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Lari E, Jeong TY, Labine LM, Simpson MJ. Metabolomic analysis predicted changes in growth rate in Daphnia magna exposed to acetaminophen. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 249:106233. [PMID: 35779485 DOI: 10.1016/j.aquatox.2022.106233] [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: 04/08/2022] [Revised: 06/08/2022] [Accepted: 06/24/2022] [Indexed: 06/15/2023]
Abstract
As urbanization and the global population increases, pollutants associated with municipal wastewater such as pharmaceuticals are becoming more prevalent in aquatic environments. Acetaminophen (paracetamol) is a widely used drug worldwide and one of the most frequently detected pharmaceuticals in freshwater ecosystems. This study investigated the impact of acetaminophen on the metabolite profile of Daphnia magna at two life stages; and used these metabolomic findings to hypothesize a potential impact at a higher organismal level which was subsequently tested experimentally. Targeted polar metabolite analysis by liquid chromatography-tandem mass spectrometry (LC-MS/MS) was used to measure changes in the concentration of 51 metabolites in the neonate (> 24 h old) and adult (8 day-old) daphnids following a 48-h exposure to sub-lethal concentrations of acetaminophen. The impact of acetaminophen on the metabolic profile of neonates was widely different from adults. Also, acetaminophen exposure perturbed the abundance of nucleotides more extensively than other metabolites. The acute metabolomic experimental results led to the hypotheses that exposure to sub-lethal concentrations of acetaminophen upregulates protein synthesis in D. magna and subsequently increases growth during early life stages and has an opposite impact on adults. Accordingly, a 10 day growth rate experiment indicated that exposure to acetaminophen elevated biomass production in neonates but not in adults. These novel findings demonstrate that a targeted analysis and interpretation of the changes in the polar metabolic profile of organisms in response to environmental stressors could be used as a tool to predict changes at higher biological levels. As such, this study further emphasizes the incorporation of molecular-level platforms as critical and robust tools in environmental assessment frameworks and biomonitoring of aquatic ecosystems.
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Affiliation(s)
- Ebrahim Lari
- Department of Cell & Systems Biology, University of Toronto, Toronto, Ontario, Canada; Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Tae-Yong Jeong
- Department of Physical and Environmental Sciences and Environmental NMR Centre, University of Toronto Scarborough, Ontario, Canada; Department of Environmental Science, College of Natural Sciences, Hankuk University of Foreign Studies, 81, Oedae-ro, Mohyeon-eup, Cheoin-gu, Yongin-si, Gyeonggi-do 17035, Republic of Korea
| | - Lisa M Labine
- Department of Physical and Environmental Sciences and Environmental NMR Centre, University of Toronto Scarborough, Ontario, Canada
| | - Myrna J Simpson
- Department of Physical and Environmental Sciences and Environmental NMR Centre, University of Toronto Scarborough, Ontario, Canada.
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White KB, Liber K. Chronic Toxicity of Surface Water from a Canadian Oil Sands End Pit Lake to the Freshwater Invertebrates Chironomus dilutus and Ceriodaphnia dubia. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 78:439-450. [PMID: 32077988 DOI: 10.1007/s00244-020-00720-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 02/07/2020] [Indexed: 06/10/2023]
Abstract
Permanent reclamation of tailings generated by surface mining in the Canadian oil sands may be achieved through the creation of end pit lakes (EPLs) in which tailings are stored in mined-out pits and capped with water. However, these tailings contain high concentrations of dissolved organics, metals, and salts, and thus surface water quality of EPLs is a significant concern. This is the first study to investigate the chronic toxicity of surface water from Base Mine Lake (BML), the Canadian oil sands first large-scale EPL, to aquatic invertebrates that play a vital role in the early development of aquatic ecosystems (Chironomus dilutus and Ceriodaphnia dubia). After exposure of C. dilutus larvae for 23 days and C. dubia neonates for 8 days, no mortality was observed in any treatment with whole BML surface water. However, the emergence of C. dilutus adults was delayed by nearly 1 week, and their survival was significantly reduced (36%) compared with the controls. Reproduction (fecundity) of C. dubia was reduced by 20% after exposure to 2014 BML surface water; however, the effect was not observed after exposure to BML surface water collected a year later in 2015. Despite some adverse effects, the results of this study indicate that BML surface water quality is improving over time and is able to support certain salt-tolerant aquatic organisms. Because salinity within BML will persist for decades without manual intervention, the ecological development of the lake will likely resemble that of a brackish or estuarine ecosystem with reduced diversity.
