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Incardona JP, Linbo TL, Cameron JR, French BL, Bolton JL, Gregg JL, Donald CE, Hershberger PK, Scholz NL. Biological Responses of Pacific Herring Embryos to Crude Oil Are Quantifiable at Exposure Levels Below Conventional Limits of Quantitation for PAHs in Water and Tissues. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:19214-19222. [PMID: 37963111 DOI: 10.1021/acs.est.3c04122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Pacific herring (Clupea pallasii), a cornerstone of marine food webs, generally spawn on marine macroalgae in shallow nearshore areas that are disproportionately at risk from oil spills. Herring embryos are also highly susceptible to toxicity from chemicals leaching from oil stranded in intertidal and subtidal zones. The water-soluble components of crude oil trigger an adverse outcome pathway that involves disruption of the physiological functions of cardiomyocytes in the embryonic herring heart. In previous studies, impaired ionoregulation (calcium and potassium cycling) in response to specific polycyclic aromatic hydrocarbons (PAHs) corresponds to lethal embryolarval heart failure or subtle chamber malformations at the high and low ends of the PAH exposure range, respectively. Sublethal cardiotoxicity, which involves an abnormal outgrowth (ballooning) of the cardiac ventricular chamber soon after hatching, subsequently compromises juvenile heart structure and function, leading to pathological hypertrophy of the ventricle and reduced individual fitness, measured as cardiorespiratory performance. Previous studies have not established a threshold for these sublethal and delayed-in-time effects, even with total (∑)PAH exposures as low as 29 ng/g of wet weight (tissue dose). Here, we extend these earlier findings showing that (1) cyp1a gene expression provides an oil exposure metric that is more sensitive than typical quantitation of PAHs via GC-MS and (2) heart morphometrics in herring embryos provide a similarly sensitive measure of toxic response. Early life stage injury to herring (impaired heart development) thus occurs below the quantitation limits for PAHs in both water and embryonic tissues as a conventional basis for assessing oil-induced losses to coastal marine ecosystems.
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Affiliation(s)
- John P Incardona
- National Oceanic and Atmospheric Administration, Northwest Fisheries Science Center, Seattle, Washington 98112, United States
| | - Tiffany L Linbo
- National Oceanic and Atmospheric Administration, Northwest Fisheries Science Center, Seattle, Washington 98112, United States
| | - James R Cameron
- National Oceanic and Atmospheric Administration, Saltwater, Inc., under Contract to Northwest Fisheries Science Center, Seattle, Washington 98112, United States
| | - Barbara L French
- National Oceanic and Atmospheric Administration, Northwest Fisheries Science Center, Seattle, Washington 98112, United States
| | - Jennie L Bolton
- National Oceanic and Atmospheric Administration, Northwest Fisheries Science Center, Seattle, Washington 98112, United States
| | - Jacob L Gregg
- Marrowstone Marine Field Station, US Geological Survey, Western Fisheries Research Center, Nordland, Washington 98358-9633, United States
| | - Carey E Donald
- Institute of Marine Research, Bergen, Nordnes 5817, Norway
| | - Paul K Hershberger
- Marrowstone Marine Field Station, US Geological Survey, Western Fisheries Research Center, Nordland, Washington 98358-9633, United States
| | - Nathaniel L Scholz
- National Oceanic and Atmospheric Administration, Northwest Fisheries Science Center, Seattle, Washington 98112, United States
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Brünjes J, Seidel M, Dittmar T, Niggemann J, Schubotz F. Natural Asphalt Seeps Are Potential Sources for Recalcitrant Oceanic Dissolved Organic Sulfur and Dissolved Black Carbon. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:9092-9102. [PMID: 35584055 DOI: 10.1021/acs.est.2c01123] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Natural oil seepages contribute about one-half of the annual petroleum input to marine systems. Yet, environmental implications and the persistence of water-soluble hydrocarbons from these seeps are vastly unknown. We investigated the release of oil-derived dissolved organic matter (DOM) from natural deep sea asphalt seeps using laboratory incubation experiments. Fresh asphalt samples collected at the Chapopote asphalt volcano in the Southern Gulf of Mexico were incubated aerobically in artificial seawater over 4 weeks. The compositional changes in the water-soluble fraction of asphalt-derived DOM were determined with ultrahigh-resolution mass spectrometry (Fourier-transform ion cyclotron resonance mass spectrometry, FT-ICR-MS) and by excitation-emission matrix spectroscopy to characterize fluorescent DOM (FDOM) applying parallel factor (PARAFAC) analysis. Highly reduced aliphatic asphalt-derived DOM was readily biodegraded, while aromatic and sulfur-enriched DOM appeared to be less bioavailable and accumulated in the aqueous phase. A quantitative molecular tracer approach revealed the abundance of highly condensed aromatic molecules of thermogenic origin. Our results indicate that natural asphalt and potentially other petroleum seepages can be sources of recalcitrant dissolved organic sulfur and dissolved black carbon to the ocean.
