Innovation Center of Shandong Province, Tai'an, Shandong 271018, PR China
| | - Jinhui Lyu
- College of Horticulture Science and Engineering Shandong Agricultural University, Tai'an, Shandong 271018, PR China; Apple Technology Innovation Center of Shandong Province, Tai'an, Shandong 271018, PR China
| | - Lei Qin
- College of Horticulture Science and Engineering Shandong Agricultural University, Tai'an, Shandong 271018, PR China; Apple Technology Innovation Center of Shandong Province, Tai'an, Shandong 271018, PR China
| | - Gongshuai Wang
- College of Forestry Engineering Shandong Agriculture and Engineering University, Ji'nan, Shandong 250000, PR China
| | - Xuesen Chen
- College of Horticulture Science and Engineering Shandong Agricultural University, Tai'an, Shandong 271018, PR China; Apple Technology Innovation Center of Shandong Province, Tai'an, Shandong 271018, PR China
| | - Yanfang Wang
- College of Chemistry and Material Science Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Chengmiao Yin
- College of Horticulture Science and Engineering Shandong Agricultural University, Tai'an, Shandong 271018, PR China; Apple Technology Innovation Center of Shandong Province, Tai'an, Shandong 271018, PR China.
| | - Zhiquan Mao
- College of Horticulture Science and Engineering Shandong Agricultural University, Tai'an, Shandong 271018, PR China; Apple Technology Innovation Center of Shandong Province, Tai'an, Shandong 271018, PR China.
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8
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Shen Y, Zeng Z, Yue X, Li H, Bonnet H, Zhou L, Zhuang WQ. The impact of perfluorooctanoic acid shock on hydrogen-driven nitrate and arsenate removal. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122261. [PMID: 37499971 DOI: 10.1016/j.envpol.2023.122261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 07/23/2023] [Accepted: 07/24/2023] [Indexed: 07/29/2023]
Abstract
Perfluorooctanoic acid (PFOA) is a type of toxic per- and poly-fluoroalkyl substance (PFAS) commonly found in groundwater due to its use in firefighting and industrial applications. The main purpose of this study was to investigate the influence of PFOA shock on the biological performance of a hydrogen-driven bioreactor for nitrate and arsenate removal. Four hydrogen-driven removal reactors (HdBRs) used for the simultaneous removal of nitrate and arsenal were operated with concentrations of either 0, 1, 5, and 10 mg/L of PFOA to induce shock on the systems and examine the corresponding bacterial response. Our results showed that PFOA shock inhibited and decreased the maximum hydrogen-driven arsenate removal rate. Principal Component Analysis (PCA) confirmed that this performance decrease occurred due to a bacterial strike triggered by PFOA shock. PFOA toxicity also led to protein secretion and sludge density decreases. Bacterial analyses showed shifts in the community population due to PFOA shock. The dominant bacteria phylum Proteobacteria became more abundant, from 41.24% originally to 48.29% after exposure to 10 mg/L of PFOA. Other phyla, such as Euryarchaeota and Bacteroidetes, were more tolerant to PFOA shock. Although some of the predominant species within the sludge of each HdBR exhibited a decline, other species with similar functions persisted and assumed the functional responsibilities previously held by the dominant species.
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Affiliation(s)
- Yichang Shen
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Zhihang Zeng
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xi Yue
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Haixiang Li
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, Guangxi, 541004, China
| | - Hukerenui Bonnet
- Department of Civil and Environmental Engineering, The University of Auckland, Auckland, 1142, New Zealand
| | - Lijie Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Wei-Qin Zhuang
- Department of Civil and Environmental Engineering, The University of Auckland, Auckland, 1142, New Zealand
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9
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Lukić Bilela L, Matijošytė I, Krutkevičius J, Alexandrino DAM, Safarik I, Burlakovs J, Gaudêncio SP, Carvalho MF. Impact of per- and polyfluorinated alkyl substances (PFAS) on the marine environment: Raising awareness, challenges, legislation, and mitigation approaches under the One Health concept. MARINE POLLUTION BULLETIN 2023; 194:115309. [PMID: 37591052 DOI: 10.1016/j.marpolbul.2023.115309] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 07/09/2023] [Accepted: 07/16/2023] [Indexed: 08/19/2023]
Abstract
Per- and polyfluorinated alkyl substances (PFAS) have long been known for their detrimental effects on the ecosystems and living organisms; however the long-term impact on the marine environment is still insufficiently recognized. Based on PFAS persistence and bioaccumulation in the complex marine food network, adverse effects will be exacerbated by global processes such as climate change and synergies with other pollutants, like microplastics. The range of fluorochemicals currently included in the PFAS umbrella has significantly expanded due to the updated OECD definition, raising new concerns about their poorly understood dynamics and negative effects on the ocean wildlife and human health. Mitigation challenges and approaches, including biodegradation and currently studied materials for PFAS environmental removal are proposed here, highlighting the importance of ongoing monitoring and bridging research gaps. The PFAS EU regulations, good practices and legal frameworks are discussed, with emphasis on recommendations for improving marine ecosystem management.
