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Xie Y, Feng NX, Huang L, Wu M, Li CX, Zhang F, Huang Y, Cai QY, Xiang L, Li YW, Zhao HM, Mo CH. Improving key gene expression and di-n-butyl phthalate (DBP) degrading ability in a novel Pseudochrobactrum sp. XF203 by ribosome engineering. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174207. [PMID: 38914327 DOI: 10.1016/j.scitotenv.2024.174207] [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: 04/30/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 06/26/2024]
Abstract
Di-n-butyl phthalate (DBP) is one of the important phthalates detected commonly in soils and crops, posing serious threat to human health. Pseudochrobactrum sp. XF203 (XF203), a new strain related with DBP biodegradation, was first identified from a natural habitat lacking human disturbance. Genomic analysis coupled with gene expression comparison assay revealed this strain harbors the key aromatic ring-cleaving gene catE203 (encoding catechol 2,3-dioxygenase/C23O) involved DBP biodegradation. Following intermediates identification and enzymatic analysis also indicated a C23O dependent DBP lysis pathway in XF203. The gene directed ribosome engineering was operated and to generate a desirable mutant strain XF203R with highest catE203 gene expression level and strong DBP degrading ability. The X203R removed DBP in soil jointly by reassembling bacterial community. These results demonstrate a great value of XF203R for the practical DBP bioremediation application, highlighting the important role of the key gene-directed ribosome engineering in mining multi-pollutants degrading bacteria from natural habitats where various functional genes are well conserved.
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Affiliation(s)
- Yunchang Xie
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China; Jiangxi Key Laboratory of Organic Chemistry, Institute of Organic Functional Molecules, Jiangxi Science and Technology Normal University, Nanchang 330013, Jiangxi, China
| | - Nai-Xian Feng
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Li Huang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Miaoer Wu
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Cheng-Xuan Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Fantao Zhang
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Yunhong Huang
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Quan-Ying Cai
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Lei Xiang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yan-Wen Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Hai-Ming Zhao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Ce-Hui Mo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China.
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Yen PL, Lin TA, Chang CH, Yu CW, Kuo YH, Chang TT, Liao VHC. Di(2-ethylhexyl) phthalate disrupts circadian rhythm associated with changes in metabolites and cytochrome P450 gene expression in Caenorhabditis elegans. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 363:125062. [PMID: 39366446 DOI: 10.1016/j.envpol.2024.125062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2024] [Revised: 09/17/2024] [Accepted: 10/01/2024] [Indexed: 10/06/2024]
Abstract
The plasticizer di(2-ethylhexyl) phthalate (DEHP) is a widespread environmental pollutant due to its extensive use. While circadian rhythms are inherent in most living organisms, the detrimental effects of DEHP on circadian rhythm and the underlying mechanisms remain largely unknown. This study investigated the influence of early developmental exposure to DEHP on circadian rhythm and explored the possible relationship between circadian disruption and DEHP metabolism in the model organism Caenorhabditis elegans. We observed that DEHP disrupted circadian rhythm in a dose-dependent fashion. Liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis revealed that DEHP-induced circadian disruption accompanies with altered proportions of DEHP metabolites in C. elegans. RNA sequencing data demonstrated that DEHP-induced circadian rhythm disruption caused differential gene expression. Moreover, DEHP-induced circadian disruption coincided with attenuated inductions of DEHP-induced cytochrome P450 genes, cyp-35A2, cyp-35A3, and cyp-35A4. Notably, cyp-35A2 mRNA exhibited circadian rhythm with entrainment, but DEHP exposure disrupted this rhythm. Our findings suggest that DEHP exposure disrupts circadian rhythm, which is associated with changes in DEHP metabolites and cytochrome P450 gene expression in C. elegans. Given the ubiquitous nature of DEHP pollution and the prevalence of circadian rhythms in living organisms, this study implies a potential negative impact of DEHP on circadian rhythm and DEHP metabolism in organisms.
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Affiliation(s)
- Pei-Ling Yen
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Ting-An Lin
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Chun-Han Chang
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Chan-Wei Yu
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Yu-Hsuan Kuo
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Tzu-Ting Chang
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Vivian Hsiu-Chuan Liao
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan.
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Maurya AC, Bhattacharya A, Khare SK. Biodegradation of terephthalic acid using Rhodococcus erythropolis MTCC 3951: Insights into the degradation process, applications in wastewater treatment and polyhydroxyalkanoate production. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:57376-57385. [PMID: 37794223 DOI: 10.1007/s11356-023-30054-1] [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: 03/09/2023] [Accepted: 09/20/2023] [Indexed: 10/06/2023]
Abstract
Terephthalic acid (TPA) is an endocrine disruptor widely used as a plasticizer and as a monomer in the manufacturing of PET bottles. However, because of various harmful effects on humans and the environment, it is now recognized as a priority pollutant whose environmental level needs to be controlled. In the present work, the TPA biodegradation efficacy of the bacterium Rhodococcus erythropolis (MTCC 3951) was studied in mineral salt media with TPA as the sole carbon and energy source. R. erythropolis was observed to degrade 5 mM and 120 mM TPA within 10 h and 84 h of incubation, respectively. The degradation efficiency was further optimized by varying the culture conditions, and the following optimum conditions were obtained: inoculum size- 5% (v/v), temperature- 30 °C, agitation speed- 200 rpm, and pH- 8.0. The bacterium was found to use an ortho-cleavage pathway for TPA degradation determined based on enzymatic and GC-MS studies. Moreover, during the degradation of TPA, the bacterium was observed to produce polyhydroxyalkanoate (PHA)-a biopolymer. Biodegradation of 120 mM TPA resulted in an accumulation of PHA. The PHA granules were visualized using fluorescence and transmission electron microscopy and were later characterized using FTIR spectroscopy. Furthermore, the robustness of the bacterium was demonstrated by its ability to degrade TPA in real industrial wastewater. Overall, R. erythropolis (MTCC 3951) hold the potential for controlling TPA pollution in the environment and vis-à-vis the production of PHA biopolymer.
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Affiliation(s)
- Ankita C Maurya
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology, Hauz Khas, Delhi, New Delhi, 110016, India
| | - Amrik Bhattacharya
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology, Hauz Khas, Delhi, New Delhi, 110016, India
- Amity Institute of Environmental Sciences, Amity University, Sector 125, Noida, Uttar Pradesh, India
| | - Sunil Kumar Khare
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology, Hauz Khas, Delhi, New Delhi, 110016, India.
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Durante‐Rodríguez G, de Francisco‐Polanco S, Fernández‐Arévalo U, Díaz E. Engineering bacterial biocatalysts for the degradation of phthalic acid esters. Microb Biotechnol 2024; 17:e70024. [PMID: 39365609 PMCID: PMC11451385 DOI: 10.1111/1751-7915.70024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Accepted: 09/18/2024] [Indexed: 10/05/2024] Open
Abstract
Phthalic acid esters (PAEs) are synthetic diesters derived from o-phthalic acid, commonly used as plasticizers. These compounds pose significant environmental and health risks due to their ability to leach into the environment and act as endocrine disruptors, carcinogens, and mutagens. Consequently, PAEs are now considered major emerging contaminants and priority pollutants. Microbial degradation, primarily by bacteria and fungi, offers a promising method for PAEs bioremediation. This article highlights the current state of microbial PAEs degradation, focusing on the major bottlenecks and associated challenges. These include the identification of novel and more efficient PAE hydrolases to address the complexity of PAE mixtures in the environment, understanding PAEs uptake mechanisms, characterizing novel o-phthalate degradation pathways, and studying the regulatory network that controls the expression of PAE degradation genes. Future research directions include mitigating the impact of PAEs on health and ecosystems, developing biosensors for monitoring and measuring bioavailable PAEs concentrations, and valorizing these residues into other products of industrial interest, among others.
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Affiliation(s)
| | | | - Unai Fernández‐Arévalo
- Department of BiotechnologyCentro de Investigaciones Biológicas Margarita Salas‐CSICMadridSpain
| | - Eduardo Díaz
- Department of BiotechnologyCentro de Investigaciones Biológicas Margarita Salas‐CSICMadridSpain
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Liu J, Wu J, Sun L, Liu L, Li B, Liu S, Chen M, Wang T, Fang J, Zhu N, Wu P. A newly-constructed technology to remove and recover diethyl phthalate from wastewater by using the instant plasticization assembly ability of PVC. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 370:122599. [PMID: 39340884 DOI: 10.1016/j.jenvman.2024.122599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 09/13/2024] [Accepted: 09/17/2024] [Indexed: 09/30/2024]
Abstract
Diethyl phthalate (DEP) is a typical environmentally organic pollutant, widely used in the production process of polyvinyl chloride (PVC) to improve the flexibility of plastic materials. Its interaction with living organisms can inflict considerable harm to reproductive system functions. This research aims to utilize tetrahydrofuran (THF) to selectively break the chemical bonds in PVC molecules to provide more adsorption sites. Then incorporates the plasticizing assembly process of PVC to instantly remove and recover DEP from wastewater, achieving waste utilization, and sustainable environmental development. The research found that PTFR with a concentration of around 75 mg/L shows the best DEP removal efficiency. Sequencing batch processing removes more DEP compared to direct processing under the same material usage conditions. Furthermore, the recovery rate of DEP can reach over 90%. The technology demonstrates notable enhancements in removal efficiency and adsorption duration when compared to conventional adsorption techniques. This research has established an instant and efficient method for DEP removal, providing a new idea and technology for plasticizer treatment in practical wastewater.
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Affiliation(s)
- Jieyu Liu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China
| | - Jiayan Wu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China
| | - Leiye Sun
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China
| | - Linqing Liu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China
| | - Bo Li
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China
| | - Sheng Liu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China
| | - Meiqing Chen
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Tianming Wang
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China
| | - Jiangmin Fang
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China
| | - Nengwu Zhu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, Guangzhou 510006, PR China; Guangdong Engineering and Technology Research Center for Environmental Nanomaterials, Guangzhou 510006, PR China
| | - Pingxiao Wu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China; Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, Guangzhou 510006, PR China; Guangdong Engineering and Technology Research Center for Environmental Nanomaterials, Guangzhou 510006, PR China.
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Cheng X, Zhang S, An J, Jia C, Zhang X, Li P, Guan Y, Yan Y, Zhao Z, Liu Y, Jing T, Huang S, He M. Association between phthalates exposure and all-cause mortality among diabetic cases: A prospective study. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 362:125008. [PMID: 39307341 DOI: 10.1016/j.envpol.2024.125008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 08/14/2024] [Accepted: 09/20/2024] [Indexed: 10/01/2024]
Abstract
The aim of this study was to explore the association between phthalates (PAEs) exposure and all-cause mortality among diabetic cases, and potential molecular mechanisms of the effect. We followed 2806 diabetes cases from 2008 to the end of 2018 based on the Dongfeng-Tongji study, of which 446 cases died. We measured serum levels of six PAEs (DMP, DEP, DiBP, DnBP, BBP, and DEHP). Cox models were used to investigate the associations between PAEs and all-cause mortality. Genes related to PAEs are obtained from the Comparative Toxicogenomics Database. We constructed polygenic scores for sex hormone-binding globulin (SHBG) and testosterone, and functional SNPs for IL-6, PPARG, and GPX1 from genotyping data, and further analyzed the environment-gene interactions. The positive associations of PAEs (DMP, DiBP, DnBP, DEHP) with mortality were only observed in males but not in females. Comparing with the extreme quartile 1, the HRs (95% CI) for quartile 4 were 1.63 (0.17, 2.26) for DMP, 1.82 (1.29, 2.56) for DiBP, 1.68 (1.18, 2.40) for DnBP, 1.66 (1.17, 2.36) for DEHP. Enrichment analysis showed that PAEs-related genes were mainly associated with hormones and IL-6-related pathways. Genetic variants of SHBG, testosterone, and IL-6 modified the association between PAEs mixture and all-cause mortality. PAEs exposure are associated with all-cause mortality among diabetic cases, and PAE exposure increases the risk of all-cause mortality only in males. Effects on the hormonal system and IL6-related pathways may be potential mechanisms.
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Affiliation(s)
- Xu Cheng
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Shiyang Zhang
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jun An
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chengyong Jia
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xin Zhang
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Peiwen Li
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Youbing Guan
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yan Yan
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhuoya Zhao
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuenan Liu
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Tao Jing
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Suli Huang
- School of Public Health, Shenzhen University Medical School, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Meian He
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Chandra S, Chakraborty P. Dissolved and particulate phase phthalic acid esters in urban, suburban, and rural riverine catchments along the southeast coast of India after the COVID-19 pandemic. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 362:124986. [PMID: 39306068 DOI: 10.1016/j.envpol.2024.124986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 09/12/2024] [Accepted: 09/16/2024] [Indexed: 10/20/2024]
Abstract
Dumped waste plastics have been evidenced as a potential source for harmful chemicals along the riverine regions of India. Furthermore, Corona Virus Disease - 19 (COVID-19) pandemic resulted in a subsequent surge in the use of personal protective equipment (PPE) related single-use plastics and Tamil Nadu was India's second major waste generator. Given the newer challenges from dumped waste plastics along the four major rivers of Tamil Nadu emptying into the Bay of Bengal, we investigated thirteen phthalic acid esters (PAEs), in both dissolved and particulate phases of river water and drinking water samples. Ʃ13PAEs in both phases followed the urban > suburban > rural catchment trend. Di (2-ethyl hexyl) phthalate (DEHP) was ubiquitous in both phases and the sites having a prevalence of open burning activities in the urban catchment showed elevated levels. The suburban and rural catchments of the Kaveri River (KR) and Thamirabharani River (TR) were predominated by DEP and DEHP. It is noteworthy that in the urban catchment, Ln (DiBP) and dissolved organic carbon (Ln DOC), were strongly correlated (R2 = 0.894, p < 0.05). Furthermore, a significant increase of DiBP (p < 0.05) in the urban catchment after the second phase of the pandemic most likely resulted from the wide use of DiBP in PPE plastics. Community-stored water from urban catchment was found to have a maximum of ∑13PAEs up to 3769.38 ng/L in the dissolved phase with elevated DMP concentrations leading to higher estrogenic equivalent. The average daily intake for dissolved phase PAEs was below the USEPA-recommended limit for drinking water. However, prolonged exposure to heavier PAEs in particulate matter cannot be ignored. Estimated ecotoxicological risk assessment showed the highest risk for fish species due to DEHP.
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Affiliation(s)
- Sarath Chandra
- Department of Civil Engineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu District, Tamil Nadu, 603203, India
| | - Paromita Chakraborty
- Environmental Science and Technology Laboratory, Centre for Research in Environment, Sustainability Advocacy and Climate Change (REACH), Directorate of Research, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu District, Tamil Nadu, 603203, India.
