ArticleExtremophiles : life under extreme conditions2013
Evidence for surfactant production by the haloarchaeon Haloferax sp. MSNC14 in hydrocarbon-containing media.
Article in Extremophiles : life under extreme conditions, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 24 citations in OpenAlex.
- Bacterial-derived surfactants: an update on general aspects and forthcoming applications.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2023Review
- Prospects in the bioremediation of petroleum hydrocarbon contaminants from hypersaline environments: A review.Environmental science and pollution research international · 2022Review
- Extreme environments: a source of biosurfactants for biotechnological applications.Extremophiles : life under extreme conditions · 2020Review
- Diversity and Niche of Archaea in Bioremediation.Archaea (Vancouver, B.C.) · 2018Review
- Oil removal and effects of spilled oil on active microbial communities in close to salt-saturation brines.Extremophiles : life under extreme conditions · 2016Article
- Exploring the multiple biotechnological potential of halophilic microorganisms isolated from two Argentinean salterns.Extremophiles : life under extreme conditions · 2015Article
- Isolation of an extremely halophilic arhaeon Natrialba sp. C21 able to degrade aromatic compounds and to produce stable biosurfactant at high salinity.Extremophiles : life under extreme conditions · 2015Article
- Environmental microbiology as a mosaic of explored ecosystems and issues.Environmental science and pollution research international · 2015Review
- Halophiles and their enzymes: negativity put to good use.Current opinion in microbiology · 2015Review
- The biosurfactant viscosin transiently stimulates n-hexadecane mineralization by a bacterial consortium.Applied microbiology and biotechnology · 2015Article
- Biodegradation of organic pollutants in saline wastewater by halophilic microorganisms: a review.Environmental science and pollution research international · 2014Review
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The potential for surfactant production by the extreme halophilic archaeon Haloferax sp. MSNC14 in the presence of individual hydrocarbon substrates was studied. This strain was selected for its ability to grow on different types of hydrocarbons at high NaCl concentrations. Linear (n-heptadecane or C17) and isoprenoid (pristane) alkanes, a polyaromatic hydrocarbon (phenanthrene) and ammonium acetate (highly water-soluble control compound) were used as growth substrates. The adherence potential was demonstrated by the ability of the cells to adhere to liquid or solid hydrocarbons. The biosurfactant production was indicated by the reduction of the surface tension (ST) and by the emulsification activity (EA) of cell-free supernatants. Growth on acetate was accompanied by a low EA (lower than 0.1) and a high ST (~70 mN/m), whereas an important EA (up to 0.68 ± 0.08) and a reduction of ST (down to 32 ± 2.3 mN/m) were observed during growth on the different hydrocarbons. Both ST and EA varied with the growth phase. The adhesion to hydrocarbons was higher when cells were grown on C17 (by 60-70 %) and pristane (by 30-50 %) than on phenanthrene (~25 %). The results demonstrated that strain MNSC14 was able to increase the bioavailability of insoluble hydrocarbons, thus facilitating their uptake and their biodegradation even at high salt concentration.
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