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Wang L, Wang F, Ma Y. Combined effects of ocean acidification and copper exposure on the polyps of moon jellyfish Aurelia coerulea. ECOTOXICOLOGY (LONDON, ENGLAND) 2025:10.1007/s10646-025-02869-w. [PMID: 40095370 DOI: 10.1007/s10646-025-02869-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/06/2025] [Indexed: 03/19/2025]
Abstract
Ocean acidification (OA) can interact with Copper (Cu) pollutants and threaten marine organisms and ecosystems. In this study, we assessed the effects of OA and Cu2+, alone and in combination, on the polyps of Aurelia coerulea, a common jellyfish renowned for its complex life cycle and frequent global blooms. The results revealed that ocean acidification and Cu2+ exposure significantly inhibited the activities of catalase, Ca2+-ATPase, acid phosphatase, and alkaline phosphatase in polyps, resulting in antioxidative stress effects and a significant increase in respiratory metabolism. In addition, the combination of ocean acidification and Cu2+ exposure caused severe tissue damage to polyps, thereby impeding their predation behavior and reducing their asexual reproduction rates. These two environmental stressors showed synergistic effects on the Ca2+-ATPase activity, predation rate, reproduction rate, and injury index of polyps. Therefore, reduced seawater pH and copper contamination adversely affect the physiology, growth, and development of A. coerulea polyps, which may affect the survival and population dynamics of wild populations.
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Affiliation(s)
- Lei Wang
- Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong, China
| | - Fanghan Wang
- Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong, China.
| | - Yuanqing Ma
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute, Yantai, Shandong, China.
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2
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Chouikh NE, Alahyane H, Mounir A, El Hachimi Y, Cheggour M. Trace metal bioaccumulation in Mytilus galloprovincialis from Essaouira protected coastal area (Atlantic coast of Morocco): Implications for marine ecosystem and human health. MARINE POLLUTION BULLETIN 2024; 209:117126. [PMID: 39426174 DOI: 10.1016/j.marpolbul.2024.117126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2024] [Revised: 10/08/2024] [Accepted: 10/08/2024] [Indexed: 10/21/2024]
Abstract
This study assessed trace metal pollution in the Essaouira protected coastal area (Atlantic coast of Morocco) using the mussel Mytilus galloprovincialis as a bio-indicator and evaluated potential human health risks from mussel consumption. Samples were collected seasonally at 8:00 am from April 2017 to February 2018, and metal concentrations in mussel tissues were analyzed using ICP-AES. The metals were found in descending order: Fe > Zn > Al > Cu > Pb > Cr > Cd > Ag, with significant spatial and seasonal variations. Cluster analysis indicated different sources for the metals, with Fe, Zn, and Al linked to continental inputs and Cd, Cr, Pb, Cu, and Ag to anthropogenic sources. The pollution gradient, assessed using the Individual Multimetal Bioaccumulation Index (IMBI), showed that the area is less polluted than other Moroccan coasts. The Human health risk assessment revealed no significant risks, confirming the safety of mussel consumption from this region.
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Affiliation(s)
- Nor-Eddine Chouikh
- Department of Environmental Engineering, Higher School of Technology, Sultan Moulay Slimane University, Khénifra 54000, Morocco.
| | - Hassan Alahyane
- High Institute of Nursing Professions and Health Techniques, Béni Mellal 23000, Morocco.
