Abstract

Summary: A survey of phenol-water extracts of 17 different Fusobacterium and Bacteroides species, including subspecies, and of Leptotrichia buccalis has been carried out using colorimetric and chromatographic techniques to demonstrate the presence of heptose and 2-keto-3-deoxy-octonate. Both sugars were found in the water phase of the extracts from Fusobacterium strains and Leptotrichia buccalis. Neither heptose nor 2-keto-3-deoxy-octonate were detected in the water or the phenol phase of extracts from strains classified as Bacteroides.

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