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Affiliation(s)
- Lada Lukić Bilela
- Department of Biology, Faculty of Science, University of Sarajevo, Sarajevo, Bosnia and Herzegovina.
| | - Inga Matijošytė
- Institute of Biotechnology, Life Sciences Center, Vilnius University, Sauletekio ave. 7, Vilnius, Lithuania.
| | - Jokūbas Krutkevičius
- Institute of Biotechnology, Life Sciences Center, Vilnius University, Sauletekio ave. 7, Vilnius, Lithuania.
| | - Diogo A M Alexandrino
- CIIMAR Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Porto, Portugal; Department of Environmental Health, School of Health, P. Porto, Porto, Portugal.
| | - Ivo Safarik
- Department of Nanobiotechnology, Biology Centre, ISBB, CAS, Na Sadkach 7, 370 05 Ceske Budejovice, Czech Republic; Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic
| | - Juris Burlakovs
- Mineral and Energy Economy Research Institute of Polish Academy of Sciences, Józefa Wybickiego 7 A, 31-261 Kraków, Poland.
| | - Susana P Gaudêncio
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal; UCIBIO - Applied Molecular Biosciences Unit, Chemistry Department, NOVA Faculty for Sciences and Technology, NOVA University of Lisbon, 2819-516 Caparica, Portugal.
| | - Maria F Carvalho
- CIIMAR Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Porto, Portugal; School of Medicine and Biomedical Sciences (ICBAS), University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
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10
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Shittu AR, Iwaloye OF, Ojewole AE, Rabiu AG, Amechi MO, Herve OF. The effects of per- and polyfluoroalkyl substances on environmental and human microorganisms and their potential for bioremediation. Arh Hig Rada Toksikol 2023; 74:167-178. [PMID: 37791672 PMCID: PMC10549896 DOI: 10.2478/aiht-2023-74-3708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 01/01/2023] [Accepted: 08/01/2023] [Indexed: 10/05/2023] Open
Abstract
Utilised in a variety of consumer products, per- and polyfluoroalkyl substances (PFAS) are major environmental contaminants that accumulate in living organisms due to their highly hydrophobic, lipophobic, heat-resistant, and non-biodegradable properties. This review summarizes their effects on microbial populations in soils, aquatic and biogeochemical systems, and the human microbiome. Specific microbes are insensitive to and even thrive with PFAS contamination, such as Escherichia coli and the Proteobacteria in soil and aquatic environments, while some bacterial species, such as Actinobacteria and Chloroflexi, are sensitive and drop in population. Some bacterial species, in turn, have shown success in PFAS bioremediation, such as Acidimicrobium sp. and Pseudomonas parafulva.
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Affiliation(s)
- Adenike R. Shittu
- Bowling Green State University College of Arts and Sciences, Department of Biological Sciences, Bowling Green, OH, USA
| | - Opeoluwa F. Iwaloye
- Bowling Green State University College of Arts and Sciences, Department of Biological Sciences, Bowling Green, OH, USA
| | - Akinloye E. Ojewole
- Southern Illinois University, Department of Environmental Sciences, Edwardsville, IL, USA
| | - Akeem G. Rabiu
- University of Ibadan, Department of Microbiology, Ibadan, Nigeria
| | - Miracle O. Amechi
- University of Louisville, Department of Chemistry, Louisville, KY, USA
| | - Ouambo F. Herve
- Chantal Biya International Reference Centre, Laboratory of Vaccinology, Yaounde, Cameroon
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11
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Pan J, Dong Q, Wen H, Liu Y, Wang X, Liu Y, Zhang X, Shi C, Zhao D, Lu X. Composition and Diversity of Endophytic Rhizosphere Microbiota in Apple Tree with Different Ages. Mol Biotechnol 2023:10.1007/s12033-023-00794-z. [PMID: 37523021 DOI: 10.1007/s12033-023-00794-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 06/14/2023] [Indexed: 08/01/2023]
Abstract
In order to determine the underlying mechanism of the senescence occurring in older apple trees, the effects of tree age on the community structure and dominant genus of endophytic rhizosphere bacteria in apple were investigated. The diversity and structure of the bacterial communities and corresponding changes in the dominant genera of endophytic rhizosphere bacteria of apple at different ages (2, 8, 16, 22 years) were compared based on 16S rRNA high-throughput sequencing technology. The results revealed that the longer the tree age, the less the number of ASV in the endophytic bacteria. Moreover, the number of ASV in the endophytic bacteria gradually decreased as the tree age increased, however no significant changes were observed in the alpha diversity. At the phyla level, the relative abundance of Actinobacteria increased, while that of Proteobateria decreased. At the genus level, the relative abundance of Mycobacterium, Chujaibacter, and other genera increased, while the relative abundance of Aquabacterium, Ralstonia, Streptomyces, Asticcacaulis, Hyphomicrobium, Pseudomonas, and Sphingomonas decreased. The reduced relative abundance of endophytic rhizosphere bacteria associated with plant growth and disease resistance may thus be the cause of tree senescence. This work acts as a reference to increases the understanding of plant-microbe interactions.