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Zhang L, He Y, Jiang L, Shi Y, Hao L, Huang L, Lyu M, Wang S. Plastic additives as a new threat to the global environment: Research status, remediation strategies and perspectives. ENVIRONMENTAL RESEARCH 2024; 263:120007. [PMID: 39284493 DOI: 10.1016/j.envres.2024.120007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 09/07/2024] [Accepted: 09/13/2024] [Indexed: 09/20/2024]
Abstract
Discharge or leaching of plastic additives, which are an essential part of the plastic production process, can lead to environmental pollution with serious impacts on human and ecosystem health. Recently, the emission of plastic additives is increasing dramatically, but its pollution condition has not received enough attention. Meanwhile, the effective treatment strategy of plastic additive pollution is lack of systematic introduction. Therefore, it is crucial to analyze the harm and pollution status of plastic additives and explore effective pollution control strategies. This paper reviews the latest research progress on additives in plastics, describes the effects of their migration into packaged products and leaching into the environment, presents the hazards of four major classes of plastic additives (i.e., plasticizers, flame retardants, stabilizers, and antimicrobials), summarizes the existing abiotic/biotic strategies for accelerated the remediation of additives, and finally provides perspectives on future research on the removal of plastic additives. To the best of our knowledge, this is the first review that systematically analyzes strategies for the treatment of plastic additives. The study of these strategies could (i) provide feasible, cost-effective abiotic method for the removal of plastic additives, (ii) further enrich the current knowledge on plastic additive bioremediation, and (iii) present application and future development of plants, invertebrates and machine learning in plastic additive remediation.
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Affiliation(s)
- Lei Zhang
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine, Biotechnology, Jiangsu Ocean University, Lianyungang, 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang, 222005, China; College of Marine Food and Bioengineering, Jiangsu Ocean University, Lianyungang, 222005, China.
| | - Yuehui He
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine, Biotechnology, Jiangsu Ocean University, Lianyungang, 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang, 222005, China; College of Marine Food and Bioengineering, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Lei Jiang
- College of Marine Food and Bioengineering, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Yong Shi
- College of Marine Food and Bioengineering, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Lijuan Hao
- College of Marine Food and Bioengineering, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Lirong Huang
- College of Marine Food and Bioengineering, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Mingsheng Lyu
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine, Biotechnology, Jiangsu Ocean University, Lianyungang, 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang, 222005, China; College of Marine Food and Bioengineering, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Shujun Wang
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine, Biotechnology, Jiangsu Ocean University, Lianyungang, 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang, 222005, China; College of Marine Food and Bioengineering, Jiangsu Ocean University, Lianyungang, 222005, China.
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Zuo X, Lu W, Ling W, Czech B, Oleszczuk P, Chen X, Gao Y. Biodegradation of PAEs in contaminated soil by immobilized bacterial agent and the response of indigenous bacterial community. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 361:124925. [PMID: 39255922 DOI: 10.1016/j.envpol.2024.124925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 09/04/2024] [Accepted: 09/07/2024] [Indexed: 09/12/2024]
Abstract
Phthalic acid esters (PAEs) are common hazardous organic contaminants in agricultural soil. Microbial remediation is an effective and eco-friendly method for eliminating PAEs. Nevertheless, the operational mode and potential application of immobilized microorganisms in PAEs-contaminated soil are poorly understood. In this study, we prepared an immobilized bacterial agent (IBA) using a cedar biochar carrier to investigate the removal efficiency of PAEs by IBA in the soil. We found that IBA degraded 88.35% of six optimal-control PAEs, with 99.62% biodegradation of low-molecular-weight PAEs (DMP, DEP, and DBP). The findings demonstrated that the IBA achieved high efficiency and a broad-spectrum in degrading PAEs. High-throughput sequencing revealed that IBA application altered the composition of the soil bacterial community, leading to an increase in the relative abundance of PAEs-degrading bacteria (Rhodococcus). Furthermore, co-occurrence network analysis indicated that IBA promoted microbial interactions within the soil community. This study introduces an efficient method for the sustainable remediation of PAEs-contaminated soil.
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Affiliation(s)
- Xiangzhi Zuo
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Wenyi Lu
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Wanting Ling
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Bozena Czech
- Department of Radiochemistry and Environmental Chemistry, Maria Curie-Skłodowska University, 20-031, Lublin, Poland
| | - Patryk Oleszczuk
- Department of Radiochemistry and Environmental Chemistry, Maria Curie-Skłodowska University, 20-031, Lublin, Poland
| | - Xuwen Chen
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Yanzheng Gao
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
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Zhou Y, Li S, Sun X, Wang J, Chen H, Xu Q, Ye H, Li S, Shi S, Zhang X. Preparation of novel magnetic ethylene glycol dimethacrylate-based molecularly imprinted polymer for rapid adsorption of phthalate esters from ethanol aqueous solution. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 361:124891. [PMID: 39241951 DOI: 10.1016/j.envpol.2024.124891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 08/06/2024] [Accepted: 09/03/2024] [Indexed: 09/09/2024]
Abstract
Phthalate esters (PAEs), as emerging pollutants, pose a serious threat to human health and have become a major concern in the fields of environmental protection and food safety. Selective adsorption using molecularly imprinted polymer (MIP) is feasible, but most MIPs use the potentially toxic methacrylic acid (MAA) as a functional monomer, along with other crosslinking agents. In this study, MIP adsorbent was prepared using only ethylene glycol dimethacrylate (EGDMA) as both the functional monomer and crosslinking agent, without the inclusion of MAA. The adsorbent was utilized for the adsorption of PAEs from an ethanol aqueous solution. The results showed that EGDMA-based MIP (EMIP) achieved better adsorption performance of PAEs than MAA-based MIP (MMIP) due to more interactions of EGDMA with PAEs than MAA with them. For the adsorption of dibutyl phthalate (DBP) using EMIP, 95% of the equilibrium adsorption capacity was achieved within the first 15 min. In the isotherm analysis, the theoretical maximum adsorption capacity of EMIP was obtained as high as 159.24 mg/g at 20 °C in an ethanol (10 v%) aqueous solution. Furthermore, the adsorption of EMIP was not affected by the pH of the solution. The adsorption process of EMIP followed the pseudo-second-order kinetic and Freundlich isotherm model. Ethanol had a significant impact on the adsorption of DBP, and the results of molecular simulation could validate this. In addition, the regeneration experiments indicated that EMIP could be recycled 5 times without significant performance change and had a high recovery efficiency of 94.55%.
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Affiliation(s)
- Yuanhao Zhou
- Key Laboratory of Geriatric Nutrition and Health, Beijing Technology and Business University, Beijing, 100048, China; Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Beijing, 100048, China
| | - Shunying Li
- Key Laboratory of Geriatric Nutrition and Health, Beijing Technology and Business University, Beijing, 100048, China; Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Beijing, 100048, China
| | - Xiaoya Sun
- Key Laboratory of Geriatric Nutrition and Health, Beijing Technology and Business University, Beijing, 100048, China; Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Beijing, 100048, China
| | - Jun Wang
- Shanxi Kunming Tobacco Company Ltd., Shanxi, 030032, China
| | - Haoxiang Chen
- Key Laboratory of Geriatric Nutrition and Health, Beijing Technology and Business University, Beijing, 100048, China; Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Beijing, 100048, China
| | - Qiangqiang Xu
- Shandong Zhaojin Motian Company Ltd., Shandong, 265400, China
| | - Hong Ye
- Key Laboratory of Geriatric Nutrition and Health, Beijing Technology and Business University, Beijing, 100048, China; Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Beijing, 100048, China.
| | - Shuangyang Li
- Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University, Beijing, 100048, China.
| | - Shengpeng Shi
- SINOPEC Beijing Research Institute of Chemical Industry, Beijing, 100013, China
| | - Xianren Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
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11
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Pereyra-Camacho MA, Balderas-Hernández VE, Barba-de la Rosa AP, De Leon-Rodriguez A. Whole-cell biocatalysis for phthalate esters biodegradation in wastewater by a saline soil bacteria SSB-consortium. CHEMOSPHERE 2024; 364:143243. [PMID: 39233295 DOI: 10.1016/j.chemosphere.2024.143243] [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: 03/14/2024] [Revised: 08/22/2024] [Accepted: 08/31/2024] [Indexed: 09/06/2024]
Abstract
Phthalic acid esters (PAE) are widely used as plasticizers and have been classified as ubiquitous environmental contaminants of primary concern. PAE have accumulated intensively in surface water, groundwater, and wastewaters; thus, PAE degradation is essential. In the present study, the ability of a saline soil bacteria (SSB)-consortium to degrade synthetic wastewater-phthalates with alkyl chains of different lengths, such as diethyl phthalate (DEP), di-n-butyl phthalate (DBP), benzyl butyl phthalate (BBP), and di (2-ethylhexyl) phthalate (DEHP) was characterized. A central composite design-response surface methodology was applied to optimize the degradation of each phthalate, where the independent variables were temperature (21-41 °C), pH (5.3-8.6) and PAE concentration (79.5-920.4 mg L-1), and Gas Chromatography-Mass Spectrometry was used to identify the metabolites generated during phthalate degradation. Optimal conditions were 31 °C, pH 7.0, and an initial PAE concentration of 500 mg L-1, where the SSB-consortium removed 84.9%, 98.47%, 99.09% and 98.25% of initial DEP, DBP, BBP, and DEHP, respectively, in 168h. A first-order kinetic model explained - the biodegradation progression, while the half-life of PAE degradation ranged from 12.8 to 29.8 h. Genera distribution of the SSB-consortium was determined by bacterial meta-taxonomic analysis. Serratia, Methylobacillus, Acrhomobacter, and Pseudomonas were the predominant genera; however, the type of phthalate directly affected their distribution. Scanning electron microscopy analysis showed that high concentrations (1000 mg L-1) of phthalates induced morphological alterations in the bacterial SSB-consortium. The metabolite profiling showed that DEP, DBP, BBP, and DEHP could be fully metabolized through the de-esterification and β-oxidation pathways. Therefore, the SSB-consortium can be considered a potential candidate for bioremediation of complex phthalate-contaminated water resources.
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Affiliation(s)
- Marco A Pereyra-Camacho
- IPICyT, Instituto Potosino de Investigación Científica y Tecnológica A.C. Camino a la Presa San José No. 2055, Lomas 4a sección, San Luis Potosí, San Luis Potosí, 78216 Mexico
| | - Victor E Balderas-Hernández
- IPICyT, Instituto Potosino de Investigación Científica y Tecnológica A.C. Camino a la Presa San José No. 2055, Lomas 4a sección, San Luis Potosí, San Luis Potosí, 78216 Mexico
| | - Ana P Barba-de la Rosa
- IPICyT, Instituto Potosino de Investigación Científica y Tecnológica A.C. Camino a la Presa San José No. 2055, Lomas 4a sección, San Luis Potosí, San Luis Potosí, 78216 Mexico
| | - Antonio De Leon-Rodriguez
- IPICyT, Instituto Potosino de Investigación Científica y Tecnológica A.C. Camino a la Presa San José No. 2055, Lomas 4a sección, San Luis Potosí, San Luis Potosí, 78216 Mexico.
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12
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Lin Q, Zheng N, An Q, Xiu Z, Li X, Zhu H, Chen C, Li Y, Wang S. Phthalate monoesters accumulation in residential indoor dust and influence factors. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 948:174900. [PMID: 39047842 DOI: 10.1016/j.scitotenv.2024.174900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 07/14/2024] [Accepted: 07/18/2024] [Indexed: 07/27/2024]
Abstract
Phthalate monoesters (mPAEs) possess biological activity that matches or even exceeds that of their parent compounds, phthalate esters (PAEs), negatively impacting humans. Indoor dust is the main carrier of indoor pollutants. In this study, indoor dust samples were collected from 46 households in Changchun City, Jilin Province, in May 2019, and particulate and flocculent fibrous dust was used as the research target to analyze the concentration and compositional characteristics of mPAEs, primary metabolites of five significant PAEs. The influence of factors such as architectural features and living habits in residential areas on exposure to mPAEs was explored. Ten suspected enzyme genes along with two metabolic pathways with the ability to degrade PAEs were screened using PICRUSt2. The results showed that the total concentrations of the five mPAEs in the indoor dust samples were particulate dust (11.49-78.69 μg/g) and flocculent fibrous dust (21.61-72.63 μg/g), respectively. The molar concentration ratio (RC) of mPAEs to corresponding PAEs significantly differed among chemicals, with MMP/DMP and MEP/DEP sporting the highest RC values. Different bacterial types have shown distinct influences against mPAEs and PAEs. Enzyme function and metabolic pathway abundance had a significant effect on the concentration of some mPAEs, mPAEs are most likely derived from microbial degradation of PAEs.
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Affiliation(s)
- Qiuyan Lin
- College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Na Zheng
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130012, China; College of New Energy and Environment, Jilin University, Changchun 130012, China.
| | - Qirui An
- College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Zhifei Xiu
- College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Xiaoqian Li
- College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Huicheng Zhu
- College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Changcheng Chen
- College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Yunyang Li
- Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
| | - Sujing Wang
- College of New Energy and Environment, Jilin University, Changchun 130012, China
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13
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Kou L, Chen H, Zhang X, Liu S, Zhang B, Zhu H, Du Z. Enhanced degradation of phthalate esters (PAEs) by biochar-sodium alginate immobilised Rhodococcus sp. KLW-1. ENVIRONMENTAL TECHNOLOGY 2024; 45:3367-3380. [PMID: 37191443 DOI: 10.1080/09593330.2023.2215456] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 04/28/2023] [Indexed: 05/17/2023]
Abstract
In this study, a new strain of bacteria, named Rhodococcus sp. KLW-1, was isolated from farmland soil contaminated by plastic mulch for more than 30 years. To improve the application performance of free bacteria and find more ways to use waste biochar, KLW-1 was immobilised on waste biochar by sodium alginate embedding method to prepare immobilised pellet. Response Surface Method (RSM) predicted that under optimal conditions (3% sodium alginate, 2% biochar and 4% CaCl2), di (2-ethylhexyl) phthalate (DEHP) degradation efficiency of 90.48% can be achieved. Under the adverse environmental conditions of pH 5 and 9, immobilisation increased the degradation efficiency of 100 mg/L DEHP by 16.42% and 11.48% respectively, and under the high-stress condition of 500 mg/L DEHP concentration, immobilisation increased the degradation efficiency from 71.52% to 91.56%, making the immobilised pellets have strong stability and impact load resistance to environmental stress. In addition, immobilisation also enhanced the degradation efficiency of several phthalate esters (PAEs) widely existing in the environment. After four cycles of utilisation, the immobilised particles maintained stable degradation efficiency for different PAEs. Therefore, immobilised pellets have great application potential for the remediation of the actual environment.