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Affiliation(s)
- Kevin B White
- Toxicology Centre, University of Saskatchewan, 44 Campus Dr., Saskatoon, SK, S7N 5B3, Canada
| | - Karsten Liber
- Toxicology Centre, University of Saskatchewan, 44 Campus Dr., Saskatoon, SK, S7N 5B3, Canada.
- School of Environment and Sustainability, University of Saskatchewan, 117 Science Place, Saskatoon, SK, S7N 5C8, Canada.
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Eltemsah YS, Bøhn T. Acute and chronic effects of polystyrene microplastics on juvenile and adult Daphnia magna. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 254:112919. [PMID: 31394341 DOI: 10.1016/j.envpol.2019.07.087] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 07/02/2019] [Accepted: 07/16/2019] [Indexed: 06/10/2023]
Abstract
We investigate the distribution and effects of polystyrene microplastic (MP) particles in exposure experiments with the ecotoxicology model organism Daphnia magna. The aim was to investigate the short and long-term toxicity of MP at different concentrations. To achieve this goal, the effects of 6 μm commercially available polystyrene beads on two different life-stages of D. magna: < 24 h old juveniles and 9 days old adults was assessed. The following end points in test animals were measured: (1) survival, (2) growth, (3) individual and population fecundity, (4) age at maturation and (5) body size of newborn offspring. These response variables were followed in two acute and two chronic experiments. The acute experiments showed that MP is not acutely toxic to D. magna within 48 h, but cause added mortality within 120 h. The juveniles were about 50% more sensitive than the adults tested. In life-cycle experiments testing chronic exposure to MP, again, animals exposed as juveniles at relatively high concentrations, i.e. > 30 μg ml-1 showed higher sensitivity. We observed slightly increased mortality, reduced growth and stimulation of early reproduction at the cost of later reproduction. Animals exposed after reaching adulthood did not show increased mortality and showed a stimulation response with higher reproductive rates than the control group. However, both the growth rate of mother animals and the body size of newborn declined with increasing dose of MP. We conclude that these effects indicate a role of MP in mechanical interaction/interference with the animal on the level of feeding (clogging filtering functions), digestion (gut filled with plastic particles), and/or other animal behavior. The study also illustrates how MP with slow break-down rates may accumulate in the environment and enter the food-chain as obstructing non-food particles in filter-feeding organisms.
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Affiliation(s)
| | - Thomas Bøhn
- Institute of Marine Research, PB 6404, N-9294 Tromsø, Norway
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4
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Liu Y, Yan Z, Zhang L, Deng Z, Yuan J, Zhang S, Chen J, Guo R. Food up-take and reproduction performance of Daphnia magna under the exposure of Bisphenols. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 170:47-54. [PMID: 30522006 DOI: 10.1016/j.ecoenv.2018.11.106] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 11/20/2018] [Accepted: 11/22/2018] [Indexed: 05/04/2023]
Abstract
Because the application of Bisphenol A (BPA) was restricted, many substitutes, such as Bisphenol F (BPF) and Bisphenol S (BPS), were developed as BPA substitutes. Therefore, environmental impacts of BPA and its substitutes on aquatic organisms should be concerned, especially their combined toxicity. In this study, the impacts of BPA, BPF, BPS and their mixture on the feeding behavior, reproduction and physiological function of daphnids were synthetically evaluated, involving the duration and mode of exposure. In short-term exposure tests, feeding rates of D. magna decreased after exposure to BPA, BPF, BPS and their mixture, while the inhibition reversed into stimulation in the recovery period. It may benefit from overcompensation of D. magna. In long-term exposure tests, the inhibition effect on the reproduction and growth of the exposed D. magna was difficult to recover, and only some experimental groups have a certain recovery. In conclusion, environmental risk of BPA, BPF, BPS and their mixture on the behavior of D. magna increased with prolonged exposure time. Moreover, relative activities of trypsin, amylase (AMS), acetylcholinesterase (AChE), carbonic anhydrase (CA), glutathione peroxidase (GPx) and super oxidase dimutase (SOD) of the exposed daphnids decreased in most treatment groups, indicating the disorder of digestive, nervous and antioxidative system of D. magna. Interestingly, inhibition of enzymes activities decreased with the increase of the exposure time, which implied the tolerance may be occurred.
