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Tang CH, Buskey EJ. Impaired grazing of marine protozoa in sub-lethal exposure to the water accommodated fraction of crude oil and dispersant. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 315:120414. [PMID: 36244498 DOI: 10.1016/j.envpol.2022.120414] [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: 08/14/2022] [Revised: 10/04/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Despite the advances in safety technology and the improved implementation of precautionary measures, crude oil pollution has been occurring in the oceans globally. The water accommodated fraction (WAF) of crude oil and chemical dispersant are hypothesized to cause sub-lethal adverse effects on marine protists that are pivotal consumers of primary production. Exposure experiments were conducted to investigate the effects of crude oil and dispersant pollutants on the growth and grazing, separately, of protozoa species in cultures. In exposure to 0-30 μL L-1 of chemically enhanced WAF (CEWAF), the heterotrophic dinoflagellate Protoperidinium sp. and the ciliate Metacylis sp. showed slower positive population growth or negative population growth even at low concentrations. The dose-response model showed that Protoperidinium sp. and Metacylis sp. were highly susceptible to the CEWAF toxicity (median inhibition concentrations (IC50) at 1.1 and 5.9 μL L-1, respectively) while one algal species Ditylum brightwellii was relatively tolerant to the toxicity (IC50 at 168.7 μL L-1). With suppressed growth and impaired grazing of the protozoan species at high CEWAF concentrations, accumulation of their algal prey in culture containers was observed, as reflected by higher final:initial prey ratios at high CEWAF concentrations. Additionally, exposure experiments to the treatments of WAF, dispersant alone (Disp), and CEWAF of the same concentration revealed that the heterotrophic dinoflagellate Oxyrrhis marina had reduced bulk grazing impact towards its algal prey population in all three treatments when compared to the control treatment (i.e., grazing mortality of prey at 1.05 d-1). Similarly, Protoperidinium sp. and Metacylis sp. had reduced per capita prey ingestion rates in exposure to WAF and CEWAF when compared to the control treatments. This study provides experimental evidence for the potential link between impaired grazing activities and the formation of algal blooms in sub-lethal exposure to crude oil pollutants.
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Affiliation(s)
- Chi Hung Tang
- Marine Science Institute, The University of Texas at Austin, Texas, USA; School of Science and Technology, Hong Kong Metropolitan University, Hong Kong S.A.R., China.
| | - Edward J Buskey
- Marine Science Institute, The University of Texas at Austin, Texas, USA
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Oladi M, Leontidou K, Stoeck T, Shokri MR. Environmental DNA-based profiling of benthic bacterial and eukaryote communities along a crude oil spill gradient in a coral reef in the Persian Gulf. MARINE POLLUTION BULLETIN 2022; 184:114143. [PMID: 36182786 DOI: 10.1016/j.marpolbul.2022.114143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 09/09/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
Coral reef ecosystems in the Persian Gulf are frequently exposed to crude oil spills. We investigated benthic bacterial and eukaryote community structures at such coral reef sites subjected to different degrees of polycyclic aromatic hydrocarbon (PAH) pollution using environmental DNA (eDNA) metabarcoding. Both bacterial and eukaryote communities responded with pronounced shifts to crude oil pollution and distinguished control sites, moderately and heavily impacted sites with significant confidentiality. The observed community patterns were predominantly driven by Alphaproteobacteria and metazoans. Among these, we identified individual genera that were previously linked to oil spill stress, but also taxa, for which a link to hydrocarbon still remains to be established. Considering the lack of an early-warning system for the environmental status of coral reef ecosystems exposed to frequent crude-oil spills, our results encourage further research towards the development of an eDNA-based biomonitoring tool that exploits benthic bacterial and eukaryote communities as bioindicators.
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Affiliation(s)
- Mahshid Oladi
- Technische Universität Kaiserslautern, Ecology Group, Kaiserslautern, Germany; Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, G.C., Evin, Tehran, Iran
| | - Kleopatra Leontidou
- Technische Universität Kaiserslautern, Ecology Group, Kaiserslautern, Germany
| | - Thorsten Stoeck
- Technische Universität Kaiserslautern, Ecology Group, Kaiserslautern, Germany
| | - Mohammad Reza Shokri
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, G.C., Evin, Tehran, Iran.
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Establishing a High-Throughput Locomotion Tracking Method for Multiple Biological Assessments in Tetrahymena. Cells 2022; 11:cells11152326. [PMID: 35954170 PMCID: PMC9367449 DOI: 10.3390/cells11152326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/26/2022] [Accepted: 07/26/2022] [Indexed: 11/16/2022] Open
Abstract
Protozoa are eukaryotic, unicellular microorganisms that have an important ecological role, are easy to handle, and grow rapidly, which makes them suitable for ecotoxicity assessment. Previous methods for locomotion tracking in protozoa are largely based on software with the drawback of high cost and/or low operation throughput. This study aimed to develop an automated pipeline to measure the locomotion activity of the ciliated protozoan Tetrahymena thermophila using a machine learning-based software, TRex, to conduct tracking. Behavioral endpoints, including the total distance, velocity, burst movement, angular velocity, meandering, and rotation movement, were derived from the coordinates of individual cells. To validate the utility, we measured the locomotor activity in either the knockout mutant of the dynein subunit DYH7 or under starvation. Significant reduction of locomotion and alteration of behavior was detected in either the dynein mutant or in the starvation condition. We also analyzed how Tetrahymena locomotion was affected by the exposure to copper sulfate and showed that our method indeed can be used to conduct a toxicity assessment in a high-throughput manner. Finally, we performed a principal component analysis and hierarchy clustering to demonstrate that our analysis could potentially differentiate altered behaviors affected by different factors. Taken together, this study offers a robust methodology for Tetrahymena locomotion tracking in a high-throughput manner for the first time.
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Tang CH, Buskey EJ. De-coupled phytoplankton growth and microzooplankton grazing in a simulated oil spill event in mesocosms. MARINE POLLUTION BULLETIN 2022; 178:113631. [PMID: 35397341 DOI: 10.1016/j.marpolbul.2022.113631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 06/14/2023]
Abstract
Microzooplankton (<200 μm) are essential intermediates between primary production and organisms at the higher trophic levels. Their ecological functions could be substantially affected by crude oil pollution. A natural plankton community was exposed to 10 μL L-1 of chemically dispersed crude oil (DOil) in outdoor mesocosms for 7 days, with control (Ctrl) mesocosms set up for comparison. Dilution experiments were conducted to estimate the grazing rates of microzooplankton on the 2nd and 6th days of the pollutants exposure. Results showed 0.36-2.28 d-1 microzooplankton grazing rates in the Ctrl mesocosms on both days but negative rates in the DOil mesocosms. A significant linear relationship between in situ phytoplankton growth and microzooplankton grazing rates was found in the Ctrl treatment but not in the DOil treatment. This suggests a de-coupling between phytoplankton growth and microzooplankton and the potential for the formation of phytoplankton blooms in seawater after an oil spill event.