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Affiliation(s)
- Liangwei Kou
- School of Environmental Engineering, Henan University of Technology, Zhengzhou, People's Republic of China
- Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, People's Republic of China
| | - Hanyu Chen
- School of Environmental Engineering, Henan University of Technology, Zhengzhou, People's Republic of China
- Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, People's Republic of China
| | - Xueqi Zhang
- School of Environmental Engineering, Henan University of Technology, Zhengzhou, People's Republic of China
- Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, People's Republic of China
| | - Shaoqin Liu
- School of Environmental Engineering, Henan University of Technology, Zhengzhou, People's Republic of China
- Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, People's Republic of China
| | - Baozhong Zhang
- School of Environmental Engineering, Henan University of Technology, Zhengzhou, People's Republic of China
- Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, People's Republic of China
| | - Huina Zhu
- School of Environmental Engineering, Henan University of Technology, Zhengzhou, People's Republic of China
- Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, People's Republic of China
| | - Zhimin Du
- School of Environmental Engineering, Henan University of Technology, Zhengzhou, People's Republic of China
- Henan International Joint Laboratory of Environmental Pollution, Remediation and Grain Quality Security, Zhengzhou, People's Republic of China
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14
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Li W, Zhu C, Song Y, Yuan Y, Li M, Sun Y. Arbuscular mycorrhizal fungi by inducing watermelon roots secretion phthalates, altering soil enzyme activity and bacterial community composition to alleviate the watermelon wilt. BMC PLANT BIOLOGY 2024; 24:593. [PMID: 38910247 PMCID: PMC11194901 DOI: 10.1186/s12870-024-05254-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Accepted: 06/05/2024] [Indexed: 06/25/2024]
Abstract
BACKGROUND Long-term continuous cropping has resulted in the frequent occurrence of fusarium wilt of watermelon (Citrullus lanatus). AMF inoculation can alleviate the continuous cropping barrier and reduce the incidence of fusarium wilt of watermelon. Our previous study found that the root exudates of mycorrhizal watermelon can enhance watermelon resistance to this disorder. It is necessary to further isolate and identify the specific compounds in root exudates of mycorrhizal watermelon and explore their control effects on fusarium wilt of continuous cropping watermelon. RESULT The results of this study showed that the root system of watermelon seedlings inoculated with AMF (Funneliformis mosseae or Glomus versiforme) secreted diisooctyl phthalate (A) and dibutyl phthalate (B). Compared with water treatment, treatment with 0.1 ml/L (A1, B1), 0.5 ml/L (A2, B2) and 1 ml/L (A3, B3) of A or B significantly increased soil enzyme activities, the numbers of bacteria and actinomycetes, and the bacteria/fungi ratio in the rhizosphere. Furthermore, the Disease indexes (DI) of A1 and B3 were 25% and 20%, respectively, while the prevention and control effects (PCE) were 68.8% and 75%, respectively. In addition, diisooctyl phthalate or dibutyl phthalate increased the proportions of Gemmatimonadetes, Chloroflexi, and Acidobacteria in the rhizosphere of continuous cropping watermelon, and decreased the proportions of Proteobacteria and Firmicutes, with Novosphingobium, Kaistobacter, Bacillus, and Acinetobacter as the predominant bacteria. Compared with the water treatment, the abundance of Neosphingosaceae, Kateybacterium and Bacillus in the A1 group was increased by 7.33, 2.14 and 2.18 times, respectively, while that in the B2 group was increased by 60.05%, 80.24% and 1 time, respectively. In addition, exogenous diisooctyl phthalate and dibutyl phthalate were shown to promote growth parameters (vine length, stem diameter, fresh weight and dry weight) and antioxidant enzyme system activities (SOD, POD and CAT) of continuous cropping watermelon. CONCLUSION Lower watermelon fusarium wilt incidence in mycorrhizal watermelons was associated with phthalate secretion in watermelons after AMF inoculation. Exogenous diisooctyl phthalate and dibutyl phthalate could alleviate the continuous cropping disorder of watermelon, reduce the incidence of fusarium wilt, and promote the growth of watermelon by increasing the enzyme activities and the proportion of beneficial bacteria in rhizosphere soil. In addition, the low concentration of phthalate diisooctyl and high concentration of phthalic acid dibutyl works best. Therefore, a certain concentration of phthalates in the soil can help alleviate continuous cropping obstacles.
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Affiliation(s)
- Wei Li
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
- Institute of Mycorrhizal Biotechnology, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
| | - Chengshang Zhu
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
- Institute of Mycorrhizal Biotechnology, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
| | - Yulu Song
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
- Institute of Mycorrhizal Biotechnology, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
| | - Yufan Yuan
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
- Institute of Mycorrhizal Biotechnology, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
| | - Min Li
- Institute of Mycorrhizal Biotechnology, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China
| | - Yingkun Sun
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao, 266109, Shandong, P. R. China.
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15
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Lequan Q, Yanan F, Xianda Z, Mengyuan B, Chenyu L, Shijin W. Mechanisms and high-value applications of phthalate isomers degradation pathways in bacteria. World J Microbiol Biotechnol 2024; 40:247. [PMID: 38904858 DOI: 10.1007/s11274-024-04060-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 06/18/2024] [Indexed: 06/22/2024]
Abstract
Phthalate isomers are key intermediates in the biodegradation of pollutants including waste polyethylene terephthalate (PET) plastics and plasticizers. So far, an increasing number of phthalate isomer-degrading strains have been isolated, and their degradation pathways show significant diversity. In this paper, we comprehensively review the current status of research on the degrading bacteria, degradation characteristics, aerobic and anaerobic degradation pathways, and degradation genes (clusters) of phthalate isomers, and discuss the current shortcomings and challenges. Moreover, the degradation process of phthalate isomers produces many important aromatic precursor molecules, which can be used to produce higher-value derivative chemicals, and the modification of their degradation pathways holds good prospects. Therefore, this review also highlights the current progress made in modifying the phthalate isomer degradation pathway and explores its potential for high-value applications.
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Affiliation(s)
- Qiu Lequan
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China.
| | - Fu Yanan
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Zhou Xianda
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Bao Mengyuan
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Li Chenyu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Wu Shijin
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China.
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16
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Kumar A, Shabnam AA, Khan SA. Accounting on silk for reducing microplastic pollution from textile sector: a viewpoint. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:38751-38755. [PMID: 36215004 DOI: 10.1007/s11356-022-23170-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: 05/27/2022] [Accepted: 09/18/2022] [Indexed: 06/16/2023]
Abstract
Microplastic pollution is the emerging issue in the recent past and has been identified in the remotely located ecosystems. The textile sector is one of the key contributors in the microplastic pollution. Keeping this in view, the present viewpoint has been planned to address the systematic possible reduction of microplastic pollution. It has been observed through the literature that silk is having a promising material to reduce the microplastic problems and its associated environmental risk due to its non-persistent nature.
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Affiliation(s)
- Amit Kumar
- Central Muga Eri Research and Training Institute-Central Silk Board, Lahdoigarh, Jorhat, Assam, 785700, India.
- Central Sericultural Research and Training Institute, Central Silk Board, Mysore, Karnataka, 570008, India.
| | - Aftab A Shabnam
- Central Muga Eri Research and Training Institute-Central Silk Board, Lahdoigarh, Jorhat, Assam, 785700, India
| | - Shakeel A Khan
- ICAR-Indian Agricultural Research Institute, New Delhi, 110011, India
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17
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Tang L, Wang Y, Yan W, Zhang Z, Luo S, Wen Q, Wang S, Zhou N, Chen Q, Xu Y. Exposure to di-2-ethylhexyl phthalate and breast neoplasm incidence: A cohort study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171819. [PMID: 38508268 DOI: 10.1016/j.scitotenv.2024.171819] [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: 12/08/2023] [Revised: 03/17/2024] [Accepted: 03/17/2024] [Indexed: 03/22/2024]
Abstract
BACKGROUND Phthalates are ubiquitous environmental endocrine disruptors. As the predominant phthalate, di-2-ethylhexyl phthalate (DEHP) has been considered possibly carcinogenic to humans but large-scale longitudinal evidence is needed to further clarify its carcinogenicity. OBJECTIVES To examine the association between DEHP exposure and incidence of breast malignant neoplasm, carcinoma in situ and benign neoplasm. METHODS A total of 273,295 women from UK Biobank cohort were followed up for a median of 13.5 years. Disease information was collected from National Health Service Cancer Registry and National Death Index. Baseline and yearly-average level of DEHP exposure were estimated for each individual by linking chemical monitoring record of European Environment Agency with home address of the participants by Kriging interpolation model. Cox proportional hazard model was employed to estimate the association between DEHP exposure and breast neoplasms. RESULTS The median (IQR) of baseline and yearly-average DEHP concentration were 8000.25 (interquartile range: 6657.85-11,948.83) and 8000.25 (interquartile range: 1819.93-11,359.55) μg/L. The highest quartile of baseline DEHP was associated with 1.11 fold risk of carcinoma in situ (95 % CI, 1.00, 1.23, p < 0.001) and 1.27 fold risk of benign neoplasm (95 % CI, 1.05, 1.54, p < 0.001). As for yearly-average exposure, each quartile of DEHP was positively associated with higher risk of malignant neoplasm (HR, 1.05; 95 % CI, 1.03, 1.07, p < 0.001), carcinoma in situ (HR, 1.08; 95 % CI, 1.04, 1.11, p < 0.001) and benign neoplasm (HR, 1.13; 95 % CI, 1.07, 1.20, p < 0.001). Stratification analysis showed no significant modification effects on the DEHP-neoplasm relationship by menopausal status or ethnicity but a suggestive higher risk in younger women and those who underwent oral contraceptive pill therapy. In sensitivity analysis, the associations remained when excluding the cases diagnosed within 2 years post baseline. CONCLUSIONS Real-world level of DEHP exposure was associated with higher risk of breast neoplasms. Because of the health risks associated with DEHP, its release to the environment should be managed.
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Affiliation(s)
- Lijuan Tang
- Department of Breast and Thyroid Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Yimeng Wang
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China
| | - Wenting Yan
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University, Chongqing, China
| | - Zhe Zhang
- Department of Breast and Thyroid Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Siwen Luo
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China
| | - Qiaorui Wen
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China; Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, China
| | - Shengfeng Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China; Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, China
| | - Niya Zhou
- Clinical Research Centre, Women and Children's Hospital of Chongqing Medical University and Chongqing Research Centre for Prevention & Control of Maternal and Child Diseases and Public Health, Women and Children's Hospital of Chongqing Medical University, Chongqing, China.
| | - Qing Chen
- Key Lab of Medical Protection for Electromagnetic Radiation, Ministry of Education of China, Institute of Toxicology, College of Preventive Medicine, Third Military Medical University (Army Medical University), Chongqing, China.
| | - Yan Xu
- Department of Breast and Thyroid Surgery, Daping Hospital, Army Medical University, Chongqing, China.
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18
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Devendrapandi G, Balu R, Ayyappan K, Ayyamperumal R, Alhammadi S, Lavanya M, Senthilkumar R, Karthika PC. Unearthing Earth's secrets: Exploring the environmental legacy of contaminants in soil, water, and sediments. ENVIRONMENTAL RESEARCH 2024; 249:118246. [PMID: 38278509 DOI: 10.1016/j.envres.2024.118246] [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: 11/01/2023] [Revised: 12/29/2023] [Accepted: 01/17/2024] [Indexed: 01/28/2024]
Abstract
The Earth's history is documented in human civilizations, soil layers, river movement, and quiet sediments throughout millennia. This investigation explores the significant legacy of environmental toxins in these key planet components. Understanding how ancient activity shaped the terrain is crucial as mankind faces environmental issues. This interdisciplinary study uses environmental science, archaeology, and geology to uncover Earth's mysteries. It illuminates the dynamic processes that have built our globe by studying pollutants and soil, water, and sediments. This research follows human actions, both intentional and unintentional, from ancient civilizations through contemporary industrialization and their far-reaching effects. Environmental destiny examines how contaminants affect ecosystems and human health. This study of past contamination helps solve modern problems including pollution cleanup, sustainable land management, and water conservation. This review studies reminds us that our previous activities still affect the ecosystem in a society facing rapid urbanisation and industrialization. It emphasises the importance of environmental stewardship and provides a framework for making educated choices to reduce toxins in soil, water, and sediments. Discovery of Earth's secrets is not only a historical curiosity; it's a necessary step towards a sustainable and peaceful cohabitation with our home planet.
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Affiliation(s)
- Gautham Devendrapandi
- Department of Computational Biology, Institute of Bioinformatics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Tamil Nadu, Thandalam, Chennai 602 105, India.
| | - Ranjith Balu
- Research and Development Cell, Lovely Professional University, Phagwara, 144411, India.
| | - K Ayyappan
- School of Maritime Studies of Vels Institute of Science, Technology & Advanced Studies, Chennai, India
| | - Ramamoorthy Ayyamperumal
- Key Laboratory of Western China's Environmental System, College of Earth and Environmental Sciences, Lanzhou 13 University, Lanzhou, 730000, China
| | - Salh Alhammadi
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyongsanbuk-do, 38541, Republic of Korea.
| | - Mahimaluru Lavanya
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam.
| | - R Senthilkumar
- Department of Naval Architecture and Offshore Engineering, AMET University, Chennai, India
| | - P C Karthika
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603203, Tamil Nadu, India.
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19
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Kushwaha M, Singh D, Akhter Y, Chatterjee S. Biodegradation of DEP, DIBP, and BBP by a psychrotolerant Sphingobium yanoikuyae strain P4: Degradation potentiality and mechanism study. Arch Microbiol 2024; 206:254. [PMID: 38727835 DOI: 10.1007/s00203-024-03977-7] [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: 12/05/2023] [Revised: 02/19/2024] [Accepted: 04/24/2024] [Indexed: 06/18/2024]
Abstract
Phthalic acid esters (PAEs) are human made chemicals widely used as plasticizers to enhance the flexibility of plastic products. Due to the lack of chemical bonding between phthalates and plastics, these materials can easily enter the environment. Deleterious effects caused by this chemo-pollutant have drawn the attention of the scientific community to remediate them from different ecosystem. In this context, many bacterial strains have been reported across different habitats and Sphingobium yanoikuyae strain P4 is among the few psychrotolerant bacterial species reported to biodegrade simple and complex phthalates. In the present study, biodegradation of three structurally different PAEs viz., diethyl phthalate (DEP), di-isobutyl phthalate (DIBP), and butyl benzyl phthalate (BBP) have been investigated by the strain P4. Quantitative analyses through High-performance liquid chromatography (HPLC) revealed that the bacterium completely degraded 1 g/L of DEP, DIBP, and BBP supplemented individually in minimal media pH 7.0 within 72, 54, and 120 h of incubation, respectively, at 28 °C and under shake culture condition (180 rpm). In addition, the strain could grow in minimal media supplemented individually with up to 3 g/L of DEP and 10.0 g/L of DIBP and BBP at 28 °C and pH 7.0. The strain also could grow in metabolites resulting from biodegradation of DEP, DIBP, and BBP, viz. n-butanol, isobutanol, butyric acid, ethanol, benzyl alcohol, benzoic acid, phthalic acid, and protocatechuic acid. Furthermore, phthalic acid and protocatechuic acid were also detected as degradation pathway metabolites of DEP and DIBP by HPLC, which gave an initial idea about the biodegradation pathway(s) of these phthalates.
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Affiliation(s)
- Madhulika Kushwaha
- Bioremediation and Metabolomics Research Group, Department of Environmental Sciences, Central University of Himachal Pradesh, Academic Block-Shahpur, District-Kangra, Himachal Pradesh, 176206, India
| | - Dharam Singh
- Molecular and Microbial Genetics Lab, Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, District-Kangra, Himachal Pradesh, 176061, India
| | - Yusuf Akhter
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow, Uttar Pradesh, 226025, India
| | - Subhankar Chatterjee
- Bioremediation and Metabolomics Research Group, Department of Environmental Sciences, Central University of Himachal Pradesh, Academic Block-Shahpur, District-Kangra, Himachal Pradesh, 176206, India.