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Affiliation(s)
- Yanhua Liu
- Key laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education) & School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Zhengyu Yan
- Key laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education) & School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Ling Zhang
- Key laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education) & School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Zhujiangcai Deng
- Key laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education) & School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Jiafu Yuan
- Key laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education) & School of Engineering, China Pharmaceutical University, Nanjing 211198, China
| | - Shenghu Zhang
- Nanjing Institute of Environmental Sciences, Ministry of Environmental Protection, Nanjing 210042, China
| | - Jianqiu Chen
- Key laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education) & School of Engineering, China Pharmaceutical University, Nanjing 211198, China.
| | - Ruixin Guo
- Key laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education) & School of Engineering, China Pharmaceutical University, Nanjing 211198, China.
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Pablos MV, Rodríguez JA, García-Hortigüela P, Fernández A, Beltrán EM, Torrijos M, Fernández C. Sublethal and chronic effects of reclaimed water on aquatic organisms. Looking for relationships between physico-chemical characterisation and toxic effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 640-641:1537-1547. [PMID: 30021319 DOI: 10.1016/j.scitotenv.2018.05.349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 04/16/2018] [Accepted: 05/28/2018] [Indexed: 06/08/2023]
Abstract
The use of reclaimed water for irrigation and aquaculture purposes is generally considered a reliable alternative for sustainable water management in regions with water scarcity. Many organic compounds, generally called compounds of emerging concern (CECs), have been detected in reclaimed water, which implies continuous exposure for aquatic organisms. To date no quality criteria have been proposed for this group of compounds. This work aims to assess the acute, sublethal and chronic effects of reclaimed water using two representative organisms of the aquatic compartment; the green alga Chlorella vulgaris and the microcrustacean Daphnia magna. The study comprises the 72 h-algal growth inhibition test, the D. magna feeding bioassay and the D. magna reproduction test. The results highlighted, for the selected characterised compounds, no differences in the concentrations between the different tertiary WWTP treatments, except for the particular case of carbamazepine. Considering seasonality, no differences were observed between the two different sample collection campaigns. The sublethal and chronic effects observed for these samples could not be explained by the lower concentrations found in the chemical characterisation. However, in the majority of cases, dilution of raw reclaimed water reduced the toxic effects of these samples. Several interactions among compounds can affect the mixture's toxicity. Canonical correlation analyses (CCA) were included to explore the potential relationships between the physico-chemical characterisation of reclaimed water and effects on aquatic organisms. The results corroborated the toxic effect of some pharmaceuticals, in particular beta-blockers and antibiotics, on the growth and yield of green algae, as well as inhibition of daphnia reproduction. Thus the CCA methods could help to elucidate the potential relationships between the physico-chemical characterisation and toxic effects by considering all the potential interactions.
