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Çelik G, Stolte S, Müller S, Schattenberg F, Markiewicz M. Environmental persistence assessment of heterocyclic polyaromatic hydrocarbons - Ultimate and primary biodegradability using adapted and non-adapted microbial communities. JOURNAL OF HAZARDOUS MATERIALS 2023; 460:132370. [PMID: 37666173 DOI: 10.1016/j.jhazmat.2023.132370] [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: 02/27/2023] [Revised: 06/01/2023] [Accepted: 08/20/2023] [Indexed: 09/06/2023]
Abstract
Heterocyclic polyaromatic hydrocarbons (heterocyclic PAHs) are of increasing concern and their environmental and human health impacts should be assessed due to their widespread presence and potential persistence in the environment. This study investigated the ultimate and primary biodegradability of ten heterocyclic PAHs, nine of which were found to be non-readily biodegradable. To generate a microbial community capable of degrading such compounds, a bacterial inoculum isolated from the effluent of a wastewater treatment plant (WWTP) was adapted to a mixture of heterocyclic PAHs for one year. Throughout the adaptation process, bacterial samples were collected at different stages to conduct primary biodegradation, ultimate biodegradation, and inoculum toxicity tests. Interestingly, after one year of adaptation, the community developed the ability to mineralize carbazole, but in the same time showed an increasing sensitivity to the toxic effects of benzo[c]carbazole. In two consecutive primary biodegradation experiments, degradation of four heterocycles was observed, while no biodegradation was detected for five compounds in any of the tests. Furthermore, the findings of this work were compared with predictions from in silico models regarding biodegradation timeframe and sorption, and it was found that the models were partially successful in describing these processes. The results of study provide valuable insights into the persistence of a representative group of heterocyclic PAHs in aquatic environments, which contributes to the hazard assessment of this particular class of substances.
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Affiliation(s)
- Göksu Çelik
- Institute of Water Chemistry, Dresden University of Technology, 01069 Dresden, Germany
| | - Stefan Stolte
- Institute of Water Chemistry, Dresden University of Technology, 01069 Dresden, Germany
| | - Susann Müller
- Department of Environmental Microbiology, Helmholtz Centre for Environmental Research-UFZ, Permoserstr. 15, 04318 Leipzig, Germany
| | - Florian Schattenberg
- Department of Environmental Microbiology, Helmholtz Centre for Environmental Research-UFZ, Permoserstr. 15, 04318 Leipzig, Germany
| | - Marta Markiewicz
- Institute of Water Chemistry, Dresden University of Technology, 01069 Dresden, Germany.
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Jiang Y, Zhang F, Xu S, Yang P, Wang X, Zhang X, Hong Q, Qiu J, Chu C, He J. Biodegradation of Quinoline by a Newly Isolated Salt-Tolerating Bacterium Rhodococcus gordoniae Strain JH145. Microorganisms 2022; 10:797. [PMID: 35456847 PMCID: PMC9029321 DOI: 10.3390/microorganisms10040797] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/06/2022] [Accepted: 04/07/2022] [Indexed: 02/05/2023] Open
Abstract
Quinoline is a typical nitrogen-heterocyclic compound with high toxicity and carcinogenicity which exists ubiquitously in industrial wastewater. In this study, a new quinoline-degrading bacterial strain Rhodococcus sp. JH145 was isolated from oil-contaminated soil. Strain JH145 could grow with quinoline as the sole carbon source. The optimum growth temperature, pH, and salt concentration were 30 °C, 8.0, and 1%, respectively. 100 mg/L quinoline could be completely removed within 28 h. Particularly, strain JH145 showed excellent quinoline biodegradation ability under a high-salt concentration of 7.5%. Two different quinoline degradation pathways, a typical 8-hydroxycoumarin pathway, and a unique anthranilate pathway were proposed based on the intermediates identified by liquid chromatography-time of flight mass spectrometry. Our present results provided new candidates for industrial application in quinoline-contaminated wastewater treatment even under high-salt conditions.
