ABSTRACTPetroleum-derived hydrocarbons are among the most persistent soil contaminants, and some hydrocarbondegrading microorganisms can produce biosurfactants to increase bioavailability and degradation. The aim of this work was to identify biosurfactant-producing bacterial strains isolated from hydrocarboncontaminated sites, and to evaluate their biosurfactant properties. The drop-collapse method and minimal agar added with a layer of combustoleo were used for screening, and positive strains were grown in l…
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