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Wiech M, Bienfait AM, Silva M, Barre J, Sele V, Bank MS, Bérail S, Tessier E, Amouroux D, Azad AM. Organ-specific mercury stable isotopes, speciation and particle measurements reveal methylmercury detoxification processes in Atlantic Bluefin Tuna. JOURNAL OF HAZARDOUS MATERIALS 2024; 473:134699. [PMID: 38795488 DOI: 10.1016/j.jhazmat.2024.134699] [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: 01/12/2024] [Revised: 04/24/2024] [Accepted: 05/21/2024] [Indexed: 05/28/2024]
Abstract
Identifying metabolism and detoxification mechanisms of Hg in biota has important implications for biomonitoring, ecotoxicology, and food safety. Compared to marine mammals and waterbirds, detoxification of MeHg in fish is understudied. Here, we investigated Hg detoxification in Atlantic bluefin tuna Thunnus thynnus using organ-specific Hg and Se speciation data, stable Hg isotope signatures, and Hg and Se particle measurements in multiple tissues. Our results provide evidence for in vivo demethylation and biomineralization of HgSe particles, particularly in spleen and kidney. We observed a maximum range of 1.83‰ for δ202Hg between spleen and lean muscle, whereas Δ199Hg values were similar across all tissues. Mean percent methylmercury ranged from 8% in spleen to 90% in lean muscle. The particulate masses of Hg and Se were higher in spleen and kidney (Hg: 61% and 59%, Se: 12% and 6%, respectively) compared to muscle (Hg: 2%, Se: 0.05%). Our data supports the hypothesis of an organ-specific, two-step detoxification of methylmercury in wild marine fish, consisting of demethylation and biomineralization, like reported for waterbirds. While mass dependent fractionation signatures were highly organ specific, stable mass independent fractionation signatures across all tissues make them potential candidates for source apportionment studies of Hg using ABFT.
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Affiliation(s)
| | | | - Marta Silva
- Institute of Marine Research, Bergen, Norway
| | | | | | - Michael S Bank
- Institute of Marine Research, Bergen, Norway; University of Massachusetts Amherst, Amherst, MA, USA
| | | | - Emmanuel Tessier
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et la Matériaux, Pau, France
| | - David Amouroux
- Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et la Matériaux, Pau, France
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2
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Jayaweera DD, Gunawickrama KBS, Evenset A, Kuganathan S. Bioaccumulation of Cadmium in Muscle and Liver Tissues of Juvenile Yellowfin Tuna (Thunnus albacares) from the Indian Ocean. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2024; 113:10. [PMID: 39001943 DOI: 10.1007/s00128-024-03917-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 06/06/2024] [Indexed: 07/15/2024]
Abstract
The present study evaluated the cadmium (Cd) levels and temporal variation of Cd in dark muscle, white muscle, and liver of juvenile Thunnus albacares. 72 individuals (Standard length: 50-67 cm; weight: 0.8-2.5 kg) were collected from Indian Oceanic water around Sri Lanka during the period between April 2021 to May 2022. Total Cd levels were analyzed using an Inductively Coupled Plasma Mass Spectrophotometer. The mean Cd levels (mean ± SD mg kg-1 dry weight) in different tissues varied with significantly higher levels in the liver (13.62 ± 0.98, p < 0.05), compared to dark muscle (0.52 ± 0.05), and white muscle (0.42 ± 0.04). Cd levels in liver tissues were positively correlated (p < 0.05) with the fish weight. The Cd levels reported in dark muscles, white muscles, and liver tissues were significantly higher (p < 0.05) during 2nd inter-monsoon than in the other monsoonal regimes and exceeded the maximum permissible level (0.1 mg kg-1 wet weight) set by the European Union (EU). However, the measured Cd levels in white and dark muscles were below the maximum permissible level (0.2 mg kg-1 wet weight) set by FAO/WHO. The Cd levels in all the liver tissues were above the levels set by the EU and FAO/WHO. Accordingly, people should avoid the consumption of liver tissues of T. albacares from the Indian Ocean. A human with a body weight of 60 kg can consume white muscles up to 4.667 kg per week without exceeding the Provisional Tolerable Weekly Intake.
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Affiliation(s)
| | | | - Anita Evenset
- Akvaplan-Niva, Fram Centre (High North Research Centre for Climate and the Environment), Tromso, Norway
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3
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Evers DC, Ackerman JT, Åkerblom S, Bally D, Basu N, Bishop K, Bodin N, Braaten HFV, Burton MEH, Bustamante P, Chen C, Chételat J, Christian L, Dietz R, Drevnick P, Eagles-Smith C, Fernandez LE, Hammerschlag N, Harmelin-Vivien M, Harte A, Krümmel EM, Brito JL, Medina G, Barrios Rodriguez CA, Stenhouse I, Sunderland E, Takeuchi A, Tear T, Vega C, Wilson S, Wu P. Global mercury concentrations in biota: their use as a basis for a global biomonitoring framework. ECOTOXICOLOGY (LONDON, ENGLAND) 2024; 33:325-396. [PMID: 38683471 PMCID: PMC11213816 DOI: 10.1007/s10646-024-02747-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] [Accepted: 03/06/2024] [Indexed: 05/01/2024]
Abstract
An important provision of the Minamata Convention on Mercury is to monitor and evaluate the effectiveness of the adopted measures and its implementation. Here, we describe for the first time currently available biotic mercury (Hg) data on a global scale to improve the understanding of global efforts to reduce the impact of Hg pollution on people and the environment. Data from the peer-reviewed literature were compiled in the Global Biotic Mercury Synthesis (GBMS) database (>550,000 data points). These data provide a foundation for establishing a biomonitoring framework needed to track Hg concentrations in biota globally. We describe Hg exposure in the taxa identified by the Minamata Convention: fish, sea turtles, birds, and marine mammals. Based on the GBMS database, Hg concentrations are presented at relevant geographic scales for continents and oceanic basins. We identify some effective regional templates for monitoring methylmercury (MeHg) availability in the environment, but overall illustrate that there is a general lack of regional biomonitoring initiatives around the world, especially in Africa, Australia, Indo-Pacific, Middle East, and South Atlantic and Pacific Oceans. Temporal trend data for Hg in biota are generally limited. Ecologically sensitive sites (where biota have above average MeHg tissue concentrations) have been identified throughout the world. Efforts to model and quantify ecosystem sensitivity locally, regionally, and globally could help establish effective and efficient biomonitoring programs. We present a framework for a global Hg biomonitoring network that includes a three-step continental and oceanic approach to integrate existing biomonitoring efforts and prioritize filling regional data gaps linked with key Hg sources. We describe a standardized approach that builds on an evidence-based evaluation to assess the Minamata Convention's progress to reduce the impact of global Hg pollution on people and the environment.
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Affiliation(s)
- David C Evers
- Biodiversity Research Institute, 276 Canco Road, Portland, ME, 04103, USA.
| | - Joshua T Ackerman
- U.S. Geological Survey, Western Ecological Research Center, Dixon Field Station, 800 Business Park Drive, Suite D, Dixon, CA, 95620, USA
| | | | - Dominique Bally
- African Center for Environmental Health, BP 826 Cidex 03, Abidjan, Côte d'Ivoire
| | - Nil Basu
- Faculty of Agricultural and Environmental Sciences, McGill University, Montreal, QC, Canada
| | - Kevin Bishop
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Upsalla, Sweden
| | - Nathalie Bodin
- Research Institute for Sustainable Development Seychelles Fishing Authority, Victoria, Seychelles
| | | | - Mark E H Burton
- Biodiversity Research Institute, 276 Canco Road, Portland, ME, 04103, USA
| | - Paco Bustamante
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS La Rochelle Université, 2 Rue Olympe de Gouges, 17000, La Rochelle, France
| | - Celia Chen
- Department of Biological Sciences, Dartmouth College, Hanover, NH, 03755, USA
| | - John Chételat
- Environment and Cliamte Change Canada, National Wildlife Research Centre, Ottawa, ON, K1S 5B6, Canada
| | - Linroy Christian
- Department of Analytical Services, Dunbars, Friars Hill, St John, Antigua and Barbuda
| | - Rune Dietz
- Department of Ecoscience, Aarhus University, Arctic Research Centre (ARC), Department of Ecoscience, P.O. Box 358, DK-4000, Roskilde, Denmark
| | - Paul Drevnick
- Teck American Incorporated, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
| | - Collin Eagles-Smith
- U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center, 3200 SW Jefferson Way, Corvallis, OR, 97331, USA
| | - Luis E Fernandez
- Sabin Center for Environment and Sustainability and Department of Biology, Wake Forest University, Winston-Salem, NC, 29106, USA
- Centro de Innovación Científica Amazonica (CINCIA), Puerto Maldonado, Madre de Dios, Peru
| | - Neil Hammerschlag
- Shark Research Foundation Inc, 29 Wideview Lane, Boutiliers Point, NS, B3Z 0M9, Canada
| | - Mireille Harmelin-Vivien
- Aix-Marseille Université, Université de Toulon, CNRS/INSU/IRD, Institut Méditerranéen d'Océanologie (MIO), UM 110, Campus de Luminy, case 901, 13288, Marseille, cedex 09, France
| | - Agustin Harte
- Basel, Rotterdam and Stockholm Conventions Secretariat, United Nations Environment Programme (UNEP), Chem. des Anémones 15, 1219, Vernier, Geneva, Switzerland
| | - Eva M Krümmel
- Inuit Circumpolar Council-Canada, Ottawa, Canada and ScienTissiME Inc, Barry's Bay, ON, Canada
| | - José Lailson Brito
- Universidade do Estado do Rio de Janeiro, Rua Sao Francisco Xavier, 524, Sala 4002, CEP 20550-013, Maracana, Rio de Janeiro, RJ, Brazil
| | - Gabriela Medina
- Director of Basel Convention Coordinating Centre, Stockholm Convention Regional Centre for Latin America and the Caribbean, Hosted by the Ministry of Environment, Montevideo, Uruguay
| | | | - Iain Stenhouse
- Biodiversity Research Institute, 276 Canco Road, Portland, ME, 04103, USA
| | - Elsie Sunderland
- Harvard University, Pierce Hall 127, 29 Oxford Street, Cambridge, MA, 02138, USA
| | - Akinori Takeuchi
- National Institute for Environmental Studies, Health and Environmental Risk Division, 16-2 Onogawa Tsukuba, Ibaraki, 305-8506, Japan
| | - Tim Tear
- Biodiversity Research Institute, 276 Canco Road, Portland, ME, 04103, USA
| | - Claudia Vega
- Centro de Innovaccion Cientifica Amazonica (CINCIA), Jiron Ucayali 750, Puerto Maldonado, Madre de Dios, 17001, Peru
| | - Simon Wilson
- Arctic Monitoring and Assessment Programme (AMAP) Secretariat, N-9296, Tromsø, Norway
| | - Pianpian Wu
- Department of Biological Sciences, Dartmouth College, Hanover, NH, 03755, USA
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Rogers J, Bradford MA, O'Driscoll NJ. Coastal Mussel (Mytilus spp.) Soft Tissues as Bioindicators of Methylmercury: Exploring the Relationship Between Condition Index and Methylmercury Concentrations. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2024; 112:60. [PMID: 38602538 DOI: 10.1007/s00128-024-03888-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 03/21/2024] [Indexed: 04/12/2024]
Abstract
We investigated total mercury (THg) and methylmercury (MeHg) concentrations in coastal mussels (Mytilus spp.) sampled from the Minas Basin, Bay of Fundy and evaluated the relationship with condition index (CI). THg concentrations were low in sediment (mean THg = 5.15 ± 2.11 ng/g dw; n = 6) and soft tissues (mean THg = 62.3 ± 13.7 ng/g; mean MeHg = 13.2 ± 6.3 ng/g; n = 57). The THg in tissues had no significant relationship with CI (Rs= -0.205, p = 0.126). MeHg in tissues were significantly and negatively correlated with condition index (Rs = -0.361, p = 0.006) indicating that healthier mussels (higher CI) have lower mercury content possibly due to elimination strategies or growth dilution.