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Affiliation(s)
- Jonas Brünjes
- MARUM Center for Marine Environmental Sciences, University of Bremen, Bremen 28359, Germany
| | - Michael Seidel
- Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky University of Oldenburg, Oldenburg 26129, Germany
| | - Thorsten Dittmar
- Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky University of Oldenburg, Oldenburg 26129, Germany
- Helmholtz Institute for Functional Marine Biodiversity at the University of Oldenburg, Oldenburg 26129, Germany
| | - Jutta Niggemann
- Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky University of Oldenburg, Oldenburg 26129, Germany
| | - Florence Schubotz
- MARUM Center for Marine Environmental Sciences, University of Bremen, Bremen 28359, Germany
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3
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Removal of Petroleum Hydrocarbons from Brackish Water by Natural and Modified Sorbents. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2022. [DOI: 10.3390/jmse10050597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Crude oil and petroleum products made from it are increasingly being extracted and consumed worldwide as an important energy source. During necessary transportation, e.g., by tanker, an oil spill might occur, which leads to water pollution by oil. One of the methods of cleaning up oil spills is to use sorbents, preferably made from natural materials. This study evaluates the remediation efficiency of brackish water polluted with crude oil, marine diesel oil (MDO) and lubricating oil. The experiment was performed with three different sorbents (straw, straw modified with methoxytrimethylsilanes (MTMS) and wood chip shavings) and without them. The evaporation loss and the dissolved and sorbed fractions of oil were measured by gas chromatography (GC) to evaluate remediation efficiency. Hydrophobization made the natural sorbents buoyant for the duration of the experiment, with only a slight increase in the maximum sorption capacity. The sorbents increased the evaporation of the oils and also of the water, reduced the proportion of the oil dissolved in water and retained the sorbed proportion for the lubricating oil and partly for the MDO, to such an extent that it could not be extracted entirely even after a 60-min extraction time.
