Crude petroleum-oil biodegradation efficiency of Bacillus subtilis and Pseudomonas aeruginosa strains isolated from a petroleum-oil contaminated soil from North-East India

Das, Kishore ; Mukherjee, Ashis K. (2007) Crude petroleum-oil biodegradation efficiency of Bacillus subtilis and Pseudomonas aeruginosa strains isolated from a petroleum-oil contaminated soil from North-East India Bioresource Technology, 98 (7). pp. 1339-1345. ISSN 09608524

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Official URL: http://doi.org/10.1016/j.biortech.2006.05.032

Related URL: http://dx.doi.org/10.1016/j.biortech.2006.05.032

Abstract

The efficiency of Bacillus subtilis DM-04 and Pseudomonas aeruginosa M and NM strains isolated from a petroleum contaminated soil sample from North-East India was compared for the biodegradation of crude petroleum-oil hydrocarbons in soil and shake flask study. These bacterial strains could utilize crude petroleum-oil hydrocarbons as sole source of carbon and energy. Bioaugmentation of TPH contaminated microcosm with P. aeruginosa M and NM consortia and B. subtilis strain showed a significant reduction of TPH levels in treated soil as compared to control soil at the end of experiment (120 d). P. aeruginosa strains were more efficient than B. subtilis strain in reducing the TPH content from the medium. The plate count technique indicated expressive growth and biosurfactant production by exogenously seeded bacteria in crude petroleum-oil rich soil. The results showed that B. subtilis DM-04 and P. aeruginosa M and NM strains could be effective for in situ bioremediation.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Ltd.
Keywords:Bacillus subtilis, Biodegradation, Bioremediation, Biosurfactant, Polyaromatic hydrocarbon (PAH), Pseudomonas aeruginosa, Total petroleum hydrocarbon (TPH)
ID Code:126898
Deposited On:13 Oct 2022 08:09
Last Modified:13 Oct 2022 08:09

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