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Affiliation(s)
- Jiyuan Pan
- College of Plant Protection, Hebei Agricultural University, No. 289 Lingyusi Street, Baoding, Hebei, China
| | - Qinglong Dong
- College of Forestry, Hebei Agricultural University, Baoding, Hebei, China
| | - Haibin Wen
- College of Plant Protection, Hebei Agricultural University, No. 289 Lingyusi Street, Baoding, Hebei, China
| | - Yang Liu
- College of Forestry, Hebei Agricultural University, Baoding, Hebei, China
| | - Xiaojie Wang
- College of Plant Protection, Hebei Agricultural University, No. 289 Lingyusi Street, Baoding, Hebei, China
| | - Yanan Liu
- College of Plant Protection, Hebei Agricultural University, No. 289 Lingyusi Street, Baoding, Hebei, China
| | - Xuemei Zhang
- College of Forestry, Hebei Agricultural University, Baoding, Hebei, China
- Hebei Walnut Technical Engineering Research Center, Lincheng, 054300, Hebei, China
| | - Chengmin Shi
- College of Plant Protection, Hebei Agricultural University, No. 289 Lingyusi Street, Baoding, Hebei, China
| | - Dan Zhao
- College of Plant Protection, Hebei Agricultural University, No. 289 Lingyusi Street, Baoding, Hebei, China.
| | - Xiujun Lu
- College of Plant Protection, Hebei Agricultural University, No. 289 Lingyusi Street, Baoding, Hebei, China.
- Hebei Walnut Technical Engineering Research Center, Lincheng, 054300, Hebei, China.
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12
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Scearce AE, Goossen CP, Schattman RE, Mallory EB, MaCrae JD. Linking drivers of plant per- and polyfluoroalkyl substance (PFAS) uptake to agricultural land management decisions. Biointerphases 2023; 18:040801. [PMID: 37410498 DOI: 10.1116/6.0002772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/06/2023] [Indexed: 07/07/2023] Open
Abstract
Widespread contamination of the per- and polyfluoroalkyl substance (PFAS) in agricultural areas is largely attributed to the application of sewage sludge in which the PFAS can be concentrated. This creates a pathway for these contaminants to enter the food chain and, by extension, causes human health and economic concerns. One barrier to managing land with PFAS contamination is the variation in reported plant uptake levels across studies. A review of the literature suggests that the variation in plant uptake is influenced by a host of factors including the composition of PFAS chemicals, soil conditions, and plant physiology. Factors include (1) the chemical components of the PFAS such as the end group and chain length; (2) drivers of soil sorption such as the presence of soil organic matter (SOM), multivalent cation concentration, pH, soil type, and micropore volume; and (3) crop physiological features such as fine root area, percentage of mature roots, and leaf blade area. The wide range of driving factors highlights a need for research to elucidate these mechanisms through additional experiments as well as collect more data to support refined models capable of predicting PFAS uptake in a range of cropping systems. A conceptual framework presented here links drivers of plant PFAS uptake found in the literature to phytomanagement approaches such as modified agriculture or phytoremediation to provide decision support to land managers.
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Affiliation(s)
- Alex E Scearce
- School of Food and Agriculture, University of Maine, Orono, Maine 04469
| | - Caleb P Goossen
- Maine Organic Farmers and Gardeners Association, Unity, Maine 04988
| | | | - Ellen B Mallory
- School of Food and Agriculture, University of Maine, Orono, Maine 04469
- University of Maine Cooperative Extension, Orono, Maine 04469
| | - Jean D MaCrae
- Department of Civil and Environmental Engineering, University of Maine, Orono, Maine 04469
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13
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Hickey A, Senevirathna L. Performance of regional water purification plants during extreme weather events: three case studies from New South Wales, Australia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-28101-y. [PMID: 37322396 DOI: 10.1007/s11356-023-28101-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/31/2023] [Indexed: 06/17/2023]
Abstract
Climate change is altering weather patterns, which affects water supply systems globally. More frequent extreme weather events like floods, droughts, and heatwaves are impacting the availability of raw water sources that supply cities. These events can lead to less water, higher demand, and potential infrastructure damage. Water agencies and utilities must develop resilient and adaptable systems to withstand shocks and stresses. Case studies demonstrating the impact of extreme weather on water quality are important for developing resilient water supply systems. This paper documents the challenges faced by regional New South Wales (NSW) in managing water quality and supply during extreme weather events. Effective treatment processes, such as ozone treatment and adsorption, are used to maintain drinking water standards during extreme weather. Water-efficient alternatives are provided, and critical water networks are inspected to identify leaks and reduce system demand. Local government areas must collaborate and share resources to ensure that towns can cope with future extreme weather events. Systematic investigation is needed to understand system capacity and identify surplus resources to be shared when demand cannot be met. Pooling resources could benefit regional towns experiencing both floods and droughts. With expected population growth in the area, regional NSW councils will require a significant increase in water filtration infrastructure to handle increased system loading. Continuous research, regular strategy reviews, and innovative approaches are essential to ensure a secure and reliable water supply during future extreme weather events.
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Affiliation(s)
| | - Lalantha Senevirathna
- School of Computing, Mathematics and Engineering, Charles Sturt University, Bathurst, NSW, 2795, Australia.
- Gulbali Institute for Agriculture, Water and Environment, Charles Sturt University, Albury, NSW, 2640, Australia.
