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First report of the production of a potent biosurfactant with α,β-trehalose by Fusarium fujikuroi under optimized conditions of submerged fermentation

Reis, Cristiane Bianchi Loureiro dos ; Morandini, Liziane Maria Barassuol ; Bevilacqua, Caroline Borges ; Bublitz, Fabricio ; Ugalde, Gustavo ; Mazutti, Marcio Antonio ; Jacques, Rodrigo Josemar Seminoti

Brazilian journal of microbiology, 2018-11, Vol.49 (S1), p.185-192 [Periódico revisado por pares]

Brazil: Elsevier Editora Ltda

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Título:
First report of the production of a potent biosurfactant with α,β-trehalose by Fusarium fujikuroi under optimized conditions of submerged fermentation
Autor: Reis, Cristiane Bianchi Loureiro dos ; Morandini, Liziane Maria Barassuol ; Bevilacqua, Caroline Borges ; Bublitz, Fabricio ; Ugalde, Gustavo ; Mazutti, Marcio Antonio ; Jacques, Rodrigo Josemar Seminoti
Assuntos: Agitation ; Biosurfactants ; Biosynthesis ; Culture Media - metabolism ; Fermentation ; Fungi ; Fusarium ; Fusarium - chemistry ; Fusarium - growth & development ; Fusarium - metabolism ; Fusarium fujikuroi ; Giberella fujikuroi ; Growth conditions ; Hydrogen-Ion Concentration ; Industrial Microbiology - methods ; Inoculum ; MICROBIOLOGY ; Microorganisms ; Molecular structure ; NMR ; NMR spectroscopy ; Nuclear magnetic resonance ; Optimization ; Organic chemistry ; pH effects ; Pollutants ; Production costs ; Research Paper ; Sediment pollution ; Soil contamination ; Soil pollution ; Spectrometry ; Surface tension ; Surface-Active Agents - chemistry ; Surface-Active Agents - metabolism ; Surfactants ; Temperature ; Trehalolipids ; Trehalose ; Trehalose - metabolism ; α,β-Trehalose
É parte de: Brazilian journal of microbiology, 2018-11, Vol.49 (S1), p.185-192
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Biosurfactants have many advantages over synthetic surfactants but have higher production costs. Identifying microorganisms with high production capacities for these molecules and optimizing their growth conditions can reduce cost. The present work aimed to isolate and identify a fungus with high biosurfactant production capacity, optimize its growth conditions in a low cost culture medium, and characterize the chemical structure of the biosurfactant molecule. The fungal strain UFSM-BAS-01 was isolated from soil contaminated with hydrocarbons and identified as Fusarium fujikuroi. To optimize biosurfactant production, a Plackett–Burman design and a central composite rotational design were used. The variables evaluated were pH, incubation period, temperature, agitation and amount of inoculum in a liquid medium containing glucose. The partial structure of the biosurfactant molecule was identified by nuclear magnetic resonance spectrometry. F. fujikuroi reduced surface tension from 72 to 20mNm−1 under the optimized conditions of pH 5.0, 37°C and 7 days of incubation with 190rpm agitation. The partial identification of the structure of the biosurfactant demonstrated the presence of an α,β-trehalose. The present study is the first report of the biosynthesis of this compound by F. fujikuroi, suggesting that the biosurfactant produced belongs to the class of trehalolipids.
Editor: Brazil: Elsevier Editora Ltda
Idioma: Inglês;Português

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First report of the production of a potent biosurfactant with α,β-trehalose by Fusarium fujikuroi under optimized conditions of submerged fermentation

Reis, Cristiane Bianchi Loureiro dos ; Morandini, Liziane Maria Barassuol ; Bevilacqua, Caroline Borges ; Bublitz, Fabricio ; Ugalde, Gustavo ; Mazutti, Marcio Antonio ; Jacques, Rodrigo Josemar Seminoti

Brazil: Elsevier Editora Ltda

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