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Affiliation(s)
- Yinhu Jiang
- Key Laboratory of Agricultural Environmental Microbiology of Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China; (Y.J.); (F.Z.); (S.X.); (X.W.); (X.Z.); (Q.H.); (J.Q.)
| | - Fuyin Zhang
- Key Laboratory of Agricultural Environmental Microbiology of Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China; (Y.J.); (F.Z.); (S.X.); (X.W.); (X.Z.); (Q.H.); (J.Q.)
| | - Siqiong Xu
- Key Laboratory of Agricultural Environmental Microbiology of Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China; (Y.J.); (F.Z.); (S.X.); (X.W.); (X.Z.); (Q.H.); (J.Q.)
| | - Pan Yang
- College of Life Sciences and Agronomy, Zhoukou Normal University, Zhoukou 466000, China;
| | - Xiao Wang
- Key Laboratory of Agricultural Environmental Microbiology of Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China; (Y.J.); (F.Z.); (S.X.); (X.W.); (X.Z.); (Q.H.); (J.Q.)
| | - Xuan Zhang
- Key Laboratory of Agricultural Environmental Microbiology of Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China; (Y.J.); (F.Z.); (S.X.); (X.W.); (X.Z.); (Q.H.); (J.Q.)
| | - Qing Hong
- Key Laboratory of Agricultural Environmental Microbiology of Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China; (Y.J.); (F.Z.); (S.X.); (X.W.); (X.Z.); (Q.H.); (J.Q.)
| | - Jiguo Qiu
- Key Laboratory of Agricultural Environmental Microbiology of Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China; (Y.J.); (F.Z.); (S.X.); (X.W.); (X.Z.); (Q.H.); (J.Q.)
| | - Cuiwei Chu
- College of Life Sciences and Agronomy, Zhoukou Normal University, Zhoukou 466000, China;
| | - Jian He
- Key Laboratory of Agricultural Environmental Microbiology of Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China; (Y.J.); (F.Z.); (S.X.); (X.W.); (X.Z.); (Q.H.); (J.Q.)
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Vesely O, Marsik P, Jarosova V, Doskocil I, Smejkal K, Kloucek P, Havlik J. Metabolism of Selected 2-Arylbenzofurans in a Colon In Vitro Model System. Foods 2021; 10:foods10112754. [PMID: 34829035 PMCID: PMC8625357 DOI: 10.3390/foods10112754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/30/2021] [Accepted: 11/07/2021] [Indexed: 11/16/2022] Open
Abstract
2-arylbenzofurans represent a small group of bioactive compounds found in the plant family Moraceae. As it has not been investigated whether these substances are stable during passage through the gastrointestinal tract, their biological effects may be altered by the metabolism of intestinal microbiota or cells. The aim of the present study was to investigate and compare mulberrofuran Y (1), moracin C (2), and mulberrofuran G (3) in an in vitro model of human intestinal bacterial fermentation and in an epithelial model using the Caco-2 cell line. The analysis of compounds by LC-MS-Q-TOF showed sufficient stability in the fermentation model, with no bacterial metabolites detected. However, great differences in the quantity of permeation were observed in the permeability assay. Moreover, mulberrofuran Y (1) and moracin C (2) were observed to be transformed into polar metabolites by conjugation. Among the test compounds, mulberrofuran Y (1) was mostly stable and accumulated in endothelial cells (85.3%) compared with mulberrofuran G (3) and moracin C (2) (14% and 8.2%, respectively). Thus, only a small amount of mulberrofuran Y (1) was conjugated. Moracin C (2) and mulberrofuran G (3) were metabolized almost completely, with only traces of the unchanged molecule being found on the apical and cellular sides of the system. Only conjugates of mulberrofuran Y (1) and moracin C (2) were able to reach the basolateral side. Our results provide the basic description of bioavailability of these three compounds, which is a necessary characteristic for final evaluation of bio-efficacy.
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Affiliation(s)
- Ondrej Vesely
- Department of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 16500 Prague, Czech Republic; (O.V.); (V.J.); (P.K.); (J.H.)
| | - Petr Marsik
- Department of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 16500 Prague, Czech Republic; (O.V.); (V.J.); (P.K.); (J.H.)
- Correspondence: ; Tel.: +420-723-541-993
| | - Veronika Jarosova
- Department of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 16500 Prague, Czech Republic; (O.V.); (V.J.); (P.K.); (J.H.)
- Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 16500 Prague, Czech Republic;
| | - Ivo Doskocil
- Department of Microbiology, Nutrition and Dietetics, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 16500 Prague, Czech Republic;
| | - Karel Smejkal
- Department of Natural Drugs, Faculty of Pharmacy, Masaryk University, 61200 Brno, Czech Republic;
| | - Pavel Kloucek
- Department of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 16500 Prague, Czech Republic; (O.V.); (V.J.); (P.K.); (J.H.)
| | - Jaroslav Havlik
- Department of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 16500 Prague, Czech Republic; (O.V.); (V.J.); (P.K.); (J.H.)