| | - Abdelaziz Mounir
- High Institute of Nursing Professions and Health Techniques, Guelmim 81000, Morocco
| | - Youssef El Hachimi
- Laboratory of Bioresources and Food Safety, Department of Biology, Faculty of Sciences and Technics, Cadi Ayyad University, Marrakech 40000, Morocco
| | - Mohamed Cheggour
- Department of Biology, Normal Graduate School, Cadi Ayyad University, Marrakech 40000, Morocco
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3
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Cui L, Li X, Luo Y, Gao X, Wang Y, Lv X, Zhang H, Lei K. A comprehensive review of the effects of salinity, dissolved organic carbon, pH, and temperature on copper biotoxicity: Implications for setting the copper marine water quality criteria. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169587. [PMID: 38154639 DOI: 10.1016/j.scitotenv.2023.169587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/15/2023] [Accepted: 12/20/2023] [Indexed: 12/30/2023]
Abstract
In recent years, there has been a growing concern about the ecological hazards associated with copper, which has sparked increased interest in copper water quality criteria (WQC). The crucial factors affecting the bioavailability of copper in seawater are now acknowledged to be salinity, dissolved organic carbon (DOC), pH, and temperature. Research on the influence of these four water quality parameters on copper toxicity is rapidly expanding. However, a comprehensive and clear understanding of the relevant mechanisms is currently lacking, hindering the development of a consistent international method to establish the seawater WQC value for copper. As a response to this knowledge gap, this study presents a comprehensive summary with two key focuses: (1) It meticulously analyzes the effects of salinity, DOC, pH, and temperature on copper toxicity to marine organisms. It takes into account the adaptability of different species to salinity, pH and temperature. (2) Additionally, the study delves into the impact of these four water parameters on the acute toxicity values of copper on marine organisms while also reviewing the methods used in establishing the marine WQC value of copper. The study proposed a two-step process: initially zoning based on the difference of salinity and DOC, followed by the establishment of Cu WQC values for different zones during various seasons, considering the impacts of water quality parameters on copper toxicity. By providing fundamental scientific insights, this research not only enhances our understanding and predictive capabilities concerning water quality parameter-dependent Cu toxicity in marine organisms but also contributes to the development of copper seawater WQC values. Ultimately, this valuable information facilitates more informed decision-making in marine water quality management efforts.
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Affiliation(s)
- Liang Cui
- College of Water Sciences, Beijing Normal University, Beijing 100875, China; State Environmental Protection Key Laboratory of Estuarine and Coastal Environment, State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing 100012, China
| | - Xiaoguang Li
- State Environmental Protection Key Laboratory of Estuarine and Coastal Environment, State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing 100012, China
| | - Yan Luo
- Ningbo Research Institute of Ecological and Environmental Sciences, Ningbo 315012, China
| | - Xiangyun Gao
- State Environmental Protection Key Laboratory of Estuarine and Coastal Environment, State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing 100012, China
| | - Yan Wang
- State Environmental Protection Key Laboratory of Estuarine and Coastal Environment, State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing 100012, China
| | - Xubo Lv
- State Environmental Protection Key Laboratory of Estuarine and Coastal Environment, State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing 100012, China
| | - Hua Zhang
- State Environmental Protection Key Laboratory of Estuarine and Coastal Environment, State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing 100012, China
| | - Kun Lei
- College of Water Sciences, Beijing Normal University, Beijing 100875, China; State Environmental Protection Key Laboratory of Estuarine and Coastal Environment, State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing 100012, China.
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4
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Sartori D, Scatena G, Vrinceanu CA, Gaion A. Increased sensitivity of sea urchin larvae to metal toxicity as a consequence of the past two decades of Climate Change and Ocean Acidification in the Mediterranean Sea. MARINE POLLUTION BULLETIN 2023; 194:115274. [PMID: 37429181 DOI: 10.1016/j.marpolbul.2023.115274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 06/23/2023] [Accepted: 07/05/2023] [Indexed: 07/12/2023]
Abstract
The Mediterranean Sea represents a natural laboratory to infer the possible impacts of climate change and ocean acidification. In this article, we report the deteriorating ability of sea urchin larvae (Paracentrotus lividus) to cope with toxicity of a reference contaminant (Cu EC50) over the past 20 years and assessed the influence of 5 environmental factors from satellite measurements. This timeframe was divided in before and after January 2016 (46.57 μg/L vs 28.56 μg/L respectively, p < 0.001). In the second subset of data, correlation of the biological variable with CO2 and pH strengthened compared to the first part (rCO2-EC50: -0.21 vs -0.83 and rpH-EC50: 0.25 vs 0.87 respectively), with a causal link starting from one year and ending 4 months prior to EC50 measurements. Considering the continuous increase in CO2 concentrations recorded recently, this study could reveal a rapid deterioration of the health condition of this population of sea urchins in a coastal ecosystem.
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Affiliation(s)
- Davide Sartori
- Italian Institute for Environmental Protection and Research - ISPRA, via del Cedro 38, 57122 Livorno. Italy
| | - Guido Scatena
- Italian Institute for Environmental Protection and Research - ISPRA, via del Cedro 38, 57122 Livorno. Italy
| | | | - Andrea Gaion
- Italian Institute for Environmental Protection and Research - ISPRA, via del Cedro 38, 57122 Livorno. Italy; University Centre South Devon, Long Rd, TQ4 7EJ Paignton, United Kingdom.
