Article (Scientific journals)
Bio-emulsifying and biodegradation activities of syringafactin producing Pseudomonas spp. strains isolated from oil contaminated soils
Zouari, O.; Lecouturier, D.; Rochex, A. et al.
2019In Biodegradation, 30 (4), p. 259-272
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Keywords :
Biodegradation; Bioemulsifier; Biosurfactant; Lipopeptide; Pseudomonas; Bacteria; Biomolecules; Bioremediation; Emulsification; Mass spectrometry; Soil pollution; Surface active agents; Thin layer chromatography; Bio surfactant; Biosurfactant production; Hydrocarbon bioremediation; Lipopeptides; MALDI-TOF mass spectrometry; Oil contaminated soil; Pseudomonas putida group; Biodegradation, Environmental; Hydrocarbons; Petroleum; Soil; Surface-Active Agents
Abstract :
[en] Pseudomonas strains isolated from oil contaminated soils were screened for biosurfactant production. Three out of eleven Pseudomonas isolates were selected for their high emulsifying activity (E24 value on n-hexadecane ~ 78%). These isolates (E39, E311 and E313) were identified as members of the P. putida group using phenotypical methods and a molecular approach. To identify the chemical nature of produced biosurfactants, thin layer chromatography and MALDI-ToF mass spectrometry analysis were carried out and revealed lipopeptides belonging to the syringafactin family. The activity of the produced biosurfactants was stable over a pH range of 6–12, at high salinity (10%) and after heating at 80 °C. Tests in contaminated sand micro-bioreactors showed that the three strains were able to degrade diesel. These results suggest the potential of these syringafactin producing strains for application in hydrocarbon bioremediation. © 2018, Springer Nature B.V.
Disciplines :
Microbiology
Author, co-author :
Zouari, O.;  Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d’Opale, EA 7394 - ICV - Institut Charles Viollette, Lille, 59000, France, Unit of Enzyme and Bioconversion, National School of Engineers, Soukraroad, Sfax, 3038, Tunisia
Lecouturier, D.;  Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d’Opale, EA 7394 - ICV - Institut Charles Viollette, Lille, 59000, France, Institut Charles Viollette, Université de Lille, PolytechLille, Avenue Paul Langevin, Villeneuve d’Ascq Cedex, 59655, France
Rochex, A.;  Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d’Opale, EA 7394 - ICV - Institut Charles Viollette, Lille, 59000, France
Chataigne, G.;  Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d’Opale, EA 7394 - ICV - Institut Charles Viollette, Lille, 59000, France
Dhulster, P.;  Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d’Opale, EA 7394 - ICV - Institut Charles Viollette, Lille, 59000, France
Jacques, Philippe ;  Université de Liège - ULiège > Département GxABT > Microbial, food and biobased technologies
Ghribi, D.;  Unit of Enzyme and Bioconversion, National School of Engineers, Soukraroad, Sfax, 3038, Tunisia
Language :
English
Title :
Bio-emulsifying and biodegradation activities of syringafactin producing Pseudomonas spp. strains isolated from oil contaminated soils
Publication date :
2019
Journal title :
Biodegradation
ISSN :
0923-9820
eISSN :
1572-9729
Publisher :
Springer Netherlands
Volume :
30
Issue :
4
Pages :
259-272
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
SMARTBIOCONTROLPOR TFOLIO-Interreg FWVLBIOPROD program; FEDER program ALIBIOTECH
Funders :
MHESR - Ministère de l'Enseignement Supérieur et de la Recherche Scientifique
Région Hauts-de-France
EU - European Union
ERDF - European Regional Development Fund
Available on ORBi :
since 12 July 2020

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