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Fatty Acid and Aliphatic Hydrocarbon Composition of Sarcina lutea Grown in Three Different Media

Department of Biology, University of Houston, Houston, Texas 77004
Department of Chemistry, University of Houston, Houston, Texas 77004

ABSTRACT

Sarcina lutea was grown in Trypticase Soy Broth, Nutrient Broth, and a chemically defined medium. Gas chromatographic analysis of lipid components demonstrated that the composition of the medium had an effect on the relative per cent composition of the aliphatic hydrocarbons and fatty acids present in the cells. The branched olefinic hydrocarbons from the organisms grown in Trypticase Soy Broth showed no predominance or only a slight predominance of odd-numbered carbon chains, whereas the hydrocarbons from cells grown in the other two media showed an obvious predominance of odd-numbered carbon chains. The monocarboxylic fatty acid content and distribution showed only minor differences, with all normal saturated fatty acids present in relatively small quantities for cells grown in Nutrient Broth and in a chemically defined medium.

¹ Present address: Division of Biosciences, National Research Council, Ottawa, Canada.