- Bioremediation and Metabolomics Research Group, Department of Ecology & Environmental Sciences, School of Life Sciences, Pondicherry University, R.V. Nagar, Kalapet, Puducherry, 605 014, India.
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20
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Preston EV, Quinn MR, Williams PL, McElrath TF, Cantonwine DE, Seely EW, Wylie BJ, Hacker MR, O'Brien K, Brown FM, Powe CE, Bellavia A, Wang Z, Tomsho KS, Hauser R, James-Todd T. Cohort profile: the Environmental Reproductive and Glucose Outcomes (ERGO) Study (Boston, Massachusetts, USA) - a prospective pregnancy cohort study of the impacts of environmental exposures on parental cardiometabolic health. BMJ Open 2024; 14:e079782. [PMID: 38719310 PMCID: PMC11086466 DOI: 10.1136/bmjopen-2023-079782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 04/25/2024] [Indexed: 05/12/2024] Open
Abstract
PURPOSE Pregnancy and the postpartum period are increasingly recognised as sensitive windows for cardiometabolic disease risk. Growing evidence suggests environmental exposures, including endocrine-disrupting chemicals (EDCs), are associated with an increased risk of pregnancy complications that are associated with long-term cardiometabolic risk. However, the impact of perinatal EDC exposure on subsequent cardiometabolic risk post-pregnancy is less understood. The Environmental Reproductive and Glucose Outcomes (ERGO) Study was established to investigate the associations of environmental exposures during the perinatal period with post-pregnancy parental cardiometabolic health. PARTICIPANTS Pregnant individuals aged ≥18 years without pre-existing diabetes were recruited at <15 weeks of gestation from Boston, Massachusetts area hospitals. Participants completed ≤4 prenatal study visits (median: 12, 19, 26, 36 weeks of gestation) and 1 postpartum visit (median: 9 weeks), during which we collected biospecimens, health histories, demographic and behavioural data, and vitals and anthropometric measurements. Participants completed a postpartum fasting 2-hour 75 g oral glucose tolerance test. Clinical data were abstracted from electronic medical records. Ongoing (as of 2024) extended post-pregnancy follow-up visits occur annually following similar data collection protocols. FINDINGS TO DATE We enrolled 653 unique pregnancies and retained 633 through delivery. Participants had a mean age of 33 years, 10% (n=61) developed gestational diabetes and 8% (n=50) developed pre-eclampsia. Participant pregnancy and postpartum urinary phthalate metabolite concentrations and postpartum glycaemic biomarkers were quantified. To date, studies within ERGO found higher exposure to phthalates and phthalate mixtures, and separately, higher exposure to radioactive ambient particulate matter, were associated with adverse gestational glycaemic outcomes. Additionally, certain personal care products used in pregnancy, notably hair oils, were associated with higher urinary phthalate metabolite concentrations, earlier gestational age at delivery and lower birth weight. FUTURE PLANS Future work will leverage the longitudinal data collected on pregnancy and cardiometabolic outcomes, environmental exposures, questionnaires, banked biospecimens and paediatric data within the ERGO Study.
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Affiliation(s)
- Emma V Preston
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Marlee R Quinn
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Paige L Williams
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Thomas F McElrath
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Division of Maternal Fetal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - David E Cantonwine
- Division of Maternal Fetal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Ellen W Seely
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Blair J Wylie
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
- Department of Obstetrics and Gynecology, Columbia University Vagelos College of Physicians and Surgeons, New York City, New York, USA
| | - Michele R Hacker
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Karen O'Brien
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Florence M Brown
- Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Camille E Powe
- Diabetes Unit, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Department of Obstetrics and Gynecology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Andrea Bellavia
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Zifan Wang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Kathryn S Tomsho
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Russ Hauser
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Department of Obstetrics and Gynecology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Tamarra James-Todd
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
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21
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Feng NX, Li DW, Zhang F, Bin H, Huang YT, Xiang L, Liu BL, Cai QY, Li YW, Xu DL, Xie Y, Mo CH. Biodegradation of phthalate acid esters and whole-genome analysis of a novel Streptomyces sp. FZ201 isolated from natural habitats. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133972. [PMID: 38461665 DOI: 10.1016/j.jhazmat.2024.133972] [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: 01/17/2024] [Revised: 02/26/2024] [Accepted: 03/04/2024] [Indexed: 03/12/2024]
Abstract
Di-n-butyl phthalate (DBP) is one of the most extensively used phthalic acid esters (PAEs) and is considered to be an emerging, globally concerning pollutant. The genus Streptomyces holds promise as a degrader of various organic pollutants, but PAE biodegradation mechanisms by Streptomyces species remain unsolved. In this study, a novel PAE-degrading Streptomyces sp. FZ201 isolated from natural habitats efficiently degraded various PAEs. FZ201 had strong resilience against DBP and exhibited immediate degradation, with kinetics adhering to a first-order model. The comprehensive biodegradation of DBP involves de-esterification, β-oxidation, trans-esterification, and aromatic ring cleavage. FZ201 contains numerous catabolic genes that potentially facilitate PAE biodegradation. The DBP metabolic pathway was reconstructed by genome annotation and intermediate identification. Streptomyces species have an open pangenome with substantial genome expansion events during the evolutionary process, enabling extensive genetic diversity and highly plastic genomes within the Streptomyces genus. FZ201 had a diverse array of highly expressed genes associated with the degradation of PAEs, potentially contributing significantly to its adaptive advantage and efficiency of PAE degradation. Thus, FZ201 is a promising candidate for remediating highly PAE-contaminated environments. These findings enhance our preliminary understanding of the molecular mechanisms employed by Streptomyces for the removal of PAEs.
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Affiliation(s)
- Nai-Xian Feng
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Da-Wei Li
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Fei Zhang
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Hui Bin
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yi-Tong Huang
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Lei Xiang
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Bai-Lin Liu
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Quan-Ying Cai
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yan-Wen Li
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - De-Lin Xu
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yunchang Xie
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China.
| | - Ce-Hui Mo
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China.
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22
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Zhu YT, Wang XJ, Liu SL, Lai JH, Li JL, Li Q, Hu KD, Liu AP, Yang Y, He L, Chen SJ, Ao XL, Zou LK. Lactiplantibacillus plantarum RS20D Alleviates Male Reproductive Toxicity Induced by Pubertal Exposure to Di-n-butyl Phthalate and Mono-n-butyl Phthalate. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10276-6. [PMID: 38683273 DOI: 10.1007/s12602-024-10276-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
Phthalate acid esters (PAEs) and their metabolites, such as di-n-butyl phthalate (DBP) and mono-n-butyl phthalate (MBP), are known to cause male reproductive damage. Lactiplantibacillus plantarum RS20D has demonstrated the ability to remove both DBP and MBP in vitro, suggesting its potential as a detoxifying agent against these compounds. This study aimed to investigate the protective effects of RS20D on DBP or MBP-induced male reproductive toxicity in adolescent rats. Oral administration of RS20D significantly mitigated the histological damage to the testes caused by MBP or DBP, restored sperm concentration, morphological abnormalities, and the proliferation index in MBP-exposed rats, and partially reversed spermatogenic damage in DBP-exposed rats. Furthermore, RS20D restored serum levels of estradiol (E2) and testosterone, and superoxide dismutase (SOD) activity in DBP-exposed rats, significantly increased testosterone levels in MBP-exposed rats, and restored copper (Cu) concentrations in the testes after exposure to DBP or MBP. Additionally, RS20D effectively modulated the intestinal microbiota in DBP-exposed rats and partially ameliorated dysbiosis induced by MBP, which may be associated with the alleviation of reproductive toxic effects induced by DBP or MBP. In conclusion, this study demonstrates that RS20D administration can alleviate male reproductive toxicity and gut dysbacteriosis induced by DBP or MBP exposure, providing a dietary strategy for the bioremediation of PAEs and their metabolites.
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Affiliation(s)
- Yuan-Ting Zhu
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Xing-Jie Wang
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Shu-Liang Liu
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China.
| | - Jing-Hui Lai
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Jian-Long Li
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Qin Li
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Kai-di Hu
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Ai-Ping Liu
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Yong Yang
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Li He
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Shu-Juan Chen
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Xiao-Lin Ao
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, People's Republic of China
| | - Li-Kou Zou
- College of Resources, Sichuan Agricultural University, Chengdu, Sichuan, 611130, People's Republic of China
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23
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Tuli A, Suresh G, Halder N, Velpandian T. Analysis and remediation of phthalates in aquatic matrices: current perspectives. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:23408-23434. [PMID: 38456985 DOI: 10.1007/s11356-024-32670-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 02/23/2024] [Indexed: 03/09/2024]
Abstract
Phthalic acid esters (PAEs) are high production volume chemicals used extensively as plasticizers, to increase the flexibility of the main polymer. They are reported to leach into their surroundings from plastic products and are now a ubiquitous environmental contaminant. Phthalate levels have been determined in several environmental matrices, especially in water. These levels serve as an indicator of plasticizer abuse and plastic pollution, and also serve as a route of exposure to different species including humans. Reports published on effects of different PAEs on experimental models demonstrate their carcinogenic, teratogenic, reproductive, and endocrine disruptive effects. Therefore, regular monitoring and remediation of environmental water samples is essential to ascertain their hazard quotient and daily exposure levels. This review summarises the extraction and detection techniques available for phthalate analysis in water samples such as chromatography, biosensors, immunoassays, and spectroscopy. Current remediation strategies for phthalate removal such as adsorption, advanced oxidation, and microbial degradation have also been highlighted.
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Affiliation(s)
- Anannya Tuli
- High Precision Bio-Analytical Facility (DST-FIST Sponsored), Ocular Pharmacology and Pharmacy, Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Gayatri Suresh
- High Precision Bio-Analytical Facility (DST-FIST Sponsored), Ocular Pharmacology and Pharmacy, Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Nabanita Halder
- High Precision Bio-Analytical Facility (DST-FIST Sponsored), Ocular Pharmacology and Pharmacy, Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Thirumurthy Velpandian
- High Precision Bio-Analytical Facility (DST-FIST Sponsored), Ocular Pharmacology and Pharmacy, Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, 110029, India.
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24
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Lin Z, Wu W, Yang C, Yang G, Wu W, Wei T, Huang F, Li H, Ren L, Liang Y, Zhang D, Li Z, Zhen Z. Mechanisms of biochar assisted di-2-ethylhexyl phthalate (DEHP) biodegradation in tomato rhizosphere by metabolic and metagenomic analysis. CHEMOSPHERE 2024; 353:141520. [PMID: 38395368 DOI: 10.1016/j.chemosphere.2024.141520] [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: 08/28/2023] [Revised: 02/17/2024] [Accepted: 02/20/2024] [Indexed: 02/25/2024]
Abstract
The intensive accumulation of di-2-ethylhexyl phthalate (DEHP) in agricultural soils has resulted in severe environmental pollution that endangers ecosystem and human health. Biochar is an eco-friendly material that can help in accelerating organic pollutant degradation; nevertheless, its roles in enhancing DEHP removal in rhizosphere remain unclear. This work investigated the impacts of biochar dosage (0%-2.0%) on DEHP degradation performance in tomato rhizosphere by comprehensively exploring the change in DEHP metabolites, bacterial communities and DEHP-degrading genes. Our results showed a significant increase of rhizosphere pH, organic matter and humus by biochar amendment, which achieved a satisfactorily higher DEHP removal efficiency, maximally 77.53% in treatments with 1.0% of biochar. Biochar addition also remarkably changed rhizosphere bacterial communities by enriching some potential DEHP degraders of Nocardioides, Sphingomonas, Bradyrhizobium and Rhodanobacter. The abundance of genes encoding key enzymes (hydrolase, esterase and cytochrome P450) and DEHP-degrading genes (pht3, pht4, pht5, benC-xylZ and benD-xylL) were increased after biochar amendment, leading to the change in DEHP degradation metabolism, primarily from benzoic acid pathway to protocatechuic acid pathway. Our findings evidenced that biochar amendment could accelerate DEHP degradation by altering rhizosphere soil physicochemical variables, bacterial community composition and metabolic genes, providing clues for the mechanisms of biochar-assisted DEHP degradation in organic contaminated farmland soils.
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Affiliation(s)
- Zhong Lin
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang, 524088, PR China; Shenzhen Research Institute of Guangdong Ocean University, Shenzhen, 518108, PR China
| | - Weijian Wu
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang, 524088, PR China
| | - Changhong Yang
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, PR China
| | - Guiqiong Yang
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, PR China
| | - Weilong Wu
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, PR China
| | - Ting Wei
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, PR China
| | - Fengcheng Huang
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, PR China
| | - Huijun Li
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, PR China
| | - Lei Ren
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, PR China
| | - Yanqiu Liang
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang, 524088, PR China
| | - Dayi Zhang
- College of New Energy and Environment, Jilin University, Changchun, 130021, PR China
| | - Zhe Li
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, PR China.
| | - Zhen Zhen
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, PR China.
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25
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Xu Y, Sun Y, Lei M, Hou J. Phthalates contamination in sediments: A review of sources, influencing factors, benthic toxicity, and removal strategies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 344:123389. [PMID: 38246215 DOI: 10.1016/j.envpol.2024.123389] [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: 08/28/2023] [Revised: 11/18/2023] [Accepted: 01/16/2024] [Indexed: 01/23/2024]
Abstract
Sediments provide habitat and food for benthos, and phthalates (PAEs) have been detected in numerous river and marine sediments as a widely used plastic additive. PAEs in sediments is not only toxic to benthos, but also poses a threat to pelagic fish and human health through the food chain, so it is essential to comprehensively assess the contamination of sediments with PAEs. This paper presents a critical evaluation of PAEs in sediments, which is embodied in the analysis of the sources of PAEs in sediments from multiple perspectives. Biological production is indispensable, while artificial synthesis is the most dominant, thus the focus was on analyzing the industrial and commercial sources of synthetic PAEs. In addition, since the content of PAEs in sediments varies, some factors affecting the content of PAEs in sediments are summarized, such as the properties of PAEs, the properties of plastics, and environmental factors (sediments properties and hydrodynamic conditions). As endocrine disruptors, PAEs can produce toxicity to its direct contacts. Therefore, the effects of PAEs on benthos immunity, endocrinology, reproduction, development, and metabolism were comprehensively analyzed. In addition, we found that reciprocal inhibition and activation of the systems lead to genotoxicity and apoptosis. Finally, the paper discusses the feasible measures to control PAEs in wastewater and leachate from the perspective of source control, and summarizes the in-situ treatment measures for PAEs contamination in sediments. This paper provides a comprehensive review of PAEs contamination in sediments, toxic effects and removal strategies, and provides an important reference for reducing the contamination and toxicity of PAEs to benthos.
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Affiliation(s)
- Yanli Xu
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, China.
| | - Yuqiong Sun
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, China.
| | - Ming Lei
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, China.
| | - Jing Hou
- MOE Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, China.