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Affiliation(s)
- Chi Hung Tang
- Marine Science Institute, The University of Texas at Austin, TX, USA; School of Science and Technology, Hong Kong Metropolitan University, Hong Kong, China.
| | - Edward J Buskey
- Marine Science Institute, The University of Texas at Austin, TX, USA
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Kamel RM, Mohamed SK, Mahmoud MA. High-throughput sensor microtiter plate of new terbium complexes for the determination of anthracene in seawater. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 266:120474. [PMID: 34689088 DOI: 10.1016/j.saa.2021.120474] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/24/2021] [Accepted: 10/04/2021] [Indexed: 06/13/2023]
Abstract
A new fluorescent sensing microtiter plate (MTP) was developed for high sensitivity monitoring of anthracene in seawater samples. For this purpose, two ternary complexes of Tb(III) ions with dibenzoylmethane and neocuproine [Tb(DBM)2(MePhen)] or with dibenzoylmethane and bathocuproine [Tb(DBM)2(PhMePhen)] were synthesized. Elemental analysis, energy dispersive X-ray analysis, X-ray diffraction, infrared and ultraviolet-visible emission, and thermal analysis were conducted on the Tb(III) complexes. The limits of detection (DL) were 0.14 and 1.05 μmol L-1 for [Tb(DBM)2(MePhen)] and [Tb(DBM)2(PhMePhen)], respectively. [Tb(DBM)2(PhMePhen)] MTP is embedded in a membrane made of cellulose acetate. The first high-throughput anthracene sensor MTP, based on [Tb(DBM)2(PhMePhen)] sensor showed a linear range, from 0.2 to 20 μmol L-1. [Tb(DBM)2(PhMePhen)] MTP was validated for accurate and precise monitoring of anthracene using gas chromatography. The selectivity of the [Tb(DBM)2(PhMePhen)] MTP toward anthracene was examined. The data indicated that [Tb(DBM)2(PhMePhen)] MTP is suitable for rapid and direct detection of anthracene.
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Affiliation(s)
- Rasha M Kamel
- Suez University, Faculty of Science, Chemistry Department, 43518 Suez, Egypt.
| | - Shaimaa K Mohamed
- Suez University, Faculty of Science, Chemistry Department, 43518 Suez, Egypt
| | - Marwa A Mahmoud
- Suez University, Faculty of Petroleum and Mining Engineering, Science and Mathematics Department, Suez, Egypt
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Magdy MM, Gaber Y, Sebak M, Azmy AF, AbdelGhani S. Different metabolic pathways involved in anthracene biodegradation by Brevibacillus, Pseudomonas and Methylocystis Species. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2022. [DOI: 10.1186/s43088-021-00178-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Polycyclic aromatic hydrocarbons (PAHs) such as anthracene are one of the most toxic contaminants to our environment. Microbial biodegradation of these xenobiotics is a cost-effective technological solution. The present study aimed to recover some bacterial isolates from Beni-Suef Governorate in Egypt with high capabilities of anthracene biodegradation. The selected isolates were molecularly characterized by 16S rRNA gene sequencing, the degree of anthracene biodegradation was monitored using optical density (OD) and high-performance liquid chromatography (HPLC), PCR amplification of some selected genes encoding biodegradation of PAHs was monitored, and gas chromatography–mass spectrometry (GC–MS) analysis was applied for detecting the resulted metabolites.
Result
Three bacterial isolates were studied, the 16s rRNA sequences of the isolates showed homology of the first isolate to Brevibacillus sp. (94.58 %), the second isolates showed homology to Pseudomonas sp. (94.53%) and the third isolate showed homology to Methylocystis sp. (99.61 %), all isolates showed the ability to degrade anthracene. PCR amplification of some selected genes encoding biodegradation of PAHs revealed the presence of many biodegrading genes in the selected strains. Gas chromatography-mass spectrometry (GC–MS) analysis of the metabolites resulted from anthracene biodegradation in the present study suggested that more than one biodegradation pathway was followed by the selected isolates.
Conclusions
The selected strains could represent a potential bioremediation tool in solving the PAHs problem in the Egyptian environment with a clean and cost-effective technique.
Graphical Abstract
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7
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A turn-off luminescent europium probe for efficient and sensitive detection of some low molecular weight polycyclic aromatic hydrocarbons in seawater. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105471] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Nagai T. A novel, efficient, and ecologically relevant bioassay method using aquatic fungi and fungus-like organisms for fungicide ecological effect assessment. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2018; 37:1980-1989. [PMID: 29572919 DOI: 10.1002/etc.4138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 11/29/2017] [Accepted: 03/19/2018] [Indexed: 06/08/2023]
Abstract
Fungicides are used to control fungal plant pathogens, but they may also be highly toxic to aquatic fungi, which play an important role in natural aquatic ecosystems. However, a bioassay method using aquatic fungi has not been sufficiently developed. In the present study, a novel, efficient, and ecologically relevant bioassay method was developed for the ecological effect assessment of fungicides. Candidate test species were selected by considering the following 4 factors: 1) their ecological relevance (i.e., widely distributed and frequently observed) in freshwater habitats, 2) inclusion of a wide range of taxonomic groups, 3) availability from public culture collections, and 4) suitability for culture experiments using a microplate. The following 5 fungal species were selected: Rhizophydium brooksiaum (Chitridiomycota), Chytriomyces hyalinus (Chitridiomycota), Tetracladium setigerum (Ascomycota), Sporobolomyces roseus (Basidiomycota), and Aphanomyces stellatus (Oomycota, fungus-like organism). An efficient test method using the 5 species was developed based on a microplate assay using a 96-well white microplate and a test duration of 48 h. Fungal biomass was determined as adenosine 5'-triphosphate (ATP) luminescence, which is known to be proportional to live cell density and can be determined with a microplate reader. Test performance was evaluated by conducting bioassays of 3,5-dichlorophenol and malachite green as standard test substances. Fungal species were clearly more sensitive than other species to the fungicide malachite green. Environ Toxicol Chem 2018;37:1980-1989. © 2018 SETAC.