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Affiliation(s)
- M V Pablos
- Laboratory for Ecotoxicology, Department of Environment, INIA, Crta. La Coruña km 7, 28040 Madrid, Spain.
| | - J A Rodríguez
- Laboratory for Ecotoxicology, Department of Environment, INIA, Crta. La Coruña km 7, 28040 Madrid, Spain
| | - P García-Hortigüela
- Laboratory for Ecotoxicology, Department of Environment, INIA, Crta. La Coruña km 7, 28040 Madrid, Spain
| | - A Fernández
- Laboratory for Ecotoxicology, Department of Environment, INIA, Crta. La Coruña km 7, 28040 Madrid, Spain
| | - E M Beltrán
- Laboratory for Ecotoxicology, Department of Environment, INIA, Crta. La Coruña km 7, 28040 Madrid, Spain
| | - M Torrijos
- Laboratory for Ecotoxicology, Department of Environment, INIA, Crta. La Coruña km 7, 28040 Madrid, Spain
| | - C Fernández
- Laboratory for Ecotoxicology, Department of Environment, INIA, Crta. La Coruña km 7, 28040 Madrid, Spain
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Lari E, Steinkey D, Pyle GG. Effects of Seasonal Changes on the Toxic Impacts of Oil Sands Process-Affected Water on Daphnia magna. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2018; 74:408-413. [PMID: 29058060 DOI: 10.1007/s00244-017-0460-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 09/26/2017] [Indexed: 06/07/2023]
Abstract
Oil sands process-affected water (OSPW), which can be potentially toxic to aquatic biota, is a major by-product of bitumen mining in northern Alberta. The effects of environmental factors on the toxicity of OSPW are understudied. In the present study, the impacts of seasonal changes in water quality on the toxic effects of OSPW (1 and 10%) on Daphnia magna was examined. Animals were chronically exposed to OSPW under conditions that represented water quality of a cold or warm seasonal condition. At each seasonal scenario survival, growth (length and mass) and reproduction of exposed D. magna were investigated. Survival and length of D. magna were only affected by OSPW in the cold-season treatment. Exposure to OSPW reduced the mass of D. magna in both cold and warm season scenarios. Daphnia magna in the cold-season treatment did not reproduce or produce eggs during the course of the experiment. The results of the present study suggest that seasonal changes in water quality may alter the toxicity of OSPW on D. magna.
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Affiliation(s)
- Ebrahim Lari
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB, T1K 3M4, Canada.
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON, M5S 3G5, Canada.
| | - Dylan Steinkey
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB, T1K 3M4, Canada
| | - Greg G Pyle
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB, T1K 3M4, Canada
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Lari E, Mohaddes E, Pyle GG. Effects of oil sands process-affected water on the respiratory and circulatory system of Daphnia magna Straus, 1820. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 605-606:824-829. [PMID: 28683426 DOI: 10.1016/j.scitotenv.2017.06.207] [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: 05/12/2017] [Revised: 06/24/2017] [Accepted: 06/24/2017] [Indexed: 06/07/2023]
Abstract
Millions of cubic meters of oil sands process-affected water (OSPW), the major by-product of oil sand surface mining, is currently stored in tailings ponds. The present study investigated the effects of OSPW on the respiratory and circulatory system of Daphnia magna Straus 1820. The effect of OSPW on the activity (i.e. total movement and active time) of D. magna was also studied, as it has been shown to interact with the respiratory and circulatory system. Daphniids were exposed to both 1 and 10% OSPW for acute (1-day) and chronic (10-day) exposure periods. At the end of the exposures, daphniid oxygen (O2) consumption, heart rate, hemoglobin (Hb) content and activity were investigated. In response to chronic exposure to 10% OSPW, O2 consumption of D. magna increased, while the hemoglobin content and activity were reduced in both 1 and 10% OSPW. None of the OSPW treatments changed the heart rate of the test organisms. The results of the present study suggest that in response to increasing metabolic rate caused by OSPW exposure, D. magna conserve their energy by reducing their activity and probably by recycling macromolecules (i.e. hemoglobin).
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Affiliation(s)
- Ebrahim Lari
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada.
| | - Effat Mohaddes
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada
| | - Greg G Pyle
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada
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