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Affiliation(s)
- Josie Rogers
- Earth and Environmental Science Department, Acadia University, Wolfville Nova Scotia, Canada
| | - Molly A Bradford
- Earth and Environmental Science Department, Acadia University, Wolfville Nova Scotia, Canada.
| | - Nelson J O'Driscoll
- Earth and Environmental Science Department, Acadia University, Wolfville Nova Scotia, Canada
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Kitowski I, Łopucki R, Wiącek D, Pitucha G, Sujak A, Jakubas D. Concentration of metals and metalloids in livers of birds of various foraging guilds collected during the autumn migration period in Poland. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:21913-21934. [PMID: 38400961 DOI: 10.1007/s11356-024-32502-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 02/12/2024] [Indexed: 02/26/2024]
Abstract
During migration, birds explore various habitats at stopover sites that differ in food resources and contamination levels. In this study, hepatic concentrations of 21 elements (metals and metalloids) in 11 species of birds, representing various foraging habitats (such as aquatic, aquatic/terrestrial, and terrestrial) and migration modes (migratory and sedentary) representing various foraging guilds (omnivores, piscivores, and molluscivores), were analyzed. The samples (N = 84) were collected during the autumn migration period in Poland. The concentrations of elements determined in this study exhibited high inter-species variability, reflecting the diversity in contamination levels depending on food resources used by specific bird groups. Many of the investigated individuals from different species showed exceeded levels of subclinical toxicity and moderate clinical poisoning due to Cd and Hg. Higher concentrations of As, Hg, and Ba and lower V concentrations were found in migratory birds as compared to sedentary birds. Species foraging in terrestrial habitat had different concentrations of some elements compared to aquatic and aquatic/terrestrial species. Some specific inter-species differences in hepatic elemental concentrations were found. Differences in elemental concentrations among various groups can primarily be attributed to their foraging guilds, with certain elements, particularly As, V, and Hg, playing a significant role in the dissimilarity of elemental concentrations between foraging habitat groups and migratory mode groups. The data collected confirmed the limited ability of As to enter ecosystem pathways. The results of this study contribute to understanding the year-round exposure of migratory birds to environmental contamination, which can have carry-over effects on their performance in wintering and breeding grounds.
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Affiliation(s)
- Ignacy Kitowski
- University College of Applied Sciences in Chełm, Pocztowa 54, 22-100, Chełm, Poland
| | - Rafał Łopucki
- Department of Biomedicine and Environmental Research, The John Paul II Catholic University of Lublin, Konstantynów 1J, 20-708, Lublin, Poland
| | - Dariusz Wiącek
- Bohdan Dobrzański Institute of Agrophysics of the Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland
| | - Grzegorz Pitucha
- Biodiversity Laboratory, Institute of Agricultural Sciences, Land Management and Environmental Protection, University of Rzeszów, Ćwiklińskiej 1A, 35-601, Rzeszów, Poland
| | - Agnieszka Sujak
- Department of Biosystem Engineering, Faculty of Environmental Engineering and Mechanical Engineering, Poznań University of Life Sciences, Wojska Polskiego 50, 60-627, Poznań, Poland.
| | - Dariusz Jakubas
- Department of Vertebrate Ecology and Zoology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
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6
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Wilman B, Bełdowska M, Rychter A, Popławska A. Factors determining bioaccumulation of neurotoxicant Hg in the zebra mussels (Dreissena polymorpha): Influence of biometric parameters, sex and storage of shell. MARINE POLLUTION BULLETIN 2023; 197:115718. [PMID: 37922749 DOI: 10.1016/j.marpolbul.2023.115718] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 09/29/2023] [Accepted: 10/23/2023] [Indexed: 11/07/2023]
Abstract
One of benthic organisms exposed to contact with mercury in the southern Baltic is alien species of clam: Dreissena polymorpha. As this organism is increasingly dynamic in various regions of the world including the southern Baltic region, it is reasonable to ask whether it tolerates elevated concentrations of xenobiotics? Does it effectively eliminate Hg? The study determined the effects of biometric parameters and water temperature on the rate of accumulation and efficiency of eliminating Hg from body. Investigations focused on the shell which represents poorly-recognized role in the process of Hg distribution in clams. The results showed that especially during warm season, clams effectively reduced the levels of Hg in their body by the biodilution of Hg and reproduction. Important factor influencing detoxification was Hg transfer from the soft tissue to the shell. This protects the soft tissue against the toxic effect of Hg.
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Affiliation(s)
- Bartłomiej Wilman
- Department of Chemical Oceanography and Marine Geology, Laboratory of Toxic Substances Transformation, Faculty of Oceanography and Geography, University of Gdańsk, Al. Piłsudskiego 46, 81-378 Gdynia, Poland.
| | - Magdalena Bełdowska
- Department of Chemical Oceanography and Marine Geology, Laboratory of Toxic Substances Transformation, Faculty of Oceanography and Geography, University of Gdańsk, Al. Piłsudskiego 46, 81-378 Gdynia, Poland
| | - Agata Rychter
- Institute of Technology, State University of Applied Sciences in Elbląg, Wojska Polskiego 1, 82-300 Elbląg, Poland
| | - Angela Popławska
- Department of Chemical Oceanography and Marine Geology, Laboratory of Toxic Substances Transformation, Faculty of Oceanography and Geography, University of Gdańsk, Al. Piłsudskiego 46, 81-378 Gdynia, Poland
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7
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Le Croizier G, Lorrain A, Hoyos-Padilla M, Ketchum JT, Amezcua-Martínez F, Le Loc'h F, Munaron JM, Schaal G, Point D. Do marine protected areas influence mercury exposure? Insights from a shark community in the tropical Northeast Pacific. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122352. [PMID: 37562525 DOI: 10.1016/j.envpol.2023.122352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/12/2023] [Accepted: 08/08/2023] [Indexed: 08/12/2023]
Abstract
Biomass depletion caused by overfishing is likely to alter the structure of food webs and impact mercury transfer to marine predators. Although marine protected areas (MPAs) are spared from fishing pressure, their influence on biota mercury levels is poorly understood. Here, we used carbon and nitrogen stable isotope compositions as well as mercury concentrations in fin clips to characterize foraging habitat and mercury exposure of a shark community composed of migratory and resident species of the Revillagigedo archipelago, an offshore MPA in the Northeast Pacific off Mexico. We found that the probability of finding migratory sharks in the isotopic niche of Revillagigedo-resident sharks was low, likely reflecting the use of habitats outside the archipelago by highly mobile species. Community-wide variations in mercury were primarily explained by shark length, revealing that bioaccumulation was the main driver of Hg concentrations. We failed to detect a clear effect of foraging habitat on shark mercury exposure, which may be related to migratory species using both exploited and protected areas when moving outside the Revillagigedo MPA. More similar studies on the potential mitigation of Hg contamination by MPAs are needed in the future if fishing pressure increases to satisfy the growing global human population.
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Affiliation(s)
- Gaël Le Croizier
- Instituto de Ciencias Del Mar y Limnología, Universidad Nacional Autónoma de México, Av. Joel Montes Camarena S/N, Mazatlán, Sin, 82040, Mexico.
| | - Anne Lorrain
- Univ Brest, CNRS, IRD, Ifremer, LEMAR, F-29280, Plouzané, France
| | - Mauricio Hoyos-Padilla
- Pelagios-Kakunjá A.C, Sinaloa 1540, Col. Las Garzas, C.P. 23070, La Paz, B.C.S., Mexico; Fins Attached: Marine Research and Conservation, 19675 Still Glen Drive, Colorado Springs, CO 80908, USA
| | - James T Ketchum
- Pelagios-Kakunjá A.C, Sinaloa 1540, Col. Las Garzas, C.P. 23070, La Paz, B.C.S., Mexico; MigraMar, Bodega Bay, CA, USA; Centro de Investigaciones Biológicas Noroeste (CIBNOR), La Paz, B.C.S., Mexico
| | - Felipe Amezcua-Martínez
- Instituto de Ciencias Del Mar y Limnología, Universidad Nacional Autónoma de México, Av. Joel Montes Camarena S/N, Mazatlán, Sin, 82040, Mexico
| | | | | | - Gauthier Schaal
- Univ Brest, CNRS, IRD, Ifremer, LEMAR, F-29280, Plouzané, France
| | - David Point
- UMR Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées (OMP), 14 Avenue Edouard Belin, 31400, Toulouse, France
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8
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Médieu A, Lorrain A, Point D. Are tunas relevant bioindicators of mercury concentrations in the global ocean? ECOTOXICOLOGY (LONDON, ENGLAND) 2023; 32:994-1009. [PMID: 37328690 DOI: 10.1007/s10646-023-02679-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/06/2023] [Indexed: 06/18/2023]
Abstract
Humans are exposed to toxic methylmercury mainly by consuming marine fish. The Minamata Convention aims at reducing anthropogenic mercury releases to protect human and ecosystem health, employing monitoring programs to meet its objectives. Tunas are suspected to be sentinels of mercury exposure in the ocean, though not evidenced yet. Here, we conducted a literature review of mercury concentrations in tropical tunas (bigeye, yellowfin, and skipjack) and albacore, the four most exploited tunas worldwide. Strong spatial patterns of tuna mercury concentrations were shown, mainly explained by fish size, and methylmercury bioavailability in marine food web, suggesting that tunas reflect spatial trends of mercury exposure in their ecosystem. The few mercury long-term trends in tunas were contrasted and sometimes disconnected to estimated regional changes in atmospheric emissions and deposition, highlighting potential confounding effects of legacy mercury, and complex reactions governing the fate of mercury in the ocean. Inter-species differences of tuna mercury concentrations associated with their distinct ecology suggest that tropical tunas and albacore could be used complementarily to assess the vertical and horizontal variability of methylmercury in the ocean. Overall, this review elevates tunas as relevant bioindicators for the Minamata Convention, and calls for large-scale and continuous mercury measurements within the international community. We provide guidelines for tuna sample collection, preparation, analyses and data standardization with recommended transdisciplinary approaches to explore tuna mercury content in parallel with observation abiotic data, and biogeochemical model outputs. Such global and transdisciplinary biomonitoring is essential to explore the complex mechanisms of the marine methylmercury cycle.
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Affiliation(s)
- Anaïs Médieu
- IRD, Univ Brest, CNRS, Ifremer, UMR 6539, LEMAR, Plouzané, France.
| | - Anne Lorrain
- IRD, Univ Brest, CNRS, Ifremer, UMR 6539, LEMAR, Plouzané, France
| | - David Point
- Observatoire Midi-Pyrénées, GET, UMR CNRS 5563/IRD 234, Université Paul Sabatier Toulouse 3, Toulouse, France
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9
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Parker KH, Bishop JM, Serieys LEK, Mateo R, Camarero PR, Leighton GRM. A heavy burden: Metal exposure across the land-ocean continuum in an adaptable carnivore. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 327:121585. [PMID: 37040831 DOI: 10.1016/j.envpol.2023.121585] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/10/2023] [Accepted: 04/04/2023] [Indexed: 06/19/2023]
Abstract
Urbanisation and associated anthropogenic activities release large quantities of toxic metals and metalloids into the environment, where they may bioaccumulate and threaten both wildlife and human health. In highly transformed landscapes, terrestrial carnivores may be at increased risk of exposure through biomagnification. We quantified metallic element and metalloid exposure in blood of caracals (Caracal caracal), an adaptable felid inhabiting the rapidly urbanising, coastal metropole of Cape Town, South Africa. Using redundancy analysis and mixed-effect models, we explored the influence of demography, landscape use, and diet on the concentration of 11 metals and metalloids. Although species-specific toxic thresholds are lacking, arsenic (As) and chromium (Cr) were present at potentially sublethal levels in several individuals. Increased use of human-transformed landscapes, particularly urban areas, roads, and vineyards, was significantly associated with increased exposure to aluminium (Al), cobalt (Co) and lead (Pb). Foraging closer to the coast and within aquatic food webs was associated with increased levels of mercury (Hg), selenium (Se) and arsenic, where regular predation on seabirds and waterbirds likely facilitates transfer of metals from aquatic to terrestrial food webs. Further, several elements were linked to lower haemoglobin levels (chromium, mercury, manganese, and zinc) and elevated levels of infection-fighting cells (mercury and selenium). Our results highlight the importance of anthropogenic activities as major environmental sources of metal contamination in terrestrial wildlife, including exposure across the land-ocean continuum. These findings contribute towards the growing evidence suggesting cities are particularly toxic areas for wildlife. Co-exposure to a suite of metal pollutants may threaten the long-term health and persistence of Cape Town's caracal population in unexpected ways, particularly when interacting with additional known pollutant and pathogen exposure. The caracal is a valuable sentinel for assessing metal exposure and can be used in pollution monitoring programmes to mitigate exposure and promote biodiversity conservation in human-dominated landscapes.