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Affiliation(s)
- Takashi Nagai
- Institute for Agro-Environmental Sciences, National Agriculture and Food Research Organization, Tsukuba, Ibaraki, Japan
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10
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Raghupathi PK, Liu W, Sabbe K, Houf K, Burmølle M, Sørensen SJ. Synergistic Interactions within a Multispecies Biofilm Enhance Individual Species Protection against Grazing by a Pelagic Protozoan. Front Microbiol 2018; 8:2649. [PMID: 29375516 PMCID: PMC5767253 DOI: 10.3389/fmicb.2017.02649] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 12/19/2017] [Indexed: 01/02/2023] Open
Abstract
Biofilm formation has been shown to confer protection against grazing, but little information is available on the effect of grazing on biofilm formation and protection in multispecies consortia. With most biofilms in nature being composed of multiple bacterial species, the interactions and dynamics of a multispecies bacterial biofilm subject to grazing by a pelagic protozoan predator were investigated. To this end, a mono and multispecies biofilms of four bacterial soil isolates, namely Xanthomonas retroflexus, Stenotrophomonas rhizophila, Microbacterium oxydans and Paenibacillus amylolyticus, were constructed and subjected to grazing by the ciliate Tetrahymena pyriformis. In monocultures, grazing strongly reduced planktonic cell numbers in P. amylolyticus and S. rhizophila and also X. retroflexus. At the same time, cell numbers in the underlying biofilms increased in S. rhizophila and X. retroflexus, but not in P. amylolyticus. This may be due to the fact that while grazing enhanced biofilm formation in the former two species, no biofilm was formed by P. amylolyticus in monoculture, either with or without grazing. In four-species biofilms, biofilm formation was higher than in the best monoculture, a strong biodiversity effect that was even more pronounced in the presence of grazing. While cell numbers of X. retroflexus, S. rhizophila, and P. amylolyticus in the planktonic fraction were greatly reduced in the presence of grazers, cell numbers of all three species strongly increased in the biofilm. Our results show that synergistic interactions between the four-species were important to induce biofilm formation, and suggest that bacterial members that produce more biofilm when exposed to the grazer not only protect themselves but also supported other members which are sensitive to grazing, thereby providing a "shared grazing protection" within the four-species biofilm model. Hence, complex interactions shape the dynamics of the biofilm and enhance overall community fitness under stressful conditions such as grazing. These emerging inter- and intra-species interactions could play a vital role in biofilm dynamics in natural environments like soil or aquatic systems.
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Affiliation(s)
- Prem K. Raghupathi
- Laboratory of Microbiology, Department of Veterinary Public Health and Food Safety, Faculty of Veterinary Medicine, Ghent University, Ghent, Belgium
- Section for Microbiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Wenzheng Liu
- Section for Microbiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Koen Sabbe
- Laboratory of Protistology and Aquatic Ecology, Department of Biology, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Kurt Houf
- Laboratory of Microbiology, Department of Veterinary Public Health and Food Safety, Faculty of Veterinary Medicine, Ghent University, Ghent, Belgium
| | - Mette Burmølle
- Section for Microbiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Søren J. Sørensen
- Section for Microbiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark
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Tarafdar A, Sinha A, Masto R. Biodegradation of anthracene by a newly isolated bacterial strain,Bacillus thuringiensisAT.ISM.1, isolated from a fly ash deposition site. Lett Appl Microbiol 2017; 65:327-334. [DOI: 10.1111/lam.12785] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 07/22/2017] [Accepted: 07/22/2017] [Indexed: 11/28/2022]
Affiliation(s)
- A. Tarafdar
- Department of Environmental Science and Engineering; Indian School of Mines (ISM); Dhanbad Jharkhand India
| | - A. Sinha
- Department of Environmental Science and Engineering; Indian School of Mines (ISM); Dhanbad Jharkhand India
| | - R.E. Masto
- Environmental Management Division; Central Institute of Mining and Fuel Research (Digwadih Campus); Dhanbad Jharkhand India
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12
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Apriceno A, Bucci R, Girelli AM. Immobilization of Laccase fromTrametes versicoloron Chitosan Macrobeads for Anthracene Degradation. ANAL LETT 2017. [DOI: 10.1080/00032719.2017.1282504] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Azzurra Apriceno
- Department of Chemistry, Sapienza University of Rome, Rome, Italy
| | - Remo Bucci
- Department of Chemistry, Sapienza University of Rome, Rome, Italy
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Tarafdar A, Sinha A. Estimation of decrease in cancer risk by biodegradation of PAHs content from an urban traffic soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:10373-10380. [PMID: 28281056 DOI: 10.1007/s11356-017-8676-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Accepted: 02/20/2017] [Indexed: 06/06/2023]
Abstract
The role of preferential biodegradation in the reduction of cancer risk caused by polycyclic aromatic hydrocarbons (PAHs) has been studied. A consortium of microorganisms isolated from aged oil refinery exposed soil was used to degrade 13 PAHs content extracted from an urban traffic site soil. The biodegradation arranged in a batch process with a mineral salt broth, where PAHs were the sole carbon source. 70.46% biodegradation of the total PAHs occurred in an incubation period of 25 days. Sequential or preferential biodegradation took place as the lower molecular weight (LMW) PAHs were more prone to biodegradation than that of the higher molecular weight (HMW) PAHs. Microorganisms from the isolated consortia preferred the simpler carbon sources first. The relatively higher carcinogenicity of the HMW PAHs than that of the LMW PAHs leads to only 40.26% decrement in cancer risk. Initial cancer risk for children was 1.60E-05, which was decreased to 9.47E-06, whereas, for the adults, the risk decreased to 1.01E-05 from an initial value of 1.71E-05. The relative skin adherence factor for soil (AF) turned out to be the most influential parameter with 54.2% contributions to variance in total cancer risk followed by the exposure duration (ED) for children. For the adults, most contributions to the variance in total cancer risk were 58.5% by ED and followed by AF.
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Affiliation(s)
- Abhrajyoti Tarafdar
- Department of Environmental Science and Engineering, Indian Institute of Technology (ISM), Dhanbad, Jharkhand, 826004, India
| | - Alok Sinha
- Department of Environmental Science and Engineering, Indian Institute of Technology (ISM), Dhanbad, Jharkhand, 826004, India.
