Affiliation:
1. Department of Chemistry, University of Houston, Houston, Texas 77004
2. Department of Biology, University of Houston, Houston, Texas 77004
Abstract
The composition and nature of the fatty acids and hydrocarbons of
Sarcina lutea
were elucidated by gas chromatography and by combined gas chromatography-mass spectrometry. The distribution of fatty acids found in
S. lutea
showed two families of pairs, or dyads, of saturated monocarboxylic acids (C12–C18) with and without methyl branching. These pairs of fatty acids showed a pattern of iso and anteiso structures for C13, C15, and C17, and iso and normal structures for C12, C14, and C16. Only the C18 showed unsaturation. The distribution of hydrocarbons in the range C22–C29 showed two families of tetrads of unsaturated aliphatic hydrocarbons all showing methyl branching. Each tetrad was composed of four isomers identified as two iso olefins and two anteiso olefins. The only difference between the tetrads pertaining to different families was found in the relative gas chromatographic retention times of the last two components of each group.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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