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Affiliation(s)
- Kim H Parker
- Institute for Communities and Wildlife in Africa (iCWild), Department of Biological Sciences, University of Cape Town, South Africa
| | - Jacqueline M Bishop
- Institute for Communities and Wildlife in Africa (iCWild), Department of Biological Sciences, University of Cape Town, South Africa
| | - Laurel E K Serieys
- Institute for Communities and Wildlife in Africa (iCWild), Department of Biological Sciences, University of Cape Town, South Africa; Panthera, New York, NY, USA; Cape Leopard Trust, Cape Town, South Africa
| | - Rafael Mateo
- Instituto de Investigación en Recursos Cinegéticos (IREC-CSIC, UCLM, JCCM), Ciudad Real, Spain
| | - Pablo R Camarero
- Instituto de Investigación en Recursos Cinegéticos (IREC-CSIC, UCLM, JCCM), Ciudad Real, Spain
| | - Gabriella R M Leighton
- Institute for Communities and Wildlife in Africa (iCWild), Department of Biological Sciences, University of Cape Town, South Africa; Department of Zoology and Entomology, Rhodes University, Grahamstown, South Africa.
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10
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Tovar LR, Sus B, Azevedo A, Lailson-Brito J, Bisi TL. Mercury toxicology in Epinephelidae fishes: A multiple tissue approach in two groupers species from southwestern Atlantic (SE-Brazil). MARINE POLLUTION BULLETIN 2023; 191:114967. [PMID: 37121186 DOI: 10.1016/j.marpolbul.2023.114967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 04/13/2023] [Accepted: 04/16/2023] [Indexed: 05/13/2023]
Abstract
Epinephelidae fishes are important to reef ecosystems, as well as for commercial fishing and cultural heritage. Additionally, most of these species are at some risk of extinction, as Epinephelus marginatus and Hyporthodus nigritus. This study aimed to determine total mercury (THg) concentrations and burden on eight tissues of E. marginatus and H. nigritus. A Cold Vapor/Atomic Absorption Spectrometer was used for the THg determination. THg concentrations and burden varied significantly between tissues in both species. The highest concentrations were determined in the liver, and the greatest burden was in muscle. The gonad concentrations were higher than the toxicological threshold. General trends of increase in THg concentrations and burden along growth were observed. Mercury is a threat for both species evaluated, raising this concern for other Epinephelidae species.
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Affiliation(s)
- Lucas Rodrigues Tovar
- Laboratório de Mamíferos Aquáticos e Bioindicadores, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-013, Brazil.
| | - Bruna Sus
- Laboratório de Mamíferos Aquáticos e Bioindicadores, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-013, Brazil
| | - Alexandre Azevedo
- Laboratório de Mamíferos Aquáticos e Bioindicadores, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-013, Brazil
| | - José Lailson-Brito
- Laboratório de Mamíferos Aquáticos e Bioindicadores, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-013, Brazil
| | - Tatiana Lemos Bisi
- Laboratório de Mamíferos Aquáticos e Bioindicadores, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro 20550-013, Brazil
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11
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Al-Sulaiti MM, Soubra L, Ramadan GA, Ahmed AQS, Al-Ghouti MA. Total Hg levels distribution in fish and fish products and their relationships with fish types, weights, and protein and lipid contents: A multivariate analysis. Food Chem 2023; 421:136163. [PMID: 37105119 DOI: 10.1016/j.foodchem.2023.136163] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 04/02/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023]
Abstract
This study investigates the mercury (Hg) levels distribution in fish and fish products and their relationships with fish types, weights, protein, and lipid contents in Qatar. Principal component analysis (PCA) was employed to analyze the influence of lipids and protein content on Hg accumulation in the fish tissues. Additionally, the impact of Hg concentration and fish consumption on the estimated weekly intake (EWI). The PCA results showed that Hg contamination levels are primarily affected by protein-lipid content in predatory species. The results showed that high lipid content reflected lower Hg levels and that high Hg levels in fish with high lipid content indicated a polluted environment. The finding of the PCA of EWI, consumption, and Mercury concentration indicate that EWI is highly correlated to Mercury concentration except in the case of low Mercury concentration.
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Affiliation(s)
- Maetha M Al-Sulaiti
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, State of Qatar - Doha, P.O. Box: 2713, Qatar
| | - Lama Soubra
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, State of Qatar - Doha, P.O. Box: 2713, Qatar
| | - Gouda A Ramadan
- Central Food Laboratories, Public Health Department, P.O. Box 42, Doha, Qatar; Agricultural Research Center, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Food, Ministry of Agriculture, Giza 12311, Egypt.
| | | | - Mohammad A Al-Ghouti
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, State of Qatar - Doha, P.O. Box: 2713, Qatar.
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12
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Mathieu-Resuge M, Le Grand F, Brosset P, Lebigre C, Soudant P, Vagner M, Pecquerie L, Sardenne F. Red muscle of small pelagic fishes’ fillets are high-quality sources of essential fatty acids. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2023.105304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
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13
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Ulusoy Ş. Determination of toxic metals in canned tuna sold in developed and developing countries: Health risk assessment associated with human consumption. MARINE POLLUTION BULLETIN 2023; 187:114518. [PMID: 36587531 DOI: 10.1016/j.marpolbul.2022.114518] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 12/08/2022] [Accepted: 12/18/2022] [Indexed: 06/17/2023]
Abstract
This study investigated toxic metal levels in a total of 222 canned tuna sampled from 36 countries (developed and developing) during 2017-2019. For this purpose, four toxic metals (Cadmium (Cd), lead (Pb), mercury (Hg), and arsenic (As) were analyzed using inductively coupled plasma-mass spectrometry (ICP-MS). Under the optimized conditions, the limit of detection (LOD) and the limit of quantification (LOQ) of the instrument ranged from 0.025 to 0.18 and from 0.54 to 0.045 ppb, respectively, with recoveries in the range of 98 %-108 %. Moreover, noncancer risk using the target hazard quotient (THQ) of each of the four toxic metals was assessed, and cancer risk using the target cancer risk (TCR) of inorganic arsenic (iAs) was evaluated. The THQ values of Hg were higher than the limits of safe (THQ ˃1) and TCR showed the carcinogenic risk for iAs for consumers when consuming more than one meal of canned tuna per week.
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Affiliation(s)
- Şafak Ulusoy
- Department of Fisheries and Seafood Processing Technology, Faculty of Aquatic Sciences, Istanbul University, Kalenderhane, Onaltı Mart Şehitleri St, No: 2, 34134 Vezneciler-Fatih, İstanbul, Turkey.
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14
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Goyanna FAA, Fernandes MB, Silva GBD, Lacerda LDD. Mercury in oceanic upper trophic level sharks and bony fishes - A systematic review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 318:120821. [PMID: 36509349 DOI: 10.1016/j.envpol.2022.120821] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 11/18/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
Anthropogenic activities contribute to nearly half of current Hg emissions to the atmosphere. In the marine habitat, oceanic predator fishes bioaccumulate Hg throughout their lives, making their consumption the main route of Hg exposure in humans. In this context, several publications, between 1973 and 2022, were selected, analyzed, and duly compiled, with the objective to investigate Hg contamination in nine species of bony fish: Thunnus thynnus (8 publications), Thunnus albacares (19), Thunnus obesus (7), Thunnus atlanticus (5), Thunnus alalunga (4), Katsuwonus pelamis (8), Xiphias gladius (18), Coryphaena hippurus (7) and Euthynnus alletteratus (4), as well as two species of cartilaginous fishes Prionace glauca (13 publications) and Isurus oxyrinchus (8). These studies totaled 5973 individuals. We classified species according to taxonomic groups and region of capture and found a significant difference between sharks and bony fishes, with higher Hg concentrations in sharks. The regions of occurrence were divided into 4 large areas (North Atlantic - NAO, South Atlantic - SAO, Equatorial Atlantic Ocean - EAO, and Mediterranean - MED), but no significant differences were observed when comparing the overall Hg concentrations in fish among regions (including all species). Additionally, a thorough discussion of the risks associated with human consumption of these species was conducted, as nine of the selected species presented individuals with Hg concentration values that exceeded the safety limits (1 ppm) set by health agencies worldwide.
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Affiliation(s)
- Felipe A Alencar Goyanna
- Instituto de Ciências do Mar, Universidade Federal do Ceará, Av. Aboliçao 3207, Meireles, Fortaleza, 60.165-081, CE, Brazil.
| | - Moises Bezerra Fernandes
- Instituto de Ciências do Mar, Universidade Federal do Ceará, Av. Aboliçao 3207, Meireles, Fortaleza, 60.165-081, CE, Brazil
| | - Guelson Batista da Silva
- Departamento Ciências Animais, Universidade Federal Rural do Semiárido, Mossoró, 59.625-900, RN, Brazil
| | - Luiz Drude de Lacerda
- Instituto de Ciências do Mar, Universidade Federal do Ceará, Av. Aboliçao 3207, Meireles, Fortaleza, 60.165-081, CE, Brazil
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15
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Franco-Fuentes E, Moity N, Ramírez-González J, Andrade-Vera S, Hardisson A, Paz S, Rubio C, Martín V, Gutiérrez ÁJ. Mercury in fish tissues from the Galapagos marine reserve: Toxic risk and health implications. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2022.104969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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16
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Muñoz-Abril L, Valle CA, Alava JJ, Janssen SE, Sunderland EM, Rubianes-Landázuri F, Emslie SD. Elevated Mercury Concentrations and Isotope Signatures (N, C, Hg) in Yellowfin Tuna (Thunnus albacares) from the Galápagos Marine Reserve and Waters off Ecuador. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2732-2744. [PMID: 35975428 DOI: 10.1002/etc.5458] [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: 01/19/2022] [Revised: 04/19/2022] [Accepted: 08/02/2022] [Indexed: 06/15/2023]
Abstract
We examined how dietary factors recorded by C and N influence Hg uptake in 347 individuals of yellowfin tuna (Thunnus albacares), an important subsistence resource from the Galápagos Marine Reserve (Ecuador) and the Ecuadorian mainland coast in 2015-2016. We found no differences in total Hg (THg) measured in red muscle between the two regions and no seasonal differences, likely due to the age of the fish and slow elimination rates of Hg. Our THg concentrations are comparable to those of other studies in the Pacific (0.20-9.60 mg/kg wet wt), but a subset of individuals exhibited the highest Hg concentrations yet reported in yellowfin tuna. Mercury isotope values differed between Δ199 Hg and δ202Hg in both regions (Δ199 Hg = 2.86 ± 0.04‰ vs. Δ199 Hg = 2.33 ± 0.07‰), likely related to shifting food webs and differing photochemical processing of Hg prior to entry into the food web. There were significantly lower values of both δ15 N and δ13 C in tuna from Galápagos Marine Reserve (δ15 N: 8.5-14.2‰, δ13 C: -18.5 to -16.1‰) compared with those from the Ecuadorian mainland coast (δ15 N: 8.3-14.4‰, δ13 C: -19.4 to -11.9‰), of which δ13 C values suggest spatially constrained movements of tuna. Results from the pooled analysis, without considering region, indicated that variations in δ13 C and δ15 N values tracked changes of Hg stable isotopes. Our data indicate that the individual tuna we used were resident fish of each region and were heavily influenced by upwellings related to the eastern Pacific oxygen minimum zone and the Humboldt Current System. The isotopes C, N, and Hg reflect foraging behavior mainly on epipelagic prey in shallow waters and that food web shifts drive Hg variations between these populations of tuna. Environ Toxicol Chem 2022;41:2732-2744. © 2022 SETAC.