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4
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Ajmal Ahamed S, Mohamed Riyaz S, Mahadevan A, Mohamed Hathim J, Bakrutheen M, Willjuice Iruthayarajan M. Impact of Moisture on AC Breakdown Voltage of Crude, Refined and Transesterified Groundnut Oil-based Liquid Insulations. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2021. [DOI: 10.1007/s13369-021-05543-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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5
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Horeh MB, Hassani K, Rostami B, Ghorbanizadeh S. Synergistic effect of salt ions and water‐soluble amphiphilic compounds of acidic crude oil on surface and
interfacial tension. CAN J CHEM ENG 2021. [DOI: 10.1002/cjce.24044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Mohsen B. Horeh
- Institute of Petroleum Engineering, School of Chemical Engineering University of Tehran Tehran Iran
| | - Kamran Hassani
- Institute of Petroleum Engineering, School of Chemical Engineering University of Tehran Tehran Iran
| | - Behzad Rostami
- Institute of Petroleum Engineering, School of Chemical Engineering University of Tehran Tehran Iran
| | - Salman Ghorbanizadeh
- Institute of Petroleum Engineering, School of Chemical Engineering University of Tehran Tehran Iran
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McKenna AM, Chen H, Weisbrod CR, Blakney GT. Molecular Comparison of Solid-Phase Extraction and Liquid/Liquid Extraction of Water-Soluble Petroleum Compounds Produced through Photodegradation and Biodegradation by FT-ICR Mass Spectrometry. Anal Chem 2021; 93:4611-4618. [PMID: 33660499 DOI: 10.1021/acs.analchem.0c05230] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We apply two widely used extraction techniques, liquid/liquid extraction and solid-phase extraction with styrene-divinylbenzene polymer with a proprietary nonpolar surface priority pollutant (PPL) to water-soluble compounds generated through photodegradation and biodegradation of petroleum. We compare the molecular composition of bio- and photodegraded water-soluble organic (WSO) acids by 21 T negative-ion electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS). We highlight the compositional differences between the two extraction techniques for abiotic and biotic degradation processes and identify known toxic species (naphthenic acids) produced through hydrocarbon biodegradation identified by liquid/liquid extraction (LLE) that are not detected with solid-phase extraction (SPE) of the same sample. Photodegraded WSO compounds extracted by SPE-PPL correspond to species with higher O/C ratio and carbon number compared to LLE extracted compounds. Naphthenic acids, a recalcitrant class of nonaromatic carboxylic acids and known acute toxicants formed through biodegradation of oil, are detected in LLE extracts (up to C30 and double-bond equivalents, DBE < 3) but are not detected in SPE-PPL extracts. This suggests that LLE and SPE-PPL retain different water-soluble oil species based on the dominant type of oil weathering process.
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Affiliation(s)
- Amy M McKenna
- National High Magnetic Field Laboratory, Florida State University,1800 East Paul Dirac Drive, Tallahassee, Florida 32310-4005, United States
| | - Huan Chen
- National High Magnetic Field Laboratory, Florida State University,1800 East Paul Dirac Drive, Tallahassee, Florida 32310-4005, United States
| | - Chad R Weisbrod
- National High Magnetic Field Laboratory, Florida State University,1800 East Paul Dirac Drive, Tallahassee, Florida 32310-4005, United States
| | - Gregory T Blakney
- National High Magnetic Field Laboratory, Florida State University,1800 East Paul Dirac Drive, Tallahassee, Florida 32310-4005, United States
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Rivas-Ubach A, Liu Y, Steiner AL, Sardans J, Tfaily MM, Kulkarni G, Kim YM, Bourrianne E, Paša-Tolić L, Peñuelas J, Guenther A. Atmo-ecometabolomics: a novel atmospheric particle chemical characterization methodology for ecological research. ENVIRONMENTAL MONITORING AND ASSESSMENT 2019; 191:78. [PMID: 30649631 DOI: 10.1007/s10661-019-7205-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: 06/08/2018] [Accepted: 01/04/2019] [Indexed: 06/09/2023]
Abstract
Aerosol particles play important roles in processes controlling the composition of the atmosphere and function of ecosystems. A better understanding of the composition of aerosol particles is beginning to be recognized as critical for ecological research to further comprehend the link between aerosols and ecosystems. While chemical characterization of aerosols has been practiced in the atmospheric science community, detailed methodology tailored to the needs of ecological research does not exist yet. In this study, we describe an efficient methodology (atmo-ecometabolomics), in step-by-step details, from the sampling to the data analyses, to characterize the chemical composition of aerosol particles, namely atmo-metabolome. This method employs mass spectrometry platforms such as liquid and gas chromatography mass spectrometries (MS) and Fourier transform ion cyclotron resonance MS (FT-ICR-MS). For methodology evaluation, we analyzed aerosol particles collected during two different seasons (spring and summer) in a low-biological-activity ecosystem. Additionally, to further validate our methodology, we analyzed aerosol particles collected in a more biologically active ecosystem during the pollination peaks of three different representative tree species. Our statistical results showed that our sampling and extraction methods are suitable for characterizing the atmo-ecometabolomes in these two distinct ecosystems with any of the analytical platforms. Datasets obtained from each mass spectrometry instrument showed overall significant differences of the atmo-ecometabolomes between spring and summer as well as between the three pollination peak periods. Furthermore, we have identified several metabolites that can be attributed to pollen and other plant-related aerosol particles. We additionally provide a basic guide of the potential use ecometabolomic techniques on different mass spectrometry platforms to accurately analyze the atmo-ecometabolomes for ecological studies. Our method represents an advanced novel approach for future studies in the impact of aerosol particle chemical compositions on ecosystem structure and function and biogeochemistry.