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Titaley IA, Simonich SLM, Larsson M. Recent Advances in the Study of the Remediation of Polycyclic Aromatic Compound (PAC)-Contaminated Soils: Transformation Products, Toxicity, and Bioavailability Analyses. ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS 2020; 7:873-882. [PMID: 35634165 PMCID: PMC9139952 DOI: 10.1021/acs.estlett.0c00677] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Polycyclic aromatic compounds (PACs) encompass a diverse group of compounds, often found in historically contaminated sites. Different experimental techniques have been used to remediate PACs-contaminated soils. This brief review surveyed over 270 studies concerning remediation of PACs-contaminated soils and found that, while these studies often measured the concentration of 16 parent polycyclic aromatic hydrocarbons (PAHs) pre- and post-remediation, only a fraction of the studies included the measurement of PAC-transformation products (PAC-TPs) and other PACs (n = 33). Only a few studies also incorporated genotoxicity/toxicity/mutagenicity analysis pre- and post-remediation (n = 5). Another aspect that these studies often neglected to include was bioavailability, as none of the studies that included measurement of PAH-TPs and PACs included bioavailability investigation. Based on the literature analysis, future remediation studies need to consider chemical analysis of PAH-TPs and PACs, genotoxicity/toxicity/mutagenicity, and bioavailability analyses pre- and post-remediation. These assessments will help address numerous concerns including, among others, the presence, properties, and toxicity of PACs and PAH-TPs, risk assessment of soil post-remediation, and the bioavailability of PAH-TPs. Other supplementary techniques that help assist these analyses and recommendations for future analyses are also discussed.
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Affiliation(s)
- Ivan A. Titaley
- Man-Technology-Environment (MTM) Research Centre, School of Science and Technology, Örebro University, Örebro SE-701 82, Sweden
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA
- Corresponding Author: Phone: +1 541 737 9208, Fax: +1 541 737 0497
| | - Staci L. Massey Simonich
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA
- Department of Chemistry, Oregon State University, Corvallis, OR 97331, USA
| | - Maria Larsson
- Man-Technology-Environment (MTM) Research Centre, School of Science and Technology, Örebro University, Örebro SE-701 82, Sweden
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Zamanpour MK, Kaliappan RS, Rockne KJ. Gas ebullition from petroleum hydrocarbons in aquatic sediments: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 271:110997. [PMID: 32778285 DOI: 10.1016/j.jenvman.2020.110997] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 05/19/2020] [Accepted: 06/21/2020] [Indexed: 06/11/2023]
Abstract
Gas ebullition in sediment results from biogenic gas production by mixtures of bacteria and archaea. It often occurs in organic-rich sediments that have been impacted by petroleum hydrocarbon (PHC) and other anthropogenic pollution. Ebullition occurs under a relatively narrow set of biological, chemical, and sediment geomechanical conditions. This process occurs in three phases: I) biogenic production of primarily methane and dissolved phase transport of the gases in the pore water to a bubble nucleation site, II) bubble growth and sediment fracture, and III) bubble rise to the surface. The rate of biogenic gas production in phase I and the resistance of the sediment to gas fracture in phase II play the most significant roles in ebullition kinetics. What is less understood is the role that substrate structure plays in the rate of methanogenesis that drives gas ebullition. It is well established that methanogens have a very restricted set of compounds that can serve as substrates, so any complex organic molecule must first be broken down to fermentable compounds. Given that most ebullition-active sediments are completely anaerobic, the well-known difficulty in degrading PHCs under anaerobic conditions suggests potential limitations on PHC-derived gas ebullition. To date, there are no studies that conclusively demonstrate that weathered PHCs can alone drive gas ebullition. This review consists of an overview of the factors affecting gas ebullition and the biochemistry of anaerobic PHC biodegradation and methanogenesis in sediment systems. We next compile results from the scholarly literature on PHCs serving as a source of methanogenesis. We combine these results to assess the potential for PHC-driven gas ebullition using energetics, kinetics, and sediment geomechanics analyses. The results suggest that short chain <C10 alkanes are the only PHC class that alone may have the potential to drive ebullition, and that PHC-derived methanogenesis likely plays a minor part in driving gas ebullition in contaminated sediments compared to natural organic matter.
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Affiliation(s)
| | - Raja Shankar Kaliappan
- Department of Civil and Materials Engineering, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Karl John Rockne
- Department of Civil and Materials Engineering, University of Illinois at Chicago, Chicago, IL, 60607, USA.
