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Biodegradation of fluoranthene by a newly isolated strain of Bacillus stratosphericus from Mediterranean seawater of the Sfax fishing harbour, Tunisia.
Hentati, Dorra; Chebbi, Alif; Loukil, Slim; Kchaou, Sonia; Godon, Jean-Jacques; Sayadi, Sami; Chamkha, Mohamed.
Afiliación
  • Hentati D; Laboratory of Environmental Bioprocesses, Centre of Biotechnology of Sfax, LMI COSYS-Med, University of Sfax, PO Box 1177, 3018, Sfax, Tunisia.
  • Chebbi A; Laboratory of Environmental Bioprocesses, Centre of Biotechnology of Sfax, LMI COSYS-Med, University of Sfax, PO Box 1177, 3018, Sfax, Tunisia.
  • Loukil S; Laboratory of Environmental Bioprocesses, Centre of Biotechnology of Sfax, LMI COSYS-Med, University of Sfax, PO Box 1177, 3018, Sfax, Tunisia.
  • Kchaou S; Laboratory of Environmental Bioprocesses, Centre of Biotechnology of Sfax, LMI COSYS-Med, University of Sfax, PO Box 1177, 3018, Sfax, Tunisia.
  • Godon JJ; Laboratory INRA of Environmental Biotechnology, Avenue des Etangs, F-11100, Narbonne, France.
  • Sayadi S; Laboratory of Environmental Bioprocesses, Centre of Biotechnology of Sfax, LMI COSYS-Med, University of Sfax, PO Box 1177, 3018, Sfax, Tunisia.
  • Chamkha M; Laboratory of Environmental Bioprocesses, Centre of Biotechnology of Sfax, LMI COSYS-Med, University of Sfax, PO Box 1177, 3018, Sfax, Tunisia. mohamed.chamkha@cbs.rnrt.tn.
Environ Sci Pollut Res Int ; 23(15): 15088-100, 2016 Aug.
Article en En | MEDLINE | ID: mdl-27083911
A physico-chemical characterization of seawater taken from the fishing harbour of Sfax, Tunisia, revealed a contamination by organic and inorganic micropollutants. An aerobic marine halotolerant Bacillus stratosphericus strain FLU5 was isolated after enrichment on fluoranthene, a persistent and toxic polycyclic aromatic hydrocarbon (PAH). GC-MS analyses showed that strain FLU5 was capable of degrading almost 45 % of fluoranthene (100 mg l(-1)), without yeast extract added, after 30 days of incubation at 30 g l(-1) NaCl and 37 °C. In addition, the isolate FLU5 showed a remarkable capacity to grow on a wide range of aliphatic, aromatic and complex hydrocarbons. This strain could also synthesize a biosurfactant which was capable of reducing the surface tension of the cell-free medium, during the growth on fluoranthene. The biodegradative abilities of PAHs are promising and can be used to perform the bioremediation strategies of seawaters and marine sediments contaminated by hydrocarbons.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Agua de Mar / Bacillus / Fluorenos Límite: Animals País/Región como asunto: Africa Idioma: En Revista: Environ Sci Pollut Res Int Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2016 Tipo del documento: Article País de afiliación: Túnez Pais de publicación: Alemania
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Agua de Mar / Bacillus / Fluorenos Límite: Animals País/Región como asunto: Africa Idioma: En Revista: Environ Sci Pollut Res Int Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2016 Tipo del documento: Article País de afiliación: Túnez Pais de publicación: Alemania