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Antioxidant responses of the mussel Mytilus coruscus co-exposed to ocean acidification, hypoxia and warming
- Khan, F. U. (author)
- Chen, H. (author)
- Gu, H. (author)
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- Wang, T. (author)
- Kong, H. (author)
- Shang, Y. (author)
- Wang, X. (author)
- Lu, W. (author)
- Hu, M. (author)
- Wang, Y. (author)
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- (creator_code:org_t)
- Elsevier BV, 2021
- 2021
- English.
- In: Marine Pollution Bulletin. - : Elsevier BV. - 0025-326X. ; 162:January
- Journal article (peer-reviewed)
Abstract
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- In the present study, the combined effects of pH, dissolved oxygen (DO) and temperature levels on the antioxidant responses of the mussel Mytilus coruscus were evaluated. Mussels were exposed to two pH (8.1, 7.7-acidification), two DO (6 mg L−1, 2 mg L−1-hypoxia) and two temperature levels (20 °C, 30 °C-warming) for 30 days. SOD, CAT, MDA, GPx, GSH, GST, TAOC, AKP, ACP, GPT, AST levels were measured in the gills of mussels. All tested biochemical parameters were altered by these three environmental stressors. Values for all the test parameters except GSH first increased and then decreased at various experimental treatments during days 15 and 30 as a result of acidification, hypoxia and warming. GSH content always increased with decreased pH, decreased DO and increased temperature. PCA showed a positive correlation among all the measured biochemical indexes. IBR results showed that M. coruscus were adversely affected by reduced pH, low DO and elevated temperature. © 2020 Elsevier Ltd
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Keyword
- Antioxidant enzyme
- Hypoxia
- Ocean acidification
- Oxidative stress
- Thermal stress
- Acidification
- Antioxidants
- Dissolved oxygen
- Anti-oxidant response
- Biochemical parameters
- Elevated temperature
- Environmental stressors
- Increased temperature
- Ocean acidifications
- Positive correlations
- Temperature level
- Molluscs
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- ref (subject category)
- art (subject category)
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- Khan, F. U.
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- Shang, Y.
- Wang, X.
- Lu, W.
- Hu, M.
- Wang, Y.
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- NATURAL SCIENCES
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- University of Gothenburg
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