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Dimitrova NH, Dermen IA, Todorova ND, Vasilev KG, Dimitrov SD, Mekenyan OG, Ikenaga Y, Aoyagi T, Zaitsu Y, Hamaguchi C. CATALOGIC 301C model - validation and improvement. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2017; 28:511-524. [PMID: 28728491 DOI: 10.1080/1062936x.2017.1343255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 06/13/2017] [Indexed: 06/07/2023]
Abstract
In Europe, REACH legislation encourages the use of alternative in silico methods such as (Q)SAR models. According to the recent progress of Chemical Substances Control Law (CSCL) in Japan, (Q)SAR predictions are also utilized as supporting evidence for the assessment of bioaccumulation potential of chemicals along with read across. Currently, the effective use of read across and QSARs is examined for other hazards, including biodegradability. This paper describes the results of external validation and improvement of CATALOGIC 301C model based on more than 1000 tested new chemical substances of the publication schedule under CSCL. CATALOGIC 301C model meets all REACH requirements to be used for biodegradability assessment. The model formalism built on scientific understanding for the microbial degradation of chemicals has a well-defined and transparent applicability domain. The model predictions are adequate for the evaluation of the ready degradability of chemicals.
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Affiliation(s)
- N H Dimitrova
- a Laboratory of Mathematical Chemistry , University "Prof. As. Zlatarov" , Bourgas , Bulgaria
| | - I A Dermen
- a Laboratory of Mathematical Chemistry , University "Prof. As. Zlatarov" , Bourgas , Bulgaria
| | - N D Todorova
- a Laboratory of Mathematical Chemistry , University "Prof. As. Zlatarov" , Bourgas , Bulgaria
| | - K G Vasilev
- a Laboratory of Mathematical Chemistry , University "Prof. As. Zlatarov" , Bourgas , Bulgaria
| | - S D Dimitrov
- a Laboratory of Mathematical Chemistry , University "Prof. As. Zlatarov" , Bourgas , Bulgaria
| | - O G Mekenyan
- a Laboratory of Mathematical Chemistry , University "Prof. As. Zlatarov" , Bourgas , Bulgaria
| | - Y Ikenaga
- b Chemical Management Center, National Institute of Technology and Evaluation (NITE) , Japan
| | - T Aoyagi
- b Chemical Management Center, National Institute of Technology and Evaluation (NITE) , Japan
| | - Y Zaitsu
- b Chemical Management Center, National Institute of Technology and Evaluation (NITE) , Japan
| | - C Hamaguchi
- b Chemical Management Center, National Institute of Technology and Evaluation (NITE) , Japan
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Oberoi AS, Philip L. Variation in toxicity during the biodegradation of various heterocyclic and homocyclic aromatic hydrocarbons in single and multi-substrate systems. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 135:337-346. [PMID: 27770649 DOI: 10.1016/j.ecoenv.2016.10.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 10/10/2016] [Accepted: 10/13/2016] [Indexed: 06/06/2023]
Abstract
In the present study, an attempt was made to understand the variation in the toxicity during the biodegradation of aromatic hydrocarbons in single and multi-substrate system. The bacterial bioassay based on the inhibition of dehydrogenase enzyme activity of two different bacterial sp. E.coli and Pseudomonas fluorescens was used for toxicity assessment. Amongst the chosen pollutants, the highest acute toxicity was observed for benzothiophene followed by benzofuran having EC50 value of 16.60mg/L and 19.30mg/L respectively. Maximum residual toxicity of 30.8% was observed at the end during the degradation of benzothiophene. Due to the accumulation of transitory metabolites in both single and multisubstrate systems, reduction in toxicity was not proportional to the decrease in pollutant concentration. In multi-substrate system involving mixture of heterocyclic hydrocarbons, maximum residual toxicity of 39.5% was observed at the end of biodegradation. Enhanced degradation of benzofuran, benzothiophene and their metabolic intermediates were observed in the presence of naphthalene resulting in significant reduction in residual toxicity. 2 (1H) - quinolinone, an intermediate metabolite of quinoline was observed having significant eco-toxicity amongst all other intermediates investigated.
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Affiliation(s)
- Akashdeep Singh Oberoi
- Environmental and Water Resources Engineering Division, Department of Civil Engineering, IIT Madras, Chennai 600 036, India
| | - Ligy Philip
- Environmental and Water Resources Engineering Division, Department of Civil Engineering, IIT Madras, Chennai 600 036, India.
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Oberoi AS, Philip L. Biological Degradation of Heterocyclic Aromatic Hydrocarbons with Naphthalene-Enriched Consortium: Substrate Interaction Studies and Fate of Metabolites. Appl Biochem Biotechnol 2016; 180:400-425. [DOI: 10.1007/s12010-016-2106-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 04/25/2016] [Indexed: 10/21/2022]
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