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Affiliation(s)
- Laia Muñoz-Abril
- Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
- Galápagos Science Center, Puerto Baquerizo Moreno, Ecuador
- Department of Marine Sciences, University of South Alabama, Mobile, Alabama, USA
| | - Carlos A Valle
- Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
- Galápagos Science Center, Puerto Baquerizo Moreno, Ecuador
| | - Juan José Alava
- Institute for the Oceans and Fisheries, University of British Columbia, Vancouver, British Columbia, Canada
| | - Sarah E Janssen
- Upper Midwest Water Science Center, US Geological Survey, Middleton, Wisconsin, USA
| | - Elsie M Sunderland
- Harvard T.H. Chan School of Public Health, Harvard University, Cambridge, Massachusetts, USA
| | - Francisco Rubianes-Landázuri
- Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Quito, Ecuador
- Galápagos Science Center, Puerto Baquerizo Moreno, Ecuador
| | - Steven D Emslie
- Department of Biology and Marine Biology, University of North Carolina, Wilmington, North Carolina, USA
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17
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Rodríguez-Levy IE, Van Damme PA, Carvajal-Vallejos FM, Bervoets L. Trace element accumulation in different edible fish species from the bolivian amazon and the risk for human consumption. Heliyon 2022; 8:e11649. [DOI: 10.1016/j.heliyon.2022.e11649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 04/21/2022] [Accepted: 11/08/2022] [Indexed: 11/21/2022] Open
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18
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Determination of the Heavy Metal Bioaccumulation Patterns in Muscles of Two Species of Mullets from the Southern Caspian Sea. Animals (Basel) 2022; 12:ani12202819. [PMID: 36290205 PMCID: PMC9597724 DOI: 10.3390/ani12202819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 11/18/2022] Open
Abstract
Simple Summary Fish are an important source of proteins of a high biological value, of some vitamins and minerals, and of polyunsaturated omega-3 fatty acids. However, fish products can also allow harmful substances, like heavy metals, to enter the diet. Such substances are recognized as being the most serious contaminants for aquatic ecosystems at the present time. Their non-biodegradability allows them to accumulate in fish tissues, and then pass into human diets. Therefore, our study aimed to determine the concentrations of heavy metals (As, Cd, Cu, Hg, Ni, Pb, and Zn), and to evaluate the bioaccumulation patterns in the different types of musculature in two species of fish of commercial interest, Chelon auratus and Chelon saliens, from the south coast of the Caspian Sea. The results obtained emphasize the need to continue to monitor and evaluate the degree of pollution in the sampled area, both in fish and other species and also in the environment, as well as recommending prevention measures orientated towards limiting and/or reducing the excessive exposure of the human population to heavy metal contamination. Abstract Although fish is a food that supplies nutrients of a high biological value, they can also be a source of some harmful substances, such as heavy metals. In the same context, some human activities in the Caspian Sea have contaminated this ecosystem during the past few years. For those reasons, our objective consisted of determining the concentrations of heavy metals and evaluating their bioaccumulation patterns in the different types of musculature in two species of mullets of commercial interest, Chelon auratus and Chelon saliens, from the southern coast of this sea. For this purpose, 20 C. auratus and 29 C. saliens were caught off this coastline and the metal concentrations in 3 different muscle locations were analyzed: the ventral, dorsal and caudal muscles of each fish. The caudal muscle had higher concentrations of Cd, Cu, Pb, and Zn, whereas As, Hg and Ni accumulation seemed to be independent of the musculature type. Overall, the Cd, Hg, and Pb concentrations exceeded the maximum levels permitted in fish by the European Union. In addition, the relationships between pairs of metals were positive and elevated in all the cases, which could be a sign of heavy metal pollution in the region sampled. Therefore, it will be necessary to continue monitoring and evaluating the degree of pollution in the Caspian Sea.
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19
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Wickrama-Arachchige AUK, Guruge KS, Tani H, Dharmaratne TS, Kumara MP, Niizuma Y, Ohura T. Comparative Study on the Distribution of Essential, Non-Essential Toxic, and Other Elements across Trophic Levels in Various Edible Aquatic Organisms in Sri Lanka and Dietary Human Risk Assessment. TOXICS 2022; 10:toxics10100585. [PMID: 36287865 PMCID: PMC9612099 DOI: 10.3390/toxics10100585] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 09/28/2022] [Accepted: 09/28/2022] [Indexed: 06/01/2023]
Abstract
Thirty-six elements are categorized as essential but toxic in excess amount (EBTEs), non-essential toxic (NETs), and Other in 29 different edible aquatic species dwelling in offshore pelagic, and coastal and estuarine (CE) ecosystems were investigated in Sri Lanka. Elements were analyzed using an energy-dispersive X-ray fluorescence (EDXRF) spectrometer, and an NIC MA-3000 Mercury Analyzer. EBTEs showed a negative relationship, whereas NETs showed a positive relationship between the concentration (mg/kg wet weight) and trophic levels in both ecosystems. EBTEs showed trophic dilution, whereas NETs showed trophic magnification. Some elements in a few organisms exceeded the maximum allowable limit which is safe for human consumption. There was a positive relationship (R2 = 0.85) between the concentration of mercury and body weight of yellowfin tuna (YFT). For the widely consumed YFT, the calculated hazard index (HI) for the non-carcinogenic health and exposure daily intake of NETs for adults were 0.27 and 9.38 × 10-5 mg/kg bw/day, respectively. The estimated provisional tolerable weekly intake (PTWI) (μg/kg bw/w) was 0.47 for arsenic and 0.05 for antimony, cadmium, mercury, and lead. The HI and PTWI values were below the recommended limits; thus, consumption of YFT does not pose any health risk for Sri Lankan adults.
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Affiliation(s)
| | - Keerthi S. Guruge
- Division of Hygiene Management Research, National Institute of Animal Health, National Agriculture and Food Research Organization, Tsukuba 305-0856, Japan
- Graduate School of Veterinary Science, Osaka Metropolitan University, Osaka 598-8531, Japan
| | - Hinako Tani
- Graduate School of Agriculture, Meijo University, Nagoya 468-8502, Japan
| | - Tilak Siri Dharmaratne
- Faculty of Fisheries and Ocean Sciences, Ocean University of Sri Lanka, Tangalle HB 82200, Sri Lanka
- Gem and Jewelry Research and Training Institute, Kaduwela CO 10115, Sri Lanka
| | - Marappullige P. Kumara
- Faculty of Fisheries and Ocean Sciences, Ocean University of Sri Lanka, Tangalle HB 82200, Sri Lanka
| | - Yasuaki Niizuma
- Graduate School of Agriculture, Meijo University, Nagoya 468-8502, Japan
| | - Takeshi Ohura
- Graduate School of Agriculture, Meijo University, Nagoya 468-8502, Japan
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20
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Song Y, Guo F, Zeng P, Liu J, Wang Y, Cheng H. Simultaneous measurements of Cr, Cd, Hg and Pb species in ng L−1 levels by interfacing high performance liquid chromatography and inductively coupled plasma mass spectrometry. Anal Chim Acta 2022; 1212:339935. [DOI: 10.1016/j.aca.2022.339935] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 05/07/2022] [Accepted: 05/10/2022] [Indexed: 12/28/2022]
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21
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da Silva ETL, Pedreira MM, Dias MLF, Gomes MVT, Soares MA, Pedreira RSF, Schorer M. Mercury chloride toxicity in juveniles Prochilodus argenteus a species from southeastern Brazil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:21803-21810. [PMID: 34767175 DOI: 10.1007/s11356-021-17205-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
The aim of this study was to determine the 96-h LC50 (lethal concentration for 50% of the test population in 96 h of observation) of mercury chloride (HgCl2) and evaluated its absorption in the gills, liver, and muscle of juvenile "curimatã-pacu," Prochilodus argenteus. The fish were exposed for 4 days to different concentrations of HgCl2: 0.000, 0.0375, 00.075, 0.150, 0.225, 0.300, and 0.400 mg L-1 to get the 96-h LC50, and the concentration of Hg in the tissues. The fish were exposed to different levels of HgCl2 (0.000, 0.0375, 00.075, 0.150, 0.225, and 0.300 mg L-1), for 4 and 7 days, when different tissues (gills, liver, and muscle) were sampled. The mercury concentration values obtained were compared between tissues, days, and concentration of mercury in the water. The 96-h LC50 for P. argenteus was 0.339 mg L-1 of HgCl2, within the range found for other neotropical and tropical species, showing a medium sensitivity. The concentration of Hg in the tissues increased from the muscle to the gills and liver, and according to the increasing concentration of HgCl2 in the water. The fish liver is the most suitable tissue for environmental monitoring and for the evaluation of the consumed fished. Despite being the tissue that least accumulated mercury, the muscle must be evaluated because it is the part consumed by the population.
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Affiliation(s)
- Emília Tatiane Lopes da Silva
- Faculty of Agricultural Sciences, Federal University of Vales Do Jequitinhonha and Mucuri, Highway MGT 367 - Km 583, nº 5000 - Alto da Jacuba, Diamantina, MG, 39100-000, Brazil
| | - Marcelo Mattos Pedreira
- Laboratory of Aquaculture and Aquatic Ecology, Department of Animal Science, Federal University of Valleys of the Jequitinhonha and Mucuri, Highway MGT 367 - Km 583, nº 5000 - Alto da Jacuba, Diamantina, MG, 39100-000, Brazil
| | - Maria Letícia Fernandes Dias
- Laboratory of Aquaculture and Aquatic Ecology, Department of Animal Science, Federal University of Valleys of the Jequitinhonha and Mucuri, Highway MGT 367 - Km 583, nº 5000 - Alto da Jacuba, Diamantina, MG, 39100-000, Brazil
| | - Marcos Vinícius Teles Gomes
- Development Company of the São Francisco and Parnaíba Valleys, Hydrobiology and Pisciculture Station of Três Marias, Mailbox 11, Três Marias, MG, 39205-000, Brazil
| | - Marcus Alvarenga Soares
- Faculty of Agricultural Sciences, Federal University of Vales Do Jequitinhonha and Mucuri, Highway MGT 367 - Km 583, nº 5000 - Alto da Jacuba, Diamantina, MG, 39100-000, Brazil
| | - Rodrigo Sá Fortes Pedreira
- Laboratory of Aquaculture and Aquatic Ecology, Department of Animal Science, Federal University of Valleys of the Jequitinhonha and Mucuri, Highway MGT 367 - Km 583, nº 5000 - Alto da Jacuba, Diamantina, MG, 39100-000, Brazil
| | - Marianne Schorer
- Laboratory of Fish Nutrition (AQUANUT), Department of Animal Science at the State University of Santa Cruz - UESC, Jorge Amado Road, Km 16, - Salobrinho, Ilhéus, BA, 45662-900, Brazil.
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22
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Kljaković-Gašpić Z, Tičina V. Mercury and selenium levels in archive samples of wild Atlantic bluefin tuna from the Mediterranean Sea. CHEMOSPHERE 2021; 284:131402. [PMID: 34323802 DOI: 10.1016/j.chemosphere.2021.131402] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 06/18/2021] [Accepted: 06/28/2021] [Indexed: 06/13/2023]
Abstract
This study examined total mercury (THg) and selenium (Se) levels in archive samples (white and red muscles, liver, gills) of the wild Atlantic bluefin tuna (ABFT) (Thunnus thynnus) (n = 18) captured in the central Adriatic Sea. The influence of fish size, age, and tissue type on element distribution was examined. There were significant differences in THg and Se levels, and Se:THg molar ratios among tissues. THg levels were highest in liver and lowest in gills (liver > red muscle > white muscle > gills), while Se levels were also highest in liver but lowest in white muscle (liver > red muscle > gills > white muscle). Se:THg molar ratios were highest in gills (22-82), intermediate in liver (11-29) and red muscle (7-36), and lowest in white muscle (1.7-7.6). Concentrations of THg in all tissues and Se in liver and caudal muscle were positively correlated with tuna age and size, while the Se:THg molar ratio in gills and all white muscles was negatively correlated with tuna age and size, indicating that the protective role of Se against THg is reduced in older specimens. The selenium health benefit values (HBVSe) were above zero in all tissues, indicating a small excess of Se after Hg sequestration. However, since the obtained HBVSe for edible tissues were near zero (0.01-0.04), and more than 70% of white muscle samples and all red muscle samples exceeded the EU regulatory limit for THg in fish muscle, it would be advisable to limit their intake in adults to one meal per month.
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Affiliation(s)
- Zorana Kljaković-Gašpić
- Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10001, Zagreb, Croatia.
| | - Vjekoslav Tičina
- Institute of Oceanography and Fisheries, PO Box 500, 21000, Split, Croatia.