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5
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Yu X, Liu J, Qiu T, Cao L, Dou S. Ocean acidification induces tissue-specific interactions with copper toxicity on antioxidant defences in viscera and gills of Asiatic hard clam Meretrix petechialis (Lamarck, 1818). THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 875:162634. [PMID: 36894092 DOI: 10.1016/j.scitotenv.2023.162634] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/15/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Toxicity of contaminants in organisms under ocean acidification (OA) has attracted increasing attention in ecotoxicological studies. This study investigated how pCO2-driven OA affected waterborne copper (Cu) toxicity in antioxidant defences in viscera and gills of Asiatic hard clam Meretrix petechialis (Lamarck, 1818). Clams were continuously exposed to Cu at ambient relevant (0/no metal exposure, 10 and 50 μg L-1) and polluted-high (100 μg L-1) concentrations in unacidified (pH 8.10) and acidified (pH 7.70/moderate OA and 7.30/extreme OA) seawater for 21 days. Following coexposure, metal bioaccumulation and responses of antioxidant defence-related biomarkers to OA and Cu coexposure were investigated. Results showed that metal bioaccumulation was positively correlated with waterborne metal concentrations but was not notably influenced by OA conditions. Both Cu and OA affected the antioxidant responses to environmental stress. Additionally, OA induced tissue-specific interactions with Cu on antioxidant defences, varying with exposure conditions. In unacidified seawater, antioxidant biomarkers were activated to defend against oxidative stress induced by Cu and prevented clams from lipid peroxidation (LPO or MDA), but failed to defend against DNA damage (8-OHdG). OA exacerbated Cu toxicity in antioxidant defences and increased LPO levels in tissues. Gills and viscera adopted adaptive antioxidant defence strategies to manage oxidative stress, with the former being more vulnerable to oxidative stress than the latter. MDA and 8-OHdG were sensitive to OA and Cu exposure, respectively, and were useful bioindicators for assessing oxidative stress. Integrated biomarker response (IBR) and PCA can reflect the integrative responses of antioxidant biomarkers to environmental stress and illuminate the contributions of specific biomarkers to antioxidant defence strategies. The findings provided insights for understanding antioxidant defences against metal toxicity in marine bivalves under OA scenarios, which is essential into managing wild populations.
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Affiliation(s)
- Xiang Yu
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100039, China
| | - Jinhu Liu
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Tianlong Qiu
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Liang Cao
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Shuozeng Dou
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100039, China.
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6
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Lowes HM, Weinrauch AM, Bouyoucos IA, Griffin RA, Kononovs D, Alessi DS, Blewett TA. Copper exposure does not alter the ability of intertidal sea cucumber Cucumaria miniata to tolerate emersion during low tide. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 872:162085. [PMID: 36775175 DOI: 10.1016/j.scitotenv.2023.162085] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/20/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
Intertidal animals experience cycles of tidal emersion from water and are vulnerable to copper (Cu) exposure due to anthropogenic toxicant input into marine waters. Both emersion and Cu toxicity can cause damage to physiological processes like aerobic metabolism, ammonia excretion, and osmoregulation, but the interactions of the combination of these two stressors on marine invertebrates are understudied. Mixed effects of 96 h of low and high Cu exposure (20 and 200 μg/L) followed by 6 h of tidal emersion were evaluated on the intertidal sea cucumber Cucumaria miniata. The respiratory tree accumulated the highest concentrations of Cu, followed by the introvert retractor muscle, body wall, and coelomic fluid. Emersion affected accumulation of Cu, perhaps by inhibiting excretion. 200 μg/L of Cu increased lactate production in the respiratory tree, indicative of damaged aerobic metabolism. Cu diminished ammonia excretion, but emersion increased oxygen uptake and ammonia excretion upon re-immersion. The combination of the two stressors did not have any interactive effects on metabolism or ammonia excretion. Neither Cu exposure nor emersion altered ion (sodium, potassium, calcium, magnesium) content of the coelomic fluid. Overall, results of this study suggest that Cu exposure does not alter C. miniata's high tolerance to emersion, and some potential strategies that this species uses to overcome environmental stress are illuminated.
