In vivo oxidative stress responses of the freshwater basket clam Corbicula javanicus to microplastic fibres and particles

Esterhuizen Maranda; Buchenhorst Lucille; Kim Young JunPflugmacher Stephan

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In vivo oxidative stress responses of the freshwater basket clam Corbicula javanicus to microplastic fibres and particles

机译：In vivo oxidative stress responses of the freshwater basket clam Corbicula javanicus to microplastic fibres and particles

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Microplastics have been detected in several aquatic organisms, especially bivalves such as clams, oysters, and mussels. To understand the ecotoxicological implication of microplastic accumulation in biota, it is crucial to investigate effects at the physiological level to identify knowledge gaps regarding the threat posed to the environment and assist decision-makers to set the necessary priorities. Typically, xenobiotics elicit an overproduction of reactive oxygen species in organisms, resulting in oxidative stress and cellular damage when not combated by the antioxidative system. Therefore, the present study aimed to establish the impacts of microplastic particles and fibres on the freshwater basket clam Corbicula javanicus. We measured the oxidative stress responses following microplastic exposure as the specific activities of the antioxidative enzymes glutathione Stransferase and catalase. When exposed to polyester fibres from the fleece jackets, the enzyme activities increased in the clams, while the enzyme activities decreased with high-density polyethylene microplastic fragments from bottle caps. All the exposures showed that the adverse effects on the antioxidative response system were elicited, indicating the negative ecotoxicological implications of microplastic pollution.

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《Chemosphere》 |2022年第6期|134037.1-134037.6|共6页
作者
Esterhuizen Maranda; Buchenhorst Lucille; Kim Young JunPflugmacher Stephan;
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作者单位

Univ Helsinki, Fac Biol & Environm Sci, Ecosyst & Environm Res Programme, Niemenkatu 73, Lahti 15140, Finland|Helsinki Inst Sustainabil Sci HELSUS, Fabianinkatu 33, Helsinki 00014, Finland|Univ Saarland, Joint Lab Appl Ecotoxicol, Environm Safety Grp, Kor;

Tech Univ Berlin, Inst Ecol, Chair Ecol Impact Res & Ecotoxicol, Ernst Reuter Platt 1, D-10587 Berlin, Germany|Stockholm Univ, Dept Ecol Environm & Plant Sci, Svante Arrhenius Vag 20A, S-11418 Stockholm, Sweden;

Univ Saarland, Joint Lab Appl Ecotoxicol, Environm Safety Grp, Korea Inst Sci & Technol Europe KIST Europe Forsc, Campus E7 1, D-66123 Saarbrucken, GermanyUniv Manitoba, Clayton H Riddell Fac Environm Earth & Resources, Wallace Bldg,125 Dysart Rd, Winnipeg, MB R3T 2N2, Canada;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
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关键词
Microplastic; Microfibres; Microplastic particles; Clams; Glutathione S-Transferase; Catalase; Corbicula javanicus;

In vivo oxidative stress responses of the freshwater basket clam Corbicula javanicus to microplastic fibres and particles

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