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J Bacteriol. 1968 July; 96(1): 1-5
Copyright © 1968 American Society for Microbiology. All Rights Reserved.

Fatty Acid Composition of Neisseria Species as Determined by Gas Chromatography

Bureau of Disease Prevention and Environmental Control, National Communicable Disease Center, Public Health Service, Atlanta, Georgia 30333

ABSTRACT

Duplicate cultures of 53 strains representing 9 species of Neisseria were analyzed by gas-liquid chromatography for cellular fatty acids. N. sicca, N. mucosa, N. flava, N. flavescens, N. perflava, N. subflava, and the several serotypes of N. meningitidis examined were found to comprise a fairly homogeneous group on the basis of the percentages of individual fatty acids present. Lactose-fermenting Neisseria also were in this group. N. catarrhalis, however, contained decanoic acid in addition to the acids occurring in the other species. Moreover, the 18 C-saturated and monoenoic acids together constituted 36% of the total fatty acid composition for N. catarrhalis, while the comparable mean value for the other species was less than 13%.

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