Effects of Chronic Exposure to Silver Nanoparticles on Ruditapes decussatus Gills Using Biochemical Markers
2017
Hidouri, Slah | Ensibi, Chérif | Landoulsi, Ahmed | Daly-Yahia, Mohamed Néjib
Nanoparticles are among the particular materials produced by industrial activities; the release of these nanoparticles in natural ecosystems interacts with living organisms. Aquatic environment is the most common estuary waste medium for industrial and all human activities, the consequences may be highly effective on sea food species. Moreover, the potential in situ reduction of metallic ions by preexistent agents leads to nanoparticles which may cause hazardous effects. Many organisms become at risk especially those that use gills during respiration process such as bivalves. The study undertaken investigates the potential effect of silver nanoparticles obtained by green synthesis method on the gills of Ruditapes decussatus as a model. Nanoparticles have been synthesized using Ceratonia siliqua fruit extract as a reducing agent. The organisms have been chronically exposed to silver nanoparticles and the effects were biochemically evaluated. The tests performed show a typical behavior of catalase, glutathione reductase, and glutathione S-transferase activities that give information about the oxidative stress-induced malondialdehyde quantification, which reveals a possible membranous deterioration of the gills. Acetylcholinesterase expression has been qualified to be at a safe rate which implies the capacity of the animal to protect the cholinergic system.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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