Abstract
Abstract Pseudomanas alcaligenes is a Gram-negative soil bacteria which has the potential to degrade hydrocarbons including aromatic compounds. The biodegradation of a representative oxyethylated fatty alcohol by the PA strain under static model conditions with a surfactant as a sole source of organic carbon was investigated. Polydispersal oxyethylated dodecanol C12E10 is biodegraded by the bacterial P. alcaligenes strain of following two alternative pathways: central fission with formation of poly(ethylene glycols) or ω-oxidation of an oxyethylene chain with the formation of carboxyl end group and intermediate aldehyde group. Shorter homologues of polydispersal mixture C12E10 are faster biodegraded and the mixture is enriched with longer homologues.
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