Biosorption efficacy of living and non-living algal cells of Microcystis aeruginosa to toxic metals


  • Eman A. ALWALEED South Valley University, Faculty of Science, Department of Botany and Microbiology, Qena 83523 (EG)
  • Arafat A. ABDEL LATEF Taif University, Turabah University College, Department of Biology, Turabah Branch, P.O. Box 11099, Taif 21944 (SA)
  • Mostafa EL-SHEEKH Tanta University, Faculty of Science, Department of Botany and Microbiology, Tanta (EG)



antioxidant enzymes; bioremediation; microcystis; X-ray


The existence of metallic elements in the aquatic environment is recognized to cause acute destruction to aqueous life. This study depicts the prospective application of cyanobacterial strains of Microcystis aeruginosa as a sorption material of toxic elements, aluminium (Al), and cadmium (Cd) from aqueous solutions. Algal samples were revealed to the metal solution, a noticeable modification change in cell wall structure surface occurred. The Fourier-transform infrared (FTIR) analysis illustrated the reality of carboxyl, carbonyl, and hydroxyl moieties, which are liable for the uptake of essential and nonessential elements aluminium and cadmium, respectively. The results showed the ability of Microcystis aeruginosa to uptake Al and Cd at the optimal temperature, light, and pH by living and non-living cells in the concentration of 20 ppm and stimulated antioxidant resistance against oxidative stress. This finding divulged that Microcystis could be utilized as an efficient bio-sorbent for the elimination of these ions, especially Cd from freshwater.


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How to Cite

ALWALEED, E. A., ABDEL LATEF, A. A., & EL-SHEEKH, M. (2021). Biosorption efficacy of living and non-living algal cells of Microcystis aeruginosa to toxic metals. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 49(1), 12149.



Research Articles
DOI: 10.15835/nbha49112149