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Affiliation(s)
- Albert Rivas-Ubach
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99354, USA.
| | - Yina Liu
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
- Geochemical and Environmental Research Group, Texas A&M University, College Station, TX, 77845, USA
| | - Allison L Steiner
- Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Jordi Sardans
- CREAF, Campus UAB, 08913, Cerdanyola del Vallès, Catalonia, Spain
- Global Ecology Unit CREAF-CSIC, Campus UAB, 08913, Cerdanyola del Vallès, Catalonia, Spain
| | - Malak M Tfaily
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Gourihar Kulkarni
- Atmospheric Sciences and Global Change Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Young-Mo Kim
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Eric Bourrianne
- Faculté des Sicences et d'Ingénierie, Université de Toulouse III Paul Sabatier, 31400, Toulouse, France
| | - Ljiljana Paša-Tolić
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Josep Peñuelas
- CREAF, Campus UAB, 08913, Cerdanyola del Vallès, Catalonia, Spain
- Global Ecology Unit CREAF-CSIC, Campus UAB, 08913, Cerdanyola del Vallès, Catalonia, Spain
| | - Alex Guenther
- Department of Earth System Science, University of California, Irvine, Irvine, CA, 92697, USA
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Arora NK, Fatima T, Mishra I, Verma M, Mishra J, Mishra V. Environmental sustainability: challenges and viable solutions. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/s42398-018-00038-w] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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9
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Wen J, Li Z, Luo N, Huang M, Yang R, Zeng G. Investigating organic matter properties affecting the binding behavior of heavy metals in the rhizosphere of wetlands. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 162:184-191. [PMID: 29990730 DOI: 10.1016/j.ecoenv.2018.06.083] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 06/26/2018] [Accepted: 06/27/2018] [Indexed: 06/08/2023]
Abstract
Soil organic matter (SOM) is a crucial factor affecting the immobilization of heavy metal in wetlands. Recent studies have shown that the rhizosphere SOM has great ability to immobilize heavy metals. However, there existed few works on studying molecular characteristics of SOM to explore the mechanisms. Electrospray ionization-Fourier transform ion cyclotron resonance-mass spectrometry (ESI-FTICR-MS) combined with FTIR spectroscopy were applied to investigate the characteristics of SOM in rhizosphere and nonrhizosphere samples and to find out what characteristics the rhizosphere SOM embodies conducive to metal binding in this paper. The rhizosphere contained higher C, P, Mn, and other metal concentrations. The adsorption of Cr on rhizosphere SOM was greater than that on nonrhizosphere SOM. Compared to nonrhizosphere SOM, rhizosphere SOM contained less saturated and more oxidized compounds, greater overall molecular weights (MW), more condensed aromatic structures (56.59% VS 51.56% by peak intensity), less carboxylate and N-containing COO functional groups (25.98% VS 56.63% by peak intensity), more hydrophilicity, and the latter four are conducive to metal binding. This study showed that the rhizosphere SOM had unique compositional and structural characteristics. These results provided evidence for the phytoremediation technologies of heavy metal contaminated wetlands.