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Affiliation(s)
- Hannah M Lowes
- Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada; Bamfield Marine Sciences Centre, Bamfield, BC V0R 1B0, Canada
| | - Alyssa M Weinrauch
- Bamfield Marine Sciences Centre, Bamfield, BC V0R 1B0, Canada; Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Ian A Bouyoucos
- Bamfield Marine Sciences Centre, Bamfield, BC V0R 1B0, Canada; Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Robert A Griffin
- Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada; Bamfield Marine Sciences Centre, Bamfield, BC V0R 1B0, Canada
| | - Daniels Kononovs
- Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Daniel S Alessi
- Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Tamzin A Blewett
- Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada; Bamfield Marine Sciences Centre, Bamfield, BC V0R 1B0, Canada.
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7
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Jeong H, Byeon E, Kim DH, Maszczyk P, Lee JS. Heavy metals and metalloid in aquatic invertebrates: A review of single/mixed forms, combination with other pollutants, and environmental factors. MARINE POLLUTION BULLETIN 2023; 191:114959. [PMID: 37146547 DOI: 10.1016/j.marpolbul.2023.114959] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 04/11/2023] [Accepted: 04/14/2023] [Indexed: 05/07/2023]
Abstract
Heavy metals (HMs) and metalloid occur naturally and are found throughout the Earth's crust but they are discharged into aquatic environments at high concentrations by human activities, increasing heavy metal pollution. HMs can bioaccumulate in higher organisms through the food web and consequently affect humans. In an aquatic environment, various HMs mixtures can be present. Furthermore, HMs adsorb on other environmental pollutants, such as microplastics and persistent organic pollutants, causing a synergistic or antagonistic effect on aquatic organisms. Therefore, to understand the biological and physiological effects of HMs on aquatic organisms, it is important to evaluate the effects of exposure to combinations of complex HM mixtures and/or pollutants and other environmental factors. Aquatic invertebrates occupy an important niche in the aquatic food chain as the main energy link between higher and lower organisms. The distribution of heavy metals and the resulting toxic effects in aquatic invertebrates have been extensively studied, but few reports have dealt with the relationship between HMs, pollutants, and environmental factors in biological systems with regard to biological availability and toxicity. This review describes the overall properties of individual HM and their effects on aquatic invertebrates and comprehensively reviews physiological and biochemical endpoints in aquatic invertebrates depending on interactions among HMs, other pollutants, and environmental factors.
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Affiliation(s)
- Haksoo Jeong
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Eunjin Byeon
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Duck-Hyun Kim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Piotr Maszczyk
- Department of Hydrobiology, Faculty of Biology, University of Warsaw, Warsaw, Poland
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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8
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Lowes HM, Eliason EJ, Snihur KN, Alessi DS, Blewett TA. Copper toxicity does not affect low tide emersion tolerance of Mytilus galloprovincialis. MARINE POLLUTION BULLETIN 2023; 189:114750. [PMID: 36857994 DOI: 10.1016/j.marpolbul.2023.114750] [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: 01/25/2023] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
Intertidal mussels are well adapted to withstand emersion from water during low tide, but they may be intermittently exposed to waterborne toxicants such as copper, which targets physiological processes including metabolism, ammonia excretion, and osmoregulation. To determine if copper exposure damages intertidal organisms' ability to tolerate tidal emersion, Mediterranean mussels (Mytilus galloprovincialis) were exposed to copper for 96 h followed by 6 h of emersion. Oxygen uptake increased after copper exposure which suggests that copper accumulation caused moderate stress in the mussels, but ammonia excretion and anaerobic metabolism were unaffected by mixed copper and emersion exposures. Shell composition analyses indicate that cycles of copper exposure and tidal emersion may affect bivalve shell growth, but copper deposition into shells may decrease the metal's overall toxicity. Results suggest that copper does not damage M. galloprovincialis's tolerance to tidal emersion, and insight is provided into the mussel's ability to overcome mixed stressor exposures.
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Affiliation(s)
- Hannah M Lowes
- Department of Biological Sciences, University of Alberta, Edmonton T6G 2R3, AB, Canada
| | - Erika J Eliason
- Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, Santa Barbara 93106, CA, USA
| | - Katherine N Snihur
- Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton T6G 2R3, AB, Canada
| | - Daniel S Alessi
- Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton T6G 2R3, AB, Canada
| | - Tamzin A Blewett
- Department of Biological Sciences, University of Alberta, Edmonton T6G 2R3, AB, Canada.