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14
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Upadhyay SK, Rani N, Kumar V, Mythili R, Jain D. A review on simultaneous heavy metal removal and organo-contaminants degradation by potential microbes: Current findings and future outlook. Microbiol Res 2023; 273:127419. [PMID: 37276759 DOI: 10.1016/j.micres.2023.127419] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/22/2023] [Accepted: 05/24/2023] [Indexed: 06/07/2023]
Abstract
Industrial processes result in the production of heavy metals, dyes, pesticides, polyaromatic hydrocarbons (PAHs), pharmaceuticals, micropollutants, and PFAS (per- and polyfluorinated substances). Heavy metals are currently a significant problem in drinking water and other natural water bodies, including soil, which has an adverse impact on the environment as a whole. The heavy metal is highly poisonous, carcinogenic, mutagenic, and teratogenic to humans as well as other animals. Multiple polluted sites, including terrestrial and aquatic ecosystems, have been observed to co-occur with heavy metals and organo-pollutants. Pesticides and heavy metals can be degraded and removed concurrently from various metals and pesticide-contaminated matrixes due to microbial processes that include a variety of bacteria, both aerobic and anaerobic, as well as fungi. Numerous studies have examined the removal of heavy metals and organic-pollutants from different types of systems, but none of them have addressed the removal of these co-occurring heavy metals and organic pollutants and the use of microbes to do so. Therefore, the main focus of this review is on the recent developments in the concurrent microbial degradation of organo-pollutants and heavy metal removal. The limitations related to the simultaneous removal and degradation of heavy metals and organo-pollutant pollutants have also been taken into account.
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Affiliation(s)
- Sudhir K Upadhyay
- Department of Environmental Science, Veer Bahadur Singh Purvanchal University, Jaunpur 222003, Uttar Pradesh, India.
| | - Nitu Rani
- Department of Biotechnology, Chandigarh University, Mohali, Punjab 140413, India
| | - Vinay Kumar
- Divisional Forest Office, Social Forestry Division Fatehpur, Uttar Pradesh, India; Department of Environmental Science, Babasaheb Bhimrao Ambedkar University, Lucknow, India
| | - R Mythili
- Department of Pharmacology, Saveetha Dental College, Chennai 600077, India
| | - Devendra Jain
- Department of Molecular Biology and Biotechnology, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur 313001, India
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15
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Qu L, Dai K, Wang J, Cao L, Rao Z, Han R. Microbial landscapes of the rhizosphere soils and roots of Luffa cylindrica plant associated with Meloidogyne incognita. Front Microbiol 2023; 14:1168179. [PMID: 37303801 PMCID: PMC10247985 DOI: 10.3389/fmicb.2023.1168179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/02/2023] [Indexed: 06/13/2023] Open
Abstract
Introduction The root-knot nematodes (RKN), especially Meloidogyne spp., are globally emerging harmful animals for many agricultural crops. Methods To explore microbial agents for biological control of these nematodes, the microbial communities of the rhizosphere soils and roots of sponge gourd (Luffa cylindrica) infected and non-infected by M. incognita nematodes, were investigated using culture-dependent and -independent methods. Results Thirty-two culturable bacterial and eight fungal species, along with 10,561 bacterial and 2,427 fungal operational taxonomic units (OTUs), were identified. Nine culturable bacterial species, 955 bacterial and 701 fungal OTUs were shared in both four groups. More culturable bacterial and fungal isolates were detected from the uninfected soils and roots than from the infected soils and roots (except no fungi detected from the uninfected roots), and among all samples, nine bacterial species (Arthrobacter sp., Bacillus sp., Burkholderia ambifaria, Enterobacteriaceae sp., Fictibacillus barbaricus, Microbacterium sp., Micrococcaceae sp., Rhizobiaceae sp., and Serratia sp.) were shared, with Arthrobacter sp. and Bacillus sp. being dominant. Pseudomonas nitroreducens was exclusively present in the infested soils, while Mammaliicoccus sciuri, Microbacterium azadirachtae, and Priestia sp., together with Mucor irregularis, Penicillium sp., P. commune, and Sordariomycetes sp. were found only in the uninfected soils. Cupriavidus metallidurans, Gordonia sp., Streptomyces viridobrunneus, and Terribacillus sp. were only in the uninfected roots while Aspergillus sp. only in infected roots. After M. incognita infestation, 319 bacterial OTUs (such as Chryseobacterium) and 171 fungal OTUs (such as Spizellomyces) were increased in rhizosphere soils, while 181 bacterial OTUs (such as Pasteuria) and 166 fungal OTUs (such as Exophiala) rose their abundance in plant roots. Meanwhile, much more decreased bacterial or fungal OTUs were identified from rhizosphere soils rather than from plant roots, exhibiting the protective effects of host plant on endophytes. Among the detected bacterial isolates, Streptomyces sp. TR27 was discovered to exhibit nematocidal activity, and B. amyloliquefaciens, Bacillus sp. P35, and M. azadirachtae to show repellent potentials for the second stage M. incognita juveniles, which can be used to develop RKN bio-control agents. Discussion These findings provided insights into the interactions among root-knot nematodes, host plants, and microorganisms, which will inspire explorations of novel nematicides.