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Affiliation(s)
- Jiajun Wen
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Zhongwu Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.
| | - Ninglin Luo
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Mei Huang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Ren Yang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China
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Patel S, Homaei A, Patil S, Daverey A. Microbial biosurfactants for oil spill remediation: pitfalls and potentials. Appl Microbiol Biotechnol 2018; 103:27-37. [DOI: 10.1007/s00253-018-9434-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 10/02/2018] [Accepted: 10/02/2018] [Indexed: 12/11/2022]
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11
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Klerks PL, Kascak A, Cazan AM, Deb Adhikary N, Chistoserdov A, Shaik A, Osman S, Louka FR. Effects of the Razor Clam Tagelus plebeius on the Fate of Petroleum Hydrocarbons: A Mesocosm Experiment. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2018; 75:306-315. [PMID: 29470617 DOI: 10.1007/s00244-018-0515-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 02/12/2018] [Indexed: 06/08/2023]
Abstract
The relationship between organisms and contaminants may be a two-way interaction: contaminants affecting the biota and the biota affecting the environmental fate and distribution of the contaminants. This may be especially so for sediment-dwelling organisms, because their burrowing and feeding can drastically influence sediment characteristics. The present study looked at the influence of the suspension-feeding stout razor clam Tagelus plebeius on the distribution of crude oil and pyrene in greenhouse mesocosm experiments. Water column turbidity and sediment redox also were monitored during the 15- to 30-day exposures to provide information on the influence of hydrocarbons and the razor clams on environmental conditions. For the experiment with crude oil, sediment was taken from the mesocosms at the end of the experiment, and the hydrocarbon-degradation potential was assessed in incubations with 14C-naphthalene. The experiments used four treatments: hydrocarbons present/absent and razor clams present/absent. Hydrocarbon dosing levels were relatively low (1 mL of oil or 30 mg of pyrene per mesocosm with 22 L of natural sediment and 11 L of seawater). The presence of the razor clams resulted in hydrocarbon concentrations at the sediment surface being 25% lower than in mesocosms without clams. No consistent effects were noted for polycyclic aromatic hydrocarbon (PAH) concentrations in the water column or in subsurface sediment. The naphthalene-degradation potential was elevated for sediment from mesocosms dosed with oil, but the presence of the clams did not affect this potential. The presence of the razor clams resulted in a lowering of water column turbidity, but no effect on sediment redox. The hydrocarbon addition had no effect on turbidity, but sediment redox was lowered. While results show that the presence of the razor clams resulted in a loss of hydrocarbons from the surface sediment, the other results do not provide a clear picture of the underlying mechanisms and the fate of the PAHs lost from the sediment surface. We hypothesize that the loss of surface sediment PAHs was due to burial of surface sediment and possibly bioaccumulation by the clams. While additional research is needed for further insights into underlying mechanisms, the present work demonstrates that the presence of sediment-burrowing suspension feeders decreases hydrocarbon levels in surface sediment. This means that assessments of the impact of an oil spill should pay attention to effects on these organisms and to their influence on the fate and distribution of the spilled oil.
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Affiliation(s)
- P L Klerks
- Department of Biology, University of Louisiana at Lafayette, Box 43602, Lafayette, LA, 70504, USA.
