The cellular fatty acids of three strains of Desulfobulbus, a propionate-utilising sulphate-reducing bacterium

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Abstract

Abstract The bacterial fatty acids of three strains of Desulfobulbus grown on propionate were analysed. The fatty acid profiles of all three strains were very similar, being dominated by C17: 1Δ11, which represented approx. 50% of the total fatty acids, and with major contributions from C15:0, C16:0, C15:1, C18:1Δ11 and C14:0. This data indicates that all three strains are closely related despite their different habitats (1 marine and 2 freshwater) and that C17:1Δ11 is a biomarker for Desulfobulbus.

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