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23
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Hu L, Li G, Huang J, Zhang H, Yu H, Xu J, Yao Q, Hu Y. Emulsification through oil addition on the properties of yellowfin tuna (
Thunnus albacares
) paste. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.16045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lingping Hu
- College of Food Science and Technology Hainan Tropical Ocean University Sanya China
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang Key Laboratory for Agro‐Food Processing, Fuli Institute of Food Science Zhejiang University Hangzhou China
| | - Gaoshang Li
- College of Food Science and Technology Hainan Tropical Ocean University Sanya China
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang Key Laboratory for Agro‐Food Processing, Fuli Institute of Food Science Zhejiang University Hangzhou China
| | - Jiayin Huang
- College of Food Science and Technology Hainan Tropical Ocean University Sanya China
- College of Biosystems Engineering and Food Science National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang Key Laboratory for Agro‐Food Processing, Fuli Institute of Food Science Zhejiang University Hangzhou China
| | - Hongwei Zhang
- Technology Center of Qingdao Customs District Qingdao China
| | - Haixia Yu
- Ocean Research Center of Zhoushan Zhejiang University Zhoushan China
| | - Jianhong Xu
- Zhejiang Retronx Foodstuff industry Co., Ltd. Zhoushan China
| | - Qian Yao
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University Chengdu China
| | - Yaqin Hu
- College of Food Science and Technology Hainan Tropical Ocean University Sanya China
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24
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Fish Sedation and Anesthesia. Vet Clin North Am Exot Anim Pract 2021; 25:13-29. [PMID: 34823688 DOI: 10.1016/j.cvex.2021.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Veterinarians often need to sedate or anesthetize fish to perform physical examinations or other diagnostic procedures. Sedation may also be required to transport fish. Painful procedures require complete anesthesia with appropriate antinociceptive agents. Regulations and withdrawal times apply to food animal species in many countries. Specific protocols are therefore warranted in commercial fish versus ornamentals. Tonic immobility of elasmobranchs and electric anesthesia should never be used to perform painful procedures. Anesthetic monitoring in fish remains challenging. This review summarizes ornamental fish anesthesia and discusses techniques used in the commercial fish industry and in field conditions.
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Ansel MA. Hg, As, Cr, Sn, Ni, and Se concentrations in the muscle of little tunny (Euthynnus alletteratus) from the western Algerian stock. Biol Trace Elem Res 2021; 199:3898-3904. [PMID: 33386488 DOI: 10.1007/s12011-020-02514-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 11/24/2020] [Indexed: 11/30/2022]
Abstract
Muscle-metal (As, Se, Hg, Sn, Cr, Ni) levels were measured in little tunny (Euthynnus alletteratus) from the western Algerian stock. Relationships between metal levels in the muscle tissues and fish fork length and total weight were examined. The accumulation of metals in muscle tissues varied in the following ascending order: Ni, Cr, Sn, Hg, Se, and As. The range of metal concentrations (mg kg-1/wet weight) were 1.2561-3.8562 (As), 0.6897-3.4123 (Se), 0.3852-1.4235 (Hg), 0.1569-0.6512 (Sn), 0.1254-0.4002 (Cr), and 0.0719-0.3122 (Ni). Significant variations (t > 1.96, p < 0.05) between metal concentrations were observed in muscle tissues of E. alletteratus. The concentrations of all metals investigated increase as the fish increased in size and total weight. Furthermore, the results of exponential regressions showed significant positive relationships (p < 0.05) between metal levels and fish size and weight. Average levels of heavy metals in muscle tissues of E. alletteratus were lower than permissible limits for fish consumption prescribed by FAO/WHO, EC, ASTDR, and USFDA.
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Affiliation(s)
- Mohammed Amine Ansel
- Department of Marine Sciences and Aquaculture, Faculty of Natural Sciences and Life, Abdelhamid Ibn Badis University, PO Box 300, 27000, Mostaganem, Algeria.
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Yabanli M, Tay S. Selenium and mercury balance in sea bream obtained from different living environments in Turkey: a risk assessment for the consumer health. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:36069-36075. [PMID: 33683585 DOI: 10.1007/s11356-021-13366-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 03/04/2021] [Indexed: 06/12/2023]
Abstract
The selenium health benefit value (Se-HBV) is the criterion developed for revealing nutritional values or the risks related to mercury (Hg) toxicity which can emerge in relation to consumption of fish. In this study, the conditions of Se and Hg elements in the muscular tissues of sea bream (Sparus aurata) living in different environments in Mugla province were examined. In addition, a benefit/risk assessment was performed in terms of consumer health with the calculation of Se-HBV. In this context, muscular tissues of sea bream obtained from wild species (WS), offshore marine cages species (OS), and soil ponds species (SS) were dissolved with microwave wet digestion and the concentrations of Se and Hg (mg/kg wet weight) were determined by using inductively coupled plasma mass spectroscopy (ICP-MS). According to the obtained results, the highest mean Se level was determined in SS (0.43 ± 0.02 mg/kg) followed by WS (0.35 ± 0.03 mg/kg) and OS (0.34 ± 0.02 mg/kg). The highest mean Hg concentration was detected in WS (0.09 ± 0.02 mg/kg) followed by OS and SS as 0.05 ± 0.01 mg/kg respectively. As a result of risk assessment conducted with Se-HBV, positive values were determined for each one of three sea bream groups.
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Affiliation(s)
- Murat Yabanli
- Department of Aquatic Sciences, Faculty of Fisheries, Mugla Sitki Kocman University, Mugla, Turkey.
| | - Sami Tay
- Izmir Food Control Laboratory Directorate, Izmir, Turkey
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Rodrigues PDA, Ferrari RG, do Rosário DKA, Hauser-Davis RA, Lopes AP, Neves Dos Santos AFG, Conte-Junior CA. Interactions between mercury and environmental factors: A chemometric assessment in seafood from an eutrophic estuary in southeastern Brazil. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 236:105844. [PMID: 33991843 DOI: 10.1016/j.aquatox.2021.105844] [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: 02/09/2021] [Revised: 04/20/2021] [Accepted: 04/21/2021] [Indexed: 06/12/2023]
Abstract
Guanabara Bay (GB) is an estuary in Brazil, constantly the target of pollutants, such as mercury (Hg). Thus, our study aimed to evaluate (i) total mercury (THg) content in shrimp and squid species from GB; (ii) associate THg content to contamination in swimming crabs; (iii) explore potential differences between species, and size; (iv) correlate abiotic water data to the determined THg contents; (v) verify if Hg concentrations are below acceptable limits. Swimming crabs showed greater Hg contamination compared to other species. For shrimp only biometric variables are related to Hg, while for squid, only abiotic. Only squids did not show a correlation between Hg and animal size. Finally, the detected Hg values are below the tolerable limits established by legislations. Our results indicate that the dynamics of Hg contamination differs between groups and that further studies are needed to elucidate the mechanisms that affect bioaccumulation in different species.
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Affiliation(s)
- Paloma de Almeida Rodrigues
- Molecular and Analytical Laboratory Center, Department of Food Technology, Faculty of Veterinary, Universidade Federal Fluminense, Niterói, 24230-340, Brazil.
| | - Rafaela Gomes Ferrari
- Chemistry Institute, Food Science Program, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-909, Brazil; Agrarian Sciences Center, Department of Zootechnics, Federal University of Paraiba, Paraíba, Brazil.
| | - Denes Kaic Alves do Rosário
- Chemistry Institute, Food Science Program, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-909, Brazil.
| | - Rachel Ann Hauser-Davis
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (Fiocruz), 21040-360 Rio de Janeiro, Brazil
| | - Amanda Pontes Lopes
- Laboratory of Theoretical and Applied Ichthyology, Department of Ecology and Marine Resources, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro, 22.290-240, Brazil
| | - Alejandra Filippo Gonzalez Neves Dos Santos
- Laboratory of Applied Ecology, Department of Zootechny and Sustainable Socioenvironmental Development, Fluminense Federal University (UFF), Rua Vital Brasil Filho, 64, 24230-340, Niterói, RJ, Brazil
| | - Carlos Adam Conte-Junior
- Molecular and Analytical Laboratory Center, Department of Food Technology, Faculty of Veterinary, Universidade Federal Fluminense, Niterói, 24230-340, Brazil; Chemistry Institute, Food Science Program, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-909, Brazil; National Institute of Health Quality Control, Fundação Oswaldo Cruz, Rio de Janeiro 21040-900, Brazil
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Fathabad AE, Tajik H, Najafi ML, Jafari K, Mousavi Khaneghah A, Fakhri Y, Thai VN, Oliveri Conti G, Miri M. The concentration of the potentially toxic elements (PTEs) in the muscle of fishes collected from Caspian Sea: A health risk assessment study. Food Chem Toxicol 2021; 154:112349. [PMID: 34144100 DOI: 10.1016/j.fct.2021.112349] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 06/10/2021] [Accepted: 06/12/2021] [Indexed: 11/16/2022]
Abstract
In the present study, the concentration of (potentially toxic element) PTEs in the five fish species from the Caspian Sea (from five coastal areas) was measured and compared. The target hazard quotient (THQ) and total THQ (TTHQ) were calculated using Monte Carlo simulations to determine the non-carcinogenic risk in both children and adults consumers. The highest concentration of PTEs was associated with chromium (Cr) measured in Cyprinus carpio, sampled from Bandar Anzali (1.56 ± 0.14 μg/g dw), and the minimum PTEs level was nickel (Ni) in Vimba from Astara (0.02 ± 0.01 μg/g d w). The rank order for PTEs based on THQ was mercury (Hg) > cadmium (Cd) > lead (Pb)> Ni > tin (Sn) > Total Cr. For adults, the fishes rank order based on TTHQ was: Cyprinus carpio (3.268) > Chelon saliens (2.89) > Rutilus frisii kutum kanesky (2.28) > Oncorhynchus mykis (1.39) > Vimba (0.25); and for children was Cyprinus carpio (15.25) > Chelon saliens (13.47) > Rutilus frisii kutum kanesky (10.63) > Oncorhynchus mykis (6.48) > Vimba (1.16). Overall this study showed that the levels of PTEs in investigated fish species had a potential non-carcinogenic risk for both children and adults (TTHQ>1).
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Affiliation(s)
- Ayub Ebadi Fathabad
- Social Determinants of Health Research Center, Department of Public Health, School of Health, Birjand University of Medical Science, Birjand, Iran
| | - Hossein Tajik
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
| | - Moslem Lari Najafi
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Khadijeh Jafari
- Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Amin Mousavi Khaneghah
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Yadolah Fakhri
- Food Health Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Van Nam Thai
- Ho Chi Minh City University of Technology (HUTECH) 475A, Dien Bien Phu, Ward 25, Binh Thanh District, Ho Chi Minh City, Vietnam
| | - Gea Oliveri Conti
- Environmental and Food Hygiene Laboratory, Department of Medical, Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, Catania, Italy.
| | - Mohammad Miri
- Non-communicable Diseases Research Center, Department of Environmental Health Engineering, Faculty of Health, Sabzevar University of Medical Sciences & Health Services, Sabzevar, Iran.
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Seixas LB, Conte-Junior CA, Dos Santos AFGN. How much fluctuating asymmetry in fish is affected by mercury concentration in the Guanabara Bay, Brazil? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:11183-11194. [PMID: 33118071 DOI: 10.1007/s11356-020-11240-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: 01/30/2020] [Accepted: 10/12/2020] [Indexed: 06/11/2023]
Abstract
This study aims to analyze if the fluctuating asymmetry (FA) of the Corocoro grunt Orthopristis ruber is affected by mercury concentration in Brazilian Southeastern eutrophicated bay. The O. ruber fishes were collected in two areas of the Guanabara Bay, Rio de Janeiro, Brazil: Vermelha Beach, influenced to ocean waters, and Paquetá Island, for greater freshwater loads of the rivers of the region, both in wet and dry seasons. Possibly availability of food resources, exposure to other pollutants and harmful agents (pesticide, algal toxicity, among others), and environmental and oceanographic factors may be reflecting on the FA detected for the O. ruber population. Mercury (Hg) is a harmful trace metal when present in the food, because of the high toxicity, high levels of absorption, and low excretion rate. Hg accumulates in human organisms through fish consumption, which may represent a risk to health. Analytical determinations of THg were performed by Direct Mercury Analyzer, following the manufacture's recommendations and following the procedure proposed by Guimarães et al. (Food Sci Nutr 4:398-408, 2015). No evidenced in the influence of THg on FA. In turn, the THg was significantly different between areas. Higher THg levels were found in O. ruber populations in the Vermelha Beach, with mean values of HgT 0.08 ± 0.01 mg/kg-1, and the Paquetá Island with HgT 0.05 ± 0.01 mg/kg-1. Likely higher THg on the Vermelha Beach occurred due to hydrodynamic factors, increasing the bioavailability of THg from the sediment and incorporated into the food web. This indicates that the higher THg levels in the outermost area of the Guanabara Bay can directly influence the bioaccumulation of this metal in the commercially important species present in this region, through the trophic chain because O. ruber constitutes an important part of the diet of themselves.
