Rhamnolipid biosurfactants produced mainly by Pseudomonas sp. had been reported to possess a wide range of potential industrial application. These biosurfactants are produced as monorhamnolipid (MRL) and di-rhamnolipid (DRL) congeners. The present study deals with rhamnolipid biosurfactants produced by three bacterial isolates from crude oil. Biosurfactants produced by one of the strains (named...

Palm fatty acid distillate (PFAD) and methyl ester (FAME) are used by P. aeruginosa PAO1 to produce rhamnolipid biosurfactant. The process of fermentation producing biosurfactant was structured in a 2 L bioreactor using 2% PFAD FAME as carbon sources minimal medium with nitrogen concentration 1 g L?1. Mass spectrometry results show the crude produced predominantly monorhamnolipid (Rha-C10-C10) ...

The current study evaluated hydrocarbon-degrading and biosurfactant-producing potentials of bacteria isolated from hydrocarbon contaminated soil in Nigeria, the largest crude oil reservoir Africa. Pure bacterial isolates were grown on nutrient Bushnell Haas agar. Bacterial that grew both media molecularly identified via 16S rDNA sequence. Biosurfactant production detection was carried out sprea...

The opportunistic pathogen Pseudomonas aeruginosa can cause severe infections in patients suffering from disruption or disorder of the skin barrier as in burns, chronic wounds, and after surgery. On healthy skin P. aeruginosa causes rarely infections. To gain insight into the interaction of the ubiquitous bacterium P. aeruginosa and healthy human skin, the induction of the antimicrobial protein...

Pseudomonas aeruginosa is capable of twitching, swimming, and swarming motility. The latter form of translocation occurs on semisolid surfaces, requires functional flagella and biosurfactant production, and results in complex motility patterns. From the point of inoculation, bacteria migrate as defined groups, referred to as tendrils, moving in a coordinated manner capable of sensing and respon...

in this study 152 bacterial strains were isolated from the contaminated oils in the southwest of iran. hemolysis was used as a criterion for the primary  isolation of biosurfactant producing-bacteria. fifty five strains had haemolytic activity , among them tweleve strains were good biosurfactant producers by measuring surface tension and emulsification activity.two microorganism showed the high...