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  • Title: Isoprenoid quinone content and cellular fatty acid composition of Campylobacter species.
    Author: Moss CW, Kai A, Lambert MA, Patton C.
    Journal: J Clin Microbiol; 1984 Jun; 19(6):772-6. PubMed ID: 6470096.
    Abstract:
    A total of 36 strains of Campylobacter species were examined for isoprenoid quinones and cellular fatty acids. The isoprenoid quinone content was determined by reverse-phase high-pressure liquid chromatography, and the fatty acids were determined by capillary gas-liquid chromatography. All Campylobacter species contained menaquinone-6 (2-methyl-3-farnesyl-farnesyl-1,4-naphthoquinone) and a methyl-substituted menaquinone-6 (2,[5 or 8]-dimethyl-3-farnesyl-farnesyl-1,4-napthoquinone) as the major isoprenoid quinones. The latter menaquinone has not been reported in other bacteria and may prove to be a useful chemical marker of Campylobacter species. Campylobacter jejuni and most Campylobacter coli were distinguished from other campylobacteria by the presence of a C19 cyclopropane acid, and Campylobacter sputorum subsp. mucosalis differed from other species by the presence of lauric acid.
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