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16
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Jeong Y, Vyas K, Irudayaraj J. Toxicity of per- and polyfluoroalkyl substances to microorganisms in confined hydrogel structures. JOURNAL OF HAZARDOUS MATERIALS 2023; 456:131672. [PMID: 37236111 DOI: 10.1016/j.jhazmat.2023.131672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 05/05/2023] [Accepted: 05/20/2023] [Indexed: 05/28/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) as a group of environmentally persistent synthetic chemicals has been widely used in industrial and consumer products. Bioaccumulation studies have documented the adverse effects of PFAS in various living organisms. Despite the large number of studies, experimental approaches to evaluate the toxicity of PFAS on bacteria in a biofilm-like niche as structured microbial communities are sparse. This study suggests a facile approach to query the toxicity of PFOS and PFOA on bacteria (Escherichia coli K12 MG1655 strain) in a biofilm-like niche provided by hydrogel-based core-shell beads. Our study shows that E. coli MG1655 upon complete confinement in hydrogel beads exhibit altered physiological characteristics of viability, biomass, and protein expression, compared to their susceptible counterpart cultivated under planktonic conditions. We find that soft-hydrogel engineering platforms may provide a protective role for microorganisms from environmental contaminants, depending on the size or thickness of the protective/barrier layer. We expect our study to provide insights on the toxicity of environmental contaminants on organisms under encapsulated conditions that could potentially be useful for toxicity screening and in evaluating ecological risk of soil, plant, and mammalian microbiome.
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Affiliation(s)
- Yoon Jeong
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, USA; Cancer Center at Illinois, University of Illinois Urbana-Champaign, Urbana, IL, USA; Biomedical Research Center, Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL, USA
| | - Khushali Vyas
- School of Molecular and Cellular Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Joseph Irudayaraj
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, USA; Cancer Center at Illinois, University of Illinois Urbana-Champaign, Urbana, IL, USA; Biomedical Research Center, Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL, USA; Carle R. Woese Institute for Genomic Biology, Beckman Institute, Holonyak Micro and Nanotechnology Laboratory, Urbana, IL, USA.
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17
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Sima MW, Huang S, Jaffé PR. Modeling the kinetics of perfluorooctanoic and perfluorooctane sulfonic acid biodegradation by Acidimicrobium sp. Strain A6 during the feammox process. JOURNAL OF HAZARDOUS MATERIALS 2023; 448:130903. [PMID: 36764250 DOI: 10.1016/j.jhazmat.2023.130903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 09/20/2022] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are emerging contaminants of concern due to their health effects and persistence in the environment. Although perfluoroalkyl acids (PFAAs), such as perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) are very difficult to biodegrade because they are completely saturated with fluorine, it has recently been shown that Acidimicrobium sp. A6 (A6), which oxidizes ammonium under iron reducing conditions (Feammox process), can defluorinate PFAAs. A kinetic model was developed and tested in this study using results from previously published laboratory experiments, augmented with results from additional incubations, to couple the Feammox process to PFAS defluorination. The experimental results show higher Feammox activity and PFAS degradation in the A6 enrichment cultures than in the highly enriched A6 cultures. The coupled experimental and modeling results show that the PFAS defluorination rate is proportional to the rate of ammonium oxidation. The ammonium oxidation rate and the defluorination rate increase monotonically, but not linearly, with increasing A6 biomass. Given that different experiments had different level of Feammox activity, the parameters required to simulate the Feammox varied between A6 cultures. Nonetheless, the kinetic model was able to simulate an anaerobic incubation system and show that PFAS defluorination is proportional to the Feammox activity.
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Affiliation(s)
- Matthew W Sima
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544, USA
| | - Shan Huang
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544, USA
| | - Peter R Jaffé
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544, USA.
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18
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Chen C, Fang Y, Zhou D. Selective pressure of PFOA on microbial community: Enrichment of denitrifiers harboring ARGs and the transfer of ferric-electrons. WATER RESEARCH 2023; 233:119813. [PMID: 36863277 DOI: 10.1016/j.watres.2023.119813] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Perfluorooctanoic acid (PFOA), a class of permanent organic pollutants, is frequently detected in surface and ground water, with the latter made up primarily of porous media (such as soils, sediments, and aquifers) that harbor microbial communities. Therefore, we investigated the effects of PFOA on water ecosystems and found that, under stimulation by 2.4 μM PFOA, denitrifiers were significantly enriched due to their hosting antibiotic resistant genes (ARGs), which were 1.45 times more abundant than the control. Furthermore, denitrifying metabolism was enhanced by Fe(II) electron donation. Specifically, 2.4 μM PFOA significantly enhanced the removal of total inorganic nitrogen by 178.6%. The microbial community became predominated by denitrifying bacteria (67.8% abundance). Notably, the nitrate-reduction ferrous-oxidizing (NRFO) bacteria Dechloromonas, Acidovorax, Bradyrhizorium, etc. were significantly enriched. The selective pressures of PFOA driving the enrichment of denitrifiers were twofold. First, the toxic PFOA induced denitrifying bacteria to produce ARGs, mainly including the efflux (occupying 55.4%) and antibiotic inactivation (occupying 41.2%) types, which improved microbial tolerance to PFOA. The risk of horizontal ARGs transmission was elevated as the overall number of horizontally transmissible ARGs increased by 47.1%. Second, Fe(II) electrons were transported via the porin-cytochrome c extracellular electrons transfer system (EET), promoting the expression of nitrate reductases, which in turn further enhanced denitrification. In summary, PFOA regulated the microbial community structure and influenced microbial TN removal functions and increased the contribution of ARGs by the denitrifier hosts, but the PFOA-induced production of ARGs may pose a serious ecological threat that needs to be comprehensively investigated.