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Banaeian Z, Mahdavian L. Thermodynamic study of polycyclic aromatic (anthracene) and SWNT nano-filters interaction. RUSS J APPL CHEM+ 2016. [DOI: 10.1134/s10704272150120241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Lara-Severino RDC, Camacho-López MÁ, García-Macedo JM, Gómez-Oliván LM, Sandoval-Trujillo ÁH, Isaac-Olive K, Ramírez-Durán N. Determination of the Residual Anthracene Concentration in Cultures of Haloalkalitolerant Actinomycetes by Excitation Fluorescence, Emission Fluorescence, and Synchronous Fluorescence: Comparative Study. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2016; 2016:6287931. [PMID: 26925294 PMCID: PMC4746382 DOI: 10.1155/2016/6287931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 12/08/2015] [Accepted: 12/16/2015] [Indexed: 06/05/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are compounds that can be quantified by fluorescence due to their high quantum yield. Haloalkalitolerant bacteria tolerate wide concentration ranges of NaCl and pH. They are potentially useful in the PAHs bioremediation of saline environments. However, it is known that salinity of the sample affects fluorescence signal regardless of the method. The objective of this work was to carry out a comparative study based on the sensitivity, linearity, and detection limits of the excitation, emission, and synchronous fluorescence methods, during the quantification of the residual anthracene concentration from the following haloalkalitolerant actinomycetes cultures Kocuria rosea, Kocuria palustris, Microbacterium testaceum, and 4 strains of Nocardia farcinica, in order to establish the proper fluorescence method to study the PAHs biodegrading capacity of haloalkalitolerant actinobacteria. The study demonstrated statistical differences among the strains and among the fluorescence methods regarding the anthracene residual concentration. The results showed that excitation and emission fluorescence methods performed very similarly but sensitivity in excitation fluorescence is slightly higher. Synchronous fluorescence using Δλ = 150 nm is not the most convenient method. Therefore we propose the excitation fluorescence as the fluorescence method to be used in the study of the PAHs biodegrading capacity of haloalkalitolerant actinomycetes.
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Affiliation(s)
| | | | | | | | - Ángel H. Sandoval-Trujillo
- Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana-Xochimilco, 04960 México, DF, Mexico
| | - Keila Isaac-Olive
- Facultad de Medicina, Universidad Autónoma del Estado de México, 50180 Toluca, MEX, Mexico
| | - Ninfa Ramírez-Durán
- Facultad de Medicina, Universidad Autónoma del Estado de México, 50180 Toluca, MEX, Mexico
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Sellami B, Khazri A, Louati H, Dellali M, Driss MR, Aïssa P, Mahmoudi E, Hamouda B, Coelho AV, Sheehan D. Effects of anthracene on filtration rates, antioxidant defense system, and redox proteomics in the Mediterranean clam Ruditapes decussatus (Mollusca: Bivalvia). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:10956-10968. [PMID: 25779113 DOI: 10.1007/s11356-015-4328-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 03/05/2015] [Indexed: 06/04/2023]
Abstract
This study aimed at analyzing the impact of a toxic polyaromatic hydrocarbon (PAH), anthracene (ANT), on Ruditapes decussatus collected from a Tunisian coastal lagoon (Bizerte Lagoon). Filtration rates, several antioxidant enzymes--superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), and glutathione transferase (GST)--as well as indices of protein oxidation status were determined in various tissues of this bivalve. Specimens were exposed to 100 μg/L of ANT for 2 days. ANT levels were evaluated using HPLC and were detected in the gill and digestive gland at different amounts. ANT exposure altered the behavior of bivalves by changing the siphon movement and decreasing filtration rate significantly. The enzymatic results indicated that ANT exposure affected the oxidative stress status of the gills of R. decussatus. In addition, modification of proteins was detected in the gills using redox proteomics after ANT treatment. Three protein spots were successfully identified by matrix-assisted laser desorption/ionization tandem time-of-flight mass spectrometry (MALDI-TOF-MS). These proteins can be roughly related to muscle contraction function. In contrast, no significant modification of enzymatic and protein responses was detected in the digestive gland after ANT treatment. These data demonstrate that combined behavioral and biochemical analyses are a powerful tool to provide valuable insights into possible mechanisms of toxicity of anthracene in R. decussatus. Additionally, the results highlight the potential of the gill as a valuable candidate for investigating PAH toxicity.
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Affiliation(s)
- Badreddine Sellami
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021, Zarzouna, Tunisia,
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Sellami B, Khazri A, Mezni A, Louati H, Dellali M, Aissa P, Mahmoudi E, Beyrem H, Sheehan D. Effect of permethrin, anthracene and mixture exposure on shell components, enzymatic activities and proteins status in the Mediterranean clam Venerupis decussata. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2015; 158:22-32. [PMID: 25461742 DOI: 10.1016/j.aquatox.2014.10.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2014] [Revised: 10/20/2014] [Accepted: 10/25/2014] [Indexed: 06/04/2023]
Abstract
Anthracene (ANT) and permethrin (PER) are two of the more toxic compounds reaching the marine environment. This study aimed to determine the impact of these molecules on Venerupis decussata, an economically important species cultured on the Tunisian coast. Shell structure and its possible transformation upon exposure to the two contaminants were studied by X-ray diffraction and gravimetric analyses. Results revealed a phase transition in shell composition from aragonite to calcite after PER exposure, to a mixture of PER and ANT (Mix) but not for ANT alone. Catalase (CAT), superoxide dismutase (SOD) and glutathione transferase (GST) activities were determined in digestive gland and gills after exposure to ANT, PER and Mix to assess the impact of the contamination on the oxidative status of V. decussata. Enzyme activities increased in the digestive gland after PER treatment and in the gills after ANT treatment. PER exposure significantly reduced the levels of free thiols and increased levels of carbonylated proteins in the digestive gland, as compared to controls. In contrast, ANT exposure significantly reduced free thiols and increased the number of carbonylated proteins in the gills. Mix induced additive effects as measured by both enzymatic and proteomic approaches. The present study suggests that PER has a strong effect on shell structure; that PER and ANT exposure generate compound-dependent oxidative stress in the tissues of V. decussata and that a mixture of the two compounds has synergistic effects on biochemical response.