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Affiliation(s)
- Luana Barbosa Seixas
- Graduate Course in Ocean and Earth Dynamics, Fluminense Federal University (UFF), Av. General Milton Tavares de Souza, s/n, 4° andar, Campus da Praia Vermelha, Niterói, RJ, 24210-346, Brazil
| | - Carlos Adam Conte-Junior
- Department of Food Technology, Fluminense Federal University (UFF), Rua Vital Brasil, 64, Niterói, RJ, 24230340, Brazil
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Lombana Gómez MM, Lans Ceballos EE, Pinedo Hernández JJ. Concentraciones de mercurio en atún comercializado en Montería, Colombia: evaluación del riesgo en la salud. Rev Salud Publica (Bogota) 2021. [DOI: 10.15446/rsap.v23n2.85827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Objetivo El objetivo de este trabajo fue determinar la concentración de mercurio total (HgT) y metilmercurio (MeHg) en atún enlatado que se distribuye en la ciudad de Montería (Córdoba, Colombia).
Materiales y Métodos Se analizaron 160 muestras de cuatro marcas diferentes, identificadas como A, B, C y D y comercializadas de agosto a noviembre de 2017. Mensualmente se realizó un muestreo simple por atributo. El HgT y el MeHg fueron determinados usando un equipo DMA-80 (marca Milestone) y cromatógrafo de gases (Perkin Elmer Autosystem XL).
Resultados El promedio de HgT y MeHg fue 0,589 ± 0,163 y 0,536 ± 0,148 μg/g, respectivamente. La mayor concentración de HgT y MeHg en atún se presentó en la marca B (HgT: 0,792 ± 0,165; MeHg: 0,725 ± 0,127).
Conclusiones La evaluación del riesgo a la salud debido al consumo de atún enlatado, basado en la ingesta semanal estimada (ESI), sugiere que el consumo de atún de las diferentes marcas no asocia posibilidad de riesgo en la salud al grupo de adultos de la población (APG), al presentar valores por debajo de la ingesta semanal tolerable (3,2 μg/ kg/semana). Mientras que para los grupos de niños (N) y mujeres en edad fértil (MEF) representa riesgo para la salud el consumo del atún enlatado de la marca B, con la cual se superaría la ingesta semanal tolerable de 1,6 μg/kg/semana. Por lo tanto, se recomienda un monitoreo continuo de mercurio total y metilmercurio en atún enlatado.
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Charette T, Rosabal M, Amyot M. Mapping metal (Hg, As, Se), lipid and protein levels within fish muscular system in two fish species (Striped Bass and Northern Pike). CHEMOSPHERE 2021; 265:129036. [PMID: 33272671 DOI: 10.1016/j.chemosphere.2020.129036] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 05/15/2023]
Abstract
Current guidelines tend to limit fish consumption based on mercury (Hg) or monomethylmercury (MeHg) content in fish flesh, without considering the presence of antagonist chemical elements that could modulate Hg toxicity. However, it is difficult to assess the potential for antagonistic interactions of these elements since their covariation within muscle tissues is poorly known. Here we present the first study simultaneously mapping multiple metal(oid)s (Hg, As and Se), lipids and proteins in fish fillets in order to assess the magnitude of intra-organ variability of metals and the potential for antagonistic interactions. We mapped two fish species (Striped Bass and Northern Pike) with contrasting muscular structure with respect to the presence of white, intermediate and red muscles. In individual Striped Bass muscle tissues, metals varied on average by 2.2-fold. Methylmercury and selenium covaried strongly and were related to protein content as assessed by % N; arsenic was inversely related to these elements and was associated with the lipid fraction of the muscle. In Pike, no such relationship was found because the contents in proteins and lipids were less variable. Arsenic speciation revealed that arsenobetaine and arsenolipids were the only As species in those fish species, whereas the toxic inorganic As species (As3+) was under the detection limit. Arsenobetaine was related to % N, whereas arsenolipids covaried with % lipids. Elemental associations found with muscle lipids and proteins could help explain changes in bioaccumulation patterns within and between individuals with potential implications on fish toxicology, biomonitoring and human consumption guidelines.
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Affiliation(s)
- Tania Charette
- Groupe de Recherche Interuniversitaire en Limnologie (GRIL), Université de Montréal, Département de Sciences Biologiques, Complexe des Sciences, C.P., 6128, Succ. Centre-Ville, Montréal, Québec, H3C 3J7, Canada
| | - Maikel Rosabal
- Groupe de Recherche Interuniversitaire en Limnologie (GRIL), Département des Sciences Biologiques, Université Du Québec à Montréal (UQAM), 141 Avenue Du Président-Kennedy, Montreal, H2X1Y4, Canada
| | - Marc Amyot
- Groupe de Recherche Interuniversitaire en Limnologie (GRIL), Université de Montréal, Département de Sciences Biologiques, Complexe des Sciences, C.P., 6128, Succ. Centre-Ville, Montréal, Québec, H3C 3J7, Canada.
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Piras P, Bella A, Cossu M, Fiori G, Sanna A, Chessa G. A representative sampling of tuna muscle for mercury control. Ital J Food Saf 2020; 9:9055. [PMID: 33324587 PMCID: PMC7731886 DOI: 10.4081/ijfs.2020.9055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 09/25/2020] [Indexed: 11/23/2022] Open
Abstract
The mechanisms of mercury accumulation and distribution in fish tissues are related to its high affinity for sulfhydryl groups in proteins. There is evidence that mercury is distributed unevenly based on the different reactivity of these groups in the various muscle proteins. Tuna fish also shows numerous specialized anatomical features including the structure of the swimming muscles and some form of endothermy, which generates variations in the mercury content between dark and white muscle and between muscle tissues with different lipid content. The aim of the study is to verify, through a suitable sub lot of Thunnus thynnus caught by a static trap in south-western Sardinia, the effective uneven distribution of mercury in the various muscles and also identify the sites representative of the entire carcass. In agreement with other authors, the results show that even in the Bluefin tuna of the Mediterranean, the site "anterior extremity of upper loin (schienale in Italian)" is representative of the mercury average content of muscle tissues as a whole.
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Affiliation(s)
- Pierluigi Piras
- ATS Prevention, Department of Southern Sardinia (inspection of food products of animal origin), Cagliari
| | | | - Maurizio Cossu
- Istituto Zooprofilattico Sperimentale della Sardegna, Sassari, Italy
| | - Gianuario Fiori
- Istituto Zooprofilattico Sperimentale della Sardegna, Sassari, Italy
| | - Andrea Sanna
- Istituto Zooprofilattico Sperimentale della Sardegna, Sassari, Italy
| | - Giannina Chessa
- Istituto Zooprofilattico Sperimentale della Sardegna, Sassari, Italy
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Miedico O, Pompa C, Moscatelli S, Chiappinelli A, Carosielli L, Chiaravalle AE. Lead, cadmium and mercury in canned and unprocessed tuna: six-years monitoring survey, comparison with previous studies and recommended tolerable limits. J Food Compost Anal 2020. [DOI: 10.1016/j.jfca.2020.103638] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Sulimanec Grgec A, Kljaković-Gašpić Z, Orct T, Tičina V, Sekovanić A, Jurasović J, Piasek M. Mercury and selenium in fish from the eastern part of the Adriatic Sea: A risk-benefit assessment in vulnerable population groups. CHEMOSPHERE 2020; 261:127742. [PMID: 32745738 DOI: 10.1016/j.chemosphere.2020.127742] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/14/2020] [Accepted: 07/16/2020] [Indexed: 06/11/2023]
Abstract
The study examines the levels of total mercury (Hg) and selenium (Se) in the muscle tissue of 12 commercially important fish species (n = 717) from 48 locations in the eastern Adriatic Sea, as a function of fish species, size and habitat. Risks and benefits of fish consumption regarding Hg and Se in children (7 years) and women of reproductive age (30 years) were also evaluated. All samples but one were compliant with the European regulatory limit for Hg in fish muscle. Concentrations (μg g-1 ww) of Hg (range: 0.014-1.37) and Se (range: 0.184-1.12) and Se:Hg molar ratios in fish were associated with habitat type. Demersal species had the highest Hg and the lowest Se concentrations, while pelagic species had the lowest Hg concentrations, highest Se concentrations and Se:Hg molar ratios. All species had Se:Hg molar ratios above 1 (range: 1.4-66.9) and a selenium health benefit value (HBVSe) above zero (range: 3.3-9.3), indicating Se excess after Hg sequestration. The intake of two meals per week of small pelagic-neritic and bento-pelagic fish is estimated to be a valuable source of essential Se, and does not pose a risk from toxic Hg exposure in children and women during the vulnerable reproductive period. Due to the low Hg and favorable Se:Hg molar ratio and HBVSe index, small pelagic species offer a good risk to benefit ratio of fish consumption and could be considered an optimal choice in these sensitive subpopulations.
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Affiliation(s)
- Antonija Sulimanec Grgec
- Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia
| | - Zorana Kljaković-Gašpić
- Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia.
| | - Tatjana Orct
- Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia
| | - Vjekoslav Tičina
- Institute of Oceanography and Fisheries, Šetalište Ivana Meštrovića 63, 21000 Split, Croatia
| | - Ankica Sekovanić
- Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia
| | - Jasna Jurasović
- Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia
| | - Martina Piasek
- Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia
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Monteiro R, Vale C, Ferreira N, Silva P, Pereira E, Vaz-Pires P. Multi-elemental composition of white and dark muscles in swordfish. Food Chem 2020; 343:128438. [PMID: 33127231 DOI: 10.1016/j.foodchem.2020.128438] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 09/29/2020] [Accepted: 10/16/2020] [Indexed: 11/28/2022]
Abstract
Concentrations of 16 elements (K, Na, Mg, Ca, Fe, Zn, Hg, Se, As, Cu, Cd, Mn, Ni, Cr, Pb and Co) were determined in dorsal white and dark muscle of Xiphias gladius, sampled at various positions of a single swordfish and at the same position of eight specimens. Hg was quantified by thermal decomposition atomic absorption spectrometry (LECO AMA-254) and the rest of the elements by inductively coupled plasma optical emission spectrometry (ICP OES) or mass spectrometry (ICP MS). Element partitioning differed in dark and white muscle. Dark muscle was particularly enriched in Fe (median 13 times) and Cu (9) and moderately enhanced in Se, Mn, Zn and Cd (2.8-4.0). Dark:white ratios of the potentially toxic elements (As, Cr, Hg, Ni and Pb) varied from 0.9 to 1.4, pointing to a similar distribution between the two muscles types and indicating no additional risk in the consumption of dark muscle.