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Affiliation(s)
- Congli Chen
- Engineering Research Center of Low-Carbon Treatment and Green Development of Polluted Water in Northeast China, Ministry of Education, Northeast Normal University, Changchun 130117, China; Jilin Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun 130117, China; School of Environment, Northeast Normal University, Changchun 130117, China
| | - Yuanping Fang
- Engineering Research Center of Low-Carbon Treatment and Green Development of Polluted Water in Northeast China, Ministry of Education, Northeast Normal University, Changchun 130117, China; Jilin Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun 130117, China; School of Environment, Northeast Normal University, Changchun 130117, China
| | - Dandan Zhou
- Engineering Research Center of Low-Carbon Treatment and Green Development of Polluted Water in Northeast China, Ministry of Education, Northeast Normal University, Changchun 130117, China; Jilin Engineering Lab for Water Pollution Control and Resources Recovery, Northeast Normal University, Changchun 130117, China; School of Environment, Northeast Normal University, Changchun 130117, China.
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19
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Zhu G, Zhang H, Yuan R, Huang M, Liu F, Li M, Zhang Y, Rittmann BE. How Comamonas testosteroni and Rhodococcus ruber enhance nitrification in the presence of quinoline. WATER RESEARCH 2023; 229:119455. [PMID: 36516493 DOI: 10.1016/j.watres.2022.119455] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 11/06/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Because many wastewater-treatment plants receive effluents containing inhibitory compounds from chemical or pharmaceutical facilities, the input of these inhibitors can lead to failure of nitrification and total-N removal. Nitrification de facto is the more important process, as it is the first step of nitrogen removal and involves slow-growing autotrophic bacteria. In this work, quinoline, the target compound severely inhibited nitrification: The biomass-normalized nitrification rate decreased four-fold in the presence of quinoline. The inhibition was relieved by bioaugmenting Comamonas testosteroni or Rhodococcus ruber to the nitrifying biomass. Because the inhibition was derived from a quinoline intermediate, 2‑hydroxyl quinoline (2HQ), not quinoline itself, nitrification was accelerated only after 2HQ disappeared due to the addition of R. ruber or C. testosteroni. R. ruber was superior to C. testosteroni for 2HQ biodegradation and accelerating nitrification. Besides accelerating nitrification, adding C. testosteroni or R. ruber led to the enrichment of Nitrospira, which appeared to be carrying out commamox metabolism, since ammonium-oxidizing bacteria were not enriched.
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Affiliation(s)
- Ge Zhu
- Department of Environmental Engineering, School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai, 200234, P.R. China
| | - Haiyun Zhang
- Department of Environmental Engineering, School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai, 200234, P.R. China
| | - Ru Yuan
- Department of Environmental Engineering, School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai, 200234, P.R. China
| | - Meng Huang
- Department of Environmental Engineering, School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai, 200234, P.R. China
| | - Fei Liu
- Department of Environmental Engineering, School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai, 200234, P.R. China
| | - Mo Li
- Department of Environmental Engineering, School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai, 200234, P.R. China.
| | - Yongming Zhang
- Department of Environmental Engineering, School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai, 200234, P.R. China.
| | - Bruce E Rittmann
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ85287-5701, United States
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20
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Chen C, Fang Y, Cui X, Zhou D. Effects of trace PFOA on microbial community and metabolisms: Microbial selectivity, regulations and risks. WATER RESEARCH 2022; 226:119273. [PMID: 36283234 DOI: 10.1016/j.watres.2022.119273] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/19/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Perfluorooctanoic acid (PFOA), a "forever chemical", is continuously discharged and mitigated in the environment despite its production and use being severely restricted globally. Due to the transformation, attachment, and adsorption of PFOA in aquatic environments, PFOA accumulates in the porous media of sediments, soils, and vadose regions. However, the impact of trace PFOA in the porous media on interstitial water and water safety is not clear. In this work, we simulated a porous media layer using a sand column and explored the effects of µg-level PFOA migration on microbial community alternation, microbial function regulation, and the generation and spread of microbial risks. After 60 days of PFOA stimulation, Proteobacteria became the dominant phylum with an abundance of 91.8%, since it carried 71% of the antibiotic resistance genes (ARGs). Meanwhile, the halogen-related Dechloromonas abundance increased from 0.4% to 10.6%. In addition, PFOA significantly stimulated protein (more than 1288%) and polysaccharides (more than 4417%) production by up-regulating amino acid metabolism (p< 0.001) and membrane transport (p < 0.001) to accelerate the microbial aggregation. More importantly, the rapidly forming biofilm immobilized and blocked PFOA. The more active antioxidant system repaired the damaged cell membrane by significantly up-regulating glycerophospholipid metabolism and peptidoglycan biosynthesis. It is worth noting that PFOA increased the abundance of antibiotic resistance genes (ARGs) and human bacterial pathogens (HBPs) in porous media by 30% and 106%. PFOA increased the proportion of vertical transmission ARGs (vARGs), and co-occurrence network analysis (r ≥ 0.8, p ≤ 0.01) verified that vARGs were mainly mediated by HBPs. A comprehensive understanding of PFOA interactions with its microecological environment is provided.