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Affiliation(s)
- Badreddine Sellami
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia.
| | - Abdelhafidh Khazri
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Amine Mezni
- Unit of Research 99/UR12-30, Department of Chemistry, Faculty of Sciences of Bizerte, 7021 Jarzouna, Tunisia
| | - Héla Louati
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Mohamed Dellali
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Patricia Aissa
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Ezzeddine Mahmoudi
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Hamouda Beyrem
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - David Sheehan
- Environmental Research Institute and Department of Biochemistry, University College Cork, Western Gateway Building, Western Road, Cork, Ireland.
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18
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Westman O, Larsson M, Venizelos N, Hollert H, Engwall M. An oxygenated metabolite of benzo[a]pyrene increases hepatic β-oxidation of fatty acids in chick embryos. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:6243-6251. [PMID: 24385188 DOI: 10.1007/s11356-013-2471-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2013] [Accepted: 12/16/2013] [Indexed: 06/03/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are well-known carcinogens to humans and ecotoxicological effects have been shown in several studies. However, PAHs can also be oxidized into more water soluble-oxygenated metabolites (Oxy-PAHs). The first purpose of the present project was to (1) assess the effects of a mixture containing three parent PAHs: anthracene, benz[a]anthracene, and benzo[a]pyrene versus a mixture of their oxygenated metabolites, namely: anthracene-9,10-dione, benz[a]anthracene-7,12-dione, and 9,10-dihydrobenzo[a]pyrene-7-(8H)-one on the hepatic fatty acid β-oxidation in chicken embryos (Gallus gallus domesticus) exposed in ovo. The second and also main purpose of the project was to (2) assess the effects of the parent PAHs versus their oxy-PAHs analogues when injected individually, followed by (3) additional testing of the individual oxy-PAHs. The hepatic β-oxidation was measured using a tritium release assay with [9,10-(3)H]-palmitic acid (16:0) as substrate. The result from the first part (1) showed reduced hepatic β-oxidation after exposure in ovo to a mixture of three PAHs, however, increased after exposure to the mixture of three oxy-PAHs compared to control. The result from the second part (2) and also the follow-up experiment (3) showed that 9,10-dihydrobenzo[a]pyrene-7-(8H)-one was the causative oxy-PAH. The implication of this finding on the risk assessment of PAH metabolite exposure in avian wildlife remains to be determined. To the best of our knowledge, no similar studies have been reported.
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Affiliation(s)
- Ola Westman
- MTM Research Centre, School of Science and Technology, Örebro University, Örebro, SE-70182, Sweden,
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19
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Gravato C, Almeida JR, Silva C, Oliveira C, Soares AMVM. Using a multibiomarker approach and behavioural responses to assess the effects of anthracene in Palaemon serratus. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 149:94-102. [PMID: 24572073 DOI: 10.1016/j.aquatox.2014.01.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 01/26/2014] [Accepted: 01/29/2014] [Indexed: 06/03/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are recognised as one of the main groups of contaminants that assume more importance in the marine environment, enhancing the need of studies concerning their adverse effects and more efficient and ecologically relevant tools for environmental monitoring purposes. This study aims to apply an integrated approach including several multi-level biological responses (accumulation levels, biochemical responses important for different physiological functions and behavioural alterations) to assess the ecological relevance of the effects induced by sub-lethal concentrations of anthracene (ANT) in Palaemon serratus (common prawn). ANT accumulation was assessed by measuring the levels of ANT-type compounds in prawn digestive gland, muscle and eye; biochemical responses were determined using biomarkers involved in biotransformation, oxidative damage, energy production and neurotransmission processes; and behavioural alterations through swimming performance after 96 h exposure bioassay (ANT:16-1,024 μg/L). The rationale behind this approach is to assess the ecologically relevant effects induced by ANT in prawn, given by the association between behavioural alterations with biochemical responses, in search for more efficient tools for environmental risk assessment. Results show a significant decrease of swimming velocity (LOEC=128 μg/L) along with increased levels of ANT-type compounds in digestive gland (LOEC=128 μg/L), muscle (LOEC=256 μg/L) and eye (LOEC=32 μg/L) in prawn exposed to ANT. Increased activities of glutathione peroxidase (GPx) and catalase (CAT), involved in anti-oxidant defence system, were also observed (LOEC=256 μg/L; 1024μg/L, respectively) in the digestive gland of prawn, induction of oxidative damage in lipids (LPO) also occurred (LOEC=32 μg/L). The inhibition of swimming velocity showed a correlation with some biochemical parameters measured, including the levels of ANT-type compounds in tissues and LPO, and thus these may be considered sensitive and ecologically relevant criteria as well as early warning endpoints for assessing polycyclic aromatic compounds exposure effects on marine organisms.
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Affiliation(s)
- Carlos Gravato
- CESAM & Department of Biology, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal; CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, P 4050-123 Porto, Portugal.
| | - Joana R Almeida
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, P 4050-123 Porto, Portugal
| | - Carlos Silva
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, P 4050-123 Porto, Portugal
| | - Cristiana Oliveira
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, P 4050-123 Porto, Portugal
| | - Amadeu M V M Soares
- CESAM & Department of Biology, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
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20
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Tylkowski B, Carosio F, Castañeda J, Alongi J, García-Valls R, Malucelli G, Giamberini M. Permeation Behavior of Polysulfone Membranes Modified by Fully Organic Layer-by-Layer Assemblies. Ind Eng Chem Res 2013. [DOI: 10.1021/ie402942g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Bartosz Tylkowski
- Departament
de Enginyeria Química, Universitat Rovira i Virgili, Av.
Països Catalans, 26, 43007 Tarragona, Spain
- Centre Tecnologic de la Quimica de Catalunya, Carrer de Marcelli Domingo, s/n Campus Sescelades, 43007 Tarragona, Spain
| | - Federico Carosio
- Department
of Applied Science and Technology, Politecnico di Torino, Viale T. Michel
5, 15121 Alessandria, Italy
| | - Joandiet Castañeda
- Departament
de Enginyeria Química, Universitat Rovira i Virgili, Av.
Països Catalans, 26, 43007 Tarragona, Spain
| | - Jenny Alongi
- Department
of Applied Science and Technology, Politecnico di Torino, Viale T. Michel
5, 15121 Alessandria, Italy
| | - Ricard García-Valls
- Departament
de Enginyeria Química, Universitat Rovira i Virgili, Av.
