Cadmium and copper toxicity in three marine macroalgae: evaluation of the biochemical responses and DNA damage

Marine macroalgae have evolved a different mechanism to maintain physiological concentrations of essential metal ions and non-essential metals. The objective of the present work was to evaluate the antioxidant response and DNA damage of copper and cadmium ions in three halophytes, namely, Acanthopho...

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Veröffentlicht in:	Environmental science and pollution research international 2014, Vol.21 (16), p.9604-9616
Hauptverfasser:	Babu, M. Yokesh, Palanikumar, L, Nagarani, N, Devi, V. Janaki, Kumar, S. Ramesh, Ramakritinan, C. M, Kumaraguru, A. K
Format:	Artikel
Sprache:	eng
Schlagworte:	Acanthophora Acanthophora spicifera Algae Antioxidants Apoptosis Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Bioaccumulation Bioassays Biodegradability Biodegradation Bioindicators Cadmium Cadmium - chemistry Cadmium - toxicity catalase Catalase - metabolism Cell death Chaetomorpha Chaetomorpha antennina Coasts Copper Copper - chemistry Copper - toxicity Deoxyribonucleic acid DNA DNA Damage Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Enzymes Free Radicals glutathione Glutathione - metabolism Glutathione peroxidase Halophytes Heavy metals Indicator species ions Lipid peroxidation Lipids macroalgae Marine organisms Marine pollution Metal concentrations Metal ions Metals Metals - chemistry Metals - toxicity Oxidation-Reduction Oxidative Stress Pollutants pollution Polymers Reactive Oxygen Species Research Article Seaweed - drug effects Seaweeds Superoxide Dismutase - metabolism Toxicity Ulva Ulva - metabolism Ulva reticulata Waste Water Technology Water Management Water Pollutants, Chemical - chemistry Water Pollutants, Chemical - toxicity Water Pollution Control
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Zusammenfassung:	Marine macroalgae have evolved a different mechanism to maintain physiological concentrations of essential metal ions and non-essential metals. The objective of the present work was to evaluate the antioxidant response and DNA damage of copper and cadmium ions in three halophytes, namely, Acanthophora spicifera, Chaetomorpha antennina, and Ulva reticulata. Accumulation of copper was significantly higher (P C. antennina. DNA damage index analysis supported that copper was significantly (P
ISSN:	0944-1344 1614-7499
DOI:	10.1007/s11356-014-2999-0