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Title: Bacterial properties changing under Triton X-100 presence in the diesel oil biodegradation systems : from surface and cellular changes to mono- and dioxygenases activities
Authors: Sałek, Karina
Kaczorek, Ewa
Guzik, Urszula
Zgoła-Grześkowiak, Agnieszka
Keywords: Hexadecane monooxygenases; Catechol 2,3-dioxygenase; Cell surface hydrophobicity; Biodegradation; Fatty acids; Triton X-100; Zeta potential
Issue Date: 2015
Citation: Environmental Science and Pollution Research, Vol. 22, (2015), s. 4305-4315
Abstract: Triton X-100, as one of the most popular surfactants used in bioremediation techniques, has been reported as an effective agent enhancing the biodegradation of hydrocarbons. However efficient, the surfactant’s role in different processes that together enable the satisfying biodegradation should be thoroughly analysed and verified. In this research, we present the interactions of Triton X-100 with the bacterial surfaces (hydrophobicity and zeta potential), its influence on the enzymatic properties (considering mono- and dioxygenases) and profiles of fatty acids, which then all together were compared with the biodegradation rates. The addition of various concentrations of Triton X-100 to diesel oil system revealed different cell surface hydrophobicity (CSH) of the tested strains. The results demonstrated that for Pseudomonas stutzeri strain 9, higher diesel oil biodegradation was correlated with hydrophilic properties of the tested strain and lower Triton X-100 biodegradation. Furthermore, an increase of the branched fatty acids was observed for this strain.
DOI: 10.1007/s11356-014-3668-z
ISSN: 0944-1344
Appears in Collections:Artykuły (WNP)

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