Physiochemical and thermodynamic characterization of lipopeptide biosurfactant secreted by <i>Bacillus tequilensis</i> HK01

Anvari, Sanam; Hajfarajollah, Hamidreza; Mokhtarani, Babak; Noghabi, Kambiz Akbari

doi:10.1039/c5ra17275f

Cited by 16 publications

(12 citation statements)

References 39 publications

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“…The produced BS was found to be of the rhamnolipid type aer structure analysis by TLC, FTIR and NMR analysis. It showed signicant stability under extreme conditions of temperature (40-121 C), pH (3)(4)(5)(6)(7)(8)(9)(10) and salinity up to 10% (w/v), which is very important in enhanced oil recovery applications. Its surface activity was determined by measurement of surface tension, CMC and the emulsication index (E24).…”

Section: Resultsmentioning

confidence: 99%

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Physicochemical characterization and optimization of glycolipid biosurfactant production by a native strain ofPseudomonas aeruginosaHAK01 and its performance evaluation for the MEOR process

et al. 2019

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Section: Resultsmentioning

confidence: 99%

“…They can be used in the food, agricultural, pharmaceutical, oil and petrochemical industries. [2][3][4] Rhamnolipids, a class of glycolipid-containing BS, are mainly produced by Pseudomonas aeruginosa. Their structure is a combination of a polar head group and a hydrophobic tail.…”

Section: Introductionmentioning

confidence: 99%

Physicochemical characterization and optimization of glycolipid biosurfactant production by a native strain ofPseudomonas aeruginosaHAK01 and its performance evaluation for the MEOR process

et al. 2019

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“…Surfactants, or surface active agents, are amphiphilic molecules with wide range of applications in food, pharmaceutical, agriculture, and detergent industries . They can be classified in different ways.…”

Section: Introductionmentioning

confidence: 99%

Biosurfactants from probiotic bacteria: A review

Hajfarajollah

Eslami

Mokhtarani

et al. 2018

Biotech and App Biochem

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Among microorganisms, bacteria are the main group of biosurfactant-producing organisms. Different types of bacteria including Pseudomonas sp., Acinetobacter sp., Bacillus sp., and Arthrobacter sp. are among the most commonly studied bacteria in the realm of scientific research. However, due to the pathogenic nature of the producing organisms, the application of these compounds is restricted, therefore, not suitable for use in food-related industries. Given that probiotic bacteria impact human health, applying probiotics as nonpathogenic and safe organisms have gained much attention for the production of biosurfactants in recent years. Most biosurfactants obtained from probiotic bacteria are related to a number of lactic acid bacteria (LAB). These types of biosurfactants are classified based on their structures as protein-carbohydrate complexes, lipids, or fatty acids. The present paper seeks to provide comprehensive and useful information about the production of various kinds of biosurfactants by different probiotic bacteria. In addition, we have extensively reviewed their potential for possible future applications.

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“…Where Y is the response in terms of protein assayed as per the method suggested by Lowery et al (1951), βi are regression coe cients, is the level of the independent variable. The experiments were conducted three times and results were noted in mean ± standard deviation (Mnif et al 2012;Anvari et al 2015;Ekpenyong et al 2017).…”

Section: Plackett-burman Designmentioning

confidence: 99%

“Screening and Optimization of Agro-industrial wastes for glycoprotein biosurfactant production from Sphingobacterium thalpophilum DP9”

Solanki¹,

Patel²,

Ingale³

et al. 2020

Preprint

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Background Commercialization of biosurfactant production is a big challenge due to high production cost. Biosurfactant production can be made economic by using low cost agro-industrial wastes or byproducts as media supplement. It also solves the problem of environmental pollution through waste management. In the present study attempt was made to produce biosurfactant from Sphingobacterium thalpophilum DP9 using various agro-industrial wastes or byproducts at optimum fermentation conditions evaluated by traditional and statistical methods. Partial characterization of biosurfactant was also carried out through qualitative chromatographic techniques; quantitative spectroscopic method and functional group identification by Fourier transform infrared spectroscopy. Results One factor at a time optimization experimentation showed highest emulsification in media supplemented with potato peel powder (43.12 ± 3.41%), urea (46.00 ± 3.09%), pH 7 (41.74 ± 1.15%) at 40% aeration (47.41 ± 1.62%). 1% Inoculum (O.D.600=1.00) size favored highest emulsification (26.39 ± 1.60%). Plackett-Burman design experimentation showed carbon source (potato peel powder), nitrogen source (urea) and temperature significantly affect on biosurfactant production. Response surface experimentation by central composite design showed interaction between nitrogen source and temperature significantly influenced on biosurfactant production. Validation of model was showed increase in emulsification from 43.62 ± 2.55% to 86.11 ± 3.47% on fourth day of incubation. Partial characterization showed biosurfactant contains 439.58 ± 0.0129 µg/ml carbohydrate and 507.41 ± 0.0064 µg/ml of protein. Lipid was absent in it. Fourier transform infrared spectroscopy chromatogram showed peaks at 1652.17 cm− 1, 1541.01 cm− 1, 1463.71 cm− 1 and 722.32 cm− 1 which indicated presence of peptide bond, peptide moiety, carbohydrate protons and primary as well as secondary amines. Conclusion Potato peel powder, urea and temperature have significant influence on biosurfactant production from Sphingobacterium thalpophilum DP9. When potato peel powder and urea supplied at optimum level, biosurfactant production was increased by two fold. Biosurfactant produced by S. thalpophilum DP9 was belongs to glycoprotein class and as per our best knowledge, this is the first report on glycoprotein biosurfactant produced from Sphingobacterium genus.

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Physiochemical and thermodynamic characterization of lipopeptide biosurfactant secreted by Bacillus tequilensis HK01

Abstract: An extensive investigation was applied to isolate biosurfactant producing bacteria from urban waste.

Cited by 16 publications

References 39 publications

Physicochemical characterization and optimization of glycolipid biosurfactant production by a native strain ofPseudomonas aeruginosaHAK01 and its performance evaluation for the MEOR process

Physicochemical characterization and optimization of glycolipid biosurfactant production by a native strain ofPseudomonas aeruginosaHAK01 and its performance evaluation for the MEOR process

Biosurfactants from probiotic bacteria: A review

“Screening and Optimization of Agro-industrial wastes for glycoprotein biosurfactant production from Sphingobacterium thalpophilum DP9”

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