Països Catalans, 26, 43007 Tarragona, Spain
| | - Giulio Malucelli
- Department
of Applied Science and Technology, Politecnico di Torino, Viale T. Michel
5, 15121 Alessandria, Italy
| | - Marta Giamberini
- Departament
de Enginyeria Química, Universitat Rovira i Virgili, Av.
Països Catalans, 26, 43007 Tarragona, Spain
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21
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Shi Y, Lu Y, Meng F, Guo F, Zheng X. Occurrence of organic chlorinated pesticides and their ecological effects on soil protozoa in the agricultural soils of North Western Beijing, China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2013; 92:123-128. [PMID: 23582133 DOI: 10.1016/j.ecoenv.2013.03.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2012] [Revised: 03/05/2013] [Accepted: 03/06/2013] [Indexed: 06/02/2023]
Abstract
The occurrence of ∑HCHs, ∑DDTs, protozoa abundance and their community structure in surface soils of orchards, vegetable lands, and barren lands in northern west outskirts of Beijing were detected in order to investigate the protozoa responses to low dose organic chlorinated Pesticides (OCPs) after long-term field-based exposure. Significant differences in total concentrations of HCHs and DDTs were found among the three general groups ranking in decreasing order of concentration from orchard>vegetable lands >barren lands. Ciliate was the rare group in surface soils of all the sampling groups. The abundance of flagellate, ciliate, and amoebae in vegetable soils were significantly higher than those in orchard soils. The abundance of all the taxa of protozoa was strongly negative correlated with the residue level of ∑HCHs and ∑DDTs (P<0.05) in agricultural soils. However, no negative correlation between the residue levels of OCPs and protozoa abundance was shown in both the orchard and the barren soils. This field study demonstrated a considerable long-term impact of the OCPs residue on the abundance of protozoa in soils, and that the abundance of soil protozoa was much more influenced by land use type in association with different soil properties.
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Affiliation(s)
- Yajuan Shi
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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22
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Westman O, Nordén M, Larsson M, Johansson J, Venizelos N, Hollert H, Engwall M. Polycyclic aromatic hydrocarbons (PAHs) reduce hepatic β-oxidation of fatty acids in chick embryos. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2013; 20:1881-1888. [PMID: 23274806 DOI: 10.1007/s11356-012-1418-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Accepted: 12/10/2012] [Indexed: 06/01/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are widespread fused-ring contaminants formed during incomplete combustion of almost all kind of organic materials from both natural and anthropogenic sources. Some PAHs have been shown to be carcinogenic to humans, and a wide range of PAHs are found in wildlife all around the globe including avian species. The purpose of this project was to assess the effects of a standard mixture of 16 PAHs (United States Environmental Protection Agency) on the hepatic fatty acid β-oxidation in chicken embryos (Gallus gallus domesticus) exposed in ovo. The hepatic β-oxidation was measured using a tritium release assay with [9,10-(3)H]-palmitic acid (16:0) as substrate. Treated groups were divided into groups of 0.05, 0.1, 0.3, 0.5, and 0.8 mg PAHs/kg egg weight. The hepatic β-oxidation was reduced after exposure in ovo to the 16 PAHs mixture compared to control. The mechanisms causing reduced fatty acid oxidation in the present study are unclear, however may be due to deficient membrane structure, the functionality of enzymes controlling the rate of fatty acid entering into the mitochondria, or complex pathways connected to endocrine disruption. To the best of our knowledge, this is the first time a PAH-caused reduction of hepatic β-oxidation of fatty acids in avian embryos has been observed. The implication of this finding on risk assessment of PAH exposure in avian wildlife remains to be determined.
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Affiliation(s)
- Ola Westman
- Man-Technology-Environment Research Center, School of Science and Technology, Örebro University, 70182, Örebro, Sweden.
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23
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Rapid determination of polycyclic aromatic hydrocarbons (PAHs) in zebrafish eleutheroembryos as a model for the evaluation of PAH bioconcentration. Talanta 2013; 104:67-74. [DOI: 10.1016/j.talanta.2012.11.025] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Revised: 11/05/2012] [Accepted: 11/11/2012] [Indexed: 11/18/2022]
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24
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Ke J, Singh D, Chen S. Metabolism of polycyclic aromatic hydrocarbons by the wood-feeding termite Coptotermes formosanus (Shiraki). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:1788-1797. [PMID: 22280527 DOI: 10.1021/jf204707d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are among the most prevalent and persistent pollutants in the environment. In this study, the wood-feeding termite (WFT) Coptotermes formosanus (Shiraki) was studied regarding the potential ability to degrade two selected low-molecular-weight PAHs, phenanthrene and anthracene. Pyrolysis-gas chromatography/mass spectrometry was employed for analysis of in vivo PAH degradation by three gut segments (fore-, mid-, and hindgut) of the WFT. The results revealed the capability of lower termite for PAH metabolism, which started from the foregut and mainly occurred in the midgut region. Remediation of phenanthrene by the termite has been proposed to be initiated via hydroxylation at the C-10 position. Anthracene metabolism first occurred at the C-3, C-5, and C-12 positions with the addition of aldehyde and carbonyl groups. Ring hydroxylation, methoxylation, esterification, carboxylation, and methylation were detected on both the PAHs for ring fission, suggesting the existence of effective PAH modification activity in the alimentary canal of C. formosanus . This new PAH degradation system of the WFT provides new insights for potential technologies for bioremediation of PAH-contaminated soil and sediment based on the related lingolytic enzymes.
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Affiliation(s)
- Jing Ke
- Department of Biological Systems Engineering, Washington State University, Pullman, Washington 99164-6120, United States
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25
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Tukaj S, Bisewska J, Roeske K, Tukaj Z. Time- and dose-dependent induction of HSP70 in Lemna minor exposed to different environmental stressors. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2011; 87:226-30. [PMID: 21681399 PMCID: PMC3155749 DOI: 10.1007/s00128-011-0339-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Accepted: 06/10/2011] [Indexed: 05/07/2023]
Abstract
The objective of this study was to examine the influence of different stressors, including cadmium (heavy metal), anthracene (polycyclic aromatic hydrocarbon-PAH) and chloridazon (herbicide), on population growth and biosynthesis of cytoplasmic HSP70 in Lemna minor (duckweed) in short (4 h)- and long (7 days)-term tests. A heat shock response was confirmed in Lemna exposed to high temperature: 35, 37.5, 40, or 42.5°C in short-term (4 h) treatments. The chemicals tested stimulated the biosynthesis of the cytoplasmic HSP70 protein in a concentration-dependent way (0.5-5 μM), higher in fronds exposed to lower doses of stressors. Additionally, production of HSP70 was greater after 4 h of incubation than after 7 days. The results suggest that HSP70 could be applied as a non-specific and sensitive detector of stress induced by different chemicals at concentrations below those that produce the type of response observed in classical cytotoxicity tests, such as growth inhibition.
