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Title: Occurrence and Growth Potentials of Hydrocarbon-Degrading Bacteria on the Phylloplane of Some Tropical Plants
Authors: Ilori, Matthew O.
Amund, Olukayode O.
Ezeani, Chika J.
Omoijiahina, Sarah
Adebusoye, Sunday A.
Keywords: Tropical plants
Bacillus sp
Issue Date: 3-Apr-2006
Publisher: Academic Journals (Kenya)
Citation: Ilori, M.O., Amund, O.O., Ezeani, C.J., Omoijiahina, S. and Adebusoye, S.A. (2006) Occurrence and Growth Potentials of Hydrocarbon-Degrading Bacteria on the Phylloplane of Some Tropical Plants. African Journal of Biotechnology 5(7), 542-545.
Abstract: The surface of leaf samples from ten tropical plants, Anthocleista, Sarcophrynium, Canna, Colocassia, Musa, Cola, Citrus, Mangifera, Terminalia and Annona were cultured for the estimation of total heterotrophic and hydrocarbon utilizing bacteria. The total heterotrophic bacteria ranged from 0.75 x 107 to 098 x 107 (cfu/cm2) while the hydrocarbon utilisers ranged from 0.86 x 106 to 2.12 x 166 (cfu/cm2). The percentages of hydrocarbon degraders were highest on Mangifera and lowest on Colocassia. Hydrocarbon degraders identified as Acinetobacter, Flavobacterium, and Micrococcus were obtained. Most of the organisms grew well on diesel. Pseudomonas sp grew luxuriantly on diesel and kerosene while Bacillus sp did not grow on kerosene. Optimal growth on the hydrocarbon occurred between the 8th and 14th day. It was therefore concluded that bacteria with ability to utilize hydrocarbons could be obtained from leaf surfaces. Such organisms could serve as seeds for bioaugmentation during remediation of polluted environments.
ISSN: 1684–5315
Appears in Collections:Research Articles

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