ArticleEnvironmental monitoring and assessment2017
Variation in oxidative stress indices of two green seaweeds growing under different heavy metal stresses.
Article in Environmental monitoring and assessment, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 29 citations in OpenAlex.
- Acute copper stress showed toxic effects on the physiological metabolism of Ulva lactuca, a common green macroalgae.Scientific reports · 2024Article
- Nutritional, bioactive compounds content, and antioxidant activity of brown seaweeds from the Red Sea.Frontiers in nutrition · 2023Article
- Time-Dependent Toxicity and Health Effects Mechanism of Cadmium to Three Green Algae.International journal of environmental research and public health · 2022Article
- Seaweed as bioindicators of organic micropollutants polycyclic aromatic hydrocarbons (PAHs) and organochlorine pesticides (OCPs).Environmental science and pollution research international · 2022Article
- Efficacy of two seaweeds dry mass in bioremediation of heavy metal polluted soil and growth of radish (Raphanus sativus L.) plant.Environmental science and pollution research international · 2021Article
- Halogen content relative to the chemical and biochemical composition of fifteen marine macro and micro algae: nutritional value, energy supply, antioxidant potency, and health risk assessment.Environmental science and pollution research international · 2021Article
- MAPK Pathway under Chronic Copper Excess in Green Macroalgae (Chlorophyta): Involvement in the Regulation of Detoxification Mechanisms.International journal of molecular sciences · 2019Article
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Concentrations of nine heavy metals (Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, and Zn) were determined in the green seaweed species Cladophora glomerata and Ulva compressa collected from El-Mex and Sidi Kirayr locations. The heavy metal concentrations in algal tissues were in direct correlation with their soluble concentrations in seawater with the descending order: Fe<Mn<Zn<Cu<Cr<Pb<Ni<Cd<Co. The bioaccumulation factor of iron and copper was higher in both tested species collected from El-Mex, while it was maximum for cadmium in Sidi Kirayr location. This metal contamination led to apparent alternation in algal thalli morphology. The results showed that C. glomerata had a superior adaptation to metal stress than U. compressa, due to its ability to produce non-enzymatic and enzymatic compounds for scavenging of the produced reactive oxygen species. The recorded contents of the oxidative stress indices (phenols, antioxidant activity, lipid peroxidation, hydrogen peroxide, and ascorbic acid) and the antioxidant enzymes (catalase, peroxidase, and superoxide dismutase) were higher in both tested seaweeds from El-Mex bay. Additionally, the estimated metal pollution index and pollution load index for the tested algae and seawaters ensured their ability as metal pollution bioindicators for monitoring marine environment quality and as biomarkers for oxidative damage assessment.
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