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Affiliation(s)
- Stefan Tukaj
- Department of Plant Physiology, University of Gdańsk, Gdynia, Poland.
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26
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Ong PT, Yong JC, Chin KY, Hii YS. Bioaccumulation and depuration of anthracene in Penaeus monodon (Fibricius) through food ingestion. CHEMOSPHERE 2011; 84:578-584. [PMID: 21529890 DOI: 10.1016/j.chemosphere.2011.03.059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2010] [Revised: 03/21/2011] [Accepted: 03/24/2011] [Indexed: 05/30/2023]
Abstract
Understanding on the bioaccumulation and depuration of PAHs (polycyclic aromatic hydrocarbons) in Penaeus monodon is important in seafood safety because it is one of the most popular seafood consumed worldwide. In this study, we used anthracene as the precursor compound for PAHs accumulation and depuration in the shrimp. Commercial feed pellets spiked with anthracene were fed to P. monodon. At 20 mg kg(-1) anthracene, P. monodon accumulated 0.1% of the anthracene from the feed. P. monodon deputed the PAH two times faster than its accumulation. The shrimp reduced its feed consumption when anthracene content in the feed exceeded 20 mg kg(-1). At 100 mg kg(-1) anthracene, P. monodon started to have necrosis tissues on the posterior end of their thorax. The bioaccumulation factor (BAF), uptake rate constant (k(1)) and depuration rate constant (k(2)) of anthracene in P. monodon were 1.15×10(-3), 6.80×10(-4) d(-1) and 6.28×10(-1) d(-1), respectively. The depuration rate constant is about thousand times higher than the uptake rate constant and this indicated that this crustacean is efficient in depurating hydrocarbons from their tissue.
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Affiliation(s)
- Pei Thing Ong
- Faculty of Agrotechnology and Food Science, University Malaysia Terengganu, Malaysia
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27
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Fernández-Luqueño F, Valenzuela-Encinas C, Marsch R, Martínez-Suárez C, Vázquez-Núñez E, Dendooven L. Microbial communities to mitigate contamination of PAHs in soil--possibilities and challenges: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2011; 18:12-30. [PMID: 20623198 DOI: 10.1007/s11356-010-0371-6] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2010] [Accepted: 06/23/2010] [Indexed: 05/26/2023]
Abstract
BACKGROUND, AIM, AND SCOPE Although highly diverse and specialized prokaryotic and eukaryotic microbial communities in soil degrade polycyclic aromatic hydrocarbons (PAHs), most of these are removed slowly. This review will discuss the biotechnological possibilities to increase the microbial dissipation of PAHs from soil as well as the main biological and biotechnological challenges. DISCUSSION AND CONCLUSIONS Microorganism provides effective and economically feasible solutions for soil cleanup and restoration. However, when the PAHs contamination is greater than the microbial ability to dissipate them, then applying genetically modified microorganisms might help to remove the contaminant. Nevertheless, it is necessary to have a more holistic review of the different individual reactions that are simultaneously taking place in a microbial cell and of the interactions microorganism-microorganism, microorganism-plant, microorganism-soil, and microorganisms-PAHs. PERSPECTIVES Elucidating the function of genes from the PAHs-polluted soil and the study in pure cultures of isolated PAHs-degrading organisms as well as the generation of microorganisms in the laboratory that will accelerate the dissipation of PAHs and their safe application in situ have not been studied extensively. There is a latent environmental risk when genetically engineered microorganisms are used to remedy PAHs-contaminated soil.
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Affiliation(s)
- F Fernández-Luqueño
- Renewable Energy Engineering, Universidad Tecnológica de Tulancingo, Tulancingo, Hidalgo 43642, México.
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28
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Hu X, Wang P, Hwang HM. Oxidation of anthracene by immobilized laccase from Trametes versicolor. BIORESOURCE TECHNOLOGY 2009; 100:4963-4968. [PMID: 19564104 DOI: 10.1016/j.biortech.2009.03.089] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2008] [Revised: 03/09/2009] [Accepted: 03/09/2009] [Indexed: 05/28/2023]
Abstract
The laccase of Trametes versicolor was immobilized on the functionalized nanoparticles SBA-15 with the average diameter less than 10 nm. Laccase mediated oxidations of anthracene (ANT) were investigated in the presence of two mediators, 2,2'-azino-bis-(3-ethylbenzothiazoline-6-sulphonic acid) diammonium salt (ABTS) and 1-hydroxybenzotriazole (HBT). Oxidation of ANT was more efficiently enhanced by adding 1 mM of HBT than that by adding ABTS. After 48 h oxidation HBT group significantly oxidized ANT with residue 58% relative to 88% in the ABTS group. HPLC and GC/MS analyses indicated the main product of ANT oxidation was anthraquinone (ANQ). The fluorescein diacetate (FDA) uptake of two human cell lines was used to assess the cytotoxicity and genotoxicity of ANT and ANQ. Treatments with ANT and ANQ at 5 and 10 microM exhibited significant cytotoxicity to the HaCaT cells and the A3 lymphocytes and no significant genotoxicity was observed. The results illustrated that ANQ is less toxic than ANT as well.
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Affiliation(s)
- Xiaoke Hu
- Department of Biology, Jackson State University, P.O. Box 18540, Jackson, MS 39217, USA
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29
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Ahmad A, Moore EJ. Comparison of Cell-Based Biosensors with Traditional Analytical Techniques for Cytotoxicity Monitoring and Screening of Polycyclic Aromatic Hydrocarbons in the Environment. ANAL LETT 2009. [DOI: 10.1080/00032710802564852] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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30
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Mohammadi A, Enayatzadeh M, Nasernejad B. Enzymatic degradation of anthracene by the white rot fungus Phanerochaete chrysosporium immobilized on sugarcane bagasse. JOURNAL OF HAZARDOUS MATERIALS 2009; 161:534-537. [PMID: 18482797 DOI: 10.1016/j.jhazmat.2008.03.132] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2008] [Revised: 03/26/2008] [Accepted: 03/31/2008] [Indexed: 05/26/2023]
Abstract
Bagasse is a by-product of sugar milling and important fuel resource for that industry. It is a fibrous, low density material with a very wide range of particle sizes and high moisture content. The goal of this study is the development of a system based on the use of the ligninolytic enzyme manganese peroxidase (MnP) produced by Phanerochaete chrysosporium for the degradation of polycyclic aromatic hydrocarbons (PAHs), of which anthracene was selected as an example. The white rot fungus P. chrysosporium immobilized on bagasse was grown in both stationary and agitated cultures (rotary shaker, 80rpm) using nitrogen limited growth medium to study the ability of the fungus to degrade anthracene in aqueous media. Production of MnP occurred simultaneously in nitrogen limited culture medium with the added MnSO4 at 40ppm. The MnP activity was at relatively high level (76Ul(-1)) and in this condition, the residual anthracene concentration was 16%.