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Affiliation(s)
- Congli Chen
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun 130117, China
| | - Yuanping Fang
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun 130117, China
| | - Xiaochun Cui
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun 130117, China
| | - Dandan Zhou
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun 130117, China.
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21
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Ni H, Arslan M, Liang Z, Wang C, Luo Z, Qian J, Wu Z, Gamal El-Din M. Mixotrophic denitrification processes in basalt fiber bio-carriers drive effective treatment of low carbon/nitrogen lithium slurry wastewater. BIORESOURCE TECHNOLOGY 2022; 364:128036. [PMID: 36174892 DOI: 10.1016/j.biortech.2022.128036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/19/2022] [Accepted: 09/23/2022] [Indexed: 06/16/2023]
Abstract
Lithium battery slurry wastewater was successfully treatedby using basalt fiber (BF) bio-carriers in a biological contact oxidation reactor. This resulted in a significant reduction of COD (93.3 ± 0.5 %) and total nitrogen (77.4 ± 1.0 %) at 12 h of HRT and dissolved oxygen (DO) of 0-1 mg/L. The modified Stover-Kincannon model indicated that the total nitrogen removal rate was 4.462 kg/m3/d in R-BF while the substrate maximum specific reaction rate (qmax) in the Monod model was 0.323 mg-N/mgVSS/d. A stable internal environment was established within the bio-nest. Metataxonomic analysis revealed the presence of denitrification and decarbonization bacteria, combined heterotrophic nitrification-aerobic denitrification bacteria, nitrite-oxidizing bacteria, and ammonia-oxidizing bacteria. Functional analysis displayed changes related to (aerobic)chemoheterotrophy, nitrogen respiration, nitrate reduction, respiration/denitrification of nitrite, and nitrate in R-BF. The study proposes a novel approach to achieve denitrification for the treatment of lithium slurry wastewater at low C/N conditions.
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Affiliation(s)
- Huicheng Ni
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, PR China
| | - Muhammad Arslan
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Zhishui Liang
- School of Civil Engineering, Southeast University, Nanjing 211189, Jiangsu Province, PR China
| | - Chencheng Wang
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu Province, PR China
| | - Zhijun Luo
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu Province, PR China
| | - Junchao Qian
- Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, SuZhou 215009, Jiangsu Province, PR China
| | - Zhiren Wu
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu Province, PR China
| | - Mohamed Gamal El-Din
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada; School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu Province, PR China.
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22
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Huang D, Xu R, Sun X, Li Y, Xiao E, Xu Z, Wang Q, Gao P, Yang Z, Lin H, Sun W. Effects of perfluorooctanoic acid (PFOA) on activated sludge microbial community under aerobic and anaerobic conditions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:63379-63392. [PMID: 35459989 DOI: 10.1007/s11356-022-18841-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Accepted: 01/20/2022] [Indexed: 06/14/2023]
Abstract
Per- and polyfluoroalkyl substances (PFASs) have received increasing attention due to their widespread presence in diverse environments including wastewater treatment plants (WWTPs) and their potential adverse health effects. Perfluorooctanoic acid (PFOA) is one of the most detected forms of PFASs in WWTPs. However, there is still a paucity of knowledge about the effect of PFASs on microorganisms of the key component of WWTP, activated sludge. In this study, lab-scale microcosm experiments were established to evaluate the influences of PFOA on activated sludge microbes under aerobic and anaerobic conditions. The diversity, structure, and microbe-microbe interaction of microbial community were determined by 16S rRNA gene amplicon sequencing and co-occurrence network analysis. After 90 days of exposure to PFOA, activated sludge microbial richness decreased under both aerobic and anaerobic conditions. Specifically, under aerobic condition, Rhodopseudomonas (mean relative abundance 3.6%), Flavobacterium (2.4%), and Ignavibacterium (6.6%) were enriched in PFOA-spiked activated sludge compared with that in the unspiked sludge (2.6%, 0.1%, and 1.9%, respectively). By contrast, after 90 days of exposure to PFOA, Eubacterium (2.1%), Hyphomicrobium (1.8%), and Methyloversatilis (1.2%) were enriched under anaerobic condition, and more abundant than that in the control sludge (0.4%, 1.5%, and 0.6%, respectively). These genera were the potential PFOA-resistant members. In addition, Azospirillum and Sporomusa were the most connected taxa in PFOA-aerobic and PFOA-anaerobic networks, respectively. Prediction of the functional gene showed that PFOA inhibited some gene expression of sludge microbes, such as transcription, amino acid transport and metabolism, and energy production and conversion. In summary, continued exposure to PFOA induced substantial shifts of the sludge bacterial diversity and composition under both aerobic and anaerobic conditions.
