Biosurfactants of Rhodococcus erythropolis IMV Ас-5017: synthesis intensification and practical application

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dc.contributor.authorPirog, Tatiana
dc.contributor.authorSofіlkanich (Morozova), Anna
dc.contributor.authorShulyakova, Mariya
dc.contributor.authorShevchuk, Tetiana
dc.date.accessioned2014-10-29T11:05:24Z
dc.date.available2014-10-29T11:05:24Z
dc.date.issued2013
dc.description.abstractIntensification of the surfactant synthesis by Rhodococcus erythropolis IMV Ac-5017 on different substrates, including industrial waste, as well as the use of surfactant preparations for oil degradation were studied. It was established that the addition of fumarate (0.2 %) and citrate (0.1 %) into the medium with ethanol, n-hexadecane, or glycerol (1–2 %) was accompanied by an increase of conditional surfactant concentration by 1.5–1.7 times compared to the indexes in the medium without organic acids. The intensification of surfactant synthesis in the presence of fumarate and citrate is caused by the increased activity of isocitrate lyase (by 1.2–15-fold) and enzymes of the surfactant biosynthesis (by 2–4.8-fold) compared to their activity in the medium without precursors. The possibility of surfactant synthesis intensification (by 3–4-fold) while cultivating of R. erythropolis IMV Ac-5017 in the medium with oil containing substrates (2 %) and glucose (0.1 %) was shown. The introduction of 0.01 mM Cu2+ in the exponential growth phase of strain IMV Ac-5017 in the medium with ethanol accompanied by the increasing conditional surfactant concentration by 1.9 times. The highly efficient remediation (92–95 %) of oil (2–2.6 g/L) and Cu2+ polluted water after treatment with surfactant preparations (native cultural liquid) at low concentrations (5 %) was determined.uk_UA
dc.identifier.citationBiosurfactants of Rhodococcus erythropolis IMV Ас-5017: synthesis intensification and practical application / T. P. Pirog, A. P. Sofylkanich, T. A. Shevchuk, M. A. Shulyakova // Applied Biochemistry and Biotechnology. – 2013. − Vol. 170, № 4. − P. 880−894.uk_UA
dc.identifier.urihttps://dspace.nuft.edu.ua/handle/123456789/17779
dc.language.isootheruk_UA
dc.subjectrhodococcus erythropolis IМВ Ac-5017uk_UA
dc.subjectповерхнево-активні речовиниuk_UA
dc.subjectінтенсифікація біосинтезуuk_UA
dc.subjectповерхностно-активные веществаuk_UA
dc.subjectинтенсификация биосинтезаuk_UA
dc.subjectsurfactantuk_UA
dc.subjectbiosynthesis intensificationuk_UA
dc.subjectкафедра біотехнології і мікробіології
dc.titleBiosurfactants of Rhodococcus erythropolis IMV Ас-5017: synthesis intensification and practical applicationuk_UA
dc.typeArticleuk_UA

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