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26
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Lyu L, Tao Y, Abaakil K, Gu Y, Zhong G, Hu Y, Zhang Y. Novel insights into DEHP-induced zebrafish spleen damage: Cellular apoptosis, mitochondrial dysfunction, and innate immunity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169324. [PMID: 38145680 DOI: 10.1016/j.scitotenv.2023.169324] [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: 09/18/2023] [Revised: 11/15/2023] [Accepted: 12/10/2023] [Indexed: 12/27/2023]
Abstract
DEHP (Di(2-ethylhexyl) phthalate) is the most abundant phthalate component detected in environmental samples as it is widely used in the manufacturing of children's toys, medical devices and furniture. Due to its wide prevalence and propensity to accumulate in the food chain, significant concerns have risen about the safety profile of DEHP. Here, we used a zebrafish model to investigate the toxicity mechanisms of DEHP. Our results indicated that exposure to DEHP altered the ROS content in zebrafish spleen and inhibited the activities of antioxidant enzymes SOD and CAT, detoxification enzyme GSH-Px and induced histopathological damage. In addition, elucidated the mechanism of DEHP significantly promoted apoptosis and caused damage in spleen cells through the bax/bcl-2 pathway. Further genetic testing demonstrated significant alterations in mitochondrial biogenesis, fission, and fusion-related genes and suggested potential mechanistic pathways, including GM10532/m6A/FIS1 axis, the STAT3/POA1 axis, and the NFR1/TFAM axis. Serological and genomic analysis indicated that DEHP exposure activated the C3 complement cascade immune pathway and interfered with innate immune function. IBRv2 analysis proposes that innate immunity may serve as a signal indicator of early toxic responses to DEHP pollutants. This study provided comprehensive cellular and genetic data for DEHP toxicity studies and emphasized the need for future management and remediation of DEHP contamination. It also provides data to specifically support the health risk assessments of DEHP, as well as contributing to broader health and environmental research.
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Affiliation(s)
- Liang Lyu
- College of Resources and Environment, Northeast Agricultural University, Changjiang Street 600, Harbin 150030, PR China; Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, SW7 2AZ London, UK.
| | - Yue Tao
- College of Resources and Environment, Northeast Agricultural University, Changjiang Street 600, Harbin 150030, PR China
| | - Kaoutar Abaakil
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, SW7 2AZ London, UK.
| | - Yanyan Gu
- College of Resources and Environment, Northeast Agricultural University, Changjiang Street 600, Harbin 150030, PR China
| | - Guanyu Zhong
- College of Resources and Environment, Northeast Agricultural University, Changjiang Street 600, Harbin 150030, PR China
| | - Yang Hu
- College of Resources and Environment, Northeast Agricultural University, Changjiang Street 600, Harbin 150030, PR China
| | - Ying Zhang
- College of Resources and Environment, Northeast Agricultural University, Changjiang Street 600, Harbin 150030, PR China.
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27
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Kim D, Shin Y, Kim HS, Park KH, Bae ON. An integrated in vitro approach to identifying chemically induced oxidative stress and toxicity in mitochondria. CHEMOSPHERE 2024; 349:140857. [PMID: 38070616 DOI: 10.1016/j.chemosphere.2023.140857] [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: 08/28/2023] [Revised: 11/05/2023] [Accepted: 11/28/2023] [Indexed: 01/10/2024]
Abstract
Growing concerns exist about increasing chemical usage and the potential health risks. Developing an efficient strategy to evaluate or predict the toxicity of chemicals is necessary. The mitochondria are essential organelles for cell maintenance and survival but also serve as one of the main targets of toxic chemicals. Mitochondria play an important role in the pathology of respiratory disease, and many environmental chemicals may induce impairment of the respiratory system through mitochondrial damage. This study aimed to develop integrated in vitro approaches to identify chemicals that could induce adverse health effects by increasing mitochondria-mediated oxidative stress using the H441 cells, which have a club-cell-like phenotype. Twenty-six environmental toxicants (biocides, phthalates, bisphenols, and particles) were tested, and each parameter was compared with eleven reference compounds. The inhibitory concentrations (IC20 and IC50) and benchmark doses (BMD) of the tested compounds were estimated from three in vitro assays, and the toxic concentration was determined. At the lowest IC20, the effects of compounds on mitochondrial reactive oxygen species (ROS) production and mitochondrial membrane potential (MMP) were compared. Principal component analysis and k-mean clustering were performed to cluster the chemicals that had comparable effects on the cells. Chemicals that induce mitochondrial damage at different concentrations were used for an in-depth high-tier assessment and classification as electron transport system (ETS) uncoupling or inhibiting agents. Additionally, using in vitro to in vivo extrapolation (IVIVE) tools, equivalent administration doses and maximum plasma concentrations of tested compounds in human were estimated. This study suggests an in vitro approach to identifying mitochondrial damage by integrating several in vitro toxicity tests and calculation modeling.
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Affiliation(s)
- Donghyun Kim
- College of Pharmacy Institute of Pharmaceutical Science and Technology, Hanyang University ERICA Campus, Ansan, South Korea.
| | - Yusun Shin
- College of Pharmacy Institute of Pharmaceutical Science and Technology, Hanyang University ERICA Campus, Ansan, South Korea.
| | - Hyung Sik Kim
- Division of Toxicology, School of Pharmacy, Sungkyunkwan University, Suwon, South Korea.
| | - Kyung-Hwa Park
- Division of Chemical Research, National Institute of Environmental Research, Incheon, South Korea.
| | - Ok-Nam Bae
- College of Pharmacy Institute of Pharmaceutical Science and Technology, Hanyang University ERICA Campus, Ansan, South Korea.
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Peer Muhamed Noorani KR, Flora G, Surendarnath S, Mary Stephy G, Amesho KTT, Chinglenthoiba C, Thajuddin N. Recent advances in remediation strategies for mitigating the impacts of emerging pollutants in water and ensuring environmental sustainability. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119674. [PMID: 38061098 DOI: 10.1016/j.jenvman.2023.119674] [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: 11/01/2023] [Accepted: 11/20/2023] [Indexed: 01/14/2024]
Abstract
The proliferation of emerging pollutants (EPs), encompassing a range of substances such as phthalates, phenolics, pharmaceuticals, pesticides, personal care products, surfactants, and disinfection agents, has become a significant global concern due to their potential risks to the environment and human well-being. Over the past two decades, numerous research studies have investigated the presence of EPs in wastewater and aquatic ecosystems, with the United States Environmental Protection Agency (USEPA) categorizing these newly introduced chemical compounds as emerging contaminants due to their poorly understood impact. EPs have been linked to adverse health effects in humans, including genotoxic and cytotoxic effects, as well as conditions such as obesity, diabetes, cardiovascular disease, and reproductive abnormalities, often associated with their estrogenic action. Microalgae have shown promise in the detoxification of both inorganic and organic contaminants, and several large-scale microalgal systems for wastewater treatment have been developed. However, the progress of algal bioremediation can be influenced by accidental contaminations and operational challenges encountered in pilot-scale research. Microalgae employ various processes, such as bioadsorption, biouptake, and biodegradation, to effectively remediate EPs. During microalgal biodegradation, complex chemical compounds are transformed into simpler substances through catalytic metabolic degradation. Integrating algal bioremediation with existing treatment methodologies offers a viable approach for efficiently eliminating EPs from wastewater. This review focuses on the use of algal-based biological remediation processes for wastewater treatment, the environmental impacts of EPs, and the challenges associated with implementing algal bioremediation systems to effectively remove emerging pollutants.
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Affiliation(s)
- Kalilur Rahman Peer Muhamed Noorani
- National Repository for Microalgae and Cyanobacteria - Freshwater (NRMC-F), (Sponsored by DBT, Govt. of India), Department of Microbiology, Bharathidasan University, Tiruchirappalli, 620 024, India
| | - G Flora
- PG and Research Department of Botany, St. Mary's College (Autonomous), Thoothukudi, Tamil Nadu, India
| | - S Surendarnath
- Department of Mechanical Engineering, DVR & Dr. HS MIC College of Technology (A), Vijayawada, 521 180, Andhra Pradesh, India
| | - G Mary Stephy
- PG and Research Department of Botany, St. Mary's College (Autonomous), Thoothukudi, Tamil Nadu, India
| | - Kassian T T Amesho
- Institute of Environmental Engineering, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan; Center for Emerging Contaminants Research, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan; The International University of Management, Centre for Environmental Studies, Main Campus, Dorado Park Ext 1, Windhoek, Namibia; Destinies Biomass Energy and Farming Pty Ltd, P.O.Box 7387, Swakomund, Namibia
| | | | - Nooruddin Thajuddin
- National Repository for Microalgae and Cyanobacteria - Freshwater (NRMC-F), (Sponsored by DBT, Govt. of India), Department of Microbiology, Bharathidasan University, Tiruchirappalli, 620 024, India; School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, India.
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Zhou L, Yang J, Liu H, Rang Y, Xu L, Wang X, Li Y, Liu C. Lycium barbarum polysaccharides attenuate oxidative stress and mitochondrial toxicity induced by mixed plasticizers in HepG2 cells through activation of Nrf2. Life Sci 2024; 336:122346. [PMID: 38072188 DOI: 10.1016/j.lfs.2023.122346] [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: 10/12/2023] [Revised: 11/29/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023]
Abstract
AIMS In daily life, it is common for humans to be exposed to multiple phthalate esters (PAEs). However, there is limited research on the mechanisms and intervention of combined PAEs toxicity. This study aims to explore the cytotoxicity of combined PAEs and evaluate the potential of Lycium barbarum polysaccharides (LBP) in mitigating the aforementioned toxicity. MAIN METHODS LBP (62.5, 125 and 250 μg/mL) were applied to intervene HepG2 cells treated with DEHP and DBP mixtures (50, 100, 200, 400 and 800 μg/mL). Western Blot and different kits were mainly performed in our study. KEY FINDINGS DEHP and DBP mixtures suppressed the expression of nuclear factor E2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1) and activated MAPK pathway by increasing ROS. Combined DEHP and DBP exposure reduced ATP content and inhibited the mitochondrial biogenesis pathway in HepG2 cells through oxidative stress, which in turn caused cytotoxicity. LBP reduced oxidative stress and cell death induced by mixed plasticizers, upregulated Nrf2 levels and mitochondrial biogenesis pathway levels and inhibited MAPK pathway activation. Notably, after treating HepG2 cells with Nrf2-specific inhibitor (ML385, 0.5 μM), we found that the activation of Nrf2 played a crucial role on LBP intervention of DEHP and DBP induced HepG2 cytotoxicity. SIGNIFICANCE This study not only enhances our understanding of the toxicological effects caused by combined PAEs exposure, but also has significant implications in devising strategies to mitigate the toxicological consequences of combined exposure to exogenous chemicals through the investigation of the role of LBP.
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Affiliation(s)
- Lizi Zhou
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Jiao Yang
- College of Bioengineering, Jingchu University of Technology, Jingmen 448000, China
| | - Huan Liu
- College of Life Sciences, Hubei Normal University, Huangshi 435000, China
| | - Yifeng Rang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Linjing Xu
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Xukai Wang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Yinhuan Li
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China
| | - Chunhong Liu
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; The Key Laboratory of Food Quality and Safety of Guangdong Province, Guangzhou 510642, China.
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Devi T, Saleh NM, Kamarudin NHN, Roslan NJ, Jalil R, Hamid HA. Efficient adsorption of organic pollutants phthalates and bisphenol A (BPA) utilizing magnetite functionalized covalent organic frameworks (MCOFs): A promising future material for industrial applications. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 268:115706. [PMID: 37992639 DOI: 10.1016/j.ecoenv.2023.115706] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 10/26/2023] [Accepted: 11/14/2023] [Indexed: 11/24/2023]
Abstract
The utilization of phthalates and bisphenol A (BPA) as the major component in plastic and its derivative industry has raised concerns among the public due to the harmful effects caused by these organic pollutants. These pollutants are found to exhibit unique physicochemical properties that allow the pollutants to have prolonged existence in the environment, thus causing damage to the environment. Since phthalates and bisphenol A are used in a variety of industrial applications, the industry must recover these compounds from its water before releasing the pollutants into the environment. As a result, these materials have a promising future in industrial applications. Therefore, the discovery of new quick and reliable abatement technologies is important to ensure that these organic pollutants can be detected and removed from the water sources. This review highlights the use of the adsorption method to remove phthalates and BPA from water sources by employing novel modified adsorbent magnetite functionalized covalent organic frameworks (MCOFs). MCOFs is a new class of porous materials that have demonstrated promising features in a variety of applications due to their adaptable structures, significant surface areas, configurable porosity, and customizable chemistry. The structural attributes, functional design strategies, and specialized for environmental applications before offering some closing thoughts and suggestions for further research were discussed in this paper in addition to developing an innovative solution for the industry to the accessibility for clean water.
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Affiliation(s)
- Tanusha Devi
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, The National University of Malaysia (UKM), 43600 UKM Bangi, Selangor, Malaysia
| | - Noorashikin Md Saleh
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, The National University of Malaysia (UKM), 43600 UKM Bangi, Selangor, Malaysia.
| | - Nur Hidayatul Nazirah Kamarudin
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, The National University of Malaysia (UKM), 43600 UKM Bangi, Selangor, Malaysia
| | - Nursyafiqah Jori Roslan
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, The National University of Malaysia (UKM), 43600 UKM Bangi, Selangor, Malaysia
| | - Rafidah Jalil
- Forest Products Division, Forest Research Institute Malaysia (FRIM), 52109 Kepong, Selangor, Malaysia
| | - Husna Abdul Hamid
- Unison Nutraceuticals Sdn. Bhd., No.13, Jln. TU 52, Tasek Utama Industrial Estate, Ayer Keroh, 75450 Melaka, Malaysia
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Chen Y, Wang Y, Tan Y, Jiang C, Li T, Yang Y, Zhang Z. Phthalate esters in the Largest River of Asia: An exploration as indicators of microplastics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 902:166058. [PMID: 37553051 DOI: 10.1016/j.scitotenv.2023.166058] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 07/15/2023] [Accepted: 08/02/2023] [Indexed: 08/10/2023]
Abstract
Phthalate esters (PAEs) are the most ubiquitous and highly used plasticizers in plastic products globally, yet studies on the spatial variation, risks, and their correlation with microplastics (MPs) are limited, particularly throughout the Yangtze River (the largest river in China/Asia). Therefore, this study investigated for the first time the PAEs pollution characteristics throughout the Yangtze River sediments, studied the environmental factors linked to the distribution of PAEs, and explored their potential as chemical indicators for interpreting pollution patterns of MPs. Totally 14 out of 16 PAEs were detected in sediments, with total concentrations ranging from 84.67 ng/g to 274.0 ng/g (mean: 163.5 ng/g), dominated by Bis(2-ethylhexyl) phthalate (DEHP), Di-n-butyl phthalate (DBP), and Di-isobutyl phthalate (DIBP), with contributions of 38.9 %, 31.8 %, and 20.8 %, respectively. Spatial distribution of PAEs did not indicate significant differences, which may be related to anthropogenic activities (i.e., emission intensity), runoff, and sediment physicochemical properties (i.e., TOC and TN), with TOC and TN being potential predictors of PAEs. The quantitative relationships (p < 0.001) between DEHP/∑16PAEs ratio and MPs (both individual and total MPs) were found in sediments, which suggested that DEHP could be potentially used as an indicator for MPs. DEHP, DIBP, and DBP posed high risks, accounting for 100 %, 68.4 %, and 10.5 % of the monitoring sites, respectively. Further work is necessary to better understand the relationship between DEHP/∑16PAEs and MPs in the environment and to take corresponding management and control measures for these pollutants.