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Xiao Z, Cao L, Liu J, Cui W, Dou S. pCO 2-driven seawater acidification affects aqueous-phase copper toxicity in juvenile flounder Paralichthys olivaceus: Metal accumulation, antioxidant defenses and detoxification in livers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:160040. [PMID: 36347280 DOI: 10.1016/j.scitotenv.2022.160040] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/18/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
Ocean acidification potentially influences the biotoxicity of metals and the antioxidant defense systems of marine organisms. This study investigated how pCO2-driven seawater acidification (SA) affected aqueous-phase copper (Cu) toxicity in the juvenile flounder Paralichthys olivaceus from the perspective of hepatic oxidative stress and damage to better understand the mechanisms underlying the biological effects produced by the two stressors. Fish were exposed to aqueous-phase Cu at relevant ambient and polluted concentrations (0, 5, 10, 50, 100 and 200 μg L-1) at different pH levels (no SA: pH 8.10; moderate SA: pH 7.70, pCO2 ∼1353.89 μatm; extreme SA: pH 7.30, pCO2 ∼3471.27 μatm) for 28 days. A battery of biomarkers in the livers was examined to investigate their roles in antioxidant defense and detoxification in response to coexposure. Hepatic Cu accumulation (30.22-184.90 mg kg-1) was positively correlated with Cu concentrations. The biomarkers responded adaptively to different redox states following SA and Cu exposure. In unacidified seawater, increases in Cu concentrations significantly induced hepatic lipid peroxidation (LPO, by up to 27.03 %), although compensatory responses in antioxidant defenses and detoxification were activated. Moderate SA helped maintain hepatic redox homeostasis and alleviated LPO through different defense strategies, depending on Cu concentrations. Under extreme SA, antioxidant-based defenses were activated to cope with oxidative stress at ambient-low Cu concentrations but failed to defend against Cu toxicity at polluted Cu levels, and LPO (by up to 63.90 %) was significantly induced. Additionally, thiols (GSH and MT) responded actively to cope with Cu toxicity under SA. SOD, CAT, EROD, and GST were also sensitively involved in defending against hepatic oxidative stress during coexposure. These findings highlight the notable interactive effects of SA and Cu and provide a basis for understanding antioxidant-based defenses in marine fish confronting environmental challenges.
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Affiliation(s)
- Zitao Xiao
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100039, China
| | - Liang Cao
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Jinhu Liu
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Wenting Cui
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100039, China
| | - Shuozeng Dou
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100039, China.
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10
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Qu Y, Zhang T, Zhang R, Wang X, Zhang Q, Wang Q, Dong Z, Zhao J. Integrative assessment of biomarker responses in Mytilus galloprovincialis exposed to seawater acidification and copper ions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 851:158146. [PMID: 35987231 DOI: 10.1016/j.scitotenv.2022.158146] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 07/17/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
The interactive effects of ocean acidification (OA) and copper (Cu) ions on the mussel Mytilus galloprovincialis are not well understood. The underlying mechanisms also remain obscure. In this study, individuals of M. galloprovincialis were exposed for 28 days to 25 μg/L and 50 μg/L Cu ions at two pH levels (ambient level - pH 8.1; acidified level - pH 7.6). The mussels were then monitored for 56 days to determine their recovery ability. Physiological parameters (clearance rate and respiration rate), oxidative stress and neurotoxicity biomarkers (activities of superoxide dismutase, lipid peroxidation, catalase, and acetylcholinesterase), as well as the recovery ability of these parameters, were investigated in two typical tissues (i.e., gills and digestive glands). Results showed that (1) OA affected the bioconcentration of Cu in the gills and digestive glands of the mussels; (2) both OA and Cu can lead to physiological disturbance, oxidative stress, cellular damage, energy metabolism disturbance, and neurotoxicity on M. galloprovincialis; (3) gill is more sensitive to OA and Cu than digestive gland; (4) Most of the biochemical and physiological alternations caused by Cu and OA exposures in M. galloprovincialis can be repaired by the recovery experiments; (5) integrated biomarker response (IBR) analysis demonstrated that both OA and Cu ions exposure caused survival stresses to the mussels, with the highest effect shown in the co-exposure treatment. This study highlights the necessity to include OA along with pollutants in future studies to better elucidate the risks of ecological perturbations. The work also sheds light on the recovery of marine animals after short-term environmental stresses when the natural environment has recovered.
