Acta Scientific Microbiology (ISSN: 2581-3226)

Research Article Volume 6 Issue 3

Hydrocarbonoclastic Bacteria and Polycyclic Aromatic Hydrocarbon Profile of Surface Water in Borikiri Wetlands, Port Harcourt, Nigeria

Benibo N*, Obire O, Douglas SI and Nrior RR

Department of Microbiology, Faculty of Science, Rivers State University, Nkpolu-Oroworukwo, Port Harcourt, Nigeria

*Corresponding Author: Benibo N, Department of Microbiology, Faculty of Science, Rivers State University, Nkpolu-Oroworukwo, Port Harcourt, Nigeria.

Received: January 5, 2023; Published: February 10, 2023

Abstract

The presence of Polycyclic Aromatic Hydrocarbons (PAHs) in territorial water is of great concern due to the carcinogenicity. In this study, monthly collection of surface water from four artisanal petroleum marketing points was made from November 2019 - October 2020 using standard methods. Hydrocarbon utilizing (Hydrocarbonoclastic) bacteria were isolated by vapour phase transfer method using mineral salts medium, isolates were identified based on cultural, morphological and biochemical characteristics. The mean HUB count was 1.2 x 104 cfuml-1. The HUB isolates were Pseudomonas, 12.4%; Chromobacterium, 1.8%; Serratia, 5.3%; Corynebacterium, 6.25%; Escherichia, 12.1%; Bacillus, 12.4%; Staphylococcus, 10.6%; Micrococcus, 3.5%; Citrobacter, 7.1%; Enterobacter, 3.5%; Acinetobacter, 3.5%; Alcaligens, 4.4%; Nocardia, 3.5%; Streptococcus, 6.2%; and Shigella. 6.2%. The PAHs level in the surface water samples were determined used Gas Chromatography - Flame Ionization Detector, GC-FID. The PAHs level observed was a mean of 0.004mgl-1 which is below the EU permissible limit of 0.007mgl-1; which can be attributed to activities of the polycyclic aromatic hydrocarbon mineralizing bacteria present as a natural consortium in the ecosystem. If the presence of these strains of bacteria continues in the ecosystem, the continual stability of the ecosystem can be ensured. This study reveals a natural bacterial consortium that can degrade PAH in the surface water within a short time.

Keyword: Wetland; Crude Oil Pollution; Hydrocarbonclastic Bacteria; PAHs; Borikiri

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Citation

Citation: Benibo N., et al. “Hydrocarbonoclastic Bacteria and Polycyclic Aromatic Hydrocarbon Profile of Surface Water in Borikiri Wetlands, Port Harcourt, Nigeria". Acta Scientific Microbiology 6.3 (2023): 41-45.

Copyright

Copyright: © 2022 Benibo N., 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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