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  • Title: Multivariate analyses of fatty acid data from whole-cell methanolysates of Prevotella, Bacteroides and Porphyromonas spp.
    Author: Brondz I, Olsen I, Haapasalo M, Van Winkelhoff AJ.
    Journal: J Gen Microbiol; 1991 Jun; 137(6):1445-52. PubMed ID: 1919518.
    Abstract:
    The genus Bacteroides contains a number of biochemically and physiologically heterogeneous groups of organisms and needs taxonomic revision. In this study cellular fatty acids from a number of Bacteroides spp. were identified and quantified using gas chromatography and gas chromatography-mass spectrometry. The chemical data were then subjected to principal components analysis. In B. fragilis, which is the type species of the genus Bacteroides, C3-OH-iso17 was the predominant fatty acid (38.0%) and Cante15 was present in higher amounts (32.7%) than Ciso15 (14.6%). B. fragilis thus differed from all the other species examined: Prevotella (Bacteroides) buccae, P. (B.) oralis, P. (B.) oris, P. (B.) disiens, P. (B.) veroralis, P. (B.) heparinolytica and Porphyromonas (Bacteroides) endodontalis. Principal components analysis also enabled the closely related P. buccae, P. oralis and P. oris to be differentiated.
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