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Affiliation(s)
- Yi Qu
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264117, PR China; Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Researchs, Chinese Academy of Sciences, Yantai, Shandong 264003, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Tianyu Zhang
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264117, PR China; Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Researchs, Chinese Academy of Sciences, Yantai, Shandong 264003, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Rongliang Zhang
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264117, PR China; Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Researchs, Chinese Academy of Sciences, Yantai, Shandong 264003, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Xin Wang
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264117, PR China; Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Researchs, Chinese Academy of Sciences, Yantai, Shandong 264003, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Qianqian Zhang
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264117, PR China; Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Researchs, Chinese Academy of Sciences, Yantai, Shandong 264003, PR China.
| | - Qing Wang
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264117, PR China; Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Researchs, Chinese Academy of Sciences, Yantai, Shandong 264003, PR China
| | - Zhijun Dong
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264117, PR China; Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Researchs, Chinese Academy of Sciences, Yantai, Shandong 264003, PR China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, Shandong 266071, PR China
| | - Jianmin Zhao
- Muping Coastal Environmental Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264117, PR China; Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Researchs, Chinese Academy of Sciences, Yantai, Shandong 264003, PR China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, Shandong 266071, PR China.
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Pusceddu FH, Guimarães MM, Lopes LO, Souza LS, Cortez FS, Pereira CDS, Choueri RB, Cesar A. Biological effects of the antihypertensive losartan under different ocean acidification scenarios. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 292:118329. [PMID: 34634406 DOI: 10.1016/j.envpol.2021.118329] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 09/28/2021] [Accepted: 10/07/2021] [Indexed: 06/13/2023]
Abstract
Since the last decade, several studies have reported the presence and effects of pharmaceutical residues in the marine environment, especially those of the antihypertensive class, such as losartan. However, there is little knowledge about the physiological effects of losartan in marine invertebrates regarding its behavior under possible coastal ocean acidification scenarios. The objective of this study was to evaluate biological effects on marine organisms at different levels of the biological organization caused by the compound losartan in water and sediment under coastal ocean acidification scenarios. Water and sediment samples were collected at five sites around the Santos Submarine Sewage outfall (SSO) and two sites around the Guarujá Submarine Sewage Outfall (GSO). Losartan was found in concentrations ranging from <LOD to 7.63 ng/L in water and from <LOQ to 3.10 ng/g in sediments. Statistical analysis showed interactive effects pH and losartan on the toxicity results. The water toxicity test with Echinometra lucunter embryos/larvae showed LOECs 50-100 mg/L, with values decreasing as the pH decreased. In the sediment assays, LOEC value for sea urchin embryo-larval development was 1.0 μg/g for all tested pHs. Regarding the lysosomal membrane stability assays with adult bivalves, a LOEC of 3000 ng/L was found for Perna perna in water exposure (both at pH 8.0 and 7.6). Effects for Mytella guyanensis were observed at environmentally relevant concentrations in sediment (LOEC = 3 ng/g at pH 8.0 and 7.6). This study demonstrated that coastal ocean acidification by itself causes effects on marine invertebrates, but can also increase the negative effects of losartan in waterborne exposure. There is a need to deepen the studies on the ecotoxicity of pharmaceutical residues and acidification of the marine environment.
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Affiliation(s)
- F H Pusceddu
- Sea Institute, Federal University of São Paulo (Unifesp), Santos, São Paulo, Brazil; Ecotoxicology Laboratory, Santa Cecília University, Santos, São Paulo, Brazil
| | - M M Guimarães
- Sea Institute, Federal University of São Paulo (Unifesp), Santos, São Paulo, Brazil
| | - L O Lopes
- Sea Institute, Federal University of São Paulo (Unifesp), Santos, São Paulo, Brazil
| | - L S Souza
- Sea Institute, Federal University of São Paulo (Unifesp), Santos, São Paulo, Brazil
| | - F S Cortez
- Ecotoxicology Laboratory, Santa Cecília University, Santos, São Paulo, Brazil
| | - C D S Pereira
- Sea Institute, Federal University of São Paulo (Unifesp), Santos, São Paulo, Brazil; Ecotoxicology Laboratory, Santa Cecília University, Santos, São Paulo, Brazil
| | - R B Choueri
- Sea Institute, Federal University of São Paulo (Unifesp), Santos, São Paulo, Brazil.
| | - A Cesar
- Sea Institute, Federal University of São Paulo (Unifesp), Santos, São Paulo, Brazil
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