alexa Deciphering the metabolic capabilities of a lipase producing Pseudomonas aeruginosa SL-72 strain.
Biochemistry

Biochemistry

Biochemistry & Analytical Biochemistry

Author(s): Verma S, Prasanna R, Saxena J, Sharma V, Nain L

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Abstract Pseudomonads have been reported for their metabolic, nutritional and ecological versatility, which motivated us to prospect the metabolic profile of a lipolytic strain Pseudomonas aeruginosa SL-72. The strain SL-72 was found to produce high levels of lipase and pectinase (1,555.62 IU/mL and 1,490.33 IU/mL, respectively), esterase and amylase, besides low levels of xylanase, proteinase and cellulase. The strain also tested positive for different plant growth-promoting traits-production of ammonia, hydrogen cyanide, siderophores, phosphate solubilization, nitrate reduction and antifungal activity. The high levels of activity of aryl sulphatase, alkaline phosphatase and fluorescein diacetate hydrolase makes it a useful strain for enhanced nutrient cycling in soil. The strain SL-72 produced rhamnolipids, a biosurfactant and its production was enhanced when starch was used as carbon source (0.256 g/L) and utilized polycyclic hydrocarbon compounds viz. anthracene, phenanthrene, pyrene, fluorene and its mixture. The multifaceted nature of the culture illustrates its promise in bioremediation, industry, besides its use as an inoculant. This article was published in Folia Microbiol (Praha) and referenced in Biochemistry & Analytical Biochemistry

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