Production of bioemulsifier by Bacillus subtilis, Alcaligenes faecalis and Enterobacter species in liquid culture

Toledo, F.L.; González‐López, Jesús; Calvo, C.

doi:10.1016/j.biortech.2007.08.055

Cited by 60 publications

(34 citation statements)

References 22 publications

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“…Bioemulsifiers from bacterias were able to emulsify n-octane, toluene, xylene, mineral oil and crude oil and they looked promising for remediation application (Toledo et al, 2008). Urum and Pekdemir (2004) evaluated the ability of aqueous biosurfactant solutions for possible applications in washing crude oil contaminated soil.…”

Section: Desorption Of Hydrophobic Organic Compounds By Biosurfactantsmentioning

confidence: 99%

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Biosurfactants are useful tools for the bioremediation of contaminated soil: a review

Bustamante

Duran

Díez

2012

J. Soil Sci. Plant Nutr.

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Bioremediation processes are negatively affected by the low aqueous solubility of some contaminants; therefore their bioavailability may be enhanced by the addition of surfactants. These compounds are organic molecules that can be chemically and biologically produced. Surfactants contain both hydrophilic and hydrophobic groups, therefore reducing surface and interfacial tensions of immiscible fluids and increasing the solubility and sorption of hydrophobic organic and inorganic compounds. This article provides an overview of characteristics of natural and synthetic surfactants and the effects of biosurfactants on solubility, sorption and biodegradation of hydrophobic organic contaminants; as well as the effects of biosurfactants on degrader microorganisms as white-rot fungi. Finally, some examples of application of natural surfactants for bioremediation of contaminated soils are shown. In general, this overview indicates the great potential of biosurfactants on the remediation of contaminated sites.

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Section: Desorption Of Hydrophobic Organic Compounds By Biosurfactantsmentioning

confidence: 99%

“…Biosurfactants have also been found to be useful for oil spill remediation and for dispersing oil slicks into fine droplets and converting mousse oil into an oil-in-water emulsion (Toledo et al, 2008). Barkay et al (1999) incubation (Plaza et al, 2008).…”

Section: Remediation Applicationsmentioning

confidence: 99%

Biosurfactants are useful tools for the bioremediation of contaminated soil: a review

Bustamante

Duran

Díez

2012

J. Soil Sci. Plant Nutr.

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“…A summary of such ndings is shown in Table 1, along with their identied bioemulsier compositions. Bacterial trains belonging to genera including Acinetobacter, 12 Aeribacillus, 13 Alcaligenes, 14 Amycolatopsis, 15 Azotobacter, 16 Bacillus, 17 Beijerinckia, 18 Corynebacterium, 19 Enterobacter, 20 Geobacillus, 13 Halomonas, 21 Klebsiella, 22 Myroides, 23 Pedobacter, 24 Propionibacterium, 25 Pseudomonas, 26 Solibacillus, 27 Streptomyces, 28 Variovorax, 29 have been reported to be bioemulsier producers (Table 1). To date, however, no strains belong to the genus of Exiguobacterium have been reported as bioemulsier producers.…”

Section: Introductionmentioning

confidence: 99%

A novel bioemulsifier produced by Exiguobacterium sp. strain N4-1P isolated from petroleum hydrocarbon contaminated coastal sediment

et al. 2017

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In this study, Exiguobacterium N4-1P is reported as a bioemulsifier producer for the first time. The strain was found to be closely related to E. oxidotolerans strain T-2-2 T , E. antarcticum B7 T , and E. antarcticum B7 T with similarities of 99.47, 98.70 and 98.63%, respectively. Its phenotypic properties such as metabolic fingerprints, membrane composition, and cell morphology were determined. Different carbon sources were used for bioemulsifier production and diesel was confirmed to stimulate the yield effectively. The produced bioemulsifier is a complex mainly composed of lipopeptides with C16:0 (32.18%) and C18:0 (40.99%) as the primary fatty acids. The produced bioemulsifier could form emulsions effectively with diverse hydrocarbons. No foams were formed during the production and applications, which would facilitate its commercialization. The bioemulsifier was stable over a wide range of salinity (0-25%), pH (2-12), and temperature (below 50 C). Exiguobacterium N4-1P and the produced bioemulsifier fills knowledge gaps and has promising application potential in diverse fields, especially in environmental engineering.

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“…The emulsifying potential of surface active compounds from different yeasts showing no reduction in surface tension, has been evaluated using the emulsification index test (Amaral et al, 2006;Monteiro et al, 2010). Toledo et al (2008) reported the growth and production of exopolymers by three bacteria, Bacillus subtilis 28, Alcaligenes faecalis 212, and Enterobacter sp. 214 on glucose media amended with different hydrocarbons.…”

Section: The Physiological Roles Of Biosurfactants and Bioemulsifers mentioning

confidence: 99%

Microbiotechnology Based Surfactants and Their Applications

Rahman¹

2016

Frontiers Research Topics

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PublisherFrontiers in Microbiology About FrontiersFrontiers is more than just an open-access publisher of scholarly articles: it is a pioneering approach to the world of academia, radically improving the way scholarly research is managed. The grand vision of Frontiers is a world where all people have an equal opportunity to seek, share and generate knowledge. Frontiers provides immediate and permanent online open access to all its publications, but this alone is not enough to realize our grand goals. Frontiers Journal SeriesThe Frontiers Journal Series is a multi-tier and interdisciplinary set of open-access, online journals, promising a paradigm shift from the current review, selection and dissemination processes in academic publishing. All Frontiers journals are driven by researchers for researchers; therefore, they constitute a service to the scholarly community. At the same time, the Frontiers Journal Series operates on a revolutionary invention, the tiered publishing system, initially addressing specific communities of scholars, and gradually climbing up to broader public understanding, thus serving the interests of the lay society, too. Dedication to QualityEach Frontiers article is a landmark of the highest quality, thanks to genuinely collaborative interactions between authors and review editors, who include some of the world's best academicians. Research must be certified by peers before entering a stream of knowledge that may eventually reach the public -and shape society; therefore, Frontiers only applies the most rigorous and unbiased reviews. Frontiers revolutionizes research publishing by freely delivering the most outstanding research, evaluated with no bias from both the academic and social point of view. By applying the most advanced information technologies, Frontiers is catapulting scholarly publishing into a new generation. What are Frontiers Research Topics?Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: researchtopics@frontiersin.org 2 February 2016 | Microbiotechnology Based Surfactants and Their Applications Frontiers in MicrobiologyBiosurfactants are structurally diverse group of bioactive molecules produced by a variety of microorganisms. They are secondary metabolites that accumulate at interfaces, reduce surface tension and form micellar aggregates. This research topic describes few novel microbial strains with a focus on increasing our understanding of genetics, physiology, regulation of biosurfactant production and their commercial potentials. A major stumbling block in the commercialization of b...

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Production of bioemulsifier by Bacillus subtilis, Alcaligenes faecalis and Enterobacter species in liquid culture

Cited by 60 publications

References 22 publications

Biosurfactants are useful tools for the bioremediation of contaminated soil: a review

Biosurfactants are useful tools for the bioremediation of contaminated soil: a review

A novel bioemulsifier produced by Exiguobacterium sp. strain N4-1P isolated from petroleum hydrocarbon contaminated coastal sediment

Microbiotechnology Based Surfactants and Their Applications

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