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Affiliation(s)
- A Mohammadi
- Department of Chemical Engineering, Amirkabir University of Technology, No. 424, Hafez Ave., Tehran, Iran
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31
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Guiraud P, Bonnet JL, Boumendjel A, Kadri-Dakir M, Dusser M, Bohatier J, Steiman R. Involvement of Tetrahymena pyriformis and selected fungi in the elimination of anthracene, and toxicity assessment of the biotransformation products. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2008; 69:296-305. [PMID: 17257678 DOI: 10.1016/j.ecoenv.2006.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2005] [Revised: 08/18/2006] [Accepted: 11/10/2006] [Indexed: 05/13/2023]
Abstract
Anthracene (AC) is a non-mutagenic and non-carcinogenic, low-molecular-weight polycyclic aromatic hydrocarbon present in the environment. Its toxicity can be dramatically increased after solar-light exposure. Biotransformation capacities of AC by Tetrahymena pyriformis and a selection of eight micromycetes were studied, and the ability of these microorganisms to detoxify the polluted ecosystems was assessed. We showed that T. pyriformis was able to accumulate high amounts of AC without any transformation. In contrast, the fungi Cunninghamella elegans, Absidia fusca, Absidia cylindrospora, Rhodotorula glutinis, and Aspergillus terreus were able to transform AC with a high efficiency. Cytotoxicity assays conducted on HeLa cells and T. pyriformis showed that crude extract from A. fusca culture medium obtained after AC biotransformation was not toxic. For A. fusca and A. cylindrospora, 1-4 dihydroxyanthraquinone was shown to be the major product during the biotransformation process. This compound seemed to be a dead-end metabolite at least for the Absidia strains. The cytotoxicity of 1-4 dihydroxyanthraquinone was higher than that of AC to T. pyriformis but lower to HeLa cells. On the whole our results showed that the microorganisms studied were all able to decontaminate an AC-polluted ecosystem, either by accumulating or transforming the compound. A possible detoxification process resulting from AC biotransformation can be considered only using the human cell model.
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Affiliation(s)
- P Guiraud
- Laboratoire ORSOX (EA-3776, CEA-LRC 8M), Université Joseph Fourier, UFR de Pharmacie, Domaine de La Merci, 38700 La Tronche, France.
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Wieczorek JK, Wieczorek ZJ. Phytotoxicity and accumulation of anthracene applied to the foliage and sandy substrate in lettuce and radish plants. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2007; 66:369-77. [PMID: 16368141 DOI: 10.1016/j.ecoenv.2005.10.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2005] [Revised: 10/05/2005] [Accepted: 10/10/2005] [Indexed: 05/05/2023]
Abstract
The effects of anthracene (ANT) on the growth of two species of vegetable plants (Lactuca sativa L. and Raphanus sativus L.), which play an important role in the human diet, were studied. ANT was applied to the leaves of these plants by foliar deposition, in aerosol form, and to the sandy substrate in which the plants were grown in a greenhouse. It was found that ANT affected plant biomass, especially root biomass, in the case of both foliar and soil application. Under conditions of induced chemical stress, the dry matter of aboveground parts and roots was lower than that in control plants. The rate of photosynthesis decreased by about 20% in both plant species following foliar ANT application. A lower rate of transpiration was also observed in lettuce plants. After the foliar application of ANT, small quantities of the compound were found in the leaves only (0.06-0.18% of the total dose). ANT translocation to other parts of the plants was not observed. This compound underwent rapid chemical changes on the leaf surface under greenhouse conditions. After the application of ANT to a sandy substrate, this compound was detected in the roots and aboveground parts of plants, which indicates that it was transported throughout the plant. In a sandy substrate, the process of ANT decomposition was much slower-60-70% of the administered dose was measured in the soil after the completion of the experiment.
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Affiliation(s)
- J K Wieczorek
- Institute of Commodities Science and Quality Management, University of Warmia and Mazury in Olsztyn, Plac Cieszyński 1, 10-726 Olsztyn, Poland
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Impact of basidiomycete fungi on the wettability of soil contaminated with a hydrophobic polycyclic aromatic hydrocarbon. Biologia (Bratisl) 2006. [DOI: 10.2478/s11756-006-0184-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Jouybana A, Khoubnasabjafari M, Acree WE. Predicting Solubility of Anthracene in Non-aqueous Solvent Mixtures Using a Combination of Jouyban-Acree and Abraham Models. Chem Pharm Bull (Tokyo) 2006; 54:1124-30. [PMID: 16880656 DOI: 10.1248/cpb.54.1124] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Quantitative structure property relationships were proposed to calculate the binary interaction terms of the Jouyban-Acree model using coefficients of Abraham solvational models. The applicability of the proposed methods for reproducing solubility data of anthracene in binary solvents has been evaluated using 56 solubility data sets collected from the literature. The mean percentage deviation (MPD) of experimental and calculated solubilities, using predicted mole fraction solubility of anthracene in solvents 1 and 2, has been computed as a measure of accuracy and the MPD of the proposed methods were 5.5 and 4.2%. The accuracy of the method was compared with that of a previously reported method where the MPD was 14.4% and the mean differences between proposed and previous methods was statistically significant. To provide a predictive model, solubility of anthracene was computed using Abraham solvational models and employed to predict the solubility in binary solvents using derived model constants of Jouyban-Acree model and the obtained MPDs were 37.9 and 22.2%, respectively.
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Affiliation(s)
- Abolghasem Jouybana
- Faculty of Pharmacy and Drug Applied Research Centre, Tabriz University of Medical Sciences, Tabriz 51664, Iran.
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