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Affiliation(s)
- Yulin Chen
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Yile Wang
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Yang Tan
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Chunxia Jiang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China
| | - Tianyi Li
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Yuyi Yang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China.
| | - Zulin Zhang
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China; The James Hutton Institute, Craigiebuckler, Aberdeen AB15 8QH, UK.
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Gulcay-Ozcan E, Iacomi P, Brântuas PF, Rioland G, Maurin G, Devautour-Vinot S. Metal-Organic Frameworks for Phthalate Capture. ACS APPLIED MATERIALS & INTERFACES 2023; 15:48216-48224. [PMID: 37793090 DOI: 10.1021/acsami.3c10481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
Indoor air contamination by phthalate ester (PAE) derivatives has become a significant concern since traces of PAEs can cause endocrine disruption, among other health issues. PAE abatement from the environment is thus mandatory to further ensure a good quality of indoor air. Herein, we explored the physisorption-based capture of volatile PAEs by metal-organic frameworks (MOFs). A high-throughput computational screening approach was first applied on databases compiling more than 20,000 MOF structures in order to identify the best MOFs for adsorbing traces of dimethyl phthalate (DMP), considered as a representative molecule of the family of PAE contaminants. Among the 20 top candidates, MOF-74(Ni), which combines substantial DMP uptake at the 10 ppm concentration level (∼0.20 g g-1) with high adsorption enthalpy at infinite dilution (-ΔHads(DMP),0 = 109.9 kJ mol-1), was revealed as an excellent porous material to capture airborne DMP. This prediction was validated by further experiments: gravimetric sorption isotherms were carried out on MOF-74(Ni), replacing DMP by dimethyl maleate (DMM), a molecule with a higher vapor pressure and indeed easier to manipulate compared to DMP while mimicking the adsorption behavior of DMP by MOFs, as evidenced by Monte Carlo calculations. Notably, saturation of DMM by MOF-74(Ni) (∼0.35 g g-1 at 343 K) occurs at very low equivalent concentration of the sorbate, i.e., 15 ppm, while half of the DMM molecules remain trapped in the MOF pores, even by heating the system up to 473 K under vacuum. This computational-experimental study reveals for the first time the potential of MOFs for the capture of phthalate ester contaminants as vapors of key importance to address indoor air quality issues.
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Affiliation(s)
- Ezgi Gulcay-Ozcan
- Institut Charles Gerhardt Montpellier, Univ. Montpellier, CNRS, ENSCM, Montpellier F-34293, France
- Centre National d'Etudes Spatiales, DTN/QE/LE, 18 Avenue Edouard Belin, Toulouse 31401 Cedex 09, France
- Department of Chemical Engineering, Yeditepe University, Istanbul 34755, Turkey
| | - Paul Iacomi
- Institut Charles Gerhardt Montpellier, Univ. Montpellier, CNRS, ENSCM, Montpellier F-34293, France
- Surface Measurement Systems, Unit 5, Wharfside, Rosemont Road, London HA0 4PE, U.K
| | - Pedro F Brântuas
- Institut Charles Gerhardt Montpellier, Univ. Montpellier, CNRS, ENSCM, Montpellier F-34293, France
| | - Guillaume Rioland
- Centre National d'Etudes Spatiales, DTN/QE/LE, 18 Avenue Edouard Belin, Toulouse 31401 Cedex 09, France
| | - Guillaume Maurin
- Institut Charles Gerhardt Montpellier, Univ. Montpellier, CNRS, ENSCM, Montpellier F-34293, France
| | - Sabine Devautour-Vinot
- Institut Charles Gerhardt Montpellier, Univ. Montpellier, CNRS, ENSCM, Montpellier F-34293, France
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Zhang M, Liu C, Yuan XQ, Cui FP, Miao Y, Yao W, Qin DY, Deng YL, Chen PP, Zeng JY, Liu XY, Wu Y, Li CR, Lu WQ, Li YF, Zeng Q. Individual and joint associations of urinary phthalate metabolites with polycystic ovary and polycystic ovary syndrome: Results from the TREE cohort. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 102:104233. [PMID: 37473789 DOI: 10.1016/j.etap.2023.104233] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 06/01/2023] [Accepted: 07/17/2023] [Indexed: 07/22/2023]
Abstract
Phthalates are widespread endocrine disrupting chemicals that adversely affect female reproductive health. We aimed to investigate the individual and joint associations of phthalate exposures measured by repeated urinary metabolites with polycystic ovary (PCO) and polycystic ovary syndrome (PCOS) (96 PCO cases, 96 PCOS cases and 370 controls). In single-pollutant analyses, mono-isobutyl phthalate (MiBP), monobenzyl phthalate (MBzP) and the sum of di(2-ethylhexyl) phthalate (∑DEHP) were associated with increased prevalence of PCO. Mono(2-ethylhexyl) phthalate (MEHP), MBzP and ∑DEHP were associated with elevated prevalence of PCOS. In multiple-pollutant analyses, one-quartile increase of weighted quantile sum index in phthalate metabolite mixtures was associated with increased prevalence of PCO and PCOS, and MBzP was the most major contributor. Our findings suggest a potential role for phthalate exposures, both individually and in mixtures, in the development of PCO and PCOS.
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Affiliation(s)
- Min Zhang
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Chong Liu
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China.
| | - Xiao-Qiong Yuan
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095, Jiefang Avenue, Wuhan, Hubei, PR China
| | - Fei-Peng Cui
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Yu Miao
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Wen Yao
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095, Jiefang Avenue, Wuhan, Hubei, PR China
| | - Dan-Yu Qin
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095, Jiefang Avenue, Wuhan, Hubei, PR China
| | - Yan-Ling Deng
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Pan-Pan Chen
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Jia-Yue Zeng
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Xiao-Ying Liu
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Yang Wu
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Cheng-Ru Li
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Wen-Qing Lu
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Yu-Feng Li
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095, Jiefang Avenue, Wuhan, Hubei, PR China.
| | - Qiang Zeng
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China.
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Singh S, Malyan SK, Maithani C, Kashyap S, Tyagi VK, Singh R, Malhotra S, Sharma M, Kumar A, Panday BK, Pandey RP. Microplastics in landfill leachate: Occurrence, health concerns, and removal strategies. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 342:118220. [PMID: 37290308 DOI: 10.1016/j.jenvman.2023.118220] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 04/26/2023] [Accepted: 05/19/2023] [Indexed: 06/10/2023]
Abstract
Landfills are commonly used to manage solid waste, but they can contribute to microplastic (MPs) pollution. As plastic waste degrades in landfills, MPs are released into the surrounding environment, contaminating soil, groundwater, and surface water. This poses a threat to human health and the environment, as MPs can adsorb toxic substances. This paper provides a comprehensive review of the degradation process of macroplastics into microplastics, the types of MPs found in landfill leachate (LL), and the potential toxicity of microplastic pollution. The study also evaluates various physical-chemical and biological treatment methods for removing MPs from wastewater. The concentration of MPs in young landfills is higher than in old landfills, and specific polymers such as polypropylene, polystyrene, nylon, and polycarbonate contribute significantly to microplastic contamination. Primary treatments such as chemical precipitation and electrocoagulation can remove up to 60-99% of total MPs from wastewater, while tertiary treatments such as sand filtration, ultrafiltration, and reverse osmosis can remove up to 90-99%. Advanced techniques, such as a combination of membrane bioreactor, ultrafiltration, and nanofiltration (MBR + UF + NF), can achieve even higher removal rates. Overall, this paper highlights the importance of continuous monitoring of microplastic pollution and the need for effective microplastic removal from LL to protect human and environmental health. However, more research is needed to determine the actual cost and feasibility of these treatment processes at a larger scale.
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Affiliation(s)
- Sandeep Singh
- Environmnetal Hydrology Division, National Institute of Hydrology, Roorkee, 247667, India
| | - Sandeep K Malyan
- Department of Environmental Studies, Dyal Singh Evening College, University of Delhi, New Delhi, 110003, India
| | - Chinmay Maithani
- Department of Civil Engineering, National Institute of Technology Warangal, Hanumakonda, 506004, India
| | | | - Vinay Kumar Tyagi
- Environmnetal Hydrology Division, National Institute of Hydrology, Roorkee, 247667, India
| | - Rajesh Singh
- Environmnetal Hydrology Division, National Institute of Hydrology, Roorkee, 247667, India.
| | - Sarthak Malhotra
- Department of Environmental Studies, Dyal Singh Evening College, University of Delhi, New Delhi, 110003, India
| | - Manish Sharma
- Department of Botany, University of Rajasthan, Jaipur, Rajasthan, 302004, India
| | - Amit Kumar
- Soil Science and Chemistry Section, Host Plant Division, Central Sericultural Research & Training Institute, CSB, Mysore, Karnataka, 570008, India
| | - Bijay K Panday
- State Water and Sanitation Mission, Government of Uttrakhand, Dehradun, Uttarakhand, 248002, India
| | - R P Pandey
- Environmnetal Hydrology Division, National Institute of Hydrology, Roorkee, 247667, India
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Bulbul M, Kumar S, Ajay K, Anoop A. Spatial distribution and characteristics of microplastics and associated contaminants from mid-altitude lake in NW Himalaya. CHEMOSPHERE 2023; 326:138415. [PMID: 36925020 DOI: 10.1016/j.chemosphere.2023.138415] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 02/23/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
Despite the worldwide concern over the impact of microplastics (MPs) and associated organic contaminants, the information regarding the occurrence and characteristics of these emerging class of pollutants is limited in freshwater environment. We present data on the distribution and concentration levels of MPs and phthalate esters (PAEs) from Rewalsar Lake, a shallow eutrophic lake in Northwest Himalaya. The MPs were identified in all samples, with concentration of 13-238 particles L-1 and 750 to 3020 particles kg-1 dry weight (dw) in surface water and sediments respectively. Majority of MPs were dominated by polystyrene, polyethylene, polypropylene polymers that principally occurred in the form of pellets and fragments. The MPs distribution was different among sampling sites, being more abundant to sites in the proximity of domestic sewage effluents and high level of religious and tourist activities. The di-isobutyl phthalate, dibutyl phthalate (DBP) and its branched isomer, di(2-ethylhexyl) phthalate (DEHP) are the identified PAE congeners in sediments, and the measured total concentrations of Σ3PAE ranged from 1.69 μg/g to 4.03 μg/g dw. Notably, concentration values of DEHP were higher as compared to other detected phthalates, and exceeded recommended environmental risk limit. The findings of this study emphasize the requirement for proper waste management measures in the region to reduce entry of these pollutants into the ecosystem. Further, this work contributes to the understanding of MPs and PAEs potential contamination profiles and sources in freshwater environments, and provides valuable information for future management decisions.
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Affiliation(s)
- Mehta Bulbul
- Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, 140306, India
| | - Sunil Kumar
- Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, 140306, India
| | - Kumar Ajay
- Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, 140306, India
| | - Ambili Anoop
- Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, 140306, India.
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36
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Liu YY, Zhang YX, Wen HM, Liu XL, Fan XJ. Cloning and rational modification of a cold-adapted esterase for phthalate esters and parabens degradation. CHEMOSPHERE 2023; 325:138393. [PMID: 36925017 DOI: 10.1016/j.chemosphere.2023.138393] [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: 08/31/2022] [Revised: 02/01/2023] [Accepted: 03/11/2023] [Indexed: 06/18/2023]
Abstract
Phthalate esters (PAEs) and parabens are environmental pollutants that can be toxic to human health. Herein, a cold-adapted esterase from the Mao-tofu metagenome named Est1260 was screened for its PAE-hydrolyzing potential in cold temperatures. The results showed that purified Est1260 could degrade a variety of PAEs and parabens at temperatures as low as 0 °C. After careful analysis of the structural information and molecular docking, site-saturation mutation was conducted at the identified hotspots. Protein expression of variant A1B6 doubled, and its thermal stability significantly improved (24 times) without sacrificing activity at low temperatures. In addition, Est1260 and its variants were activated by NaCl and demonstrated resistance to high concentrations of saline (up to 5 M), making it a potential biocatalyst for bioremediation of PAE and paraben-polluted environments.
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Affiliation(s)
- Yan-Yan Liu
- School of Basic Medical Sciences, Anhui Medical University, 81 Meishan Rd, Hefei, 230032, Anhui, People's Republic of China; Clinical Laboratory of Suzhou First People's Hospital, People's Republic of China
| | - Yi-Xin Zhang
- School of Basic Medical Sciences, Anhui Medical University, 81 Meishan Rd, Hefei, 230032, Anhui, People's Republic of China
| | - Hua-Mei Wen
- School of Basic Medical Sciences, Anhui Medical University, 81 Meishan Rd, Hefei, 230032, Anhui, People's Republic of China
| | - Xiao-Long Liu
- School of Basic Medical Sciences, Anhui Medical University, 81 Meishan Rd, Hefei, 230032, Anhui, People's Republic of China; University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
| | - Xin-Jiong Fan
- School of Basic Medical Sciences, Anhui Medical University, 81 Meishan Rd, Hefei, 230032, Anhui, People's Republic of China.
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Mariana M, Castelo-Branco M, Soares AM, Cairrao E. Phthalates' exposure leads to an increasing concern on cardiovascular health. JOURNAL OF HAZARDOUS MATERIALS 2023; 457:131680. [PMID: 37269565 DOI: 10.1016/j.jhazmat.2023.131680] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 05/19/2023] [Accepted: 05/21/2023] [Indexed: 06/05/2023]
Abstract
Being an essential component in the plastics industry, phthalates are ubiquitous in the environment and in everyday life. They are considered environmental contaminants that have been classified as endocrine-disrupting compounds. Despite di-2-ethylhexyl phthalate (DEHP) being the most common plasticizer and the most studied to date, there are many others that, in addition to being widely used in the plastic, are also applied in the medical and pharmaceutical industries and cosmetics. Due to their wide use, phthalates are easily absorbed by the human body where they can disrupt the endocrine system by binding to molecular targets and interfering with hormonal homeostasis. Thus, phthalates exposure has been implicated in the development of several diseases in different age groups. Collecting information from the most recent available literature, this review aims to relate human phthalates' exposure with the development of cardiovascular diseases throughout all ages. Overall, most of the studies presented demonstrated an association between phthalates and several cardiovascular diseases, either from prenatal or postnatal exposure, affecting foetuses, infants, children, young and older adults. However, the mechanisms underlying these effects remain poorly explored. Thus, considering the cardiovascular diseases incidence worldwide and the constant human exposure to phthalates, this topic should be extensively studied to understand the mechanisms involved.
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Affiliation(s)
- Melissa Mariana
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, 6200-506 Covilhã, Portugal
| | - Miguel Castelo-Branco
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, 6200-506 Covilhã, Portugal; FCS-UBI - Faculty of Health Sciences, University of Beira Interior, 6200-506 Covilhã, Portugal
| | - Amadeu M Soares
- CESAM - Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Elisa Cairrao
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior, 6200-506 Covilhã, Portugal; FCS-UBI - Faculty of Health Sciences, University of Beira Interior, 6200-506 Covilhã, Portugal.
