Toxicity mechanisms of arsenic compounds in aquatic organisms
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Title
- Toxicity mechanisms of arsenic compounds in aquatic organisms
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Author(s)
- Byeon, Eunjin; Kang, Hye Min; Yoon, Cheolho; Lee, Jae-Seong
- KIOST Author(s)
- Kang, Hye Min(강혜민)
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Alternative Author(s)
- 강혜민
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Publication Year
- 2021-08
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Abstract
- Arsenic is a toxic metalloid that is widely distributed in the environment due to its persistence and accumulative properties. The occurrence, distribution, and biological effects of arsenic in aquatic environments have been extensively studied. Acute and chronic toxicities to arsenic are associated with fatal effects at the individual and molecular levels. The toxicity of arsenic in aquatic organisms depends on its speciation and concentration. In aquatic environments, inorganic arsenic is the dominant form. While trivalent arsenicals have greater toxicity compared with pentavalent arsenicals, inorganic arsenic can assume a variety of forms through biotransformation in aquatic organisms. Biotransformation mechanisms and speciation of arsenic have been studied, but few reports have addressed the relationships among speciation, toxicity, and bioavailability in biological systems. This paper reviews the modes of action of arsenic along with its toxic effects and distribution in an attempt to improve our understanding of the mechanisms of arsenic toxicity in aquatic organisms. © 2021 Elsevier B.V.
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ISSN
- 0166-445X
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/42186
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DOI
- 10.1016/j.aquatox.2021.105901
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Bibliographic Citation
- AQUATIC TOXICOLOGY, v.237, 2021
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Publisher
- Elsevier B.V.
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Subject
- FRESH-WATER FISH; MULTIDRUG-RESISTANCE PROTEINS; GLUTATHIONE-S-TRANSFERASE; OXIDATIVE STRESS; HEAVY-METALS; TROPHIC TRANSFER; MYTILUS-EDULIS; SPECIATION; EXPOSURE; BIOACCUMULATION
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Keywords
- Arsenic; toxicity; arsenic speciation; biotransformation; aquatic organism
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Type
- Article
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Language
- English
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Document Type
- Article
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