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Semai, Annela; Plewniak, Frédéric; Charrié-Duhaut, Armelle; Sayeh, Amalia; Gil, Lisa; Vandecasteele, Céline; Lopez-Roques, Céline; Leize-Wagner, Emmanuelle; Bensalah, Farid; Bertin, Philippe N.
Antonie van Leeuwenhoek, 04/2021, Letnik: 114, Številka: 4Journal Article
A novel bacterial strain was isolated from industrially contaminated waste water. In the presence of crude oil, this strain was shown to reduce the rate of total petroleum hydrocarbons (TPH) up to 97.10% in 24 h. This bacterium was subsequently identified by 16S rRNA gene sequence analysis and affiliated to the Serratia genus by the RDP classifier. Its genome was sequenced and annotated, and genes coding for catechol 1,2 dioxygenase and naphthalene 1,2-dioxygenase system involved in aromatic hydrocarbon catabolism, and LadA - type monooxygenases involved in alkane degradation, were identified. Gas Chromatography-Mass Spectrometry (GC–MS) analysis of crude oil after biological treatment showed that Serratia sp. Tan611 strain was able to degrade n-alkanes (from C 13 to C 25 ). This bacterium was also shown to produce a biosurfactant, the emulsification index (E24) reaching 43.47% and 65.22%, against vegetable and crude oil, respectively. Finally, the formation of a biofilm was increased in the presence of crude oil. These observations make Serratia sp. Tan611 a good candidate for hydrocarbon bioremediation.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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