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Ahmed Bensoltane
Ahmed Bensoltane
Algeria
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Research Article
Enhancement of Hydrocarbons Degradation by Use of PseudomonasBiosurfactants and Biofilms
Author(s): Amina Meliani and Ahmed BensoltaneAmina Meliani and Ahmed Bensoltane
Biofilm-mediated bioremediation presents a proficient alternative to bioremediation with planktonic microorganisms and are generally associated with microbial hydrocarbons resistance or tolerance. Here we report on the ability of three species of Pseudomonas biofilm-associated cells (P. fluorescens, P. putida and P. aeruginosa) to degrade gasoline (hydrocarbon mixtures), xylene and benzene (monoaromatic compounds) and cyclohexane (cyclic compounds). Changes in biofilm formation and siderophores production were monitored in the presence of different concentrations of benzene and xylene. All strains were able to synthesize biosurfactant compounds and were able to tolerate aromatic hydrocarbon more than the cyclic compounds. Our results indicated that hydrocarbon mixture or gasoline could be better biodegraded by bacterial consortia; P. aeruginosa exhibited the best tolerance to gasoline.. View More»
DOI: 10.4172/2157-7463.1000168