Naphthalene and crude oil degradation by biosurfactant producing Streptomyces spp. isolated from Mitidja plain soil (North of Algeria)

Ferradji, Fatma Zohra; Mnif, Sami; Badis, Abdelmalek; Rebbani, Soumia; Fodil, Djamila; Eddouaouda, Kamel; Sayadi, Sami

doi:10.1016/j.ibiod.2013.10.003

Cited by 98 publications

(38 citation statements)

References 32 publications

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“…Due to its eco-friendly and cost effective nature it is preferred over physico-chemical methods such as pyrolysis and incineration etc. (Bao et al, 2012;Ferradji et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Synergistic ex-situ biodegradation of crude oil by halotolerant bacterial consortium of indigenous strains isolated from on shore sites of Gujarat, India

Varjani

Rana

Jain

et al. 2015

International Biodeterioration & Biodegradation

227

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“…Due to its eco-friendly and cost effective nature it is preferred over physico-chemical methods such as pyrolysis and incineration etc. (Bao et al, 2012;Ferradji et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Synergistic ex-situ biodegradation of crude oil by halotolerant bacterial consortium of indigenous strains isolated from on shore sites of Gujarat, India

Varjani

Rana

Jain

et al. 2015

International Biodeterioration & Biodegradation

227

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“…Li and Chen [39] have shown that chemical surfactants (Triton X-100, Tween 20 and Tween 80) and a nonionic biosurfactant (Tergitol) solubilized phenanthrene, also Ferradji et al [40] proved the solubilisation of phenanthrene by biosurfactant.…”

Section: Biosurfactant Isolation Characterization and Applicationmentioning

confidence: 95%

Production and characterization of biosurfactant by free and immobilized cells fromOchrobactrum intermediumisolated from the soil of southern Algeria with a view to environmental application

Ferhat¹,

Alouaoui

Badis

et al. 2017

Biotechnology & Biotechnological Equipment

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In this paper, biosurfactant production by free and immobilized cells of Ochrobactrum intermedium has been studied. This bacterium strain was isolated from an Algerian crude oil-contaminated soil; hexadecane was used for the production as the sole carbon and energy source. The process was monitored by measuring the surface tension and emulsification index E24 for one week at 37 C and neutral pH. For the production by immobilized cells, the concentrations of sodium alginate, calcium chloride and biomass were optimized. Results showed that O. intermedium entrapped in calcium alginate beads is able to preserve its viability and produce biosurfactants but with an effect on the production kinetics due to diffusional limitations of the alginate beads with greater stability with up to 75%. The product biosurfactant reduced the surface tension below 33 and emulsification index were 68%-93% after 48 and 72 h with free and immobilized cells, respectively. Also, the product belongs to the family of glycolipids and showed stability in a wide range of pH (2-12), temperature (25-120 C), and to high salinity. Both products by strain O. intermedium, based on spectral features, have a chemical structure identical to that of glycolipids. The production yield of biosurfactant versus concentration of the hexadecane is 1292 g/g. Second, the surfactants are able to promote the solubility of polycyclic aromatic hydrocarbons (PAHs). Results show that the use of biosurfactant, produced by the isolated bacterial strain O. intermedium, obtained a better solubility of naphthalene and phenanthrene.

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“…From gas chromatography-mass spectrometer (GC-MS) analysis and column chromatography of crude oil [15], oil was composed mainly of low-carbon aromatics and high-carbon alkane, whose formula was possibly C m H 2m-6 and C n H 2n + 6 , respectively (m and n were generally large), which were also the components of petroleum easily utilized by microbes. Based on this, the biochemical reactions of residual oil in soil can be expressed by Equation (2): (2) …according to which the ratio of carbon to hydrogen from the petroleum in soil was m/(2m -6) or n/(2n + 6).…”

Section: Content and Components Of Crudementioning

confidence: 99%

Removal Efficiency and the Mineralization Mechanism During Enhanced Bioventing Remediation of Oil-Contaminated Soils

Jia¹,

Zhao²,

Hu³

et al. 2016

Pol. J. Environ. Stud.

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Naphthalene and crude oil degradation by biosurfactant producing Streptomyces spp. isolated from Mitidja plain soil (North of Algeria)

Cited by 98 publications

References 32 publications

Synergistic ex-situ biodegradation of crude oil by halotolerant bacterial consortium of indigenous strains isolated from on shore sites of Gujarat, India

Synergistic ex-situ biodegradation of crude oil by halotolerant bacterial consortium of indigenous strains isolated from on shore sites of Gujarat, India

Production and characterization of biosurfactant by free and immobilized cells fromOchrobactrum intermediumisolated from the soil of southern Algeria with a view to environmental application

Removal Efficiency and the Mineralization Mechanism During Enhanced Bioventing Remediation of Oil-Contaminated Soils

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