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isolation of a bacterial consortium capable of degrading diesel oil and improve the efficiency of the degradation by the addition of a biosurfactant from bacillus subtilis spbl
isolation of a bacterial consortium capable of degrading diesel oil and improve the efficiency of the degradation by the addition of a biosurfactant from bacillus subtilis spbl
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机译：通过添加枯草芽孢杆菌中的生物表面活性剂，分离出能够降解柴油并提高降解效率的细菌聚生体
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摘要
oil contamination is one of the major problems which are harmful to the environment. the use of microorganisms having the ability to damage the hydrocarbons are a quite promising. in this context, we have isolated three strains of bacteria with the ability to damage the diesel.molecular typing showed that it is lysinibacillus bronitolerans ri18 (kf964487); bacillus thuringiensis ri16 (kml 11604) and bacillus weihenstephanensis ir12 (km094930). a lipopeptide biosurfactant which was trying to enhance the biodegradation of diesel by the project.the biodegradation in the presence and absence of 0, 1, biosurafctant of spbl and when co inoculated with bacillus subtilis spbl show improved biodegradation effect of biosurfactant. in fact, an improvement of the biodegradation of some 38.42% and 12.19% in medium liquid and soil contaminated with diesel fuel, respectively, was recorded in presence of 0 1% biosurfactant. also, improvements to the biodegradation of some 49.65 and 15.35% were obtained, respectively, for the water and the soil in the case of the spbl co inoculation with b. subtilis.the analysis of residual diesel oil by gas chromatography is in favour of the gravimetric results. these results suggest the applicability of the project, as well as the biosurfactant of bps for the bioremediation of environments contaminated with diesel fuel.
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