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Can thiol compounds be used as biomarkers of aquatic ecosystem contamination by cadmium?

Can thiol compounds be used as biomarkers of aquatic ecosystem contamination by cadmium?

Due to anthropogenic activities, heavy metals still represent a threat for various trophic levels. If aquatic animals are exposed to heavy metals we can obviously observe considerable toxicity. It is well known that an organism affected by cadmium (Cd) synthesize low molecular mass thiol compounds rich in cysteine (Cys), such as metallothioneins (MT) and glutathione (GSH/GSSG). The aim of this study was to summarize the effect of Cd on level of thiol compounds in aquatic organisms, and evaluate that the concentrations of thiol compounds are effective indicators of Cd water pollution and explain their potential use in biomonitoring applications.

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Toxins produced in cyanobacterial water blooms - toxicity and risks

different trophic levels from the eutrophic Lake Chaohu, China. Environmental Toxicology   20 : 293-300. Yoshida T, Makita Y, Nagata S, Tsutsumi T, Yoshida F, Sekijima M, Tamura SI, and Ueno Y. (1997) Acute oral toxicity of microcystin-LR, a cyanobacterial hepatotoxin, in mice. Natural Toxins   5 : 91-95. Yu SZ. (1995) Primary Prevention of Hepatocellular-Carcinoma. Journal of Gastroenterology and Hepatology   10 : 674-682. Zhou L, Yu H, and Chen K. (2002) Relationship between microcystin in

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Determination of lotaustralin in Rhodiola species

(12):616-8. 17. Rojas MG, Morales-Ramo JA. Tri-trophic level impact of host plant linamarin and lotaustralin on Tetranychus urticae and its predator Phytoseiulus persimilis. J Chem Ecol 2010; 36:1354-1362. 18. Nyirenda DB, Chiwona-Karltun L, Chitundu M, Haggblade S, Brimer L. Chemical safety of cassava products in regions adopting cassava production and processing - Experience from Southern Africa, Food Chem Toxic 2011; 49:607-612. 19. Burns AE, Howard Bradbury J, Cavagnaro TR, Gleadow RM. Total cyanide content of cassava food products in

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