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Affiliation(s)
- Rui Monteiro
- Department of Chemistry and CESAM/REQUIMTE, University of Aveiro, Portugal; Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Matosinhos, Portugal.
| | - Carlos Vale
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Matosinhos, Portugal
| | - Nicole Ferreira
- Department of Chemistry and CESAM/REQUIMTE, University of Aveiro, Portugal
| | - Paula Silva
- Brasmar, Av. Ferreira Castro, 73, 4745-251 Trofa, Portugal
| | - Eduarda Pereira
- Department of Chemistry and CESAM/REQUIMTE, University of Aveiro, Portugal
| | - Paulo Vaz-Pires
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Matosinhos, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Portugal
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36
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Biotransformation fate and sustainable mitigation of a potentially toxic element of mercury from environmental matrices. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.06.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
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Seco J, Xavier JC, Bustamante P, Coelho JP, Saunders RA, Ferreira N, Fielding S, Pardal MA, Stowasser G, Viana T, Tarling GA, Pereira E, Brierley AS. Main drivers of mercury levels in Southern Ocean lantern fish Myctophidae. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 264:114711. [PMID: 32559867 DOI: 10.1016/j.envpol.2020.114711] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 06/11/2023]
Abstract
Myctophids are the most abundant fish group in the Southern Ocean pelagic ecosystem and are an important link in the Antarctic marine food web. Due to their major ecological role, evaluating the level of mercury (Hg) contamination in myctophids is important as a step towards understanding the trophic pathway of this contaminant. The concentrations of total Hg were determined in muscle, gill, heart and liver tissue of 9 myctophid species to quantify tissue partitioning variability between species. Organic Hg concentration and proportion in muscle was also determined. Hg concentrations were higher in the liver and heart than in muscle and gills, but the proportion of organic Hg was almost 100% in muscle, indicating that the main uptake route for Hg is through the diet. Most of the species analysed have similar vertical and horizontal distributions, and similar feeding modes and prey. Geographical and temporal variability of Hg concentrations was examined using samples from 3 different sampling cruise (2007/08, 2015/16 and 2016/17) and 2 locations (South Georgia and South Orkneys Islands). Our results appear to indicate a decreasing trend in Hg contamination over the last decade, particularly gill tissue, which is in agreement with a previous study on squid from the same region. There was no significant variability in Hg concentration between the different sampling locations. Hg levels were consistent with values reported previously for myctophids around the world, indicating low global-scale geographic variability. A positive relationship between fish size and Hg concentration was found for most species, with the exception of Electrona antarctica females, which may be explained through Hg elimination by egg laying. We estimate that myctophids collectively comprise a Southern Ocean mercury 'reserve' of ≈1.82 metric tonnes.
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Affiliation(s)
- José Seco
- Department of Chemistry and CESAM/REQUIMTE, University of Aveiro, 3810-193, Aveiro, Portugal; Pelagic Ecology Research Group, Scottish Oceans Institute, Gatty Marine Laboratory, University of St Andrews, St Andrews, KY16 8LB, Scotland, UK.
| | - José C Xavier
- British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge, CB3 0ET, UK; MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Paco Bustamante
- Institut Universitaire de France (IUF), 1 rue Descartes, 75005, Paris, France
| | - João P Coelho
- Department of Biology and CESAM, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Ryan A Saunders
- British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
| | - Nicole Ferreira
- Department of Chemistry and CESAM/REQUIMTE, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Sophie Fielding
- British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
| | - Miguel A Pardal
- CFE - Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Gabriele Stowasser
- British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
| | - Thainara Viana
- Department of Chemistry and CESAM/REQUIMTE, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Geraint A Tarling
- British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
| | - Eduarda Pereira
- Department of Chemistry and CESAM/REQUIMTE, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Andrew S Brierley
- Pelagic Ecology Research Group, Scottish Oceans Institute, Gatty Marine Laboratory, University of St Andrews, St Andrews, KY16 8LB, Scotland, UK
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Norhazirah AA, Shazili NAM, Kamaruzzaman Y, Sim SF, Ahmad A, Ong MC. HEAVY METALS IN TUNA SPECIES MEAT AND POTENTIAL CONSUMER HEALTH RISK: A REVIEW. ACTA ACUST UNITED AC 2020. [DOI: 10.1088/1755-1315/494/1/012013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Ormaza-González FI, Ponce-Villao GE, Pin-Hidalgo GM. Low mercury, cadmium and lead concentrations in tuna products from the eastern Pacific. Heliyon 2020; 6:e04576. [PMID: 32760843 PMCID: PMC7393419 DOI: 10.1016/j.heliyon.2020.e04576] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/07/2020] [Accepted: 07/24/2020] [Indexed: 01/28/2023] Open
Abstract
Tuna species: Skipjack (Katsuwonus pelamis), yellowfin (Thunnus albacares) and bigeye (Thunnus obesus) are mainly processed into canned products (loins, solid pack, flakes) either in water or oil, and pre-cooked frozen loins. The National Institute of Fisheries of Ecuador (ISO/IEC 17025 certified), which is the official control laboratory, samples and analyses production batches of companies exporting to the European Union in order to ensure the quality control of Ecuadorean tuna product. From 2009 to 2016, 2572 samples have been analysed (by standard methods) for mercury, cadmium, and lead. The averages were 0.24 ± 0.14; 0.03 ± 0.03 and 0.05 ± 0.05 mg kg-1 (wet weight) respectively; which are well below the norms; i.e., total mercury: 1 mg kg-1; Lead: 0.3 mg kg-1 and Cadmium: 0.1 mg kg-1 according to the EU maximum limits. Over time mercury levels in the sample seemed to decrease but for cadmium and lead no clear pattern was observed. Additionally; samples of tuna can products taken at random from local vendor stores gave concentrations of: Mercury: 0.043 ± 0.004 mg kg-1; Cadmium: 0.012 ± 0.002 mg kg-1; Lead: below detection limit (0.01 mg kg-1). There were a few cases (15 out of 2572: 0.58%) of samples with readings near or just over-limit concentrations; of these, 12 corresponded to Cd, two to Pb and one to Hg. Some of them can be considered statistical outliers as well as cross contamination during analytical procedures. Raw tuna samples have given similar or lower concentrations. No significant statistical correlation was found between Hg, Cd and Pb values, this would suggest that the bioaccumulation of each metal is independent of each other. Literature reports that surface dissolved Hg, Cd, and Pb in the eastern Pacific are in the range of 2-18 ng kg-1. Assuming suggested bioaccumulation of 2-6 times, the end concentration in the tuna would be 0.012-0.042; 0.036-0.108 and 0.010-0.027 μg kg-1 of Hg, Cd, and Pb respectively, that would be one order (or more) below the safe consumption limit. Most, if not all the tuna processed in Ecuador is captured in the eastern Pacific and within its EEZ. Ecuadorian canned tuna complies with stringent standards for presence of these metals; therefore, it can be considered safe to be consumed from the point of view of these metal concentrations. However, further studies should assess metal concentrations exclusively from Ecuadorian tuna captured close to coastal and insular areas.
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Affiliation(s)
- Franklin Isaac Ormaza-González
- ESPOL Polytechnic University, Escuela Superior Politécnica del Litoral, ESPOL (Faculty of Maritime Engineering and Marine Sciences, FIMMC), Campus Gustavo Galindo Km 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador
| | - Gabriela Estefanía Ponce-Villao
- ESPOL Polytechnic University, Escuela Superior Politécnica del Litoral, ESPOL (Faculty of Maritime Engineering and Marine Sciences, FIMMC), Campus Gustavo Galindo Km 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador
- Instituto Nacional de Pesca del Ecuador, Letamendi 101y La Ría, Guayaquil, Ecuador
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Bille L, Crovato S, Manfrin A, Dalla Pozza M, Toson M, Franzago E, Pinto A, Mascarello G, Muzzolon O, Tosi F, Negroni G, Cappi G, Obregon P, Ravarotto L, Binato G. Mercury contents in commercial Billfish species of the Western Central Atlantic: Assessing the potential risks to human health of Billfish consumption. Food Control 2020. [DOI: 10.1016/j.foodcont.2019.107002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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41
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Moura Reis Manhães B, de Souza Picaluga A, Bisi TL, de Freitas Azevedo A, Torres JPM, Malm O, Lailson-Brito J. Tracking mercury in the southwestern Atlantic Ocean: the use of tuna and tuna-like species as indicators of bioavailability. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:6813-6823. [PMID: 31873906 DOI: 10.1007/s11356-019-07275-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 12/03/2019] [Indexed: 06/10/2023]
Abstract
Mercury is a trace element that is potentially dangerous due its high toxicity and tendency to bioaccumulate in organisms. Currently, high mercury concentrations are seen in the environment especially due climate changes. Studies regarding mercury bioavailability in the southwestern Atlantic Ocean using tuna and tuna-like species are rare. The aim of the present study was to use tuna and tuna-like species (Thunnus atlanticus, Thunnus albacares, Katsuwonus pelamis, Euthynnus alletteratus, Coryphaena hippurus and Sarda sarda) as indicators of the availability of total mercury (THg) in oceanic food webs of the southwestern Atlantic Ocean. THg concentrations varied significantly among species for both muscle and liver (Kruskal-Wallis test; H5,130 = 52.7; p < 0.05; H5,130 = 50.1; p < 0.05, respectively). The lowest concentrations were found in C. hippurus (0.008 mg kg-1 wet weight in the muscle and 0.003 mg kg-1 wet weight in the liver), and the highest concentrations were reported in the muscle of T. atlanticus (1.3 mg kg-1 wet weight) and in the liver of S. sarda (2.5 mg kg-1 wet weight). The continued monitoring of tuna and tuna-like species is necessary to assist in their conservation since tuna can be sentinels of mercury pollution.
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Affiliation(s)
- Bárbara Moura Reis Manhães
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Profa. Izabel Gurgel" (MAQUA), Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, sala 4002, 20550-013, Maracanã, Rio de Janeiro, RJ, Brazil.
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373 Sala G0-61, Rio de Janeiro, RJ, 21941-902, Brazil.
| | - Alice de Souza Picaluga
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Profa. Izabel Gurgel" (MAQUA), Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, sala 4002, 20550-013, Maracanã, Rio de Janeiro, RJ, Brazil
| | - Tatiana Lemos Bisi
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Profa. Izabel Gurgel" (MAQUA), Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, sala 4002, 20550-013, Maracanã, Rio de Janeiro, RJ, Brazil
| | - Alexandre de Freitas Azevedo
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Profa. Izabel Gurgel" (MAQUA), Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, sala 4002, 20550-013, Maracanã, Rio de Janeiro, RJ, Brazil
| | - João Paulo Machado Torres
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373 Sala G0-61, Rio de Janeiro, RJ, 21941-902, Brazil
| | - Olaf Malm
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373 Sala G0-61, Rio de Janeiro, RJ, 21941-902, Brazil
| | - José Lailson-Brito
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Profa. Izabel Gurgel" (MAQUA), Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, sala 4002, 20550-013, Maracanã, Rio de Janeiro, RJ, Brazil
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Piras P, Assaretti A, Fiori G, Sanna A, Chessa G. A case study on the development of representative sampling procedure to determine mercury levels in a lot of tuna caught by static trap. Ital J Food Saf 2019; 8:8165. [PMID: 31897397 PMCID: PMC6912146 DOI: 10.4081/ijfs.2019.8165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 09/25/2019] [Indexed: 11/23/2022] Open
Abstract
Mercury contamination in fish products, and in large pelagic predatory fish in particular, is a remarkable food safety issue that affects fish industry. A lot made up by Bluefin tunas caught at Porto Paglia - in the south-western coast of Sardinia - was subject to several sessions of fish meat official sampling, as disputable results of mercury level determination suggested a potential non-compliance to maximum allowable limit. Local competent Veterinary Service reviewed the sampling procedure introducing more rigorous details including the identification of a specific muscular portion as sampling site, after having taken into account both statutory provisions laid down by Regulation (EC) No 333/2007 and available scientific evidence on variables affecting uneven distribution of mercury across tuna carcasses. This case-study aims to provide an initial contribution in order to ensure an appropriate and representative field sampling protocol of tuna lots that are to be analysed for mercury content.
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Affiliation(s)
- Pierluigi Piras
- Health Protection Service of Sardinia, Southern Prevention Department, Cagliari
| | - Antonio Assaretti
- Health Protection Service of Sardinia, Southern Prevention Department, Cagliari
| | - Gianuario Fiori
- Environmental Chemistry and Toxicology Laboratory, Zooprophylactic Institute of Sardinia, Sassari, Italy
| | - Andrea Sanna
- Environmental Chemistry and Toxicology Laboratory, Zooprophylactic Institute of Sardinia, Sassari, Italy
| | - Giannina Chessa
- Environmental Chemistry and Toxicology Laboratory, Zooprophylactic Institute of Sardinia, Sassari, Italy
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Alcala-Orozco M, Caballero-Gallardo K, Olivero-Verbel J. Mercury exposure assessment in indigenous communities from Tarapaca village, Cotuhe and Putumayo Rivers, Colombian Amazon. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:36458-36467. [PMID: 31728948 DOI: 10.1007/s11356-019-06620-x] [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: 05/21/2019] [Accepted: 09/25/2019] [Indexed: 06/10/2023]
Abstract
Mercury (Hg) is a complex and multifaceted global pollutant. Artisanal and small-scale gold mining activities are largely responsible for Hg contamination in developing countries, in many cases impacting areas of high biodiversity such as the Amazon. The aim of the study was to establish Hg exposure in indigenous citizens from the Tarapaca village, Cotuhe and Putumayo Rivers, at the Colombian Amazon. Total Hg (T-Hg) concentrations were measured employing a DMA-80 Hg analyzer. For that purpose, 190 hair samples were taken from volunteers living in different communities of Tarapaca. The overall mean T-Hg level for all samples was 10.6 ± 0.4 μg/g, with values ranging from 0.61 to 31.1 μg/g. The mean T-Hg level decreased in the order Puerto Huila > Puerto Ticuna > Ventura > Nueva Union > Buenos Aires > Santa Lucia > Puerto Nuevo > Caña Brava > Pupuña. Based on recommendations from the United States Environmental Protection Agency (US EPA), 99.5% of the samples exceeded the maximum level of 1.0 μg/g. Hg content in human hair was significantly associated with fish consumption (ρ = 0.253; p < 0.001). According to the health survey, at least 24.7% of the volunteers manifested some signs and symptoms of Hg poisoning. In short, these data support the extensive Hg exposure in the environment of the Colombian Amazon, a process that could be impacting the quality of life of its vulnerable indigenous groups. Immediate actions must be taken by competent authorities to protect these communities from Hg poisoning.