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Affiliation(s)
- Duanyi Huang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China
| | - Rui Xu
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, 808 Tianyuan Road, Guangzhou, 510650, China
| | - Xiaoxu Sun
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, 808 Tianyuan Road, Guangzhou, 510650, China
| | - Yongbin Li
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, 808 Tianyuan Road, Guangzhou, 510650, China
| | - Enzong Xiao
- Key Laboratory of Water Quality and Conservation in the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Zhimin Xu
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China
| | - Qi Wang
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, 808 Tianyuan Road, Guangzhou, 510650, China
| | - Pin Gao
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, 808 Tianyuan Road, Guangzhou, 510650, China
| | - Zhaohui Yang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China.
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China.
| | - Hanzhi Lin
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, 808 Tianyuan Road, Guangzhou, 510650, China.
| | - Weimin Sun
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, 808 Tianyuan Road, Guangzhou, 510650, China.
- School of Environment, Henan Normal University, Xinxiang, China.
- Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Xinxiang, China.
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23
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Qi Y, Cao H, Pan W, Wang C, Liang Y. The role of dissolved organic matter during Per- and Polyfluorinated Substance (PFAS) adsorption, degradation, and plant uptake: A review. JOURNAL OF HAZARDOUS MATERIALS 2022; 436:129139. [PMID: 35605500 DOI: 10.1016/j.jhazmat.2022.129139] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 05/08/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
The negative effects of polyfluoroalkyl substances (PFAS) on the environment and health have recently attracted much attention. This article reviews the influence of soil- and water-derived dissolved organic matter (DOM) on the environmental fate of PFAS. In addition to being co-adsorped with PFAS to increase the adsorption capacity, DOM competes with PFAS for adsorption sites on the surface of the material, thereby reducing the removal rate of PFAS or increasing water solubility, which facilitates desorption of PFAS in the soil. It can quench some active species and inhibit the degradation of PFAS. In contrast, before DOM in water self-degrades, DOM has a greater promoting effect on the degradation of PFAS because DOM can complex with iron, iodine, among others, and act as an electron shuttle to enhance electron transfer. In soil aggregates, DOM can prevent microorganisms from being poisoned by direct exposure to PFAS. In addition, DOM increases the desorption of PFAS in plant root soil, affecting its bioavailability. In general, DOM plays a bidirectional role in adsorption, degradation, and plant uptake of PFAS, which depends on the types and functional groups of DOM. It is necessary to enhance the positive role of DOM in reducing the environmental risks posed by PFAS. In future, attention should be paid to the DOM-induced reduction of PFAS and development of a green and efficient continuous defluorination technology.
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Affiliation(s)
- Yuwen Qi
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Huimin Cao
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Weijie Pan
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Cuiping Wang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Yanna Liang
- Department of Environmental and Sustainable Engineering, University at Albany, SUNY, Albany, NY 12222, USA
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24
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Zhao W, Teng M, Zhang J, Wang K, Zhang J, Xu Y, Wang C. Insights into the mechanisms of organic pollutant toxicity to earthworms: Advances and perspectives. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 303:119120. [PMID: 35283202 DOI: 10.1016/j.envpol.2022.119120] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/28/2022] [Accepted: 03/06/2022] [Indexed: 06/14/2023]
Abstract
Earthworms play positive ecological roles in soil formation, structure, and fertility, environmental protection, and terrestrial food chains. For this review, we searched the Web of Science database for articles published from 2011 to 2021 using the keywords "toxic" and "earthworm" and retrieved 632 publications. From the perspective of bibliometric analysis, we conducted a co-occurrence network analysis using the keywords "toxic" and "earthworm" to identify the most and least reported topics. "Eisenia fetida," "bioaccumulation," "heavy metals," "oxidative stress," and "pesticides" were the most common terms, and "microbial community," "bacteria," "PFOS," "bioaugmentation," "potentially toxic elements," "celomic fluid," "neurotoxicity," "joint toxicity," "apoptosis," and "nanoparticles" were uncommon terms. Additionally, in this review we highlight the main routes of organic pollutant entry into soil, and discuss the adverse effects on the soil ecosystem. We then systematically review the mechanisms underlying organic pollutant toxicity to earthworms, including oxidative stress, energy and lipid metabolism disturbances, neurological toxicity, intestinal inflammation and injury, gut microbiota dysbiosis, and reproductive toxicity. We conclude by discussing future research perspectives, focusing on environmentally relevant concentrations and conditions, novel data processing approaches, technologies, and detoxification and mitigation methods. This review has implications for soil management in the context of environmental pollution.
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Affiliation(s)
- Wentian Zhao
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Miaomiao Teng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Jie Zhang
- Key Laboratory of Green Prevention and Control of Tropical Plant Disease and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, 570228, China
| | - Kai Wang
- College of Plant Protection, Shenyang Agricultural University, No. 120 Dongling Road, Shenyang, People's Republic Of China
| | - Jialu Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Yong Xu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Chengju Wang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China.
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