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Gautam K, Sharma P, Dwivedi S, Singh A, Gaur VK, Varjani S, Srivastava JK, Pandey A, Chang JS, Ngo HH. A review on control and abatement of soil pollution by heavy metals: Emphasis on artificial intelligence in recovery of contaminated soil. ENVIRONMENTAL RESEARCH 2023; 225:115592. [PMID: 36863654 DOI: 10.1016/j.envres.2023.115592] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 02/10/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
"Save Soil Save Earth" is not just a catchphrase; it is a necessity to protect soil ecosystem from the unwanted and unregulated level of xenobiotic contamination. Numerous challenges such as type, lifespan, nature of pollutants and high cost of treatment has been associated with the treatment or remediation of contaminated soil, whether it be either on-site or off-site. Due to the food chain, the health of non-target soil species as well as human health were impacted by soil contaminants, both organic and inorganic. In this review, the use of microbial omics approaches and artificial intelligence or machine learning has been comprehensively explored with recent advancements in order to identify the sources, characterize, quantify, and mitigate soil pollutants from the environment for increased sustainability. This will generate novel insights into methods for soil remediation that will reduce the time and expense of soil treatment.
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Affiliation(s)
- Krishna Gautam
- Centre for Energy and Environmental Sustainability, Lucknow, India
| | - Poonam Sharma
- Department of Bioengineering, Integral University, Lucknow, India
| | - Shreya Dwivedi
- Institute for Industrial Research & Toxicology, Ghaziabad, Lucknow, India
| | - Amarnath Singh
- Comprehensive Cancer Center, The Ohio State University and James Cancer Hospital, Columbus, OH, USA
| | - Vivek Kumar Gaur
- Centre for Energy and Environmental Sustainability, Lucknow, India; Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow Campus, Lucknow, India; School of Energy and Chemical Engineering, UNIST, Ulsan, 44919, Republic of Korea.
| | - Sunita Varjani
- School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun, 248 007, India.
| | | | - Ashok Pandey
- Centre for Energy and Environmental Sustainability, Lucknow, India; Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow, 226 001, India; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun, 248 007, India
| | - Jo-Shu Chang
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Huu Hao Ngo
- Centre for Technology in Water and Wastewater, School of Civil and Environmental, Engineering, University of Technology Sydney, Sydney, NSW, 2007, Australia
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Kumari M, Pulimi M. Phthalate esters: occurrence, toxicity, bioremediation, and advanced oxidation processes. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2023; 87:2090-2115. [PMID: 37186617 PMCID: wst_2023_119 DOI: 10.2166/wst.2023.119] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Phthalic acid esters are emerging pollutants, commonly used as plasticizers that are categorized as hazardous endocrine-disrupting chemicals (EDCs). A rise in anthropogenic activities leads to an increase in phthalate concentration in the environment which leads to various adverse environmental effects and health issues in humans and other aquatic organisms. This paper gives an overview of the research related to phthalate ester contamination and degradation methods by conducting a bibliometric analysis with VOS Viewer. Ecotoxicity analysis requires an understanding of the current status of phthalate pollution, health impacts, exposure routes, and their sources. This review covers five toxic phthalates, occurrences in the aquatic environment, toxicity studies, biodegradation studies, and degradation pathways. It highlights the various advanced oxidation processes like photocatalysis, Fenton processes, ozonation, sonolysis, and modified AOPs used for phthalate removal from the environment.
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Affiliation(s)
- Madhu Kumari
- Centre of Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, India E-mail:
| | - Mrudula Pulimi
- Centre of Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, India E-mail:
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Bhattacharyya M, Dhar R, Basu S, Das A, Reynolds DM, Dutta TK. Molecular evaluation of the metabolism of estrogenic di(2-ethylhexyl) phthalate in Mycolicibacterium sp. Microb Cell Fact 2023; 22:82. [PMID: 37101185 PMCID: PMC10134610 DOI: 10.1186/s12934-023-02096-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 04/12/2023] [Indexed: 04/28/2023] Open
Abstract
BACKGROUND Di(2-ethylhexyl) phthalate (DEHP) is a widely detected plasticizer and a priority pollutant of utmost concern for its adverse impact on humans, wildlife and the environment. To eliminate such toxic burden, biological processes are the most promising ways to combat rampant environmental insults under eco-friendly conditions. The present study investigated the biochemical and molecular assessment of the catabolic potential of Mycolicibacterium sp. strain MBM in the assimilation of estrogenic DEHP. RESULTS A detailed biochemical study revealed an initial hydrolytic pathway of degradation for DEHP followed by the assimilation of hydrolyzed phthalic acid and 2-ethylhexanol to TCA cycle intermediates. Besides the inducible nature of DEHP-catabolic enzymes, strain MBM can efficiently utilize various low- and high-molecular-weight phthalate diesters and can grow under moderately halotolerant conditions. Whole genome sequence analysis exhibited a genome size of 6.2 Mb with a GC content of 66.51% containing 6,878 coding sequences, including multiple genes, annotated as relevant to the catabolism of phthalic acid esters (PAEs). Substantiating the annotated genes through transcriptome assessment followed by RT-qPCR analysis, the possible roles of upregulated genes/gene clusters in the metabolism of DEHP were revealed, reinforcing the biochemical pathway of degradation at the molecular level. CONCLUSIONS A detailed co-relation of biochemical, genomic, transcriptomic and RT-qPCR analyses highlights the PAE-degrading catabolic machineries in strain MBM. Further, due to functional attributes in the salinity range of both freshwater and seawater, strain MBM may find use as a suitable candidate in the bioremediation of PAEs.
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Affiliation(s)
- Mousumi Bhattacharyya
- Department of Microbiology, Bose Institute, EN-80, Sector V, Salt Lake, Kolkata, West Bengal, 700091, India
| | - Rinita Dhar
- Department of Microbiology, Bose Institute, EN-80, Sector V, Salt Lake, Kolkata, West Bengal, 700091, India
| | - Suman Basu
- Department of Microbiology, Bose Institute, EN-80, Sector V, Salt Lake, Kolkata, West Bengal, 700091, India
| | - Avijit Das
- Department of Microbiology, Bose Institute, EN-80, Sector V, Salt Lake, Kolkata, West Bengal, 700091, India
| | - Darren M Reynolds
- Centre for Research in Biosciences, Department of Applied Sciences, University of the West of England, Bristol, BS16 1QY, UK
| | - Tapan K Dutta
- Department of Microbiology, Bose Institute, EN-80, Sector V, Salt Lake, Kolkata, West Bengal, 700091, India.
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Wenchao W, Zhang D, Sophocleous M, Qu Y, Jing W, Chalermwisutkul S, Russel M. Measuring the effects of diethyl phthalate microplastics on marine algae growth using dielectric spectroscopy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 865:161221. [PMID: 36587692 DOI: 10.1016/j.scitotenv.2022.161221] [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: 09/19/2022] [Revised: 11/09/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
This paper presents the development of a dielectric spectroscopy-based method using a customized, transmission line probe, fabricated on a printed circuit board (PCB), for monitoring the effect of diethyl phthalate (DEP) microplastics on marine algae growth. Experiments were performed by exposing marine algae (Chlorella pyrenoidosa) to DEP (0-50 mg) for up to 6 days. In order to amplify the electrophysiological effects and improve the sensing, a glutaraldehyde crosslinking agent was used and encapsulated on the surface of the probe. The reflection coefficient (S11) and the complex permittivity (ɛ' & ɛ″) of the Medium Under Test (MUT) were investigated in the frequency range of 30 kHz-800 MHz. Without the presence of DEP, the number of algae (104 cells/mL) and chlorophyll content (mg/L) increased at the rates of 207.73 × 104 cells/mL and 148.1 mg/L per day, respectively. After 6 days of exposing Chlorella pyrenoidosa (C. pyrenoidosa) algae to different DEP concentrations, the growth rate decreased down to -11.92 × 104 cells/mL and -19.19 mg/L (50 mg DEP), respectively. Additionally, the linearity of the relationship kept decreasing as the DEP content increased from R2 = 0.9716 to R2 = 0.1050 and from R2 = 0.9293 to R2 = 0.4961, respectively. Dielectric spectroscopy using the custom, transmission line probe, at 740 MHz, showed linear relationship (-1.22 dB/day) between the reflection coefficient (S11) and hence complex permittivity (ɛ' & ɛ″) without the presence of DEP. However, as the DEP content increased, algae growth was prohibited more intensely, shown both from the number of algae and the chlorophyll content. This trend was reflected on S11 and subsequently on the complex permittivity. This relationship confirms the capability of this method to monitor the growth of marine algae in almost real-time. This dielectric spectroscopy method could be a potential, low-cost tool to examine the impact of microplastic pollutants on marine microorganisms.
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Affiliation(s)
- Wu Wenchao
- School of Ocean Science and Technology, Key laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, Dalian University of Technology, Liaoning, Panjin 124221, People's Republic of China
| | - Dayong Zhang
- School of Ocean Science and Technology, Key laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, Dalian University of Technology, Liaoning, Panjin 124221, People's Republic of China
| | - Marios Sophocleous
- eBOS Technologies Ltd, Arch. Makariou III and Mesaorias 1, Lakatamia, Nicosia 2090, Cyprus
| | - Yihe Qu
- School of Ocean Science and Technology, Key laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, Dalian University of Technology, Liaoning, Panjin 124221, People's Republic of China
| | - Wang Jing
- School of Ocean Science and Technology, Key laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, Dalian University of Technology, Liaoning, Panjin 124221, People's Republic of China
| | - Suramate Chalermwisutkul
- The Sirindhorn International Thai German Graduate School of Engineering, King Mongkut's University of Technology North Bangkok, Bangkok, Thailand
| | - Mohammad Russel
- School of Ocean Science and Technology, Key laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, Dalian University of Technology, Liaoning, Panjin 124221, People's Republic of China.
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Feng NX, Zhang F, Xie Y, Bin H, Xiang L, Li YW, Zhang F, Huang Y, Zhao HM, Cai QY, Mo CH, Li QX. Genome mining-guided activation of two silenced tandem genes in Raoultella ornithinolytica XF201 for complete biodegradation of phthalate acid esters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 864:161013. [PMID: 36549521 DOI: 10.1016/j.scitotenv.2022.161013] [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: 09/19/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
Phthalates (PAEs) are ubiquitous in soils and food products and thus pose a high risk to human health. Herein, genome mining revealed a great diversity of bacteria with PAEs-degrading potential. Mining of the genome of Raoultella ornithinolytica XF201, a novel strain isolated from Dongxiang wild rice rhizosphere, revealed the presence of two silenced tandem genes pcdGH (encoding protocatechuate 3,4-dioxygenase, 3,4-PCD), key aromatic ring-cleaving genes in PAEs biodegradation. Ribosome engineering was successfully utilized to activate the expression of pcdGH genes to produce 3,4-PCD in the mutant XF201-G2U5. The mutant XF201-G2U5 showed high 3,4-PCD activity and could remove 94.5 % of di-n butyl phthalate (DBP) in 72 h. The degradation kinetics obeyed the first-order kinetic model. Strain XF201-G2U5 could also degrade the other PAEs and the main intermediate metabolites, ultimately leading to tricarboxylic acid cycle. Therefore, this strategy facilitates novel bacterial resources discovery for bioremediation of PAEs and other emerging contaminants.
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Affiliation(s)
- Nai-Xian Feng
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Fei Zhang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yunchang Xie
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Hui Bin
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Lei Xiang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yan-Wen Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Fantao Zhang
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Yunhong Huang
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Hai-Ming Zhao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Quan-Ying Cai
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Ce-Hui Mo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China.
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, HI 96822, USA
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Mao S, He C, Zhao Z, Wang F, Chen X, Liu X, Wang D. Lurgi-Thyssen dust catalytic thermal desorption remediation of di-(2-ethylhexyl) phthalate contaminated soils. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 330:117138. [PMID: 36623387 DOI: 10.1016/j.jenvman.2022.117138] [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: 10/15/2022] [Revised: 12/18/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
Fe2O3-assisted pyrolysis has been demonstrated to be a cost-effective thermal desorption (TD) technology. Lurgi-Thyssen dust (LTD) is a type of steel slag waste that contains a large amount of Fe2O3. In this study, to reduce energy consumption, LTD was added to contaminated soil to evaluate the feasibility of enhancing the TD removal efficiency of di-(2-ethylhexyl) phthalate (DEHP). The DEHP removal rate increased by 22.39% after adding 2% LTD at 200 °C for 20 min. Because of the catalytic pyrolysis of LTD, DEHP was pyrolyzed to form three types of short-chain esters: mono-(2-ethylhexyl) phthalate (MEHP), di (2-methylbutyl) ester, and methyl 2-ethylhexyl phthalate. The pyrolysis products of DEHP were less toxic and did not affect soil reuse. When the DEHP removal rate was 87.10%, LTD addition decreased the temperature and residence time of TD and alleviated the effect of TD on the soil physicochemical properties. Additionally, the desorption of DEHP from soil fitted the pseudo-second-order kinetic model well. Thus, the addition of LTD to contaminated soil enhanced the efficiency of TD remediation. Moreover, this study could provide a practical and economical strategy for LTD reuse.
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Affiliation(s)
- Shaohua Mao
- College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Chiquan He
- College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
| | - Zhenzhen Zhao
- College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Feifei Wang
- College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Xueping Chen
- College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Xiaoyan Liu
- College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Daoyuan Wang
- College of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
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Chen Y, Wang Y, Xu Y, Sun J, Yang L, Feng C, Wang J, Zhou Y, Zhang ZM, Wang Y. Molecular insights into the catalytic mechanism of plasticizer degradation by a monoalkyl phthalate hydrolase. Commun Chem 2023; 6:45. [PMID: 36859434 PMCID: PMC9977937 DOI: 10.1038/s42004-023-00846-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/22/2023] [Indexed: 03/03/2023] Open
Abstract
Phthalate acid esters (PAEs), a group of xenobiotic compounds used extensively as plasticizers, have attracted increasing concern for adverse effects to human health and the environment. Microbial degradation relying on PAE hydrolases is a promising treatment. However, only a limited number of PAE hydrolases were characterized to date. Here we report the structures of MehpH, a monoalkyl phthalate (MBP) hydrolase that catalyzes the reaction of MBP to phthalic acid and the corresponding alcohol, in apo and ligand-bound form. The structures reveal a positively-charged catalytic center, complementary to the negatively-charged carboxyl group on MBP, and a penetrating tunnel that serves as exit of alcohol. The study provides a first glimpse into the enzyme-substrate binding model for PAE hydrolases, leading strong support to the development of better enzymes in the future.
