Degradative and antimicrobial potentials of Bacillus species isolated from water samples and contaminated soil in Ado-Ekiti metropolis, Nigeria

Ekundayo, F. O. and Ekundayo, E. A. and Omoyeni, B.O and Osibote, I.A. (2014) Degradative and antimicrobial potentials of Bacillus species isolated from water samples and contaminated soil in Ado-Ekiti metropolis, Nigeria. Egyptian Academic Journal of Biological Sciences, 6 (1). pp. 91-97. ISSN 2090-0872

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Abstract

This study investigated the ability of Bacillus species isolated from soil and water samples to degrade some petroleum products and pesticides as well as its ability antimicrobial potency against selected pathogens. Bacillus species were isolated from soil collected from dumping site and water samples from Ado-Ekiti, Nigeria on Luria Bertani agar. The biodegradative and antimicrobial activities of the isolates were conducted using minimal nutrient medium and agar well diffusion methods respectively. Commercial antibiotics were used as positive control. All the Bacillus isolates showed varied degree of degradation on petroleum products and pesticides. Only B. polymyxa showed antimicrobial activity against Staphylococcus aureus with zone of inhibition of 18.00mm. The commercial antibiotics were most inhibitory to most of the test pathogens in varying degrees.The isolates can be used in mitigating pollution caused by oil spillage and overuse or abusive use of herbicides and fungicides. However, these isolates are not good candidate as antibacterial agents for the selected test pathogens.

Item Type: Article
Uncontrolled Keywords: Antimicrobial, pesticides Petroleum products Biodegradation
Subjects: Q Science > Q Science (General)
Q Science > QR Microbiology
R Medicine > R Medicine (General)
R Medicine > RA Public aspects of medicine
Divisions: Faculty of Medicine, Health and Life Sciences > School of Biological Sciences
Depositing User: Mr Tayo Okunlola
Date Deposited: 11 Aug 2016 11:41
Last Modified: 11 Aug 2016 11:41
URI: http://eprints.abuad.edu.ng/id/eprint/1175

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