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Microbios. 2001;106(413):7-17.

Polyamine distribution profiles in the eighteen genera phylogenetically located within the Flavobacterium-Flexibacter-Cytophaga complex.

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School of Health Sciences, Faculty of Medicine, Gunma University, Maebashi, Japan.


Cellular polyamines of eighteen genera belonging to the Flavobacterium-Flexibacter-Cytophaga complex were analysed by ion exchange liquid chromatography. Homospermidine was the major polyamine in the genera Bergeyella, Riemerella, Ornithobacterium, Weeksella, Capnocytophaga, Polaribacter and Psychroflexus belonging to the family Flavobacteriaceae. In the family Spirosomaceae, Runella, Spirosoma and Flectobacillus species contained spermidine whereas Cyclobacterium species contained homospermidine. Within a divergent cluster, Haliscomenobacter and Lewinella species contained spermidine whereas Saprospira grandis contained agmatine alone. The major polyamine of Chitinophaga and Sporocytophaga species was homospermidine. Flexithrix dorotheae contained spermidine. Microscilla marina, the type species of the genus Microscilla, contained spermidine and cadaverine. However, 'Microscilla sericea' contained homospermidine, 'Microscilla furvescens' contained spermidine, and 'Microscilla arenaria' lacked all polyamines. Polyamine profiles serve as a phenotypic chemotaxonomic marker for the reclassification of the genera belonging to the complex.

[Indexed for MEDLINE]

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