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Affiliation(s)
- Maria Alcala-Orozco
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130015, Colombia
| | - Karina Caballero-Gallardo
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130015, Colombia
| | - Jesus Olivero-Verbel
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130015, Colombia.
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de Almeida Rodrigues P, Ferrari RG, Dos Santos LN, Conte Junior CA. Mercury in aquatic fauna contamination: A systematic review on its dynamics and potential health risks. J Environ Sci (China) 2019; 84:205-218. [PMID: 31284912 DOI: 10.1016/j.jes.2019.02.018] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 01/21/2019] [Accepted: 02/14/2019] [Indexed: 05/27/2023]
Abstract
Mercury is an important pollutant, released into aquatic ecosystems both naturally and by anthropogenic action. This element is transferred to aquatic organisms in different ways, causing potential health risks. In addition, mercury can be accumulated by humans, especially through the consumption of contaminated food. This systematic review aims to present mercury pathways, the major routes through which this element reaches the aquatic environment and its transformations until becoming available to living animals, leading to bioaccumulation and biomagnification phenomena. The key biotic and abiotic factors affecting such processes, the impact of mercury on animal and human health and the issue of seafood consumption as a source of chronic mercury contamination are also addressed. A total of 101 articles were retrieved from a standardized search on three databases (PubMed, Emabse, and Web of Science), in addition to 28 other studies not found on these databases but considered fundamental to this review (totaling 129 articles). Both biotic and abiotic factors display fundamental importance in mediating mercurial dynamics, i.e., muscle tropism, and salinity, respectively. Consequently, mercurial contamination in aquatic environments affects animal health, especially the risk of extinction species and also on human health, with methylmercury the main mercury species responsible for acute and chronic symptomatology.
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Affiliation(s)
- Paloma de Almeida Rodrigues
- Molecular and Analytical Laboratory Center, Department of Food Technology, Faculty of Veterinary, Universidade Federal Fluminense, Niterói, Brazil
| | - Rafaela Gomes Ferrari
- Molecular and Analytical Laboratory Center, Department of Food Technology, Faculty of Veterinary, Universidade Federal Fluminense, Niterói, Brazil; Chemistry Institute, Food Science Program, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luciano Neves Dos Santos
- Laboratory of Theoretical and Applied Ichthyology, Department of Ecology and Marine Resources, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Carlos Adam Conte Junior
- Molecular and Analytical Laboratory Center, Department of Food Technology, Faculty of Veterinary, Universidade Federal Fluminense, Niterói, Brazil; Chemistry Institute, Food Science Program, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; National Institute of Health Quality Control, Fundaçãeo Oswaldo Cruz, Rio de Janeiro, Brazil.
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45
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Engineered cells for selective detection and remediation of Hg2+ based on transcription factor MerR regulated cell surface displayed systems. Biochem Eng J 2019. [DOI: 10.1016/j.bej.2019.107289] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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46
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Jinadasa BKKK, Chathurika GS, Jayasinghe GDTM, Jayaweera CD. Mercury and cadmium distribution in yellowfin tuna ( Thunnus albacares) from two fishing grounds in the Indian Ocean near Sri Lanka. Heliyon 2019; 5:e01875. [PMID: 31193986 PMCID: PMC6545362 DOI: 10.1016/j.heliyon.2019.e01875] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 04/02/2019] [Accepted: 05/29/2019] [Indexed: 11/17/2022] Open
Abstract
Mercury (Hg) and cadmium (Cd) are contaminants of great environmental concern due to their natural and anthropogenic origin, their ability of bioaccumulate through the food chain and their harmful effects on human health. In this study, the Hg and Cd accumulation in the muscle of 65 yellowfin tuna (Thunnus albacares) collected from two different catching sites of the Indian Ocean near Sri Lanka were evaluated. The samples were mineralized using microwave accelerated digestion, and the metals were detected by atomic absorption spectroscopy (AAS). The metal levels were not significantly different between the two sites (p > 0.05), and the average Hg and Cd concentrations were 0.48 ± 0.35 mg/kg and 0.017 ± 0.024 mg/kg, (wet weight basis) respectively. Only 6 (9.2%) and 2 samples (3.1%) exceeded the European Commission limits for Hg (1 mg/kg) and Cd (0.01 mg/kg), respectively. A comparatively strong positive correlation was observed between the THg concentration and the weight of the fish. However, there was no clear relationship between the concentration and size for Cd. These findings provide an understanding of the Hg and Cd distribution in yellowfin tuna in two fishing grounds in the Indian Ocean near Sri Lanka.
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Affiliation(s)
- B K K K Jinadasa
- Analytical Chemistry Laboratory (ACL), National Aquatic Resources Research & Development Agency (NARA), Colombo-15, Sri Lanka
| | - G S Chathurika
- Analytical Chemistry Laboratory (ACL), National Aquatic Resources Research & Development Agency (NARA), Colombo-15, Sri Lanka
| | - G D T M Jayasinghe
- Analytical Chemistry Laboratory (ACL), National Aquatic Resources Research & Development Agency (NARA), Colombo-15, Sri Lanka
| | - C D Jayaweera
- Department of Chemistry, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
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Miranda-Andrades JR, Khan S, Toloza CA, Maciel RM, Escalfoni R, Tristão MLB, Aucelio RQ. Speciation and ultra trace determination of mercury in produced waters from offshore drilling operations using portable instrumentation and matrix-matching calibration. Microchem J 2019. [DOI: 10.1016/j.microc.2019.02.045] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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48
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Azevedo LS, Pestana IA, Nery AFDC, Bastos WR, Souza CMM. Influence of the flood pulse on mercury accumulation in detritivorous, herbivorous and omnivorous fish in Brazilian Amazonia. ECOTOXICOLOGY (LONDON, ENGLAND) 2019; 28:478-485. [PMID: 31025154 DOI: 10.1007/s10646-019-02044-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/09/2019] [Indexed: 06/09/2023]
Abstract
Hg accumulation in fish is influenced by several factors including seasonality. In the Amazon, ecosystems are marked by strong seasonal variation in precipitation, which leads to drastic changes in the water level of lakes and rivers. The aim of this study was to evaluate Hg levels in muscle of detritivorous, herbivorous and omnivorous fish from an Amazon lake (Madeira River Basin, Amazonas, Brazil) over four seasons (rising water, high water, falling water and low water). We hypothesized that total Hg concentration varies during the seasons. The results indicate that total Hg levels in detritivorous fish were higher in rising and low water seasons while in herbivorous and omnivorous fish the total Hg concentration was higher during the rising water season. The hypothesis was supported by the results. Additionally, the study provides evidence that Hg levels in fish with different feeding habits are influenced by the flood pulse of the Amazon region.
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Affiliation(s)
- Lucas Silva Azevedo
- Laboratório de Ciências Ambientais, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, Rio de Janeiro, RJ, CEP: 28013-602, Brazil.
| | - Inácio Abreu Pestana
- Laboratório de Ciências Ambientais, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, Rio de Janeiro, RJ, CEP: 28013-602, Brazil
| | | | - Wanderley Rodrigues Bastos
- Laboratório de Biogeoquímica Ambiental, Universidade Federal de Rondônia, Porto Velho, RO, CEP: 76815-800, Brazil
| | - Cristina Maria Magalhães Souza
- Laboratório de Ciências Ambientais, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, Rio de Janeiro, RJ, CEP: 28013-602, Brazil
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Liu M, Lu X, Khan A, Ling Z, Wang P, Tang Y, Liu P, Li X. Reducing methylmercury accumulation in fish using Escherichia coli with surface-displayed methylmercury-binding peptides. JOURNAL OF HAZARDOUS MATERIALS 2019; 367:35-42. [PMID: 30594015 DOI: 10.1016/j.jhazmat.2018.12.058] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 11/10/2018] [Accepted: 12/17/2018] [Indexed: 06/09/2023]
Abstract
Seafood consumption is widely considered as the primary route for human exposure to the neurotoxin methylmercury (MeHg) that is produced by certain anaerobic microorganisms and can bioaccumulate to high concentration levels in natural aquatic food webs. In this study, a novel methylmercury-binding peptide with seven amino acids was displayed on the cell surfaces of Escherichia coli strain W-1, which was isolated from fish feces and fused with ice nucleation protein. These cells exhibited high affinity and selectivity toward methylmercury. They efficiently removed more than 96% of 12 μM methylmercury, and accumulation of methylmercury in the engineered strain was four times higher than that in the wild type. Transmission electron microscopy confirmed methylmercury accumulation on cell membranes. Carassius auratus was fed by engineered bacteria, which showed a decrease in methylmercury concentration in muscles of about 36.3 ± 0.7%; whereas an increase in methylmercury concentration was observed in the feces (36.7 ± 0.8%) in comparison to the control group. The engineered strain in the gut captured methylmercury and prevented it's absorption by muscles, while some bacteria with methylmercury were excreted in the feces. The surface-engineered E. coli effectively protected fish from methylmercury contamination.
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Affiliation(s)
- Minrui Liu
- Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Xia Lu
- Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China; Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Aman Khan
- Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Zhenmin Ling
- Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Peng Wang
- Key laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu province and State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Yu Tang
- Key laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu province and State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Pu Liu
- Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Xiangkai Li
- Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China.
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Annibaldi A, Truzzi C, Carnevali O, Pignalosa P, Api M, Scarponi G, Illuminati S. Determination of Hg in Farmed and Wild Atlantic Bluefin Tuna ( Thunnus thynnus L. ) Muscle. Molecules 2019; 24:molecules24071273. [PMID: 30939866 PMCID: PMC6480458 DOI: 10.3390/molecules24071273] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 03/22/2019] [Accepted: 03/26/2019] [Indexed: 11/16/2022] Open
Abstract
Mercury (Hg) is a well-known toxic element, diffused in the environment, especially in the Mediterranean Sea which is rich in cinnabar deposits. Mercury bioaccumulation in fish is of great concern, especially for top-level aquatic predators (e.g., shark, tuna, swordfish) and above all for species of large human consumption and high nutritional value. This work aimed to determine Hg concentrations in farmed and wild Atlantic Bluefin tuna (Thunnus thynnus) caught in the Mediterranean area in order to evaluate the level of Hg bioaccumulation. selenium (Se) content was also determined, since this element is an antagonist of mercury toxicity. Mercury and Se were analysed by atomic absorption spectrometry after microwave digestion of the samples. Hg content in farmed tuna was below the legal limit (1 mg/kg, wet weight, w.w.) for all specimens (0.6 ± 0.2 mg/kg), whereas the wild ones had a content over the limit (1.7 ± 0.6 mg/kg); Se concentration was higher in farmed specimens (1.1 ± 0.9 mg/kg) compared to wild ones (0.6 ± 0.3 mg/kg). A safe seafood could show a Se/Hg ratio >1 and a health benefit value (HBVSe) > 0: farmed tuna had higher values than the wild specimens (Se/Hg 5.48 vs. 1.32; HBVSe 11.16 vs. 0.29). These results demonstrate that for Hg, there is a better risk/benefit ratio in farmed T. thynnus. making it safer than wild tuna.
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Affiliation(s)
- Anna Annibaldi
- Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Cristina Truzzi
- Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Oliana Carnevali
- Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | | | - Martina Api
- Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Giuseppe Scarponi
- Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
| | - Silvia Illuminati
- Dipartimento di Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.
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