alexa Biodegradation of Phenolic and Polycyclic Aromatic Compounds by Some Algae and Cyanobacteria
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
Open Access

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Research Article

Biodegradation of Phenolic and Polycyclic Aromatic Compounds by Some Algae and Cyanobacteria

Mostafa M El-Sheekh1*, MM Ghareib2 and GW Abou-EL-Souod2
1Botany Department, Faculty of Science, Tanta University, Tanta, Egypt
2Botany Department, Faculty of Science, Menoufia University, Egypt
Corresponding Author : Mostafa M. El-Sheekh
Botany Department, Faculty of Science
Tanta University, Tanta, Egypt
Fax: 20-40-3350804
E-mail: [email protected]
Received November 07, 2011; Accepted December 06, 2011; Published December 08, 2011
Citation: EI-Sheekh MM, Ghareib MM, EL-Souod GW A (2011) IBiodegradation of Phenolic and Polycyclic Aromatic Compounds by Some Algae and Cyanobacteria. J Bioremed Biodegrad 2:133. doi: 10.4172/2155-6199.1000133
Copyright: © 2011 EI-Sheekh MM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

In this work, the oxidation of phenolic compounds was accompanied by shift in the wavelength and change in the colour such as the oxidation of phenol to catechol by Volvox aureus, Nostoc Linckia and Oscillatoria rubescens . The oxidation of β-naphthol by Volvox aureus, Lyngbya lagerlerimi and Nostoc linckia , and the oxidation of catechol by Chlorella vulgaris and V. aureus were suggested. The degradation of polycyclic aromatic hydrocarbons by different algae seems to be related to the molecular structures of the compound and physiological metabolism of the algae. The highest percentage of degradation of naphthalene by N. linckia after 7 days was 47.71%, while the highest percentage of degradation of anthracene by E. viridis after 7 days was 92.28%. The highest percentage of degradation of 2-methythie 3-phenyl quinazlin-4- 3H (one) by V. aureus after 7 days was 83.39%, and the highest percentage of degradation of 2- phenyl 3,1benzexazin-4 one by E. viridis after 7 days was 79.74%. The obtained results suggest that microbial biodegradation of pollutants can be used to clean up contaminated environments. Biotreatment of wastes using living organisms is an environmentally friendly, relatively simple and cost-effective alternative to physico-chemical processes.

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