| | - A Kascak
- Department of Biology, University of Louisiana at Lafayette, Box 43602, Lafayette, LA, 70504, USA
| | - A M Cazan
- Department of Biology, University of Louisiana at Lafayette, Box 43602, Lafayette, LA, 70504, USA
| | - N Deb Adhikary
- Department of Biology, University of Louisiana at Lafayette, Box 43602, Lafayette, LA, 70504, USA
| | - A Chistoserdov
- Department of Biology, University of Louisiana at Lafayette, Box 43602, Lafayette, LA, 70504, USA
| | - A Shaik
- Department of Chemistry, University of Louisiana at Lafayette, Box 43700, Lafayette, LA, 70504, USA
| | - S Osman
- Department of Chemistry, University of Louisiana at Lafayette, Box 43700, Lafayette, LA, 70504, USA
| | - F R Louka
- Department of Chemistry, University of Louisiana at Lafayette, Box 43700, Lafayette, LA, 70504, USA
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Lee CE, Remfert JL, Opgenorth T, Lee KM, Stanford E, Connolly JW, Kim J, Tomke S. Evolutionary responses to crude oil from the Deepwater Horizon oil spill by the copepod Eurytemora affinis. Evol Appl 2017; 10:813-828. [PMID: 29151873 PMCID: PMC5680418 DOI: 10.1111/eva.12502] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 05/24/2017] [Indexed: 02/06/2023] Open
Abstract
The BP Deepwater Horizon Oil Disaster was the most catastrophic offshore oil spill in U.S. history, yet we still have a poor understanding of how organisms could evolve in response to the toxic effects of crude oil. This study offers a rare analysis of how fitness-related traits could evolve rapidly in response to crude oil toxicity. We examined evolutionary responses of populations of the common copepod Eurytemora affinis residing in the Gulf of Mexico, by comparing crude oil tolerance of populations collected before versus after the Deepwater Horizon oil spill of 2010. In addition, we imposed laboratory selection for crude oil tolerance for ~8 generations, using an E. affinis population collected from before the oil spill. We found evolutionary increases in crude oil tolerance in the wild population following the oil spill, relative to the population collected before the oil spill. The post-oil spill population showed increased survival and rapid development time in the presence of crude oil. In contrast, evolutionary responses following laboratory selection were less clear; though, development time from metamorphosis to adult in the presence of crude oil did become more rapid after selection. We did find that the wild population, used in both experiments, harbored significant genetic variation in crude oil tolerance, upon which selection could act. Thus, our study indicated that crude oil tolerance could evolve, but perhaps not on the relatively short time scale of the laboratory selection experiment. This study contributes novel insights into evolutionary responses to crude oil, in directly examining fitness-related traits before and after an oil spill, and in observing evolutionary responses following laboratory selection.
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Affiliation(s)
- Carol Eunmi Lee
- Center of Rapid Evolution (CORE) and Department of Integrative Biology University of Wisconsin, Madison Madison WI USA
| | - Jane Louise Remfert
- Center of Rapid Evolution (CORE) and Department of Integrative Biology University of Wisconsin, Madison Madison WI USA
| | - Taylor Opgenorth
- Center of Rapid Evolution (CORE) and Department of Integrative Biology University of Wisconsin, Madison Madison WI USA
| | - Kristin M Lee
- Center of Rapid Evolution (CORE) and Department of Integrative Biology University of Wisconsin, Madison Madison WI USA
| | - Elizabeth Stanford
- Center of Rapid Evolution (CORE) and Department of Integrative Biology University of Wisconsin, Madison Madison WI USA
| | - Joseph William Connolly
- Center of Rapid Evolution (CORE) and Department of Integrative Biology University of Wisconsin, Madison Madison WI USA
| | - Jinwoo Kim
- Center of Rapid Evolution (CORE) and Department of Integrative Biology University of Wisconsin, Madison Madison WI USA
| | - Sarah Tomke
- Center of Rapid Evolution (CORE) and Department of Integrative Biology University of Wisconsin, Madison Madison WI USA
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Flores-Chaparro CE, Ruiz LFC, Alfaro-De la Torre MC, Rangel-Mendez JR. Soluble hydrocarbons uptake by porous carbonaceous adsorbents at different water ionic strength and temperature: something to consider in oil spills. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:11014-11024. [PMID: 26903130 DOI: 10.1007/s11356-016-6286-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 02/14/2016] [Indexed: 06/05/2023]
Abstract
Nowadays, petrochemical operations involve risks to the environment and one of the biggest is oil spills. Low molecular aromatics like benzene, toluene, and naphthalene dissolve in water, and because of their toxicological characteristics, these produce severe consequences to the environment. The oil spill cleanup strategies are mainly designed to deal with the heavy fractions accumulated on the water surface. Unfortunately, very limited information is available regarding the treatment of dissolved fractions.A commercial (Filtrasorb 400) and modified activated carbons were evaluated to remove benzene, toluene, and naphthalene from water, which are the most soluble aromatic hydrocarbons, at different ionic strengths (I) and temperatures (0-0.76 M and 4-25 °C, respectively). This allowed simulating the conditions of fresh and saline waters when assessing the performance of these adsorbents. It was found that the hydrocarbons adsorption affinity increased 12 % at a I of 0.5 M, due to the less negative charge of the adsorbent, while at a high I (≃0.76 M) in a synthetic seawater, the adsorption capacity decreased 21 % that was attributed to the adsorbent's pores occlusion by water clusters. Approximately, 40 h were needed to reach equilibrium; however, the maximum adsorption rate occurred within the first hour in all the cases. Moreover, the hydrocarbons adsorption and desorption capacities increased when the temperature augmented from 4 to 25 °C. On the other hand, thermally and chemically modified materials showed that the interactions between adsorbent-contaminant increased with the basification degree of the adsorbent surface.
