Pollution impact on metal and biomarker responses in intestinal cytosol of freshwater fish
© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..
In the present study, essential and nonessential metal content and biomarker responses were investigated in the intestine of fish collected from the areas polluted by mining. Our objective was to determine metal and biomarker levels in tissue responsible for dietary intake, which is rarely studied in water pollution research. The study was conducted in the Bregalnica River, reference location, and in the Zletovska and Kriva Rivers (the Republic of North Macedonia), which are directly influenced by the active mines Zletovo and Toranica, respectively. Biological responses were analyzed in Vardar chub (Squalius vardarensis; Karaman, 1928), using for the first time intestinal cytosol as a potentially toxic cell fraction, since metal sensitivity is mostly associated with cytosol. Cytosolic metal levels were higher in fish under the influence of mining (Tl, Li, Cs, Mo, Sr, Cd, Rb, and Cu in the Zletovska River and Cr, Pb, and Se in the Kriva River compared to the Bregalnica River in both seasons). The same trend was evident for total proteins, biomarkers of general stress, and metallothioneins, biomarkers of metal exposure, indicating cellular disturbances in the intestine, the primary site of dietary metal uptake. The association of cytosolic Cu and Cd at all locations pointed to similar pathways and homeostasis of these metallothionein-binding metals. Comparison with other indicator tissues showed that metal concentrations were higher in the intestine of fish from mining-affected areas than in the liver and gills. In general, these results indicated the importance of dietary metal pathways, and cytosolic metal fraction in assessing pollution impacts in freshwater ecosystems.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Environmental science and pollution research international - 30(2023), 23 vom: 13. Mai, Seite 63510-63521 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Filipović Marijić, Vlatka [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 12.05.2023 Date Revised 12.05.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s11356-023-26844-2 |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Pollution impact on metal and biomarker responses in intestinal cytosol of freshwater fish |
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| 520 | |a In the present study, essential and nonessential metal content and biomarker responses were investigated in the intestine of fish collected from the areas polluted by mining. Our objective was to determine metal and biomarker levels in tissue responsible for dietary intake, which is rarely studied in water pollution research. The study was conducted in the Bregalnica River, reference location, and in the Zletovska and Kriva Rivers (the Republic of North Macedonia), which are directly influenced by the active mines Zletovo and Toranica, respectively. Biological responses were analyzed in Vardar chub (Squalius vardarensis; Karaman, 1928), using for the first time intestinal cytosol as a potentially toxic cell fraction, since metal sensitivity is mostly associated with cytosol. Cytosolic metal levels were higher in fish under the influence of mining (Tl, Li, Cs, Mo, Sr, Cd, Rb, and Cu in the Zletovska River and Cr, Pb, and Se in the Kriva River compared to the Bregalnica River in both seasons). The same trend was evident for total proteins, biomarkers of general stress, and metallothioneins, biomarkers of metal exposure, indicating cellular disturbances in the intestine, the primary site of dietary metal uptake. The association of cytosolic Cu and Cd at all locations pointed to similar pathways and homeostasis of these metallothionein-binding metals. Comparison with other indicator tissues showed that metal concentrations were higher in the intestine of fish from mining-affected areas than in the liver and gills. In general, these results indicated the importance of dietary metal pathways, and cytosolic metal fraction in assessing pollution impacts in freshwater ecosystems | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Dietborne metals | |
| 650 | 4 | |a Intestinal cytosol | |
| 650 | 4 | |a Metallothioneins | |
| 650 | 4 | |a Mining-impacted rivers | |
| 650 | 4 | |a Total cytosolic proteins | |
| 650 | 4 | |a Vardar chub | |
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| 650 | 7 | |a Water Pollutants, Chemical |2 NLM | |
| 650 | 7 | |a Metals, Heavy |2 NLM | |
| 700 | 1 | |a Krasnići, Nesrete |e verfasserin |4 aut | |
| 700 | 1 | |a Valić, Damir |e verfasserin |4 aut | |
| 700 | 1 | |a Kapetanović, Damir |e verfasserin |4 aut | |
| 700 | 1 | |a Vardić Smrzlić, Irena |e verfasserin |4 aut | |
| 700 | 1 | |a Jordanova, Maja |e verfasserin |4 aut | |
| 700 | 1 | |a Rebok, Katerina |e verfasserin |4 aut | |
| 700 | 1 | |a Ramani, Sheriban |e verfasserin |4 aut | |
| 700 | 1 | |a Kostov, Vasil |e verfasserin |4 aut | |
| 700 | 1 | |a Nastova, Rodne |e verfasserin |4 aut | |
| 700 | 1 | |a Dragun, Zrinka |e verfasserin |4 aut | |
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