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  • Title: Polyamine distribution profiles in newly validated genera and species within the Flavobacterium-Flexibacter-Cytophaga-Sphingobacterium complex.
    Author: Hamana K, Nakagawa Y.
    Journal: Microbios; 2001; 106 Suppl 2():105-16. PubMed ID: 11548199.
    Abstract:
    Cellular polyamines of 58 strains belonging to the Flavobacterium-Flexibacter-Cytophaga-Sphingobacterium complex were analysed by HPLC. Homospermidine was found in all species of Flavobacterium, Chryseobacterium, Empedobacter, Myroides, Cellulophaga, Salegentibacter, Psychroserpens and Gelidibacter of the family Flavobacteriaceae. Flavobacterium ferrugineum located outside of this family also contained homospermidine. Cytophaga fermentans and C. xylanolytica belonging to the family Bacteroidaceae contained spermidine. Cytophaga marinoflava and C. latercula belonging to Flavobacteriaceae contained homospermidine. The Cytophaga hutchinsonii/C. aurantiaca group contained homospermidine which was the major polyamine in Flexibacter maritimus/ F. ovolyticus of the family Flavobacteriaceae. The Flexibacter sancti/F filiformis/ Cytophaga arvensicola group, F. elegans, F. ruber, F. canadensis, F. flexilis and F. tractuosus, were located separately in different six clusters, and contained homospermidine. The Flexibacter litoralis/F. polymorphus/F. aggregans group contained spermidine, which was detected in Flexibacter roseolus belonging to a divergent cluster. Sphingobacterium and Pedobacter species of the family Sphingobacteriaceae contained homospermidine. Polyamine profiles serve, as a phenotypic chemotaxonomic marker, for the classification of this complex.
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