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Affiliation(s)
- Yebao Chen
- grid.79703.3a0000 0004 1764 3838School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006 China
| | - Yongjin Wang
- grid.258164.c0000 0004 1790 3548International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632 China
| | - Yang Xu
- grid.79703.3a0000 0004 1764 3838School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640 China
| | - Jiaojiao Sun
- grid.79703.3a0000 0004 1764 3838School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640 China
| | - Liu Yang
- grid.79703.3a0000 0004 1764 3838School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640 China
| | - Chenhao Feng
- grid.79703.3a0000 0004 1764 3838School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640 China
| | - Jia Wang
- grid.79703.3a0000 0004 1764 3838School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640 China
| | - Yang Zhou
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China.
| | - Zhi-Min Zhang
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China.
| | - Yonghua Wang
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China. .,Guangdong Youmei Institute of Inteligent Bio-manufacturing, Foshan, Guangdong, 528200, China.
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Yen PL, Yang CR, Huang ML, Lin TA, Liao VHC. Chronic exposure to di(2-ethylhexyl) phthalate (DEHP) weakens innate immunity and leads to immunosenescence in C. elegans. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 98:104071. [PMID: 36690191 DOI: 10.1016/j.etap.2023.104071] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 01/16/2023] [Accepted: 01/19/2023] [Indexed: 06/17/2023]
Abstract
Di(2-ethylhexyl) phthalate (DEHP), a widespread contaminant, has numerous adverse impacts on human health and ecosystems. Chronic DEHP exposure has been found to accelerate aging; however, its potential threat to age-dependent innate immune decline remains unknown. This study aims to evaluate the effects of chronic DEHP exposure on innate immunosenescence in Caenorhabditis elegans. We show that the length of the exposure period significantly impacts DEHP-induced age-related declines, which is linked to immunosenescence and oxidative stress. We found that the DEHP-caused immunosenescence is accompanied with downregulation of an antimicrobial gene lys-7 as well as an enhancement of the nuclear translocation of HLH-30, an orthologue of mammalian transcription factor EB (TFEB). Moreover, DEHP exposure increases the expression of riok-1, a human RIO kinase homolog, which is associated with DEHP-induced HLH-30/TFEB translocation. Our findings suggest that early-life and chronic exposure to DEHP, mostly due to parent compound rather than its metabolite mono(2-ethylhexyl) phthalate (MEHP), may weaken the innate immunity in C. elegans and may enhance susceptibility to infections or promote immunosenescence in aged populations.
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Affiliation(s)
- Pei-Ling Yen
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Cai-Ru Yang
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Mei-Lun Huang
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Ting-An Lin
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan
| | - Vivian Hsiu-Chuan Liao
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei 106, Taiwan.
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Huang YH, Yang YJ, Wu X, Zhu CL, Lü H, Zhao HM, Xiang L, Li H, Mo CH, Li YW, Cai QY, Li QX. Adaptation of bacterial community in maize rhizosphere for enhancing dissipation of phthalic acid esters in agricultural soil. JOURNAL OF HAZARDOUS MATERIALS 2023; 444:130292. [PMID: 36399821 DOI: 10.1016/j.jhazmat.2022.130292] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/19/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Rhizospheric degradation is a green and in situ strategy to accelerate dissipation of organic pollutants in soils. However, the mechanism on microbial degradation of phthalic acid esters (PAEs) in rhizosphere is still unclear. Here, the bacterial community and function genes in bulk and rhizospheric soils of maize (Zea mays L.) exposed to gradient concentrations of di-(2-ethylhexyl) phthalate (DEHP) were analyzed with 16 S rRNA, metagenomic sequencing and quantitative PCR (qPCR). Maize rhizosphere significantly increased the dissipation of DEHP by 4.02-11.5% in comparison with bulk soils. Bacterial community in rhizosphere exhibited more intensive response and shaped its beneficial structure and functions to DEHP stress than that in bulk soils. Both rhizospheric and pollution effects enriched more PAE-degrading bacteria (e.g., Bacillus and Rhizobium) and function genes in rhizosphere than in bulk soil, which played important roles in degradation of PAEs in rhizosphere. The PAE-degrading bacteria (including genera Sphingomonas, Sphingopyxis and Lysobacter) identified as keystone species participated in DEHP biodegradation. Identification of PAE intermediates and metagenomic reconstruction of PAE degradation pathways demonstrated that PAE-degrading bacteria degraded PAEs through cooperation with PAE-degrading and non-PAE-degrading bacteria. This study provides a comprehensive knowledge for the microbial mechanism on the superior dissipation of PAEs in rhizosphere.
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Affiliation(s)
- Yu-Hong Huang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yu-Jie Yang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Xiaolian Wu
- School of Environmental and Chemical Engineering, Foshan University, Foshan, Guangdong 528000, China
| | - Cui-Lan Zhu
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Huixiong Lü
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Hai-Ming Zhao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Lei Xiang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Hui Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Ce-Hui Mo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yan-Wen Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Quan-Ying Cai
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China.
| | - Qing X Li
- Department of Molecular Bioscience and Bioengineering, University of Hawaii at Manoa, Honolulu, HI 96822, USA
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Kumar M, Sridharan S, Sawarkar AD, Shakeel A, Anerao P, Mannina G, Sharma P, Pandey A. Current research trends on emerging contaminants pharmaceutical and personal care products (PPCPs): A comprehensive review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 859:160031. [PMID: 36372172 DOI: 10.1016/j.scitotenv.2022.160031] [Citation(s) in RCA: 63] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/03/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
Pharmaceutical and personnel care products (PPCPs) from wastewater are a potential hazard to the human health and wildlife, and their occurrence in wastewater has caught the concern of researchers recently. To deal with PPCPs, various treatment technologies have been evolved such as physical, biological, and chemical methods. Nevertheless, modern and efficient techniques such as advance oxidation processes (AOPs) demand expensive chemicals and energy, which ultimately leads to a high treatment cost. Therefore, integration of chemical techniques with biological processes has been recently suggested to decrease the expenses. Furthermore, combining ozonation with activated carbon (AC) can significantly enhance the removal efficiency. There are some other emerging technologies of lower operational cost like photo-Fenton method and solar radiation-based methods as well as constructed wetland, which are promising. However, feasibility and practicality in pilot-scale have not been estimated for most of these advanced treatment technologies. In this context, the present review work explores the treatment of emerging PPCPs in wastewater, via available conventional, non-conventional, and integrated technologies. Furthermore, this work focused on the state-of-art technologies via an extensive literature search, highlights the limitations and challenges of the prevailing commercial technologies. Finally, this work provides a brief discussion and offers future research directions on technologies needed for treatment of wastewater containing PPCPs, accompanied by techno-economic feasibility assessment.
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Affiliation(s)
- Manish Kumar
- Engineering Department, Palermo University, Viale delle Scienze, Ed.8, 90128 Palermo, Italy.
| | - Srinidhi Sridharan
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India; CSIR-National Environmental Engineering Research Institute, Nagpur 440020, Maharashtra, India
| | - Ankush D Sawarkar
- Department of Computer Science and Engineering, Visvesvaraya National Institute of Technology (VNIT), Nagpur, Maharashtra 440 010, India
| | - Adnan Shakeel
- CSIR-National Environmental Engineering Research Institute, Nagpur 440020, Maharashtra, India
| | - Prathmesh Anerao
- CSIR-National Environmental Engineering Research Institute, Nagpur 440020, Maharashtra, India
| | - Giorgio Mannina
- Engineering Department, Palermo University, Viale delle Scienze, Ed.8, 90128 Palermo, Italy
| | - Prabhakar Sharma
- School of Ecology and Environment Studies, Nalanda University, Rajgir 803116, India
| | - Ashok Pandey
- Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow 226 001, India; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun 248 007, India; Centre for Energy and Environmental Sustainability, Lucknow 226 029, India.
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Liu C, Fu L, Du H, Sun Y, Wu Y, Li C, Tong J, Liang S. Distribution, Source Apportionment and Risk Assessment of Phthalate Esters in the Overlying Water of Baiyang Lake, China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2918. [PMID: 36833614 PMCID: PMC9957158 DOI: 10.3390/ijerph20042918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/25/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
As a kind of endocrine disruptor compounds, the presence of phthalate esters (PAEs) has become a global concern. In this study, the pollution levels and spatial distribution of sixteen PAEs were investigated. Their potential sources and eco-environmental health risk were discussed in Baiyang Lake and its upstream rivers during different periods. PAEs were detected in all of samples, ranging from 1215 to 3014 ng·L-1 in October 2020 and 1384 to 3399 ng·L-1 in May 2021. Dibutyl phthalate (DBP) and di-isobutyl phthalate (DIBP) were the predominant monomers, with a detection rate of 100% and the highest concentrations in the overlying water. Restricted by multiple factors, the spatial distribution difference between Baiyang Lake and its upstream rivers in October was more significant than in May. The source apportionment revealed that agricultural cultivation and disorderly use and disposal of plastic products were the primary factors for the contamination. The human health risk assessment indicated that eight PAE congeners did not pose significant carcinogenic and non-carcinogenic harms to males, females and children. However, the ecological risks of DBP, DIBP and di (2-ethylhexyl) phthalate to algae, crustaceans and fish species were moderate or high-risk levels. This study provides an appropriate dataset for the assessment of the pollution of PEs to the water ecosystem affected by anthropogenic activities.
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Affiliation(s)
- Chang Liu
- Key Laboratory of Hebei Provincial Analytical Science and Technology, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Liguo Fu
- Key Laboratory of Hebei Provincial Analytical Science and Technology, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Hui Du
- Key Laboratory of Hebei Provincial Analytical Science and Technology, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Yaxue Sun
- Key Laboratory of Hebei Provincial Analytical Science and Technology, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
| | - Yihong Wu
- Hebei Provincial Academy of Ecological Environmental Science, Shijiazhuang 050037, China
| | - Cheng Li
- Hebei Provincial Academy of Ecological Environmental Science, Shijiazhuang 050037, China
| | - Jikun Tong
- Baiyangdian Watershed Ecological Environmental Monitoring Center, Baoding 071051, China
| | - Shuxuan Liang
- Key Laboratory of Hebei Provincial Analytical Science and Technology, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
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Viljoen SJ, Brailsford FL, Murphy DV, Hoyle FC, Chadwick DR, Jones DL. Leaching of phthalate acid esters from plastic mulch films and their degradation in response to UV irradiation and contrasting soil conditions. JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130256. [PMID: 36327845 DOI: 10.1016/j.jhazmat.2022.130256] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/15/2022] [Accepted: 10/23/2022] [Indexed: 06/16/2023]
Abstract
Phthalate acid esters (PAEs) are commonly used plastic additives, not chemically bound to the plastic that migrate into surrounding environments, posing a threat to environmental and human health. Dibutyl phthalate (DBP) and di(2-ethylhexyl) phthalate (DEHP) are two common PAEs found in agricultural soils, where degradation is attributed to microbial decomposition. Yet the impact of the plastic matrix on PAE degradation rates is poorly understood. Using 14C-labelled DBP and DEHP we show that migration from the plastic matrix into soil represents a key rate limiting step in their bioavailability and subsequent degradation. Incorporating PAEs into plastic film decreased their degradation in soil, DBP (DEHP) from 79% to 21% (9% to <1%), over four months when compared to direct application of PAEs. Mimicking surface soil conditions, we demonstrated that exposure to ultraviolet radiation accelerated PAE mineralisation twofold. Turnover of PAE was promoted by the addition of biosolids, while the presence of plants and other organic residues failed to promote degradation. We conclude that PAEs persist in soil for longer than previously thought due to physical trapping within the plastic matrix, suggesting PAEs released from plastics over very long time periods lead to increasing levels of contamination.
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Affiliation(s)
- Samantha J Viljoen
- Bioplastics Innovation Hub, Murdoch University, Murdoch, WA 6105, Australia; SoilsWest, Centre for Sustainable Farming Systems, Food Futures Institute, Murdoch University, Murdoch, WA 6105, Australia; Environment Centre Wales, Bangor University, Bangor, Gwynedd LL57 2UW, UK.
| | - Francesca L Brailsford
- Bioplastics Innovation Hub, Murdoch University, Murdoch, WA 6105, Australia; SoilsWest, Centre for Sustainable Farming Systems, Food Futures Institute, Murdoch University, Murdoch, WA 6105, Australia
| | - Daniel V Murphy
- Bioplastics Innovation Hub, Murdoch University, Murdoch, WA 6105, Australia; SoilsWest, Centre for Sustainable Farming Systems, Food Futures Institute, Murdoch University, Murdoch, WA 6105, Australia
| | - Frances C Hoyle
- Bioplastics Innovation Hub, Murdoch University, Murdoch, WA 6105, Australia; SoilsWest, Centre for Sustainable Farming Systems, Food Futures Institute, Murdoch University, Murdoch, WA 6105, Australia
| | - David R Chadwick
- Environment Centre Wales, Bangor University, Bangor, Gwynedd LL57 2UW, UK
| | - Davey L Jones
- Bioplastics Innovation Hub, Murdoch University, Murdoch, WA 6105, Australia; SoilsWest, Centre for Sustainable Farming Systems, Food Futures Institute, Murdoch University, Murdoch, WA 6105, Australia; Environment Centre Wales, Bangor University, Bangor, Gwynedd LL57 2UW, UK
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50
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Puri M, Gandhi K, Kumar MS. The occurrence, fate, toxicity, and biodegradation of phthalate esters: An overview. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2023; 95:e10832. [PMID: 36632702 DOI: 10.1002/wer.10832] [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: 09/25/2022] [Revised: 12/02/2022] [Accepted: 12/17/2022] [Indexed: 06/17/2023]
Abstract
Phthalate esters (PAEs) are a class of emerging xenobiotic compounds that are extensively used as plasticizers. In recent times, there has been an increasing concern over the risk of this pervasive pollution exposure causing endocrine disruption and carcinogenicity in humans and animals. The widespread use of PAEs in home and industrial applications has resulted in their discharge in aquatic bodies via leaching, volatilization, and precipitation. In this overview, the current state of PAE pollution, its potential origins, its fate, as well as its effects on the aquatic environment are discussed. A state-of-the-art review of several studies in the literature that focus on the biological degradation of PAEs is included in this study. The paper aims to provide a comprehensive view of current research on PAEs in the environment, highlighting its fate and alleviated risks on the aquatic biotas, their challenges, future prospects, and the need for good management and policies for its remediation. PRACTITIONER POINTS: Occurrence of phthalate esters was summarized in various environmental matrices along with its serious ecotoxicological implications on biota. Wastewater is the prime source of PAEs contamination. Lack of species-specific effects on biota due to dose, exposure route, and susceptibility. The predominant route to mineralization in PAEs is biodegradation. A critical analysis of worldwide PAE production and consumption identifies the necessity for global PAE production, consumption, and release policies.
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Affiliation(s)
- Mehak Puri
- Environmental Impact and Sustainability Division, CSIR-National Environmental Engineering Research Institute, Nagpur, India
- Academy of Scientific and Innovative Research, Kamla Nehru Nagar (AcSIR), Ghaziabad, India
| | - Kavita Gandhi
- Academy of Scientific and Innovative Research, Kamla Nehru Nagar (AcSIR), Ghaziabad, India
- Sophisticated Environmental Analytical Facility, CSIR-National Environmental Engineering Research Institute, Nagpur, India
| | - M Suresh Kumar
- Environmental Impact and Sustainability Division, CSIR-National Environmental Engineering Research Institute, Nagpur, India
- Academy of Scientific and Innovative Research, Kamla Nehru Nagar (AcSIR), Ghaziabad, India
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