Affiliation:
1. Department of Microbiology, University of Minnesota, Minneapolis, Minnesota 55455
Abstract
Fatty acids were extracted from saponified vegetative cells and myxospores of
Myxococcus xanthus
and examined as the methyl esters by gas-liquid chromatography. The acids consisted mainly of C
14
to C
17
species. Branched acids predominated, and
iso
-pentadecanoic acid constituted half or more of the mixture. The other leading component (11–28%) was found to be 11-
n
-hexadecenoic acid. Among the unsaturated acids were two diunsaturated ones, an
n
-hexadecadienoic acid and an
iso
-heptadecadienoic acid. No significant differences between the fatty acid compositions of the vegetative cells and myxospores could be detected. The fatty acid composition of
M. xanthus
was found to be markedly similar to that of
Stigmatella aurantiaca
. It is suggested that a fatty acid pattern consisting of a large proportion of
iso
-branched C
15
and C
17
acids and a substantial amount of an
n
-16:1 acid is characteristic of myxobacteria.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Cited by
52 articles.
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