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Affiliation(s)
- Carlos E Flores-Chaparro
- División de Ciencias Ambientales, Instituto Potosino de Investigación Científica y Tecnológica A.C., Camino a la Presa San José 2055, Col. Lomas 4a sección, C.P. 78216, San Luis Potosí, SLP, Mexico
| | - Luis Felipe Chazaro Ruiz
- División de Ciencias Ambientales, Instituto Potosino de Investigación Científica y Tecnológica A.C., Camino a la Presa San José 2055, Col. Lomas 4a sección, C.P. 78216, San Luis Potosí, SLP, Mexico
| | | | - Jose Rene Rangel-Mendez
- División de Ciencias Ambientales, Instituto Potosino de Investigación Científica y Tecnológica A.C., Camino a la Presa San José 2055, Col. Lomas 4a sección, C.P. 78216, San Luis Potosí, SLP, Mexico.
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14
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Kaplan DI, Xu C, Huang S, Lin Y, Tolić N, Roscioli-Johnson KM, Santschi PH, Jaffé PR. Unique Organic Matter and Microbial Properties in the Rhizosphere of a Wetland Soil. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:4169-4177. [PMID: 27091553 DOI: 10.1021/acs.est.5b05165] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Wetlands attenuate the migration of many contaminants through a wide range of biogeochemical reactions. Recent research has shown that the rhizosphere, the zone near plant roots, in wetlands is especially effective at promoting contaminant attenuation. The objective of this study was to compare the soil organic matter (OM) composition and microbial communities of a rhizosphere soil (primarily an oxidized environment) to that of the bulk wetland soil (primarily a reduced environment). The rhizosphere had elevated C, N, Mn, and Fe concentrations and total bacteria, including Anaeromyxobacter, counts (as identified by qPCR). Furthermore, the rhizosphere contained several organic molecules that were not identified in the nonrhizosphere soil (54% of the >2200 ESI-FTICR-MS identified compounds). The rhizosphere OM molecules generally had (1) greater overall molecular weights, (2) less aromaticity, (3) more carboxylate and N-containing COO functional groups, and (4) a greater hydrophilic character. These latter two OM properties typically promote metal binding. This study showed for the first time that not only the amount but also the molecular characteristics of OM in the rhizosphere may in part be responsible for the enhanced immobilization of contaminants in wetlands. These finding have implications on the stewardship and long-term management of contaminated wetlands.
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Affiliation(s)
- Daniel I Kaplan
- Savannah River National Laboratory , Aiken, South Carolina 29808, United States
| | - Chen Xu
- Texas A&M University , Galveston, Texas 77553, United States
| | - Shan Huang
- Princeton University , Princeton, New Jersey 08540, United States
| | - Youmin Lin
- Texas A&M University , Galveston, Texas 77553, United States
| | - Nikola Tolić
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory , Richland, Washington 99352, United States
| | | | | | - Peter R Jaffé
- Princeton University , Princeton, New Jersey 08540, United States
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