Assessment of the influence of confounding factors (weight, salinity) on the response of biomarkers in the estuarine polychaete Nereis diversicolor

Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
J KalmanC Amiard-Triquet

Abstract

The influences of salinity and body size on biochemical (activities of glutathione-S-transferase, lactate dehydrogenase (LDH), acetylcholinesterase and digestive enzymes amylase and CMCase), physiological (feeding and egestion rates, energy reserves) and behavioural (burrowing speed) biomarkers were examined in the infaunal polychaete Nereis diversicolor. Only a few biomarkers were affected, including increased egestion rate and activities of CMCase and LDH at higher salinity, and higher egestion rate in larger worms. These findings reinforce the status of N. diversicolor as a robust sentinel species for estuaries which are environments that are particularly productive but also particularly at risk.

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Citations

Jun 22, 2016·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Adília PiresRosa Freitas
Feb 8, 2020·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Bruno NunesAlberto Teodorico Correia
Mar 12, 2021·Marine Pollution Bulletin·Sofiene Tlili, Catherine Mouneyrac

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