Abstract

Growth of Pseudomonas aeruginosa strain 44T1 on glucose, an n-alkane mixture or olive oil was characterized by the formation of intracellular lipid inclusions and extracellular accumulation of rhamnolipids. Maximum values of cellular lipid accumulation were obtained in olive-oil-grown cells and reached up to 38% w/w of its dry biomass. The principal fatty acids of cellular lipids drived from P. aeruginosa cultures varied with the carbon source employed. The major fatty acids detected were palmitic and trans-oleic acids. Arachidonic acid was only found in medium containing glucose or the n-alkane mixture.

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